A screw tightening tool for furniture installation

Abstract

This utility model relates to the field of furniture installation tools, specifically a screw tightening tool for furniture installation. It includes a handle, a connecting rod fixedly connected to the surface of the handle, a telescopic rod inserted into the surface of the connecting rod, a Phillips head and a slotted head fixedly connected to both ends of the telescopic rod, limit blocks inserted into both sides of the surface of the connecting rod, a fixing sleeve screwed onto the surface of the connecting rod, the limit blocks embedded in the surface of the telescopic rod, a fixing ring sleeved on the surface of the telescopic rod, and multiple positioning blocks fixedly connected to the surface of the fixing ring. The advantages are: by inserting the telescopic rod into the surface of the connecting rod, the length of the telescopic rod can be adjusted in multiple stages through the cooperation of the fixing sleeve and the limit blocks, thus adapting to different working scenarios; the two different types of cutters at both ends of the telescopic rod improve the applicability of the device; and the fixing ring and positioning blocks on the surface of the telescopic rod allow for quick determination of the screw installation depth, ensuring installation quality and improving work efficiency.

Description

Technical Field

[0001] This utility model relates to the technical field of furniture installation tools, specifically a screw tightening tool for furniture installation. Background Technology

[0002] Manual screwdrivers, also known as screwdrivers or screwdrivers, are mainly used to tighten screws of various sizes during furniture assembly.

[0003] In the existing technology, manual screwdrivers mainly consist of a handle and a cutting head. The handle is ergonomically designed to improve grip comfort and the force exertion during operation. A replaceable cutting head mechanism is provided at the connection between the handle and the cutting head, enabling one screwdriver to be compatible with various screw sizes.

[0004] However, the guide length of screwdrivers is fixed. When working in narrow spaces, the excessively long guide cannot reach deep enough to operate. When dealing with screws that are far away or in deep holes, the length is insufficient, resulting in poor adaptability of screwdrivers. Furthermore, when installing screws, workers need to rely on experience to determine the installation depth, which can easily lead to screws being installed too shallowly or too deeply, thus affecting the quality of product assembly. Utility Model Content

[0005] The purpose of this utility model is to provide a screw tightening tool for furniture installation, so as to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a screw tightening tool for furniture assembly, comprising...

[0007] The handle has a connecting rod fixedly attached to its surface;

[0008] A telescopic rod is inserted into the surface of the connecting rod;

[0009] The telescopic rod is fixedly connected to a cross-shaped cutter head and a flat-head cutter head at both ends, respectively;

[0010] Limit blocks are inserted into both sides of the connecting rod surface;

[0011] A retaining sleeve is screwed onto the surface of the connecting rod;

[0012] The limiting block is embedded in the surface of the telescopic rod;

[0013] The surface of the telescopic rod is fitted with a retaining ring;

[0014] Multiple positioning blocks are fixedly connected to the surface of the fixed ring.

[0015] Preferably, the connecting rod has a hollow cylindrical structure, a threaded section on the surface of the connecting rod, a sliding groove on one end of the connecting rod, the sliding groove being an annular groove, and insertion holes on both sides of the surface of the sliding groove, the insertion holes being circular holes.

[0016] Preferably, the fixing sleeve is an annular plate structure with an "L" cross-section. The fixing sleeve is slidably connected to the surface of the sliding groove and presses against the surface of the limiting block. The inner wall surface of the fixing sleeve is provided with a threaded groove, and the threaded groove and the threaded part are matched and connected to each other.

[0017] Preferably, the limiting block is inserted into the socket, and a rubber hole is provided on the surface of the limiting block. A rubber block is fixedly connected to the center of the rubber hole, and the two ends of the rubber block are fixedly connected to the surface of the socket. The rubber block is in a stretched state.

[0018] Preferably, the telescopic rod has multiple arrayed limiting holes on both sides of its surface, and one end of the limiting block is embedded in the limiting hole to limit the telescopic rod. The limiting block has a cylindrical structure and one end of the limiting block has a bevel.

[0019] Preferably, a sealing gasket is fixedly connected to one end of the connecting rod, the sealing gasket is sandwiched between the surfaces of the connecting rod and the telescopic rod, and a rubber gasket is fitted onto the surface of the telescopic rod.

[0020] Preferably, the fixing ring is fixedly connected to the surface of the rubber pad, the fixing ring is a ring-shaped plate structure, and the positioning blocks are distributed in a circumferential array on one end surface of the rubber pad, the positioning blocks are arc-shaped plate structures with an "L" cross section.

[0021] Compared with the prior art, the beneficial effects of this utility model are:

[0022] The screw tightening tool for furniture assembly proposed in this utility model has a telescopic rod inserted into the surface of the connecting rod. Through the cooperation between the fixing sleeve and the limiting block, the length of the telescopic rod can be adjusted in multiple positions, so as to adapt to different working scenarios. Two different types of cutting heads are set at both ends of the telescopic rod, which improves the applicability of the device.

