CN209604398U - A kind of ground connection weld bolt nut assembly - Google Patents

Abstract

The utility model discloses a kind of ground connection weld bolt nut assemblies, mainly include earth stud and fixture nut, and earth stud includes connecting pedestal, the terminal position seat being arranged on connection pedestal and the bolt body being arranged on terminal position seat；Fixture nut can be with bolt body threaded.The problem of grounding connection component provided by the utility model can effectively solve the problem that connecting terminal transfer, can not orient.

Description

A kind of ground connection weld bolt nut assembly

Technical field

The utility model relates to a kind of electric components, and in particular to a kind of grounding assembly.

Background technique

Automobile and some machinery equipments usually use ground terminal because of electrical design demand, and the most common ground terminal is just It is to be grounded weld bolt 11 and its matching component nut 12, as shown in Figure 1.

There is the problems such as assembly, welding in practical application in existing earth stud, wherein assembly problem strong influence The problem of its convenience used is urgent need to resolve.

Referring to fig. 2, bolt 11 is first welded on plate 13 by existing earth stud component first when installing and using, Nut 12 is opened, conductor terminal 14 is put into, then tightens nut 12.However it will appear terminal 14 in tightening nut assembling process Transfer, phenomena such as cannot orienting.In order to solve this problem, common means are the plastic parts for adding an anti-rotation, orientation, but this It will increase assembly technology complexity and cost.

Utility model content

For the problems of existing earth stud component, a kind of new grounding assembly is needed.

For this purpose, improving grounding connection the purpose of this utility model is to provide a kind of ground connection weld bolt nut assembly Reliability and convenience.

In order to achieve the above object, ground connection weld bolt nut assembly provided by the utility model, main includes ground connection spiral shell Bolt and fixture nut, the earth stud include connecting pedestal, the terminal position seat being arranged on connection pedestal and setting to exist Bolt body on terminal position seat；The fixture nut can be with bolt body threaded.

Further, the connection pedestal is multi-stage stairs structure.

Further, the supporting part that the connection pedestal includes polygon interconnecting piece and is arranged on interconnecting piece.

Further, the terminal position seat is multi-faceted column structure.

Further, edge is provided with guide surface at the top of the terminal position seat.

Further, the top of the bolt body is frustum cone structure.

Further, the earth stud is an integral molding structure.

Further, the fixture nut includes nut body, and the nut body, which offers to be spirally connected with bolt body, matches The screw hole of conjunction, the screw hole are in counter bore structure, and the big hole portion in bottom can cooperate with the terminal position seat on earth stud, top it is small Hole portion and bolt body threaded.

Further, the top of the nut body entirety is multi-faceted column structure.

Further, the bottom of the nut body is provided with flange chimb.

The problem of grounding connection component provided by the utility model can effectively solve the problem that connecting terminal transfer, can not orient, Without increasing any anti-rotation, directional, assembly technology can be effectively improved.

Furthermore this grounding connection assembly property stability is more superior, and reliability is higher, and failure risk is smaller.

Detailed description of the invention

The utility model is further illustrated below in conjunction with the drawings and specific embodiments.

Fig. 1 is the structural schematic diagram of existing ground connection weldering screw assembly；

Fig. 2 is the assembling schematic diagram of existing ground connection weldering screw assembly；

Fig. 3 is the structural schematic diagram of ground connection weld bolt nut assembly provided by the utility model；

Fig. 4 is the assembling schematic diagram of ground connection weld bolt nut assembly provided by the utility model；

Fig. 5 is the cross-sectional view of ground connection weld bolt nut assembly assembled state provided by the utility model.

Specific embodiment

In order to be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, under Face combines and is specifically illustrating, and the utility model is further described.

For the problem that tradition is grounded weldering nail, when assembling connecting terminal, there are transfers, can not orient, this example provides one Kind ground connection weld bolt nut assembly, improves the reliability and convenience of grounding connection.

Referring to Fig. 3 which shows be grounded the structural schematic diagram of weld bolt nut assembly 100 in this example.

As seen from the figure, this ground connection weld bolt nut assembly 100 is mainly mutual by earth stud 110 and fixture nut 120 Cooperation is constituted.Wherein, earth stud 110 is for being arranged placement connecting terminal 200, and to be arranged the connecting terminal 200 of placement into Row positioning and orientation；Fixture nut 120 and earth stud 110 cooperate, and connecting terminal 200 is pressed abd fixed on earth stud 110 On.

