Screw mounting auxiliary tool

By designing the inner tube and nail feeding mechanism of the screw installation auxiliary tool, the problems of accidental injury to hands and crookedness during screw installation are solved, and efficient and safe screw installation is achieved.

CN223326280UActive Publication Date: 2025-09-12符傳心
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Patent Information

Application Number
CN202422464415.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-12
Publication Date
2025-09-12
Estimated Expiration
2034-10-12

AI Technical Summary

Technical Problem

The existing screw installation method is easy to accidentally injure the hands, and there are problems such as screws falling off and tilting, which affects construction quality and safety.

Method used

A screw installation auxiliary tool is designed, which includes an inner tube, a clamping mechanism and a nail feeding mechanism. The clamping mechanism ensures that the screws are vertical and not skewed. The nail feeding mechanism is used to place multiple screws at a time. Automatic installation is achieved through the cooperation of the inner tube and the nail feeding mechanism.

Benefits of technology

It improves installation efficiency, ensures vertical installation of screws, avoids handheld operation, and increases safety and construction quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of mechanical tools, in particular to a screw mounting auxiliary tool which comprises an inner pipe, a clamping mechanism and a screw feeding mechanism. The inner pipe is of a hollow structure, an annular baffle is arranged at one end of the inner pipe, symmetrical side openings are formed in the side, close to the annular baffle, of the inner pipe, and a first combined opening is formed in the middle of the inner pipe. The clamping mechanism comprises two groups of fixing sheets, a protective sleeve, a spring and a sleeve; the nail feeding mechanism comprises an inner sleeve and a nail feeding device. According to the auxiliary tool for installing the screws, the design that the inner pipe, the clamping mechanism and the screw feeding mechanism are combined is adopted, the clamping mechanism can guarantee that the screws are vertical and not inclined, the screw feeding mechanism is used for containing the screws, a plurality of screws can be placed at a time, the screws can automatically fall into the inner pipe by rotating the screw feeding device in the installing process, installing operation is easy and convenient, and installing efficiency is high. And moreover, a screw is not required to be held by hand for installation, so that the safety is higher.
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Description

Technical Field

[0001] The utility model relates to the technical field of mechanical tools, in particular to a screw installation auxiliary tool. Background Art

[0002] Screws are essential components in fields such as electrical engineering, mechanical installation, and infrastructure construction. On-site screw installation is typically done by hand—holding the screw in one hand and a hand drill in the other. However, this method can easily cause hand injuries and lead to screws falling off or becoming skewed, reducing efficiency, impacting construction quality, and even endangering personnel and equipment safety.

[0003] CN109352574A discloses a quick auxiliary tool for automatic screw feeding, which mainly consists of a suction cup, a screwdriver positioner, a machine base, and a screw clamping block. The suction cup is installed at the bottom of the machine base to fix the machine base in the user's desired position; the screwdriver positioner is installed in the machine base via a spring and can move up and down; the screw clamping block is located on one side of the machine base and has a screw chute extending directly through the center of the machine base for placing the screws to be used. In this patent, screws are installed through an L-shaped screw chute, which cannot ensure that the screws enter the center of the machine base vertically. Moreover, multiple screws can be inserted at a time without obstruction between the multiple screws, making it impossible to install one screw at a time.

[0004] Therefore, the utility model provides a screw installation auxiliary tool. Utility Model Content

[0005] In view of the above-mentioned deficiencies in the prior art, the utility model provides a screw installation auxiliary tool, which has a reasonable structural design and is easy to promote.

