Novel prepressing screw guiding device

The novel pre-loaded screw guiding device uses guide flaps and elastic pressure columns to guide the screw direction, solving the problem of traditional screw installation deviation and achieving accurate screw alignment and uniform force distribution. It is suitable for the assembly of precision instruments and electronic equipment.

CN223685335UActive Publication Date: 2025-12-19BOSCH CAR MULTIMEDIA WUHU
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Patent Information

Application Number
CN202423145664.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-19
Publication Date
2025-12-19
Estimated Expiration
2034-12-19

AI Technical Summary

Technical Problem

Traditional screw installation methods rely on manual experience, which can easily lead to installation position deviations, resulting in loose connections and uneven stress, making it difficult to meet the high-precision requirements of precision instrument manufacturing and electronic equipment assembly.

Method used

A novel pre-loaded screw guiding device is adopted, including a connecting seat, a guiding mechanism and a pre-loaded mechanism. The workpiece is fixed by a guide flap and an elastic pressure column, and the screw direction is guided by the guide flap to avoid skewing.

Benefits of technology

It enables accurate screw alignment and vertical installation, improves installation precision, ensures tight connections and uniform force distribution, and is suitable for the assembly of precision instruments and electronic equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a novel prepressing screw guiding device, which comprises a connecting seat (1), a guiding mechanism for guiding a screw and a prepressing mechanism for pressing a workpiece are arranged on the connecting seat (1), the guiding mechanism comprises guiding petals (5) hinged in the connecting seat (1), the prepressing mechanism comprises an elastic pressing column (2) penetrating through the connecting seat (1), the guiding petals (5) are arranged in pairs, and the elastic pressing column (2) is arranged on the connecting seat (1). A semicircular groove is formed in the inner side of the guide petal (5), the bottom of the guide petal (5) is a hollow semicircular truncated cone, a spring (6) is arranged on the side edge of the guide petal (5), a jackscrew (7) is arranged at the end of the spring (6), and the jackscrew (7) is arranged on the connecting seat (1); after a workpiece is pressed and fixed through the pre-pressing mechanism, a screw is placed in the guide petal (5) of the connecting base (1), the direction of the screw is guided through the guide mechanism, and the screw is prevented from inclining.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to screw technical field, specifically, the utility model relates to a novel pre -press's screw guiding device. BACKGROUND

[0002] Screw is commonly used to tighten, fixed tool, application occasion is wide, through the mode of rotation, can be screwed into the object, the thread on the surface of screw can fix the screw on the surface of the object, and because the flange end diameter of screw is greater than the screw column diameter, through the form of penetrating the object, a plurality of objects are fixed together.

[0003] Patent No. 202322538226.4, published on July 30, 2024, discloses a screw guiding structure for guiding the screw into the screw hole, comprising a guiding body and a positioning piece. The guiding body has a guiding hole that is adapted to the size of the head of the screw. The positioning piece is connected to the guiding body, and part of the structure of the positioning piece is located on the opening path of the guiding hole and is arranged at intervals with the guiding hole. The position of the positioning piece opposite the guiding hole is provided with a positioning block. The structure with a screw hole can be clamped between the guiding body and the positioning block. Part of the structure of the positioning block can be inserted into the screw hole to set the screw hole opposite the guiding hole and limit the position of the structure with the screw hole. By setting the guiding body and the positioning piece, the tooth part of the screw can be quickly and accurately aligned with the screw hole. Due to the limiting effect of the guiding hole wall, the screw is not easy to deviate, and the screwdriver can easily screw the screw into the screw hole.

[0004] Under the traditional mode, the installation of screw mainly relies on manual experience or simple tool assistance, which is easy to cause installation position deviation. This may lead to loose connection, uneven stress, affecting the performance and reliability of the product, especially in the field with high installation precision requirements, such as precision instrument manufacturing, electronic equipment assembly, etc. The traditional screw installation method is difficult to meet the demand. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a novel pre-press screw guiding device that can guide the insertion direction of the screw.