This earth stud 110 mainly by connection pedestal 111, the terminal position seat 112 being arranged on connection pedestal and is set The mutual cooperation of bolt body 113 set on terminal position seat is constituted.

Wherein, connection pedestal 111 is used for other component parts of bearing bolt, while as connecting component and other components (such as plate) is fixedly connected.

The connection pedestal 111 is multi-stage stairs structure, and two-stage step structure is used in this example, mainly includes that polygon connects The socket part 111a and supporting part 111b being arranged on interconnecting piece.

Polygon interconnecting piece 111a is specially multi-faceted column structure, is being fixedly connected in this way convenient for earth stud 110 When positioning；The top of polygon interconnecting piece 111a is provided with corresponding guide surface 111c in edge, is easily installed.

Supporting part 111b uses disc structure, and diameter is greater than the maximum outside diameter of polygon interconnecting piece 111a, thus may be used Cooperate with polygon interconnecting piece 111a, is formed with limit being fixedly connected in earth stud 110, while can be with terminal position Seat 112 cooperates, and completes the fixation of connecting terminal 200.

Further, this example is in the arc-shaped by the lateral surface setting of supporting part 111b, improves entire earth stud 110 Operate convenience.

Terminal position seat 112 in this earth stud 110 is arranged on supporting part 111b, for being arranged placement wiring Terminal 200, and the connecting terminal 200 for being arranged placement is positioned and oriented.The terminal position seat 112 uses multi-faceted column knot Structure forms circumferential limit to the connecting terminal 200 being arranged by the multi-faceted column structure, avoids connecting terminal 200 relative to end Sub- positioning seat 112 rotates.

Further, this example edge at the top of terminal position seat along the circumferential direction of terminal position seat is provided with guide surface 112a improves the convenience that connecting terminal 200 is set in terminal position seat 112.It is flat that inclination can be used for guide surface 112a Face structure or arc surface structure.

The terminal position seat 112 of such structure is when implementing, preferably positive multi-faceted column structure, for how many number of edges used, Depending on actual needs.

Bolt body 113 in this earth stud 110 is arranged on terminal position seat 112, and outer diameter is less than bolt body 113 outer diameter, and surface is provided with external screw thread.Meanwhile the top of the bolt body 113 is set as frustum cone structure, thus It improves the guide angle of bolt head, is assembled on bolt convenient for terminal.

According to the earth stud 110 that above scheme is constituted, integrated formed structure is used in the specific implementation, is both convenient in this way Production, and can guarantee the intensity and reliability of entire earth stud 110.

The generally hollow column structure of fixture nut 120 in this component 100.It includes nut body 121, the nut Ontology offers screw hole 122 along its axial direction, the bolt body 113 and terminal position seat on the screw hole 122 and earth stud 110 112 cooperation, with to be arranged be placed on terminal position seat 112 connecting terminal 200 formation be fixed.

Referring to Fig. 5, which preferably uses counter bore structure, the small hole portion of big hole portion 122a and top including bottom 122b is interconnected between the two, and wherein the terminal position seat 112 on the internal diameter and earth stud of the big hole portion 122a in bottom is outer Diameter matches, and fixture nut 120 is set on terminal position seat 112；And the small hole portion 122b on top, on inner wall It is provided with the internal screw thread matched with external screw thread on bolt body, is used for and bolt body threaded.

Furthermore the lower part 121a of this nut body 121 is cylindrical structure, while top is multi-faceted column structure, as Operation portion, the operation convenient for external tool to nut.Here multi-faceted column structure preferably uses positive multi-faceted column structure, for Using how many number of edges, depending on actual needs；Meanwhile as needed can at the top of it circumferential direction of the edge along nut body It is provided with guide surface.

Since when disposing connecting terminal 200, nut body 121 needs pair of wire connection terminals 200 to form pressing force, in order to mention Height compresses effect and reliability, this example are provided with flange chimb along the circumferential direction of nut body in the bottom margin of nut body 121c compresses effect and reliability to improve to improve the contact area of pair of wire connection terminals 200.

According to the fixture nut 120 that above scheme is constituted, integrated formed structure is used in the specific implementation, is both convenient in this way Production, and can guarantee the intensity and reliability of entire fixture nut 120.