[0023] Setting a retaining ring and a positioning block on the surface of the telescopic pole allows for quick determination of the screw installation depth, ensuring installation quality and improving work efficiency. Attached Figure Description

[0024] Figure 1 This is a structural schematic diagram of the screw tightening tool for furniture assembly according to this utility model.

[0025] Figure 2 This is a partial structural diagram of the screw tightening tool for furniture assembly according to this utility model.

[0026] Figure 3 for Figure 2Enlarged schematic diagram of the structure at point A in the middle;

[0027] Figure 4 This is a partial schematic diagram of the connecting mechanism of this utility model;

[0028] Figure 5 This is a partial schematic diagram of the positioning mechanism used in this application.

[0029] In the diagram: 1. Tool holder; 2. Connecting rod; 3. Telescopic rod; 4. Fixing sleeve; 5. Cross-shaped cutter head; 6. Flat cutter head; 7. Fixing ring; 8. Positioning block; 9. Rubber pad; 10. Limiting hole; 11. Limiting block; 12. Rubber block; 13. Sealing gasket; 14. Threaded groove; 15. Threaded part; 16. Insertion hole; 17. Sliding groove. Detailed Implementation

[0030] To make the objectives, technical solutions, and advantages of this utility model clear and complete, the embodiments of this utility model will be further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only some, not all, embodiments of this utility model, and are merely used to explain the embodiments of this utility model. They are not intended to limit the embodiments of this utility model. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0031] Example 1

[0032] Please see Figures 1 to 2 This utility model provides a technical solution: a screw tightening tool for furniture installation, including a handle 1, a connecting rod 2 fixedly connected to the surface of the handle 1, a telescopic rod 3 inserted into the surface of the connecting rod 2, a scale marking on the surface of the telescopic rod 3 to accurately observe the movement distance of the fixing ring 7, a cross-shaped cutter head 5 and a flat-head cutter head 6 fixedly connected to both ends of the telescopic rod 3 respectively, limit blocks 11 inserted into both sides of the surface of the connecting rod 2, a fixing sleeve 4 screwed onto the surface of the connecting rod 2, the limit blocks 11 embedded in the surface of the telescopic rod 3, a fixing ring 7 sleeved on the surface of the telescopic rod 3, and multiple positioning blocks 8 fixedly connected to the surface of the fixing ring 7;

[0033] Telescopic rod 3 is inserted into the surface of connecting rod 2. Through the cooperation between fixing sleeve 4 and limiting block 11, the length of telescopic rod 3 can be adjusted in multiple positions to adapt to different working scenarios. Two different types of cutting heads are set at both ends of telescopic rod 3 to improve the applicability of the device. Fixing ring 7 and positioning block 8 are set on the surface of telescopic rod 3 to quickly determine the screw installation depth, ensure the quality of installation, and improve work efficiency.

[0034] Example 2

[0035] Please see Figures 1 to 4Based on Embodiment 1, in order to achieve the length adjustment between the telescopic rod 3 and the connecting rod 2, the connecting rod 2 has a hollow cylindrical structure, a threaded portion 15 is provided on the surface of the connecting rod 2, a sliding groove 17 is provided on one end surface of the connecting rod 2, the sliding groove 17 is an annular groove, and insertion holes 16 are provided on both sides of the surface of the sliding groove 17, the insertion holes 16 are circular holes, the fixing sleeve 4 has an annular plate structure with a cross section of "L", the fixing sleeve 4 is slidably connected to the surface of the sliding groove 17, the fixing sleeve 4 abuts against the surface of the limiting block 11, and a threaded groove 14 is provided on the inner wall surface of the fixing sleeve 4. The threaded groove 14 and the threaded portion 15 are matched and connected to each other. Through the mutual cooperation of the threaded groove 14 and the threaded portion 15, when the fixing sleeve 4 is rotated to the appropriate position, the fixing sleeve 4 will not move on its own without external force to rotate again, thereby ensuring the limiting effect of the limiting block 11 on the telescopic rod 3;

[0036] The limiting block 11 is inserted into the insertion hole 16. A rubber hole is provided on the surface of the limiting block 11. A rubber block 12 is fixedly connected to the center of the rubber hole. The two ends of the rubber block 12 are fixedly connected to the surface of the insertion hole 16. The rubber block 12 is in a stretched state, which provides elastic restoring force for the limiting block 11. When the fixing sleeve 4 rotates to make the limiting block 11 disengage from the limiting hole 10, the elastic force of the rubber block 12 will keep the limiting block 11 in a certain position, which is convenient for subsequent adjustment. After the adjustment is completed, the fixing sleeve 4 rotates in the opposite direction, and the elastic force of the rubber block 12 assists the limiting block 11 to quickly and accurately embed into the limiting hole 10.

[0037] Multiple limiting holes 10 are arranged in an array on both sides of the surface of the telescopic rod 3. The multiple limiting holes 10 realize the multi-level adjustment of the length of the telescopic rod 3. One end of the limiting block 11 is embedded in the limiting hole 10 to limit the telescopic rod 3. The limiting block 11 has a cylindrical structure. One end of the limiting block 11 has a bevel. One end of the bevel has a guiding function for the fixing sleeve 4, which makes it convenient for the fixing sleeve 4 to squeeze the limiting block 11.

