Novel rotary vibration anti-falling mechanism

Abstract

The utility model discloses a novel rotary vibration anti-drop mechanism, which comprises a rotary shaft sleeve, a spring and a sliding pressing plate, the bottom of the rotary shaft sleeve is fixedly sleeved with a fixed mounting main part, the side surface of the fixed mounting main part is respectively provided with a stud sliding hole and a block sliding cavity which are communicated, and an adjusting clamping block is inserted in the block sliding cavity in a sliding manner; a screw hole is formed in the adjusting clamping block in the direction perpendicular to the axis of the rotating shaft sleeve, the adjusting stud penetrates into the block sliding cavity through the stud sliding hole and is connected into the screw hole in a threaded penetrating mode, a cavity leakage arc opening communicated with the inner shaft wall of the rotating shaft sleeve is formed in the block sliding cavity, and the shaft wall of a rotating shaft in the rotating shaft sleeve extends into the block sliding cavity through the cavity leakage arc opening. The rear side face of the adjusting clamping block is provided with a contact clamping face used for making close contact with the shaft wall of the rotating shaft. The rotating shaft clamping device can clamp a rotating shaft in a surface contact mode, and is more stable.

Description

Technical Field

[0001] The utility model relates to the technical field of fastening devices, in particular to a novel rotating vibration anti-falling mechanism. Background Art

[0002] The rotational vibration anti-slip mechanism generally includes a sliding pressure plate, a spring, and a rotating shaft cylinder, wherein the rotating shaft sleeve is arranged in the rotating shaft cylinder, and the sliding pressure plate is axially slidably sleeved on the outer ring of the shaft cylinder through the spring, wherein the sliding pressure plate can slide axially, and the spring provides elastic support for the sliding pressure plate. The sliding pressure plate itself can also be selected, and the rotating shaft provides overall rotational motion transmission. General ordinary mechanisms only rely on a single point of a hand-tightened screw to support the rotating shaft for fixing. It is easy to fall off when rotating at high speed or the vibration is relatively large, which may easily cause accidents and affect product quality.

[0003] Based on this, the utility model designs a novel rotation vibration anti-falling mechanism to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a novel rotation vibration anti-falling mechanism to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A novel rotation vibration anti-falling mechanism comprises a rotating sleeve, a spring and a sliding pressure plate, wherein the outer ring of the rotating sleeve is provided with a spring, and the sliding pressure plate is mounted on the top of the rotating sleeve through a spring sliding sleeve and fixed by a retaining spring;

[0007] The bottom fixed sleeve of the rotating sleeve is provided with a fixed installation main part, and the sides of the fixed installation main part are respectively provided with connected stud sliding holes and block sliding cavities, and an adjusting clamping block is slidably inserted in the block sliding cavity, and the adjusting clamping block is provided with a screw hole in a direction perpendicular to the axial center line of the rotating sleeve, and the adjusting stud is inserted into the block sliding cavity through the stud sliding hole and threadedly connected in the screw hole, and the block sliding cavity is provided with a cavity leakage arc opening that is communicated with the inner shaft wall of the rotating sleeve, and the shaft wall of the rotating shaft in the rotating sleeve extends into the block sliding cavity through the cavity leakage arc opening, and the rear side surface of the adjusting clamping block is provided with a contact clamping surface for close contact with the shaft wall of the rotating shaft.

[0008] Preferably, the outer end of the adjusting stud is provided with a hand-adjusting handle for facilitating the rotation of the adjusting stud.

[0009] Preferably, a limiting screw hole is provided on the side wall of the fixed installation main component, a limiting screw is threadedly passed through the inner thread of the limiting screw hole, a long sliding groove is transversely provided on the side wall of the adjusting clamping block, and the rear end of the limiting screw is passed into the block sliding cavity and slidably inserted into the long sliding groove.

[0010] Preferably, the contact clamping surface is an involute curve along the radial section line, and the minimum distance between the curve and the axis center line of the adjusting clamping block gradually increases toward the direction of the block sliding cavity.

[0011] Preferably, each group of the stud sliding holes and block sliding cavities constitutes a clamping unit, and a plurality of groups of clamping units are provided on the side surface of the rotating sleeve.