Thus above scheme is it is found that 100 scheme of ground connection weld bolt nut assembly that this example provides can effectively solve the problem that The transfer of connecting terminal, orientation problem reduce entire component count, reduce the complexity of assembly technology, to effectively reduce whole The economic cost of a assembly technology improves product competitiveness.

For 100 scheme of ground connection weld bolt nut assembly that this example provides, illustratively its application process below.

Referring to fig. 4 and Fig. 5, this ground connection weld bolt nut assembly 100, first will ground connection when assembling connecting terminal 200 Setting is fixed by its pedestal in bolt 110.

Then, connecting terminal 200 is set on the terminal position seat 112 on earth stud 110；It is first when sheathed setting First according to required direction, location status of the connecting terminal 200 relative to terminal position seat 112 is adjusted；Mounting and adjusting is good again State is directly set on terminal position seat 112.Terminal position seat 112 is based on its wiring of multi-faceted column structure to being arranged at this time Terminal 200 forms circumferential limit, and connecting terminal 200 is avoided to rotate relative to terminal position seat 112.

Then, fixture nut 120 is set on earth stud 110, the spiral shell in fixture nut 120 and earth stud 110 113 threaded of bolt ontology, by constantly rotary fixing screw mother 120 so that fixture nut 120 along bolt body 113 towards The terminal position seat 112 of 113 bottom of bolt body is mobile, until connecting terminal 200 is pressed abd fixed on ground connection spiral shell by bottom end face On the connection pedestal 111 of bolt 110.During fixture nut 120 is spirally connected by rotation to compress connecting terminal 200, wiring Limit of the terminal 200 by the terminal position seat 112 of multi-faceted column structure will not follow fixture nut 120 to rotate, and it is fixed to guarantee To setting.

From the foregoing, it will be observed that this example approach uses the terminal position seat 112 of regular polygon, i.e., it is packed into convenient for connecting terminal, again It can be realized the limit of connecting terminal 200, to solve the transfer of existing harness, be unable to orientation problem.Meanwhile this programme is not necessarily to Using additional orientation plastic part, the complexity of assembling process is reduced.

Furthermore since the bottom end of fixture nut 120 is additionally provided with flange chimb 121c, the fixture nut of such structure 120 cooperate with terminal position seat 112, can guarantee the effect that is fixed of pair of wire connection terminals 200, guarantee connecting terminal 200 with Connection effect between earth stud 110, substantially reduces failure risk.

Basic principles, main features, and advantages of the present invention has been shown and described above.Current row The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model Claimed range is defined by the appending claims and its equivalent thereof.

Claims (10)

1. It mainly include earth stud and fixture nut, which is characterized in that the earth stud 1. being grounded weld bolt nut assembly Including connection pedestal, the terminal position seat being arranged on connection pedestal and the bolt body being arranged on terminal position seat；Institute Stating fixture nut can be with bolt body threaded.
2. 2. ground connection weld bolt nut assembly according to claim 1, which is characterized in that the connection pedestal is multistage platform Stage structure.
3. 3. ground connection weld bolt nut assembly according to claim 2, which is characterized in that the connection pedestal includes polygon Shape interconnecting piece and the supporting part being arranged on interconnecting piece.
4. 4. ground connection weld bolt nut assembly according to claim 1, which is characterized in that the terminal position seat is multi-panel Column structure.
5. 5. ground connection weld bolt nut assembly according to claim 4, which is characterized in that the terminal position seat top sides Guide surface is provided at angle.
6. 6. ground connection weld bolt nut assembly according to claim 1, which is characterized in that the top of the bolt body is Frustum cone structure.
7. 7. ground connection weld bolt nut assembly according to claim 1 to 6, which is characterized in that the ground connection spiral shell Bolt is an integral molding structure.
8. 8. ground connection weld bolt nut assembly according to claim 1, which is characterized in that the fixture nut includes nut Ontology, the nut body offer the screw hole with bolt body threaded, and the screw hole is in counter bore structure, the big hole portion in bottom It can cooperate with the terminal position seat on earth stud, the small hole portion and bolt body threaded on top.
9. 9. ground connection weld bolt nut assembly according to claim 8, which is characterized in that whole upper of the nut body Portion is multi-faceted column structure.
10. 10. ground connection weld bolt nut assembly according to claim 8, which is characterized in that the bottom of the nut body It is provided with flange chimb.