[0006] A screw installation auxiliary tool, comprising an inner tube, a clamping mechanism and a screw feeding mechanism;

[0007] The inner tube is a hollow structure, one end of the inner tube is provided with an annular baffle, the inner tube is provided with symmetrical side openings on one side close to the annular baffle, and the middle part of the tube wall of the inner tube is provided with a combined opening 1;

[0008] The clamping mechanism includes two sets of fixing plates, a protective cover, a spring and a sleeve;

[0009] The fixing plate is an arc-shaped structure, the inner wall of the fixing plate is in contact with the inner tube, a barb-shaped clamping block is provided inside the fixing plate, the barb-shaped clamping block is placed at the side opening, and the side wall of the inner tube is clamped into the barb-shaped clamping block, and a rubber band is sleeved on the side of the fixing plate close to the annular baffle; a through hole is formed between the barb-shaped clamping blocks of the two fixing plates, and the through hole is larger than the outer diameter of the screw rod and smaller than the outer diameter of the screw head;

[0010] A protective sleeve is fixed to the outside of the fixing plate, and a truncated cone-shaped spring is provided on the outside of the protective sleeve, one end of the spring is fixed to the protective sleeve, and the other end is fixed to the inner tube; a sleeve is provided on the outside of the spring, and the sleeve is fixed to the inner tube, and the inner wall of the sleeve is provided with a thread;

[0011] The nail feeding mechanism includes an inner sleeve and a nail loading device;

[0012] The inner sleeve is provided with a second combination opening, the inner sleeve is sleeved on the inner tube, and the second combination opening corresponds to the first combination opening; the nailer is sleeved on the outside of the inner sleeve, and the inner wall of the nailer is provided with evenly arranged arc-shaped grooves, and the nailer can rotate along the inner sleeve.

[0013] Preferably, the nail feeding mechanism also includes a fixer, which is sleeved on the top of the inner tube, and a positioning hole is provided on the top of the inner sleeve. A strip opening is provided on the side of the fixer, and a limiting column is provided in the strip opening. The limiting column is fixed in the strip opening, and the fixer can slide up and down along the inner tube; when the fixer slides to the point where the limiting column is located at the top of the strip opening, the fixer is against the top of the nail setter, and when the fixer slides to the point where the limiting column is located at the bottom of the strip opening, the fixer is away from the top of the nail setter.

[0014] Preferably, the arc-shaped groove of the nailer is used to place screws. When the nailer is rotated until the arc-shaped groove corresponds to the combination opening 2 and the combination opening 1, the screw falls into the inner tube, slides to the bottom of the inner tube, and is clamped by the fixing plate.

[0015] Preferably, when using a hand drill to install the screw, a longer screw rod is inserted from the top of the inner tube, and one end of the screw extends from the bottom of the inner tube; during the process of the screw rotating into the workpiece, the nut pulls down the hook-shaped block of the fixing plate, and the hook-shaped block slides down from the side wall of the inner tube, and then the screw stretches the fixing plate and comes out of the inner tube, completing the installation; at this time, the fixing plate recovers under the rebound tension of the spring, and the hook-shaped block of the fixing plate is stuck in the side wall of the inner tube.

[0016] Preferably, the bottom of the inner sleeve is provided with an external thread, and the inner sleeve is threadedly fixed in the sleeve.

[0017] Preferably, the height of the nailer reaches the height of the elliptical opening of the combined opening one.

[0018] Preferably, the combination opening 1 and the combination opening 2 have the same shape, and the bottom of the combination opening 1 is a strip shape and the top is an elliptical shape.

[0019] Preferably, the inner wall of the inner sleeve has the same size as the outer wall of the inner tube.

[0020] The beneficial effects of the utility model are:

[0021] The utility model discloses a screw installation auxiliary tool, which adopts a design combining an inner tube, a clamping mechanism and a nail feeding mechanism. The clamping mechanism can ensure that the screw is vertical and not skewed. The nail feeding mechanism is used to place the screws, and multiple screws can be placed at a time. When installing, the nailer is rotated and the screws can automatically fall into the inner tube. The installation operation is simple, which improves work efficiency. There is no need to hold the screws for installation, which is safer. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only illustrate certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying any creative work.

