CN217399778U - Grounding stud assembly and excavator - Google Patents
Grounding stud assembly and excavator Download PDFInfo
- Publication number
- CN217399778U CN217399778U CN202220923199.5U CN202220923199U CN217399778U CN 217399778 U CN217399778 U CN 217399778U CN 202220923199 U CN202220923199 U CN 202220923199U CN 217399778 U CN217399778 U CN 217399778U
- Authority
- CN
- China
- Prior art keywords
- stud
- ground
- plane
- ground plane
- nut
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Body Structure For Vehicles (AREA)
Abstract
The utility model relates to the field of engineering machinery, a ground stud assembly and an excavator are provided, a stud comprises a stud body and a stud end positioned at one end of the stud body, a ground plane surrounding the stud body is formed at one end of the stud end connected with the stud body, one end of the stud end departing from the ground plane is a positioning surface, the ground plane faces the positioning surface, and the stud end gradually increases from small to large; the nut is suitable for being screwed on the stud body and abutted against the ground plane, one end, attached to the end head of the stud, of the nut is a protection surface, and the protection surface is matched with the ground plane. The structural design of the welding end is adopted in the embodiment, so that the ground plane is not damaged during welding, and the integrity of the ground plane is effectively ensured.
Description
Technical Field
The utility model relates to an engineering machine tool technical field especially relates to a ground connection stud subassembly and excavator.
Background
At present, wire holders in various forms are welded on a frame platform, a special paster is used for protecting the contact surface of the wire holder and a wire harness terminal during paint spraying, then the paster is removed during wire harness assembling, and the wire harness terminal is fixedly grounded through bolts and gaskets. In other industries, a ground platform is manufactured by using a stud projection welding mode, and the stud nut structure is protected by a ground surface. However, in a general stud-nut structure, when a welding method such as spot welding is used, the ground surface is easily damaged.
SUMMERY OF THE UTILITY MODEL
The utility model provides a ground connection stud subassembly to solve the problem that current stud nut structure hindered the ground face easily when the welding, through the structural design of welded end, make the ground face can not hindered during the welding.
In a first aspect, the utility model provides a ground stud subassembly, include:
the stud comprises a stud body and a stud end positioned at one end of the stud body, a ground plane surrounding the stud body is formed at one end of the stud end connected with the stud body, a positioning plane is arranged at one end of the stud end departing from the ground plane, and the stud end gradually increases from small to large in the direction from the ground plane to the positioning plane;
the nut is suitable for being screwed on the stud body and abutted against the ground plane, one end, attached to the end head of the stud, of the nut is a protection surface, and the protection surface is matched with the ground plane.
According to an embodiment of the utility model, the double-screw bolt end is frustum form.
According to the utility model discloses an embodiment, the lateral wall of double-screw bolt end is equipped with the welding plane, the welding plane with the axis of double-screw bolt end is parallel.
According to the utility model discloses an embodiment, the welding plane includes two, two the welding plane is about the axis symmetry of double-screw bolt end.
According to an embodiment of the present invention, the top surface of the soldering plane and the ground plane are spaced apart from each other.
According to the utility model discloses an embodiment, the double-screw bolt body with one section surface that the ground plane is adjacent sets up to regular polygon face for install ground terminal.
According to the utility model discloses an embodiment, the double-screw bolt body still be equipped with one section with the adjacent external screw thread of regular polygon face.
According to the utility model discloses an embodiment, the through-hole of nut be equipped with external screw thread assorted internal thread, the nut is located the outer through-hole internal diameter of regular polygon surface is greater than the maximum width of regular polygon surface.
According to an embodiment of the present invention, the stud outer surface is coated with an anti-rust coating.
The second aspect, the utility model provides an excavator is equipped with frame platform and above-mentioned ground connection double-screw bolt subassembly, the ground connection double-screw bolt subassembly passes through locating surface location and weld in frame platform, the earthing terminal cover is located the double-screw bolt body, the nut is twisted and is located the double-screw bolt body and fasten in the earthing terminal.
The utility model provides a ground connection double-screw bolt subassembly, the one end that the double-screw bolt end of double-screw bolt deviates from the ground plane is the locating surface, the locating surface is used for the location and welds on treating the welded platform, by the ground plane towards the direction of locating surface, the double-screw bolt end is by little grow gradually, the locating surface that forms from this is greater than the ground plane, so set up, when welding along the periphery of locating surface, can all avoid the ground plane at horizontal direction and vertical direction, damage the ground plane when can avoiding welding from this, thereby effectively protect the ground plane, ensure the integrality in ground plane.
And the nut is suitable for being screwed on the stud body and abutted against the ground surface, one end of the nut, which is attached to the end head of the stud, is a protection surface, the protection surface is matched with the ground surface, the protection surface and the ground surface are both annular surfaces, the areas of the protection surface and the ground surface are the same, the nut is arranged to protect the ground surface, and the ground surface is not exposed outside, so that extra protective measures are not needed when the frame is sprayed with paint.
Furthermore, the side wall of the stud end is provided with a welding plane, the welding plane is parallel to the axis of the stud end, and the ground plane is further protected from being damaged during welding by the welding plane, so that welding is facilitated.