[0006] In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: a novel pre-press screw guiding device, comprising a connecting seat, the connecting seat is provided with a guiding mechanism for guiding the screw and a pre-press mechanism for pressing the workpiece, the guiding mechanism comprises a guiding petal hinged in the connecting seat, and the pre-press mechanism comprises an elastic pressing column penetrating through the connecting seat.

[0007] The guiding petals are arranged in pairs, and the inner side of the guiding petals is provided with a semicircular groove. The bottom of the guiding petal is a hollow semicircular table.

[0008] The guiding petals on both sides are attached to each other, the bottom of the guiding petals after being folded together is in the shape of a circular truncated cone, and the inner diameter of the bottom end of the guiding petals is smaller than the inner diameter of the guiding petals.

[0009] The screw is located between the guiding petals.

[0010] The connecting seat is internally provided with a rotating shaft penetrating through the guiding petals.

[0011] The side edge of the guiding petals is provided with a spring, the end of the spring is provided with a jackscrew, and the jackscrew is arranged on the connecting seat.

[0012] The bottom end of the elastic pressing column is provided with a pressing head, and the pressing head is pressed on the surface of the workpiece.

[0013] The connecting seat is internally provided with a cavity, the guiding petals are located inside the cavity, and the cavity penetrates through the connecting seat.

[0014] The technical effect of the novel pre-pressing screw guiding device is that after the workpiece is pressed and fixed by the pre-pressing mechanism, the screw is placed into the guiding petals of the connecting seat, the direction of the screw is guided by the guiding mechanism, and the screw is prevented from being inclined. BRIEF DESCRIPTION OF DRAWINGS

[0015] The present specification includes the following drawings, and the shown contents are respectively:

[0016] Figure 1 It is a structural schematic view of the novel pre-pressing screw guiding device.

[0017] Figure 2 It is a connecting seat schematic view of the novel pre-pressing screw guiding device. Figure 1

[0018] It is a guiding petal schematic view of the novel pre-pressing screw guiding device. Figure 3 Figure 1 It is a guiding petal and rotating shaft schematic view of the novel pre-pressing screw guiding device.

[0019] Figure 4 Figure 1 It is a guiding petal and rotating shaft schematic view of the novel pre-pressing screw guiding device.

[0020] In the figure, 1 is a connecting seat, 2 is an elastic pressing column, 3 is a pressing head, 4 is a rotating shaft, 5 is a guiding petal, 6 is a spring, and 7 is a jackscrew. DETAILED DESCRIPTION

[0021] The specific embodiments of the present application are further described in detail below by comparing the drawings and the description of the embodiments, the purpose being to help the skilled in the art to have a more complete, accurate and in-depth understanding of the inventive concept and technical scheme of the present application, and to help the implementation.

[0022] Please refer to​​Figures 1-4 The utility model provides a new type pre -press screw guide device, including the connecting seat 1 that is equipped with the guide mechanism of guide screw and the pre -press mechanism of pressing workpiece on connecting seat 1, and the guide mechanism includes the guide petal 5 articulated in connecting seat 1, and the pre -press mechanism includes the elastic pressure column 2 through connecting seat 1, after using pre -press mechanism and press the workpiece and fix, put screw into the guide petal 5 of connecting seat 1, using guide mechanism to guide the direction of screw, make screw avoid the situation of skew.

[0023] The guide petal 5 is arranged in pairs, and a semicircular groove is arranged on the inner side of the guide petal 5, and the bottom of the guide petal 5 is a hollow semicircular table; the screw is guided from both sides, and because the guide petal 5 can be opened and closed, the screw can smoothly pass through the guide petal 5.

[0024] The guide petal 5 on both sides is attached to each other, the bottom of the folded guide petal 5 is a circular table, and the inner diameter of the bottom end of the guide petal 5 is smaller than the inner diameter of the guide petal 5; the movement of the screw is guided from large to small, to prevent skewing.