[0023] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0024] Figure 2 This is a schematic diagram of the disassembled state of the utility model;

[0025] Figure 3 This is a diagram of the disassembled state of the inner tube and the fixing plate;

[0026] Figure 4 This is a diagram of the combined state of the inner tube, fixing plate, and rubber band;

[0027] Figure 5 This is the structural diagram of the inner sleeve;

[0028] Figure 6 This is a structural diagram of the nailing device;

[0029] Figure 7 This is a structural diagram of the fixator;

[0030] Figure 8This is a diagram of the assembled state of the inner tube, inner sleeve, nailer, and fixer;

[0031] 1-inner tube, 101-annular baffle, 102-side opening, 103-combination opening one, 200-clamping mechanism, 201-fixing plate, 202-protective cover, 203-spring, 204-sleeve, 205-hook-type block, 206-rubber band, 300-nail feeding mechanism, 301-inner sleeve, 302-nailer, 303-combination opening two, 304-arc-shaped groove, 305-fixator, 306-positioning hole, 307-strip opening. DETAILED DESCRIPTION

[0032] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings herein can be arranged and designed in various different configurations.

[0033] In the description of the embodiments of the present invention, it should be noted that if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, the orientation or position relationship indicated is based on the orientation or position relationship shown in the accompanying drawings, or the orientation or position relationship in which the product of the utility model is usually placed when in use. It is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation. Therefore, it should not be understood as limiting the present invention. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description and should not be understood as indicating or implying relative importance.

[0034] Furthermore, the use of terms such as "horizontal," "vertical," and "overhanging" does not necessarily imply that the component must be absolutely horizontal or overhanging, but rather that it can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal than "vertical," not that the structure must be completely horizontal, but rather that it can be slightly tilted.

[0035] As shown in the accompanying drawings, a screw installation auxiliary tool includes an inner tube 100, a clamping mechanism 200 and a screw feeding mechanism 300;

[0036] The inner tube 100 is a hollow structure. An annular baffle 101 is provided at one end of the inner tube 100. The annular baffle 101 is perpendicular to the side wall of the inner tube 100. A symmetrical side opening 102 is provided on the side of the inner tube 100 close to the annular baffle 101. A combined opening 103 is provided in the middle of the wall of the inner tube 100.

[0037] The clamping mechanism 200 includes two sets of fixing plates 201, a protective cover 202, a spring 203 and a sleeve 204;

[0038] The fixing plate 201 is an arc-shaped structure. The inner wall of the fixing plate 201 fits with the inner tube 100. A barb-shaped clamping block 205 is provided inside the fixing plate 201. The barb-shaped clamping block 205 is placed at the side opening 102, and the side wall of the inner tube 100 is clamped into the barb-shaped clamping block 205. A rubber band 206 is sleeved on the side of the fixing plate 201 close to the annular baffle 101. There is a through hole between the barb-shaped clamping blocks 205 of the two fixing plates 201. The through hole is larger than the outer diameter of the screw rod and smaller than the outer diameter of the screw head.

[0039] A protective sleeve 202 is fixed to the outside of the fixing plate 201. A truncated cone-shaped spring 203 is provided on the outside of the protective sleeve 202. One end of the spring 203 is fixed to the protective sleeve 202, and the other end extends out of the protective sleeve 202 and is fixed to the inner tube 100. A sleeve 204 is provided on the outside of the spring 203. The lower end of the sleeve 204 is fixed to the protective sleeve 202, and the upper end is fixed to the inner tube 100 (the sleeve 204 completely covers the spring). The inner wall of the sleeve 204 is threaded.

[0040] The nail feeding mechanism 300 includes an inner sleeve 301 and a nail loading device 302;

[0041] The bottom of the inner sleeve 301 is provided with external threads for mating with the inner wall of the sleeve 204. The inner sleeve 204 is threadedly secured within the inner sleeve 301. The inner sleeve 301 is provided with a second combination opening 303, which is mounted on the inner tube 100, with the second combination opening 303 corresponding to the first combination opening 103. A nailing tool 302 is mounted on the outside of the inner sleeve 301. The inner wall of the nailing tool 302 is provided with evenly spaced arc-shaped grooves 304, allowing the nailing tool 302 to rotate along the inner sleeve 301. The inner wall of the inner sleeve 301 is the same size as the outer wall of the inner tube 100. After installation, the top of the inner sleeve 301 is flush with the top of the inner tube 100. The first combination opening 103 and the second combination opening 303 have the same shape, with the bottom of the first combination opening 103 being a strip and the top being an oval.

[0042] The arcuate groove 304 of the nailing tool 302 is used to hold a screw. Simply insert the screw into the arcuate groove 304, and the screw cap will be caught above the nailing tool 302. When the nailing tool 302 is rotated until the arcuate groove 304 aligns with the second and first combination openings 303 and 103, the screw will drop into the inner tube 100 and slide to the bottom of the inner tube 100, where it will be caught by the fixing plate 201. The height of the nailing tool 302 is at the same height as the elliptical opening of the first combination opening 103.

[0043] The nail feeding mechanism 300 also includes a fixer 305, which is sleeved on the top of the inner tube 100. A positioning hole 306 is provided on the top of the inner sleeve 301. A strip opening 307 is provided on the side of the fixer 305. A limiting column is provided in the strip opening 307. The limiting column is fixed in the strip opening 307, and the fixer 305 can slide up and down along the inner tube 100; when the fixer 305 slides to the point where the limiting column is located at the top of the strip opening 307, the fixer 305 is against the top of the nail setter 302. When the fixer 305 slides to the point where the limiting column is located at the bottom of the strip opening 307, the fixer 305 is away from the top of the nail setter 302.

[0044] When using a hand drill to install a screw, a longer screw rod is installed on the hand drill; the screw is placed in the arc-shaped groove 304 of the nailing device 302, the top cap of the screw is stuck on the top of the nailing device 302, and then the fixer 305 is slid down until its bottom is against the top cap of the screw; when the screw needs to be used, the nailing device 302 is rotated so that the arc-shaped groove 304 is located at the corresponding position of the combined opening 2 303 and the combined opening 1 103, and the screw falls into the inner tube 100 and slides down to the bottom. At this time, the fixing piece 201 clamps the screw; then The screws are installed using a hand drill. The installation method is as follows: the other end of the screw rod is inserted from the top of the inner tube 100, the screw rod presses against the screw and drives the screw to rotate and arch downward, and the screw pulls the hook-shaped block 205 of the fixing plate 201 downward, so that the hook-shaped block 205 slides downward from the side wall of the inner tube 100, and then the screw stretches the fixing plate 201 and comes out of the inner tube 100, completing the installation; at this time, the fixing plate 201 recovers under the rebound tension of the spring 203, and the hook-shaped block 205 of the fixing plate 201 is stuck in the side wall of the inner tube 100.

[0045] The above description is only a preferred embodiment of the present utility model patent and is not intended to limit the present utility model patent. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model patent shall be included in the scope of protection of the present utility model patent.