[0012] Compared with the prior art, the utility model has the following beneficial effects: the utility model limits the rotation of the rotating shaft by adjusting the contact clamping surface of the clamping block to press against the shaft wall of the rotating shaft, and by tightening the adjusting stud, the adjusting clamping block will slide in the block sliding cavity toward the stud sliding hole, so that the contact clamping surface will further press against the rotating shaft. Since it is an arc surface contact type press, the clamping force can be well guaranteed, thereby ensuring that the mechanism will not loosen or fall off due to rotational vibration, thereby affecting production operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0014] Figure 1 This is a schematic diagram of the structure of the utility model from the front side perspective;

[0015] Figure 2 A partial exploded view of this application;

[0016] Figure 3 for Figure 2 Front view of

[0017] Figure 4 A partial cross-sectional view of the main component for fixing and installing;

[0018] Figure 5 A partial cross-sectional view of the other side of the fixed installation main part;

[0019] Figure 6 It is a structural schematic diagram of the contact clamping surface;

[0020] Figure 7 A bottom view of a conventional fastening mechanism.

[0021] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0022] Rotating sleeve 1, fixed installation main part 10, stud sliding hole 11, block sliding cavity 12, limiting screw hole 13, cavity leakage arc opening 14, spring 2, sliding pressure plate 3, retaining spring 4, adjusting clamping block 5, screw hole 50, limiting screw 51, sliding long groove 52, contact clamping surface 53, adjusting stud 6, and hand adjustment handle 60. DETAILED DESCRIPTION

[0023] 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 of 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. Example

[0024] See also Figure 1-7 , the utility model provides a technical solution:

[0025] A novel rotation vibration anti-falling mechanism comprises a rotating sleeve 1, a spring 2 and a sliding pressure plate 3. The outer ring of the rotating sleeve 1 is provided with a spring 2. The sliding pressure plate 3 is slidably sleeved on the top of the rotating sleeve 1 through the spring 2 and fixed by a retaining spring 4.

[0026] The bottom fixed sleeve of the rotating sleeve 1 is provided with a fixed installation main part 10, and the sides of the fixed installation main part 10 are respectively provided with connected stud sliding holes 11 and block sliding cavities 12, and an adjusting clamping block 5 is slidably inserted in the block sliding cavity 12, and the adjusting clamping block 5 is provided with a screw hole 50 in a direction perpendicular to the axis of the rotating sleeve 1, and the adjusting stud 6 is inserted into the block sliding cavity 12 through the stud sliding hole 11 and threadedly connected in the screw hole 50, and a cavity leakage arc opening 14 communicating with the inner shaft wall of the rotating sleeve 1 is provided inside the block sliding cavity 12, and the shaft wall of the rotating shaft in the rotating sleeve 1 extends into the block sliding cavity 12 through the cavity leakage arc opening 14, and the rear side surface of the adjusting clamping block 5 is provided with a contact clamping surface 53 for close contact with the shaft wall of the rotating shaft;

[0027] During operation, the sliding pressure plate 3 can rotate freely on the rotating sleeve 1 and press external objects by the elastic force of the spring 2. When in use, a rotating shaft is penetrated in the rotating sleeve 1. When the rotating shaft passes through the fixed installation main component 10, it will leak out from the arc opening 14 in the block sliding cavity 12, and the contact clamping surface 53 of the adjusting clamping block 5 will press against the shaft wall of the rotating shaft to limit the rotation of the rotating shaft. Tighten the adjusting stud 6, and the adjusting clamping block 5 will slide in the block sliding cavity 12 toward the stud sliding hole 11, so that the contact clamping surface 53 will further press against the rotating shaft. Since it is a curved surface contact type pressing, the clamping force can be well guaranteed, thereby ensuring that the mechanism will not loosen or fall off due to rotational vibration, thereby affecting production operations.

[0028] The outer end of the adjusting stud 6 is provided with a hand-adjusting handle 60 for facilitating the rotation of the adjusting stud 6;

[0029] During operation, the hand-adjustable handle 60 can drive the adjusting stud 6 to rotate forward and reversely, thereby adjusting the sliding position of the clamping block 5 in the block sliding cavity 12, so as to facilitate and quickly adjust the clamping degree.

[0030] The side wall of the fixed installation main part 10 is provided with a limit screw hole 13, and a limit screw 51 is threadedly inserted into the limit screw hole 13. The side wall of the adjustment clamping block 5 is transversely provided with a long sliding groove 52, and the rear end of the limit screw 51 is inserted into the block sliding cavity 12 and slidably inserted into the long sliding groove 52.

[0031] During operation, first insert the adjusting clamping block 5 into the block sliding cavity 12, then tighten the limiting screw 51 into the block sliding cavity 12 through the limiting screw hole 13 and adjust the angle of the adjusting clamping block 5 to ensure that the rear end of the limiting screw 51 is just inserted into the sliding long groove 52, so that the adjusting clamping block 5 can be limited by lateral sliding. When the adjusting stud 6 rotates in the screw hole 50, the limiting screw 51 and the sliding long groove 52 realize the lateral limiting function, and the adjusting clamping block 5 will not rotate. At the same time, it also ensures the fit between the contact clamping surface 53 and the shaft wall leaking out at the cavity leakage arc opening 14.

[0032] The contact clamping surface 53 is an involute curve along the radial section line, and the minimum distance between the curve and the axis of the adjusting clamping block 5 gradually increases toward the block sliding cavity 12;

[0033] During operation, the main limitation here is the shape of the contact clamping surface 53, such as Figure 5 As shown in the arc surface, during the process of adjusting the clamping block 5 to move toward the stud sliding hole 11, the amount of compression of the shaft wall at the cavity leakage arc opening 14 by the contact clamping surface 53 will become larger and larger, thereby ensuring the clamping force. Example

[0034] The difference between this embodiment and embodiment 1 is that:

[0035] Each set of the stud sliding holes 11 and the block sliding cavities 12 constitutes a clamping unit, and the side of the rotating sleeve 1 is provided with multiple sets of clamping units;

[0036] When working, Figure 1 It is shown that a clamping unit is set on one side. If needed, a clamping unit can also be set on the opposite side. The clamping action is applied symmetrically on both sides, which has a better clamping effect. Naturally, multiple units can also be set in a circumferentially distributed manner, which will not be repeated here.

[0037] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0038] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A novel rotation vibration anti-falling mechanism, comprising a rotating sleeve (1), a spring (2) and a sliding pressure plate (3), wherein the outer ring of the rotating sleeve (1) is provided with a spring (2), and the sliding pressure plate (3) is slidably sleeved on the top of the rotating sleeve (1) through the spring (2) and fixed by a retaining spring (4), characterized in that: The bottom fixed sleeve of the rotating sleeve (1) is provided with a fixed installation main part (10), and the side surfaces of the fixed installation main part (10) are respectively provided with connected stud sliding holes (11) and block sliding cavities (12), and an adjusting clamping block (5) is slidably inserted in the block sliding cavity (12), and the adjusting clamping block (5) is provided with a screw hole (50) in a direction perpendicular to the axis of the rotating sleeve (1), and the adjusting stud (6) is inserted into the block sliding cavity (12) through the stud sliding hole (11) and is threadedly connected in the screw hole (50), and the block sliding cavity (12) is provided with a cavity leakage arc opening (14) in communication with the inner shaft wall of the rotating sleeve (1), and the shaft wall of the rotating shaft in the rotating sleeve (1) extends into the block sliding cavity (12) through the cavity leakage arc opening (14), and the rear side surface of the adjusting clamping block (5) is provided with a contact clamping surface (53) for tightly contacting the shaft wall of the rotating shaft.

2. According to claim 1, the novel rotation vibration anti-falling mechanism is characterized in that: The outer end of the adjusting stud (6) is provided with a hand-adjusting handle (60) for facilitating the rotation of the adjusting stud (6).

3. According to claim 1, the novel rotation vibration anti-falling mechanism is characterized in that: A limit screw hole (13) is provided on the side wall of the fixed installation main component (10), a limit screw (51) is threadedly inserted into the limit screw hole (13), a long sliding groove (52) is transversely provided on the side wall of the adjustment clamping block (5), and a rear end of the limit screw (51) is inserted into the block sliding cavity (12) and slidably inserted into the long sliding groove (52).

4. A novel rotation vibration anti-falling mechanism according to claim 3, characterized in that: The contact clamping surface (53) is an involute curve along the radial section line, and the minimum distance between the curve and the axis center line of the adjustment clamping block (5) gradually increases toward the direction of the block sliding cavity (12).

5. A novel rotation vibration anti-falling mechanism according to any one of claims 1 to 4, characterized in that: Each group of the stud sliding holes (11) and the block sliding cavities (12) constitutes a clamping unit, and a plurality of groups of clamping units are provided on the side surface of the rotating sleeve (1).

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