[0025] The screw is located between the guide petal 5; the guide petal 5 guides the screw.

[0026] A rotating shaft 4 is arranged in the connecting seat 1 and penetrates the guide petal 5; the guide petal 5 can rotate to avoid being stuck.

[0027] A spring 6 is arranged on the side of the guide petal 5, an end of the spring 6 is provided with a jackscrew 7, and the jackscrew 7 is arranged on the connecting seat 1; the guide petal 5 is given pressure by the spring 6, to ensure that the screw is subjected to pressure from both sides and remains vertical without skewing.

[0028] A pressure head 3 is arranged at the bottom end of the elastic pressure column 2 and presses on the surface of the workpiece; the workpiece is fixed by the elastic pressure column 2 and the pressure head 3.

[0029] A cavity is arranged in the connecting seat 1, the guide petal 5 is located in the cavity, and the cavity penetrates the connecting seat 1; the screw can be placed between the guide petal 5 from above the cavity, which is convenient to operate.

[0030] The utility model discloses a new type pre -press screw guide device, including the connecting seat 1 that is equipped with the guide mechanism of guide screw and the pre -press mechanism of pressing workpiece on connecting seat 1, and the guide mechanism includes the guide petal 5 articulated in connecting seat 1, and the pre -press mechanism includes the elastic pressure column 2 through connecting seat 1, after using pre -press mechanism and press the workpiece and fix, put screw into the guide petal 5 of connecting seat 1, using guide mechanism to guide the direction of screw, make screw avoid the situation of skew.

[0031] The utility model has been described exemplarily in combination with the drawings. Apparently, the specific implementation of the utility model is not limited by the above-mentioned mode. As long as various non-essential improvements are made by adopting the method concept and technical scheme of the utility model, or the above-mentioned concept and technical scheme of the utility model are directly applied to other occasions without improvement, they are all within the protection scope of the utility model.

Claims

1. A new pre-tensioned screw guide, characterized in that: The utility model provides a connecting seat (1) is equipped with the guide mechanism of guide screw and the pre -press mechanism of pressing work piece on connecting seat (1), the guide mechanism includes the guide petal (5) articulated in connecting seat (1), and the pre -press mechanism includes the elastic pressure column (2) through connecting seat (1).

2. A new pre-stressed screw guide as claimed in claim 1, wherein: The guide petal (5) is provided in pairs, and a semicircular groove is arranged on the inner side of the guide petal (5), and the bottom of the guide petal (5) is a hollow semicircular table.

3. A new pre-stressed screw guide as claimed in claim 2, wherein: The guide petal (5) on both sides is attached to each other, the bottom of the folded guide petal (5) is a circular table, and the inner diameter of the bottom end of the guide petal (5) is smaller than the inner diameter of the guide petal (5).

4. A novel pre-tensioned screw guide as claimed in claim 2 or 3, characterized in that: The screw is located between the guide petals (5).

5. A new pre-loaded screw guide as claimed in claim 1, wherein: A rotating shaft (4) is arranged in the connecting seat (1) and penetrates the guide petals (5).

6. A new pre-stressed screw guide as claimed in claim 1 or 5, wherein: A spring (6) is arranged on the side of the guide petal (5), the end of the spring (6) is provided with a jackscrew (7), and the jackscrew (7) is arranged on the connecting seat (1).

7. A new pre-loaded screw guide as defined in claim 1, wherein: The bottom end of the elastic pressure column (2) is provided with a pressure head (3), and the pressure head (3) is pressed on the surface of the workpiece.

8. A new pre-loaded screw guide as defined in claim 1, wherein: The connecting seat (1) is provided with a cavity, the guide petal (5) is located inside the cavity, and the cavity penetrates the connecting seat (1).

Citation Information

Patent Citations

  • Screw guide structure

    CN221436314U