Claims

1. A screw installation auxiliary tool, characterized in that: It comprises an inner tube (100), a clamping mechanism (200) and a nail feeding mechanism (300); The inner tube (100) is a hollow structure, an annular baffle (101) is provided at one end of the inner tube (100), a symmetrical side opening (102) is provided on one side of the inner tube (100) close to the annular baffle (101), and a combined opening (103) is provided in the middle of the tube wall of the inner tube (100); The clamping mechanism (200) comprises a fixing plate (201), a protective cover (202), a spring (203) and a sleeve (204); The fixing plate (201) is an arc-shaped structure, the inner wall of the fixing plate (201) is fitted with the inner tube (100), a hook-shaped block (205) is provided inside the fixing plate (201), the hook-shaped block (205) is placed at the side opening (102), and the side wall of the inner tube (100) is clamped into the hook-shaped block (205), and a rubber band (206) is provided on the side of the fixing plate (201) close to the annular baffle (101); a through hole is formed between the hook-shaped blocks (205) of the two fixing plates (201), and the through hole is larger than the outer diameter of the screw rod and smaller than the outer diameter of the screw cap; A protective sleeve (202) is fixed to the outside of the fixing plate (201), and a truncated cone-shaped spring (203) is provided on the outside of the protective sleeve (202), one end of the spring (203) is fixed to the protective sleeve (202), and the other end is fixed to the inner tube (100); a sleeve (204) is provided on the outside of the spring (203), and the sleeve (204) is fixed to the inner tube (100), and the inner wall of the sleeve (204) is provided with a thread; The nail feeding mechanism (300) comprises an inner sleeve (301) and a nail loading device (302); The inner sleeve (301) is provided with a second combined opening (303), the inner sleeve (301) is sleeved on the inner tube (100), and the second combined opening (303) corresponds to the first combined opening (103); the nailing device (302) is sleeved on the outside of the inner sleeve (301), and the inner wall of the nailing device (302) is provided with evenly arranged arc-shaped grooves (304), and the nailing device (302) can rotate along the inner sleeve (301).

2. A screw installation auxiliary tool according to claim 1, characterized in that: The nail feeding mechanism (300) further includes a fixer (305), the fixer (305) being sleeved on the top of the inner tube (100), the top of the inner sleeve (301) being provided with a positioning hole (306), the side of the fixer (305) being provided with a strip opening (307), a limiting column being provided in the strip opening (307), the limiting column being fixed in the strip opening (307), and the fixer (305) being able to slide up and down along the inner tube (100); when the fixer (305) slides to the point where the limiting column is located at the top of the strip opening (307), the fixer (305) abuts against the top of the nailing device (302), and when the fixer (305) slides to the point where the limiting column is located at the bottom of the strip opening (307), the fixer (305) is away from the top of the nailing device (302).

3. A screw installation auxiliary tool according to claim 2, characterized in that: The arc-shaped groove (304) of the nailing device (302) is used to place a screw. When the nailing device (302) is rotated until the arc-shaped groove (304) corresponds to the second combined opening (303) and the first combined opening (103), the screw falls into the inner tube (100) and slides to the bottom of the inner tube (100) and is clamped by the fixing plate (201). When using a hand drill to install the screw, a longer screw rod is inserted from the top of the inner tube (100), and one end of the screw is inserted from the inner tube (100). 00); when the screw is rotated into the workpiece, the nut pulls the hook-shaped block (205) of the fixing plate (201) downward, and the hook-shaped block (205) slides downward from the side wall of the inner tube (100), and then the screw stretches the fixing plate (201) and comes out of the inner tube (100), completing the installation; at this time, the fixing plate (201) recovers under the rebound tension of the spring (203), and the hook-shaped block (205) of the fixing plate (201) is stuck in the side wall of the inner tube (100).

4. The screw installation auxiliary tool according to claim 1, characterized in that: The bottom of the inner sleeve (301) is provided with an external thread, and the inner sleeve (301) is threadedly fixed in the sleeve (204).

5. The screw installation auxiliary tool according to claim 1, characterized in that: The height of the nailer (302) is at the height position of the elliptical opening of the combined opening 1 (103).

6. The screw installation auxiliary tool according to claim 1, characterized in that: The combination type opening 1 (103) and the combination type opening 2 (303) have the same shape, and the bottom of the combination type opening 1 (103) is in a strip shape and the top is in an elliptical shape.

7. The screw installation auxiliary tool according to claim 1, characterized in that: The inner wall of the inner sleeve (301) has the same size as the outer wall of the inner tube (100).

Citation Information

Patent Citations

  • Rapid auxiliary tool for automatic screw spike feeding

    CN109352574A