Welding nut convenient to position

Abstract

The welding nut comprises a nut body, the four corners of the nut body extend downwards to form welding feet lower than the bottom face of the nut body, a positioning structure is contained and slidably connected to the inner side of the nut body, and the bottom end of the positioning structure penetrates through the bottom end of the nut body and elastically extends towards the periphery. The elastic extending end of the positioning structure abuts against the side, opposite to the nut body, of the welding piece. Damping structures clamped in threads of the nut body are spirally arranged at intervals on the side wall of one end of the positioning structure accommodating the nut body in an elastic penetrating manner; the elastic extending end of the positioning structure is sleeved with a binding structure. The bottom wall end of the nut body is connected with a control structure lower than the bottom face of the welding foot in a lifting mode, and the control structure penetrates through and is positioned on the binding structure. The welding nut has the advantages that the welding nut can be automatically positioned with an opening of a welding part, so that the welding part can be conveniently and directly welded by a welding machine, and manual welding is not needed.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of nuts, in particular to a welded nut convenient to position. BACKGROUND

[0002] The welded nut is a nut suitable for welding on the outside of the nut, which is generally made of weldable material and comprises a nut body and a base. The base is connected to other parts through resistance spot welding, and the nut body is connected to a bolt through threads to form a fastener.

[0003] The existing welding process of the welded nut and the welding piece cannot be manually held, and needs to be positioned by a tool, which limits the use of the welded nut. The manual welding nut technology is difficult and requires high skill. In view of the related technologies in the above, the applicant proposes a welded nut which can be positioned with the opening of the welding piece, so that the welding machine can conveniently weld it directly without manual welding. CONTENT OF THE UTILITY MODEL

[0004] In order to enable the welded nut to be positioned with the opening of the welding piece, so that the welding machine can conveniently weld it directly without manual welding, the application provides a welded nut convenient to position.

[0005] The application provides a welded nut convenient to position, which adopts the following technical scheme:

[0006] The welded nut convenient to position comprises a nut body, the nut body has welding feet extending downward from four corners and lower than the bottom surface of the nut body, the inside of the nut body is provided with a positioning structure which is slidingly connected, the bottom end of the positioning structure penetrates the bottom end of the nut body and elastically extends to the periphery, and the elastically extended end of the positioning structure abuts against one side of the welding piece opposite to the nut body; the side wall of one end of the positioning structure is provided with a damping structure elastically penetrating the threads of the nut body in a helical and spaced manner; the elastically extended end of the positioning structure is provided with a collection structure; the bottom wall end of the nut body is connected with a control structure which is lower than the bottom surface of the welding feet and is positioned in the collection structure.

[0007] By adopting the above technical scheme, the positioning structure abuts against the welding piece through the elastically extended end, so that the nut can closely adhere to the surface of the welding piece before welding. The damping structure penetrating the threads is arranged in a helical and spaced manner and is clamped in the nut body, which not only enhances the stability of the positioning structure, but also facilitates the removal of the positioning structure after welding, so that the welded nut can be easily positioned without the clamping of the tool.

[0008] Preferably, the positioning structure comprises a positioning column, an extension rod and elastic positioning claws, the positioning column is accommodated in and lifted and connected to the threaded inner ring of the nut body, the extension rod is accommodated in the positioning column and extends downward, and the elastic positioning claws are respectively and elastically connected to the bottom ends of the extension rod and extend downward, the extension ends of the elastic positioning claws are lower than the side wall of the side of the welding piece relative to the nut body, and the elastic positioning claws horizontally expand toward the direction away from each other.

[0009] By adopting the above technical scheme, the elastic positioning claws are elastically connected to the bottom ends of the extension rod and can horizontally expand toward the direction away from each other, and such a design enables the positioning claws to adapt to the change in the hole diameter of the surface of the welding piece, thereby increasing the flexibility and universality of use.