[0038] Example 3

[0039] Please see Figures 1 to 5 Based on Embodiment 2, in order to limit the telescopic rod 3, a sealing gasket 13 is fixedly connected to one end surface of the connecting rod 2. The sealing gasket 13 is sandwiched between the surfaces of the connecting rod 2 and the telescopic rod 3. The sealing gasket 13 can prevent dust, moisture and other impurities from entering the connection part between the connecting rod 2 and the telescopic rod 3.

[0040] A rubber pad 9 is fitted on the surface of the telescopic rod 3. The rubber pad 9 can increase the friction between the fixing ring 7 and the telescopic rod 3 and prevent the fixing ring 7 from shaking randomly. The fixing ring 7 is fixedly connected to the surface of the rubber pad 9. The fixing ring 7 has a ring plate structure. The positioning blocks 8 are distributed in a circumferential array on one end surface of the rubber pad 9. The positioning blocks 8 have an arc plate structure with an "L" cross section, which facilitates contact with the surface of the workpiece for positioning.

[0041] In actual use, first screw on the fixing sleeve 4 so that the fixing sleeve 4 moves away from the limiting block 11 on the surface of the sliding groove 17. Then, the rubber block 12 on the surface of the limiting block 11 loses its pressure and returns to its original state from the stretched state. This causes the limiting blocks 11 on both sides to disengage from the limiting holes 10 on the surface of the telescopic rod 3. After adjusting to a suitable length, rotate the fixing sleeve 4 in the opposite direction so that the limiting blocks 11 are re-embedded in the corresponding limiting holes 10, thereby fixing the length of the telescopic rod 3. If different cutting heads are needed, repeat the above operation to completely pull the telescopic rod 3 out of the connecting rod 2 and then insert the telescopic rod 3 into the connecting rod 2 so that the limiting blocks 11 and the limiting holes 10 are re-corresponding.

[0042] When installing furniture panels, the fixing ring 7 is moved on the surface of the telescopic rod 3 according to the required tightening depth of the screws. The fixing ring 7 drives the positioning block 8 to move. During the screw tightening process, when the positioning block 8 contacts the workpiece surface, it indicates that the screw has reached the preset depth, reminding the user to stop the operation.

[0043] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A screw tightening tool for furniture assembly, characterized in that: include A knife handle, wherein a connecting rod is fixedly connected to the surface of the knife handle; A telescopic rod is inserted into the surface of the connecting rod; The telescopic rod is fixedly connected to a cross-shaped cutter head and a straight cutter head at both ends, respectively. Limiting blocks are inserted into both sides of the surface of the connecting rod; A fixing sleeve is screwed onto the surface of the connecting rod; The limiting block is embedded in the surface of the telescopic rod; A retaining ring is fitted onto the surface of the telescopic rod; Multiple positioning blocks are fixedly connected to the surface of the fixed ring.

2. The screw tightening tool for furniture assembly according to claim 1, characterized in that: The connecting rod has a hollow cylindrical structure, and a threaded section is provided on the surface of the connecting rod. A sliding groove is provided on one end of the connecting rod. The sliding groove is an annular groove. Insertion holes are provided on both sides of the surface of the sliding groove. The insertion holes are circular holes.

3. The screw tightening tool for furniture assembly according to claim 2, characterized in that: The fixing sleeve has an annular plate structure with an "L" cross-section. The fixing sleeve is slidably connected to the surface of the sliding groove and presses against the surface of the limiting block. The inner wall surface of the fixing sleeve is provided with a threaded groove, and the threaded groove and the threaded part are matched and connected to each other.

4. The screw tightening tool for furniture assembly according to claim 2, characterized in that: The limiting block is inserted into the socket. A rubber hole is provided on the surface of the limiting block. A rubber block is fixedly connected to the center of the rubber hole. The two ends of the rubber block are fixedly connected to the surface of the socket. The rubber block is in a stretched state.

5. The screw tightening tool for furniture assembly according to claim 1, characterized in that: The telescopic rod has multiple arrayed limiting holes on both sides of its surface. One end of the limiting block is embedded in the limiting hole to limit the telescopic rod. The limiting block has a cylindrical structure and one end of its surface has an inclined surface.

6. The screw tightening tool for furniture assembly according to claim 1, characterized in that: A sealing gasket is fixedly connected to one end of the connecting rod, and the sealing gasket is sandwiched between the surfaces of the connecting rod and the telescopic rod. A rubber gasket is fitted onto the surface of the telescopic rod.

7. The screw tightening tool for furniture assembly according to claim 1, characterized in that: The fixing ring is fixedly connected to the surface of the rubber pad. The fixing ring has an annular plate structure. The positioning blocks are distributed in a circumferential array on one end surface of the rubber pad. The positioning blocks have an arc-shaped plate structure with an "L" cross-section.

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