Further, a space is reserved between the top surface of the welding plane and the ground plane, so that the ground plane can be prevented from being contacted during welding.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is an axial cross-sectional view of a ground stud assembly welded to a frame platform according to the present invention;
FIG. 2 is a schematic view of the ground stud assembly and ground terminal of FIG. 1 after assembly;
FIG. 3 is an exploded view of FIG. 2;
fig. 4 is a schematic top view of a stud according to the present invention;
reference numerals:
1: a stud; 11: the end of the stud; 111: a ground plane; 112: a positioning surface; 113: welding a plane; 12: a stud body; 121: a regular polygonal surface; 2: a nut; 21: a protective surface; 3: a ground terminal; 4: a frame platform; 5: and (4) a build-up welding area.
Detailed Description
To make the objects, technical solutions and advantages of the present invention clearer, the drawings of the present invention are combined to clearly and completely describe the technical solutions of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Embodiments of the present invention are described below with reference to fig. 1 to 4.
In a first aspect, the present invention provides a ground stud assembly, which mainly comprises a stud 1 and a nut 2.
Specifically, the stud 1 includes a stud body 12 and a stud end 11 located at one end of the stud body 12, the stud end 11 and the stud body 12 are integrally formed, the two are connected to form a "T" shape, a ground plane 111 surrounding the stud body 12 is formed at one end where the stud end 11 is connected with the stud body 12, the ground plane 111 is convenient for grounding of the ground terminal 3, one end of the stud end 11 away from the ground plane 111 is a positioning plane 112, the positioning plane 112 is used for welding on a platform to be welded, such as a frame platform 4 below, so as to fix the stud 1 on the platform to be welded, in a direction from the ground plane 111 to the positioning plane 112, the stud end 11 gradually increases from small to large, so that the formed positioning plane 112 is larger than the ground plane 111, that is, an orthographic projection of the ground plane 111 toward the positioning plane 112 is located within an area of the positioning plane 112, and thus configured, when welding is performed along an outer periphery of the positioning plane 112, the ground plane 111 can be avoided in both the horizontal direction and the vertical direction, so that the ground plane 111 can be prevented from being damaged during welding, the ground plane 111 is effectively protected, and the integrity of the ground plane 111 is ensured.
Specifically, the nut 2 is suitable for being screwed on the stud body 12 and abutted against the ground plane 111, one end, attached to the stud end 11, of the nut 2 is a protection surface 21, the protection surface 21 is matched with the ground plane 111, the protection surface 21 and the ground plane 111 are both annular surfaces, the areas of the protection surface 21 and the ground plane 111 are the same, the nut 2 is arranged to protect the ground plane 111, the ground plane 111 is not exposed, and therefore extra protection measures are not needed when a vehicle frame is painted.
The ground stud assembly of the embodiment is a material assembly part, and is directly welded on the frame platform 4 before painting to form a build-up welding area 5. With the stud 1 of the structure, the solder is positioned around the positioning surface 112, so that the matching surfaces of the stud 1 and the nut 2 are not damaged, and the integrity of the ground plane 111 is effectively ensured.
According to an embodiment of the present invention, the stud end 11 is frustum-shaped, so that the area of the positioning surface 112 is larger than the ground surface 111.
In order to facilitate welding, the side wall of the stud end 11 is provided with a welding plane 113, the welding plane 113 is parallel to the axis of the stud end 11, and the ground plane 111 is further protected from being damaged during welding by the welding plane 113.
In order to apply an even welding force to the stud 1, according to an embodiment of the present invention, the welding planes 113 include two, and the two welding planes 113 are symmetrical with respect to the axis of the stud head 11. The welding of the present embodiment may be spot welding, laser welding, arc drawing welding, etc., and in the welding, welding is performed from two welding planes 113, and the welding material of the welding planes 113 is melted and welded on the frame platform 4.
According to an embodiment of the present invention, a space is left between the top surface of the soldering plane 113 and the ground plane 111, so that the ground plane 111 can be prevented from being touched during soldering.
In order to avoid the rotation of the grounding terminal 3 after installation, as shown in fig. 4, according to the utility model discloses an embodiment, a section surface that stud body 12 and ground plane 111 are adjacent sets up to regular polygon face 121, and the center of grounding terminal 3 is equipped with regular polygon hole, establishes outside regular polygon face 121 of stud body 12 through regular polygon hole cover, both mating connection to can guarantee that grounding terminal 3 can not rotate after the installation, ensure the reliability of ground connection. The regular polygonal surface 121 is not limited to the regular polygonal surface, and other non-circular surfaces may be used.
In order to facilitate connection with the nut 2, according to the utility model discloses an embodiment, the stud body 12 still is equipped with one section and the adjacent external screw thread of regular polygon face 121.
According to the utility model discloses an embodiment, the through-hole of nut 2 be equipped with external screw thread assorted internal thread, in order not to take place to interfere with regular polygon face 121 when screwing nut 2, the through-hole internal diameter that nut 2 is located outside regular polygon face 121 is greater than the maximum width of regular polygon face 121.