[0010] Preferably, the damping structure comprises damping blocks, damping springs and guide inclined surfaces, the damping blocks are respectively and circumferentially arranged and disposed and pass through the side wall of the positioning column, the damping blocks are accommodated in the threaded outer ring of the nut body, the damping springs are accommodated between the damping blocks and the positioning column and drive the damping springs away from the positioning column, and the guide inclined surfaces are arranged on the side of the damping blocks close to the nut body and gradually approach the nut body from bottom to top.

[0011] Preferably, the damping structure comprises damping blocks, damping springs and guide inclined surfaces, the damping blocks are respectively and circumferentially arranged and disposed and pass through the side wall of the positioning column, the damping blocks are accommodated in the threaded outer ring of the nut body, the damping springs are accommodated between the damping blocks and the positioning column and drive the damping springs away from the positioning column, and the guide inclined surfaces are arranged on the side of the damping blocks close to the nut body and gradually approach the nut body from bottom to top.

[0012] By adopting the above technical scheme, the damping structure comprises damping blocks, damping springs and guide inclined surfaces, the damping blocks are respectively and circumferentially arranged and disposed and pass through the side wall of the positioning column, the damping blocks are accommodated in the threaded outer ring of the nut body, the damping springs are accommodated between the damping blocks and the positioning column and drive the damping springs away from the positioning column, and the guide inclined surfaces are arranged on the side of the damping blocks close to the nut body and gradually approach the nut body from bottom to top.

[0013] Preferably, the control structure comprises an abutting support and a clamping support, the abutting support is lifted and connected to the bottom wall of the nut body, and the bottom end of the abutting support is lower than the bottom end of the welding leg, the clamping support is fixed to the abutting support and extends downward, the length of the downward extending end of the clamping support is less than the distance between the bottom end of the abutting support and the bottom end of the welding leg, and the clamping support passes through the positioning piece from top to bottom.

[0014] Preferably, the damping structure further comprises a limiting cavity, the limiting cavity is arranged at the bottom end of the positioning column and located outside the extension rod, and the positioning piece is folded and accommodated in the limiting cavity.

[0015] In summary, the present application has at least one of the following beneficial technical effects:

[0016] 1. The positioning structure abuts the welding piece through the elastic extension end, ensuring that the nut can closely fit the surface of the welding piece before welding, and the damping structure arranged in the screw thread is clamped in the nut body through spiral interval arrangement, which not only enhances the stability of the positioning structure, but also facilitates the removal of the positioning structure after welding, so that the welded nut can be easily positioned without the clamping of the tooling.

[0017] 2. The converging tube can easily control the elastic positioning claw, so that the elastic positioning claw is expanded and abuts at a suitable position, and misoperation is not easy, and the structure is simple and reliable. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a top end structure schematic diagram of the embodiment of the present application;

[0019] Figure 2 is a bottom end structure schematic diagram of the embodiment of the present application;

[0020] Figure 3 is a side sectional view of the embodiment of the present application.

[0021] Marked as follows: 1, nut body; 2, welding foot; 3, positioning structure; 31, positioning column; 32, extension rod; 33, elastic positioning claw; 4, damping structure; 41, damping block; 42, damping spring; 43, guide slope; 5, converging structure; 51, converging tube; 52, converging spring; 53, positioning sheet; 54, limiting cavity; 6, control structure; 61, abutting support; 62, clamping support. DETAILED DESCRIPTION

[0022] The present application will be further described in detail below with reference to the accompanying drawings.

[0023] The embodiment of the present application discloses a welding nut convenient for positioning, referring to Figure 1 , 2 , comprising a nut body 1, the nut body 1 has a welding foot 2 extending downward at four corners below the bottom surface of the nut body 1, the nut body 1 has a positioning structure 3 for assisting the nut to be positioned on the welding piece and being slidingly connected, the positioning structure 3 comprises a positioning column 31, an extension rod 32 and an elastic positioning claw 33, the positioning column 31 is accommodated and liftingly connected to the inner thread of the nut body 1; the positioning column 31 is clamped in the nut body 1 through a damping structure 4, so as to connect the nut body 1.

[0024] Referring to Figure 2 , 3The damping structure 4 includes damping blocks 41, damping springs 42 and guide inclined surfaces 43. The damping blocks 41 are arranged in a circumferential spiral manner and are arranged through the side wall of the positioning column 31, so as to be matched at the thread inclined angle. The damping blocks 41 are accommodated in the thread outer ring of the nut body 1, so that the positioning column 31 is combined with the nut body 1. The damping springs 42 are accommodated between the damping blocks 41 and the positioning column 31, and drive the damping springs 42 away from the positioning column 31. The guide inclined surfaces 43 are arranged on the side of the damping blocks 41 close to the nut body 1. The guide inclined surfaces 43 gradually close to the nut body 1 from bottom to top, and contact the thread and are compressed, so that the positioning column 31 is separated from the nut body 1.

[0025] Referring to Figure 2 , 3 The extension rod 32 is accommodated in the positioning column 31 and extends downward. The elastic positioning claws 33 are elastically connected to the bottom ends of the extension rod 32 and extend downward. The extension ends of the elastic positioning claws 33 are lower than the side wall of the welding piece on the side of the nut body 1, and are horizontally expanded towards the direction away from each other. When the elastic positioning claws 33 are expanded, the nut body 1 is tightly attached to the welding piece, and the nut body 1 is aligned with the center of the opening of the welding piece, so as to be accurately positioned.

[0026] Referring to Figure 2 , 3 When the nut body 1 is placed, the elastic positioning claws 33 are contracted through the collection structure 5 and pass through the opening of the welding piece. The collection structure 5 includes a collection tube 51, a collection spring 52, positioning pieces 53 and a limiting cavity 54. The collection tube 51 is sleeved on the elastic positioning claws 33 and is slidably connected to the extension rod 32. One end of the collection spring 52 is fixed to the positioning column 31, and the other end is fixed and drives the collection tube 51 to ascend and be dislocated with the elastic positioning claws 33. The positioning pieces 53 are fixed to the side wall of the collection tube 51 and are arranged to be dislocated with the elastic positioning claws 33. The positioning pieces 53 extend towards the nut body 1 and are positioned through the control structure 6.

[0027] Referring to Figure 2 , 3 The control structure 6 includes abutting supports 61 and clamping supports 62. The abutting supports 61 are connected to the bottom wall of the nut body 1 in a lifting manner, and the bottom end of the abutting supports 61 is lower than the bottom end of the welding foot 2. The clamping supports 62 are fixed to the abutting supports 61 and extend downward. The downward extending end of the clamping supports 62 is shorter than the distance between the bottom end of the abutting supports 61 and the bottom end of the welding foot 2. The clamping supports 62 are arranged through the positioning pieces 53 from top to bottom.

[0028] Referring to Figure 2 , 3The limiting cavity 54 is arranged at the bottom end of the positioning column 31 and outside the extension rod 32, and the positioning sheet 53 is folded and accommodated in the limiting cavity 54, so that the positioning sheet 53 is accommodated in the limiting cavity 54 along with the collection tube 51, and the positioning sheet 53 is prevented from blocking the fitting between the nut body 1 and the welding part.

[0029] The working process of the present application is as follows: the nut is placed at the opening of the welding part, the elastic positioning claw 33 is collected and can pass through the opening, then the nut body 1 is pressed down, the abutting support 61 is close to the nut body 1, so that the clamping support 62 is gradually accommodated in the nut body 1, the positioning block originally clamped on the clamping support 62 is separated from the clamping of the clamping support 62, so that the collection tube 51 loses the limiting, the collection tube 51 is accommodated in the limiting cavity 54 along with the positioning sheet 53 under the traction of the collection spring 52, the elastic positioning claw 33 is elastically expanded after losing the limiting of the collection tube 51, and abuts on the opposite side of the nut body 1, and drives the nut body 1 to be close to the welding part, so that the positioning is completed, the welding nut is conveniently welded, and the positioning column 31 is separated from the nut body 1 after the welding by lightly pushing the positioning column 31.

[0030] The above are the preferred embodiments of the present application, and are not limited to the protection scope of the present application, so that: all equivalent changes made according to the structure, shape, principle of the present application should be covered in the protection scope of the present application.

Claims

1. A welding nut for facilitating positioning, comprising a nut body (1) downwardly extending from four corners of the nut body (1) with welding feet (2) lower than the bottom surface of the nut body (1), characterized in that: The nut body (1) is internally provided with a positioning structure (3) which is slidably connected, the bottom end of the positioning structure (3) is provided in the bottom end of the nut body (1) and is elastically extended to the periphery, and the elastically extended end of the positioning structure (3) is abutted against the side of the welding member opposite to the nut body (1); the side wall of one end of the nut body (1) is spirally and spacedly provided with a damping structure (4) which is elastically provided in the thread of the nut body (1); the elastically extended end of the positioning structure (3) is externally provided with a converging structure (5); the bottom wall of the nut body (1) is movably connected with a control structure (6) which is lower than the bottom surface of the welding leg (2), and the control structure (6) is provided in and positioned at the converging structure (5).

2. A weld nut for ease of positioning according to claim 1 wherein: The positioning structure (3) comprises a positioning column (31), an extension rod (32) and an elastic positioning claw (33), the positioning column (31) is movably connected in the thread inner ring of the nut body (1); the extension rod (32) is provided in the positioning column (31) and is extended downward; the elastic positioning claw (33) is elastically connected to the bottom end of the extension rod (32) and is extended downward, and the extended end of the elastic positioning claw (33) is lower than the side wall of the side of the welding member opposite to the nut body (1) and is horizontally expanded in the direction away from each other.

3. A weld nut for ease of positioning according to claim 2, wherein: The damping structure (4) comprises a damping block (41), a damping spring (42) and a guide inclined surface (43), the damping block (41) is circumferentially and spirally arranged and provided in the side wall of the positioning column (31), and the damping block (41) is provided in the thread outer ring of the nut body (1); the damping spring (42) is provided between the damping block (41) and the positioning column (31) and drives the damping spring (42) away from the positioning column (31); the guide inclined surface (43) is provided on the side of the damping block (41) close to the nut body (1), and the guide inclined surface (43) gradually approaches the nut body (1) from bottom to top.

4. A weld nut for ease of positioning according to claim 2, wherein: The converging structure (5) comprises a converging tube (51), a converging spring (52) and a positioning sheet (53), the converging tube (51) is sleeved on the elastic positioning claw (33) and is slidably connected to the extension rod (32); one end of the converging spring (52) is fixed to the positioning column (31), the other end is fixed and drives the converging tube (51) to ascend and be dislocated with the elastic positioning claw (33); the positioning sheet (53) is fixed to the side wall of the converging tube (51) and is extended and positioned toward the nut body (1), and the positioning sheet (53) is dislocated with the elastic positioning claw (33).

5. A weld nut for ease of positioning according to claim 4 wherein: The control structure (6) comprises an abutting support (61) and a clamping support (62), the abutting support (61) is movably connected to the bottom wall of the nut body (1), and the bottom end of the abutting support (61) is lower than the bottom end of the welding leg (2); the clamping support (62) is fixed to the abutting support (61) and is extended downward, and the downward extended end of the clamping support (62) is shorter than the distance between the bottom end of the abutting support (61) and the bottom end of the welding leg (2), and the clamping support (62) is provided in the positioning sheet (53) from top to bottom.

6. A weld nut for ease of positioning according to claim 4 wherein: The converging structure (5) further comprises a limiting cavity (54) which is arranged at the bottom end of the positioning column (31) and outside the extending rod (32), and the positioning sheet (53) is folded and accommodated in the limiting cavity (54).

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