Fastening tool for nut welding

By designing a fastening fixture and utilizing the cooperation of a drive handle and a locking rod, the nut welding process is simplified, solving the problem of time-consuming nut welding in existing technologies and improving welding efficiency.

CN224254586UActive Publication Date: 2026-05-19SHANGHAI QIANGYI FASTENER
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANGHAI QIANGYI FASTENER
Filing Date
2025-06-04
Publication Date
2026-05-19

AI Technical Summary

Technical Problem

In the existing technology, the nut welding process is time-consuming, especially when welding nuts to the fixed magnetic box housing. When welding nuts to the fixed magnetic box housing, it is necessary to screw the nut in through the through hole with a bolt, then weld and unscrew the bolt, which makes the operation cumbersome and time-consuming.

Method used

Design a fastening fixture including a base, a support, a drive handle, a connecting plate, and a locking rod. By rotating the drive handle, the locking rod can be engaged and disengaged from the nut, simplifying the nut welding process.

Benefits of technology

By simplifying the nut welding process, welding efficiency is improved, and the number of operation steps and time are reduced.

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Abstract

The utility model provides a fastening tool for nut welding. The fastening tool comprises a base, and a supporting seat is fixedly connected to the base; the driving handle is rotationally connected with the supporting seat around a first rotating axis; the connecting plate is rotationally connected with the driving handle around a second rotating axis; the locking rod is connected to the base in a sliding mode, and the locking rod is rotationally connected with the connecting plate around a third rotating axis; and the first rotating axis, the second rotating axis and the third rotating axis are arranged in parallel at intervals. The problem that in the prior art, in the welding process, a bolt penetrates through a through hole of a fixed magnetic box shell and then is in threaded connection with a nut, then the nut is welded to the fixed magnetic box shell, the bolt is screwed off after welding is completed, and the nut welding process is often time-consuming is solved.
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Description

Technical Field

[0001] This application belongs to the field of fastener technology, and more specifically, relates to a fastening tool for welding nuts. Background Technology

[0002] In practical applications, some objects are relatively thin, making it inconvenient to drill threaded holes on them, and it is also inconvenient to use nuts and bolts directly during use. Therefore, it is necessary to weld nuts onto these objects.

[0003] like Figure 4 As shown in the case, during the manufacturing process of the fixed magnetic box, the nut is often welded to the shell of the fixed magnetic box first. In the existing technology, the welding process involves first screwing the bolt through the through hole of the shell of the fixed magnetic box to the nut, and then welding the nut to the shell of the fixed magnetic box. After the welding is completed, the bolt is unscrewed. This process of welding the nut is often time-consuming.

[0004] Therefore, this application proposes a fastening fixture for nut welding to solve the above problems. Summary of the Invention

[0005] The purpose of this application is to provide a fastening fixture for nut welding, in order to solve the problem mentioned in the background art, in the prior art, the welding process is to first screw the bolt through the through hole of the fixed magnetic box housing and then weld the nut to the fixed magnetic box housing, and then unscrew the bolt after welding. This nut welding process is often time-consuming.

[0006] To achieve the above objectives, the technical solution adopted in this application is: a fastening fixture for welding nuts, comprising:

[0007] A base, on which a support is fixedly connected;

[0008] The drive handle is rotatably connected to the support base around the first rotation axis;

[0009] A connecting plate is rotatably connected to the drive handle about a second rotation axis;

[0010] A locking rod is slidably connected to the base, and the locking rod is rotatably connected to the connecting plate about a third rotation axis;

[0011] The first rotation axis, the second rotation axis, and the third rotation axis are parallel and spaced apart.

[0012] Preferably, the support base has two symmetrical through holes, and a first pin is connected to the two symmetrical through holes. The drive handle is rotatably connected to the support base through the first pin.

[0013] Preferably, there are two connecting plates, and the two connecting plates are rotatably connected to the drive handle via a second pin.

[0014] Preferably, a third pin is installed on the locking rod, and the two connecting plates are rotatably connected to both sides of the locking rod through the third pin.

[0015] Preferably, the base has a circular hole, a sliding sleeve is installed in the circular hole, one end of the sliding sleeve has an external thread structure, the external thread structure passes through the circular hole, and a locking nut is threaded onto the external thread structure, the locking nut is used to lock the sliding sleeve onto the base.

[0016] Preferably, the locking rod passes through the sliding sleeve, and the locking rod is slidably connected to the sliding sleeve.

[0017] Preferably, the drive handle has a locked position and an unlocked position;

[0018] When the drive handle is in the locked position, the first rotation axis, the second rotation axis and the third rotation axis are on the same horizontal plane, and the locking rod abuts against the target nut;

[0019] The drive handle is located in the unlocked position. The drive handle rotates around the first rotation axis and drives the connecting plate to rotate through the second pin, while simultaneously driving the connecting plate closer to the support seat. The connecting plate drives the locking rod to slide within the sliding sleeve through the third pin, and the locking rod disengages from contact with the target nut.

[0020] The beneficial effects of the fastening fixture for nut welding provided in this application are as follows:

[0021] 1. In use, install this fixture in the corresponding position on the welding platform, place the target nut and the target workpiece in the corresponding position on the welding platform, rotate the drive handle from the unlock position to the lock position, the drive handle drives the locking rod to slide along the sliding sleeve through the connecting plate and gradually abut against the target nut, finally locking the target nut in the corresponding position on the target workpiece; after welding is completed, rotate the drive handle from the lock position to the unlock position, the drive handle drives the locking rod to slide along the sliding sleeve through the connecting plate and gradually separate from the target nut. Attached Figure Description

[0022] To more clearly illustrate the technical solutions in the embodiments of this application, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0023] Figure 1 A three-dimensional structural schematic diagram provided for an embodiment of this application;

[0024] Figure 2 Provided for the embodiments of this application Figure 1 Explosion diagram;

[0025] Figure 3 A three-dimensional structural diagram of the support base and the base provided in the embodiments of this application;

[0026] Figure 4 This is a schematic diagram of the fixed magnetic box housing and target nut structure provided in an embodiment of this application.

[0027] The following are the labeling elements in the figure:

[0028] 1. Base; 101. Round hole; 2. Support base; 3. Drive handle; 4. Connecting plate; 5. Locking rod; 501. Abutment part; 6. First pin; 7. Second pin; 8. Third pin; 9. Locking nut; 10. Target workpiece; 11. Target nut; 12. Sliding sleeve. Detailed Implementation

[0029] To make the technical problems, technical solutions, and beneficial effects to be solved by this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and are not intended to limit the scope of this application.

[0030] It should be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on or indirectly on that other component. When a component is referred to as being "connected to" another component, it can be directly connected to or indirectly connected to that other component.

[0031] It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0032] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.

[0033] Please refer to the following: Figures 1 to 4 The following describes a fastening fixture for nut welding provided in an embodiment of this application.

[0034] The fastening fixture for nut welding includes: a base 1, a support 2, a drive handle 3, a connecting plate 4, and a locking rod 5.

[0035] Specifically, the support base 2 is fixed to the base 1 by welding; the drive handle 3 is rotatably connected to the support base 2 around the first rotation axis; the connecting plate 4 is rotatably connected to the drive handle 3 around the second rotation axis; the locking rod 5 is slidably connected to the base 1, and the locking rod 5 is rotatably connected to the connecting plate 4 around the third rotation axis. The end of the locking rod 5 away from the connecting plate 4 is provided with an abutment part 501, which is used to abut the target nut 11 against the target workpiece 10 during welding; wherein, the first rotation axis, the second rotation axis and the third rotation axis are parallel and spaced apart.

[0036] In a preferred embodiment, the support base 2 has two symmetrical through holes, and a first pin 6 is connected to the two symmetrical through holes. The drive handle 3 is rotatably connected to the support base 2 via the first pin 6. There are two connecting plates 4, which are rotatably connected to the drive handle 3 via a second pin 7. A third pin 8 is installed on the locking rod 5, and the two connecting plates 4 are rotatably connected to both sides of the locking rod 5 via the third pin 8.

[0037] In a preferred embodiment, the base 1 has a circular hole 101, and a sliding sleeve 12 is installed in the circular hole 101. One end of the sliding sleeve 12 has an external thread structure that passes through the circular hole 101. A locking nut 9 is threaded onto the external thread structure, and the locking nut 9 is used to lock the sliding sleeve 12 onto the base 1. A locking rod 5 passes through the sliding sleeve 12, and the locking rod 5 is slidably connected to the sliding sleeve 12.

[0038] In a preferred embodiment, the drive handle 3 has a locked position and an unlocked position. When the drive handle 3 is in the locked position, the first rotation axis, the second rotation axis, and the third rotation axis are on the same horizontal plane. At this time, the abutting part 501 of the locking rod 5 abuts the target nut 11 against the target workpiece 10. When the drive handle 3 is in the unlocked position, rotating the drive handle 3 causes it to rotate around the first rotation axis. Simultaneously, the drive handle 3 drives the connecting plate 4 to rotate via the second pin 7 and moves the connecting plate 4 closer to the support seat 2. Simultaneously, the connecting plate 4 drives the locking rod 5 to slide towards the support seat 2 within the sliding sleeve 12 as the connecting plate 4 rotates via the third pin 8. The locking rod 5 gradually disengages from contact with the target nut 11.

[0039] In use, install this fixture in the corresponding position on the welding platform, place the target nut 11 and the target workpiece 10 in the corresponding positions on the welding platform, rotate the drive handle 3 from the unlock position to the lock position, the drive handle 3 drives the locking rod 5 to slide along the sliding sleeve 12 through the connecting plate 4 and gradually abut against the target nut 11, finally locking the target nut 11 in the corresponding position on the target workpiece 10; after welding is completed, rotate the drive handle 3 from the lock position to the unlock position, the drive handle 3 drives the locking rod 5 to slide along the sliding sleeve 12 through the connecting plate 4 and gradually separate from the target nut 11.

[0040] The above description is merely a preferred embodiment of this application and is not intended to limit this application. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A fastening fixture for welding nuts, characterized in that, include: A base, on which a support is fixedly connected; The drive handle is rotatably connected to the support base around the first rotation axis; A connecting plate is rotatably connected to the drive handle about a second rotation axis; A locking rod is slidably connected to the base, and the locking rod is rotatably connected to the connecting plate about a third rotation axis; The first rotation axis, the second rotation axis, and the third rotation axis are parallel and spaced apart.

2. The fastening fixture for nut welding as described in claim 1, characterized in that: The support base has two symmetrical through holes, and a first pin is connected to the two symmetrical through holes. The drive handle is rotatably connected to the support base through the first pin.

3. A fastening fixture for nut welding as described in claim 2, characterized in that: The connecting plate has two parts, and the two connecting plates are rotatably connected to the drive handle by a second pin.

4. A fastening fixture for nut welding as described in claim 3, characterized in that: A third pin is installed on the locking rod, and the two connecting plates are rotatably connected to both sides of the locking rod through the third pin.

5. A fastening fixture for nut welding as described in claim 4, characterized in that: The base has a circular hole, and a sliding sleeve is installed in the circular hole. One end of the sliding sleeve has an external thread structure that passes through the circular hole. A locking nut is threaded onto the external thread structure to lock the sliding sleeve onto the base.

6. A fastening fixture for nut welding as described in claim 5, characterized in that: The locking rod passes through the sliding sleeve, and the locking rod is slidably connected to the sliding sleeve.

7. A fastening fixture for nut welding as described in claim 6, characterized in that: The drive handle has a locked position and an unlocked position; When the drive handle is in the locked position, the first rotation axis, the second rotation axis and the third rotation axis are on the same horizontal plane, and the locking rod abuts against the target nut; The drive handle is located in the unlocked position. The drive handle rotates around the first rotation axis and drives the connecting plate to rotate through the second pin, while simultaneously driving the connecting plate closer to the support seat. The connecting plate drives the locking rod to slide within the sliding sleeve through the third pin, and the locking rod disengages from contact with the target nut.