According to the utility model discloses an embodiment, stud 1 surface scribbles the anti-rust coating, reduces to lead to the bad fault of ground connection because of ground plane 111 rusts.
In a second aspect, the utility model provides an excavator is equipped with frame platform 4 and above-mentioned ground connection stud subassembly, and the ground connection stud subassembly passes through locating surface 112 location and welds in frame platform 4, and stud body 12 is located to the 3 covers of ground terminal, and nut 2 is twisted and is located stud body 12 and fasten in ground terminal 3. By arranging the grounding stud component, welding damage to the grounding surface 111 can be avoided during spot welding, and the grounding effect is ensured.
The assembly process of this embodiment is: after the excavator frame is finished, the excavator frame is conveyed to a final assembly workshop, when the assembly workshop is used for assembling the wiring harness, the nut 2 only needs to be loosened and detached, and the nut 2 is fixed after the grounding terminal 3 is assembled.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. A ground stud assembly, comprising:
the stud comprises a stud body and a stud end positioned at one end of the stud body, a ground plane surrounding the stud body is formed at one end of the stud end connected with the stud body, a positioning plane is arranged at one end of the stud end departing from the ground plane, and the stud end gradually increases from small to large in the direction from the ground plane to the positioning plane;
the nut is suitable for being screwed on the stud body and abutted against the ground plane, one end, attached to the end head of the stud, of the nut is a protection surface, and the protection surface is matched with the ground plane.
2. The ground stud assembly of claim 1, wherein the stud tip is frustoconical.
3. The ground stud assembly of claim 2, wherein the stud stub has a side wall provided with a weld plane, the weld plane being parallel to an axis of the stud stub.
4. The ground stud assembly of claim 3, wherein the weld planes comprise two, the two weld planes being symmetric about an axis of the stud stub.
5. The ground stud assembly of claim 3, wherein a top surface of the solder plane is spaced from the ground plane.
6. The ground stud assembly of claim 1, wherein a length of the outer surface of the stud body adjacent the ground plane is configured as a regular polygonal surface for mounting a ground terminal.
7. The ground stud assembly of claim 6, wherein the stud body is further provided with an external thread adjacent the regular polygonal face.
8. The ground stud assembly of claim 7, wherein the through-bore of the nut is internally threaded to mate with the external threads, and wherein the nut has an internal diameter of the through-bore outside the regular polygonal face that is greater than a maximum width of the regular polygonal face.
9. The ground stud assembly of any one of claims 1-8, wherein the stud outer surface is coated with a rust resistant coating.
10. An excavator, which is provided with a frame platform and is characterized in that the excavator is further provided with a grounding stud component according to any one of claims 1 to 9, the grounding stud component is positioned and welded on the frame platform through the positioning surface, a grounding terminal is sleeved on the stud body, and a nut is screwed on the stud body and fastened on the grounding terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220923199.5U CN217399778U (en) | 2022-04-20 | 2022-04-20 | Grounding stud assembly and excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220923199.5U CN217399778U (en) | 2022-04-20 | 2022-04-20 | Grounding stud assembly and excavator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217399778U true CN217399778U (en) | 2022-09-09 |
Family
ID=83143240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220923199.5U Active CN217399778U (en) | 2022-04-20 | 2022-04-20 | Grounding stud assembly and excavator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217399778U (en) |
-
2022
- 2022-04-20 CN CN202220923199.5U patent/CN217399778U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8523505B2 (en) | Fastening arrangement | |
| US4650274A (en) | Weld-on nut for grounding terminal | |
| US5442133A (en) | Grounding stud/nut | |
| US20150204370A1 (en) | Earth bolt | |
| AU2011288685B2 (en) | Electrically conducting screw connection and special screw for such a screw connection | |
| US7854615B1 (en) | Rotational connector for welding torch | |
| US10381793B2 (en) | Ground connection structure | |
| CN217399778U (en) | Grounding stud assembly and excavator | |
| CN202716825U (en) | Body ground structure | |
| US6433278B1 (en) | Attachment device with cap | |
| CN108155490B (en) | Public grounding structure and use method thereof | |
| US8191923B2 (en) | Electrical earth connection and method of producing contact areas for the electrical earth connection | |
| US11735837B2 (en) | Electrical ground strap assemblies providing increased point of contact between a terminal and a bolt | |
| CN114932024B (en) | Electrostatic spraying device for hub and electrostatic spraying process thereof | |
| JP4670706B2 (en) | Work processing tool and work processing method | |
| CN207967335U (en) | A kind of common ground structure | |
| CN105552690A (en) | Negative ground bolt installation method for vehicle body in white and vehicle | |
| CN109624889B (en) | Frame bonding protection device and protection method | |
| CN210371551U (en) | Novel bonding bolt assembly | |
| CA3096331A1 (en) | Electrical ground strap assembly | |
| CN220021855U (en) | Copper line and aluminium bar line switching structure | |
| CN212290293U (en) | Rudder shaft convenient to process | |
| CN220659506U (en) | Welding contact tip for arc welding | |
| CA3149218A1 (en) | Electrical ground strap assemblies providing increased point of contact between a terminal and a bolt | |
| CN215850560U (en) | Wheel hub structure and vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |