CN211550220U

CN211550220U - Bonding bolt

Info

Publication number: CN211550220U
Application number: CN201922369341.7U
Authority: CN
Inventors: 潘贻华; 吴伟清; 柳煜; 潘泽宇
Original assignee: Zhejiang Lihang Automobile Parts Co ltd
Current assignee: Zhejiang Lihang Automobile Parts Co ltd
Priority date: 2019-12-24
Filing date: 2019-12-24
Publication date: 2020-09-22
Anticipated expiration: 2029-12-24

Abstract

The utility model discloses a bonding bolt relates to the technical field of a bolt, and its technical scheme main points include hexagonal piece and screw rod, hexagonal piece and screw rod fixed connection, its characterized in that: the fixed slot has been seted up on the screw rod, the fixed slot is connected with the conducting strip through locking mechanical system, locking mechanical system includes rotates the operation panel of being connected with the conducting strip, the operation panel is opened and is equipped with the breach, including arcwall face and parallel surface on the conducting strip, the operation groove that agrees with the operation panel is seted up to the conducting strip, the arc wall has been seted up in the fixed slot, the arc wall internal diameter is the same with the internal diameter of operation groove, works as move along the axis direction of operation groove with the restriction conducting strip when the operation panel is embedded into in the arc wall, the utility model discloses have the effect of conveniently changing the conducting strip.

Description

Bonding bolt

Technical Field

The utility model relates to a technical field of bolt, more specifically say that it relates to a bonding bolt.

Background

The electric system of the automobile uses direct current, all the circuits have positive poles and negative poles, the general automobile circuit adopts a single wire system, namely, a positive pole wire of the storage battery is directly connected with each electric device, a negative pole wire of the storage battery is directly lapped on a metal piece of an automobile body, a negative pole wire of the electric device is nearby lapped on a chassis and the metal piece of the automobile body, an engine, the chassis (a frame or an auxiliary frame) of the automobile and an automobile body metal plate are used as a common channel, and the mode of connecting the negative pole wire with the automobile body is called as bonding and also called as grounding. The bonding plays an important role in the automobile circuit, so the quality of the bonding state is the key of the quality of the automobile electric appliance. Poor vehicle grounding results in many failures such as loosening of engine grounding wire fastening bolts, or rust and corrosion of grounding wire joints resulting in increased electrical resistance, which can result in poor contact, resulting in voltage drop F or operational failure.

At present, chinese patent No. CN204186742U discloses a bolt, which includes a head and a screw, wherein the screw is externally provided with a thread, the head is provided with a plurality of protruding blades in the radial direction toward the screw, the thread section of the screw is provided with an embossing area for removing paint coated in the nut, the outer diameter of the thread of the embossing area is smaller than that of the threads of other parts, and the joint of the thread of the embossing area and the threads of other parts forms a cutting surface.

However, the common bonding bolt basically scrapes off paint on the outer surface of the bolt and the inner surface of the nut and then connects the outer surface of the bolt and the nut, so that circuits of the bolt and the nut are communicated when the two are connected with electric wires, in addition, a conducting strip with better conducting performance can be placed in the stamping area, so that the conducting performance is further improved, and when the conducting strip and the surface of the stamping area are easily damaged under the conditions of circuit short circuit or other conditions, the bolt needs to be replaced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a to the not enough of prior art existence, the utility model provides a bonding bolt has the effect of conveniently changing the conducting strip.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a bonding bolt, includes hexagonal piece and screw rod, hexagonal piece and screw rod fixed connection have seted up the fixed slot on the screw rod, the fixed slot is connected with the conducting strip through locking mechanical system, locking mechanical system includes the operation panel of being connected with the conducting strip rotation, the operation panel is opened and is equipped with the breach, include arcwall face and parallel surface on the conducting strip, the operation groove that agrees with the operation panel is seted up to the conducting strip, the arc wall has been seted up in the fixed slot, the arc wall internal diameter is the same with the internal diameter of operation groove, works as when the operation panel is embedded into in the arc wall with the axis direction removal of restriction conducting strip along the operation groove.

By adopting the technical scheme, when the conducting plate and the screw rod are connected, the conducting plate is firstly embedded into the fixed groove, so that the arc-shaped groove is aligned with the operating groove, the operating disc is driven to rotate, the operating disc is embedded into the arc-shaped groove, and the conducting plate is connected with the screw rod; when the operation plate is separated, the operation plate is driven to rotate, so that the operation plate is separated from the arc-shaped groove, and then the operation plate is separated from the screw rod.

The utility model discloses further set up to: and one end of the operating panel, which is far away from the conducting plate, is provided with a cross groove.

Through adopting above-mentioned technical scheme, can make things convenient for the staff to rotate through instrument drive operation panel through the cross recess.

The utility model discloses further set up to: the circumference of the operation groove is fixedly connected with a positioning block, and the arc-shaped surface is provided with a positioning groove.

Through adopting above-mentioned technical scheme, in the constant head tank was embedded into to the locating piece, can restrict the operation panel and rotate.

The utility model discloses further set up to: the conducting strip is provided with a plurality of, a plurality of conducting strip along the axis direction array distribution of screw rod.

Through adopting above-mentioned technical scheme, the conducting strip is provided with a plurality ofly, and when one of them conducting strip damaged, other conducting strip can also use, can increase the life of bolt.

The utility model discloses further set up to: and a fixing ring groove is formed in one end, close to the hexagonal block, of the circumferential surface of the screw.

Through adopting above-mentioned technical scheme, set up fixed ring groove and make bolt metal part expose, conveniently with electric wire and bolted connection.

The utility model discloses further set up to: and a flat gasket is arranged on the screw rod.

Through adopting above-mentioned technical scheme, set up the plain washer and can prevent hexagonal piece direct contact article, set up the operation panel in addition and can increase, sharing pressure that can be better.

The utility model discloses further set up to: and one end of the screw rod, which is far away from the hexagonal block, is provided with a scraping groove.

Through adopting above-mentioned technical scheme, when the screw rod is connected with the nut, can strike off the paint of nut inside through scraping the groove.

The utility model discloses further set up to: the scraping groove is a fan-shaped groove.

Through adopting above-mentioned technical scheme, adopt the arc wall, can conveniently discharge the paint of scraping through fan-shaped groove or arc wall.

The utility model discloses further set up to: and one end of the screw rod, which is far away from the hexagonal block, is provided with a chamfer.

Through adopting above-mentioned technical scheme, set up the chamfer and make things convenient for the screw rod to insert the article nut in, be connected screw rod and nut.

To sum up, the utility model discloses following beneficial effect has:

1. driving the operation disc to rotate, so that the operation disc is embedded into the arc-shaped groove, and the conducting strip is connected with the screw rod; otherwise, the operation panel is driven to rotate, so that the operation panel is separated from the arc-shaped groove, and then the operation panel is separated from the screw rod;

2. through the cooperation of locating piece and constant head tank, can restrict the operation panel and rotate.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

FIG. 2 is a schematic view showing the structure of the screw of the present embodiment;

FIG. 3 is an exploded view of the highlighted locking mechanism of this embodiment.

Reference numerals: 1. a hexagonal block; 2. a screw; 21. fixing grooves; 23. An operation slot; 24. a flat washer; 25. scraping the groove; 26. chamfering; 27. a fixed ring groove; 3. a conductive sheet; 31. an arc-shaped surface; 311. positioning a groove; 32. a parallel plane; 33. a cross groove; 34. positioning blocks; 4. a locking mechanism; 41. an operation panel; 42. an arc-shaped groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The embodiment discloses a bonding bolt, as shown in fig. 1 and 2, including hexagonal piece 1 and screw rod 2, hexagonal piece 1 and screw rod 2 fixed connection have seted up fixed slot 21 on the screw rod 2, and fixed slot 21 is connected with two conducting strips 3 through locking mechanical system 4, and two conducting strips 3 are along the axis direction array distribution of screw rod 2.

As shown in fig. 2 and 3, the locking mechanism 4 includes an operation panel 41 rotatably connected to the conductive sheet 3, the operation panel 41 is provided with a notch, the conductive sheet 3 includes an arc surface 31 and a parallel surface 32, the conductive sheet 3 is provided with an operation slot 23 engaged with the operation panel 41, an arc groove 42 is provided in the fixed slot 21, and an inner diameter of the arc groove 42 is the same as an inner diameter of the operation slot 23. When the operation panel 41 is fitted into the arc-shaped slot 42, the conductive plate 3 is restricted from moving in the axial direction of the operation slot 23. The end of the operating plate 41 remote from the conducting plate 3 is provided with a cross-shaped slot 33. The operation plate 41 can be easily rotated by the cross slot 33 so that the operation plate 41 is fitted into/removed from the arc-shaped slot 42.

As shown in fig. 2 and 3, a positioning block 34 is fixedly connected to the circumferential surface of the operation slot 23, the positioning block 34 is disposed between a horizontal plane passing through the axis of the operation slot 23 and the upper end surface of the conductive plate 3, two positioning slots 311 for embedding the positioning block 34 are disposed on the arc surface 31, and the two positioning slots 311 are circumferentially arrayed along the axis of the operation slot 23. Set up the locating piece 34 and imbed in the constant head tank 311, have the location effect, prevent that the operation panel 41 from rotating for conducting strip 3 is connected more stably with screw rod 2.

As shown in fig. 1 and 2, a fixing ring groove 27 is formed on one end of the circumferential surface of the screw rod 2 close to the hexagonal block 1, and a flat washer 24 is sleeved on the screw rod 2. The flat washer 24 can prevent the hexagonal block 1 from directly contacting an object, and the operation plate 41 can be arranged to be enlarged to better share pressure.

As shown in fig. 1 and 2, a scraping groove 25 is formed at one end of the screw rod 2 away from the hexagonal block 1, and the scraping groove 25 may be a sector groove. The end of the screw rod 2 far away from the hexagonal block 1 is provided with a chamfer 26. When the screw 2 is connected with the nut, the chamfer 26 is helpful for the screw 2 to be inserted into the nut, then paint on the inner surface of the nut is scraped through the scraping groove 25, and finally the scraped paint is discharged through the fan-shaped groove.

The working principle is as follows: when the device is installed, the conducting plate 3 is firstly embedded into the fixing groove 21 until the conducting plate 3 is abutted against one end of the fixing groove 21 far away from the opening, the operation panel 41 is driven to rotate, so that the operation panel 41 is embedded into the arc-shaped groove 42 and is fixed to the conducting plate 3; conversely, the conductive plate 3 is separated from the screw 2.

The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention, any modification, equivalent replacement, or improvement made within the design concept of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a bonding bolt, includes hexagonal piece (1) and screw rod (2), hexagonal piece (1) and screw rod (2) fixed connection, its characterized in that: fixed slot (21) have been seted up on screw rod (2), fixed slot (21) are connected with conducting strip (3) through locking mechanical system (4), locking mechanical system (4) include rotate operation panel (41) of being connected with conducting strip (3), breach is seted up in operation panel (41), including arcwall face (31) and parallel surface (32) on conducting strip (3), operation groove (23) that agree with operation panel (41) are seted up in conducting strip (3), arc wall (42) have been seted up in fixed slot (21), arc wall (42) internal diameter is the same with the internal diameter of operation groove (23), works as when operation panel (41) are embedded into in arc wall (42) with the axis direction removal of restriction conducting strip (3) along operation groove (23).

2. A grounding bolt as defined in claim 1, wherein: one end of the operating plate (41) far away from the conducting plate (3) is provided with a cross groove (33).

3. A grounding bolt as defined in claim 1, wherein: the circumference of the operation groove (23) is fixedly connected with a positioning block (34), and the arc-shaped surface (31) is provided with a positioning groove (311).

4. A grounding bolt as defined in claim 1, wherein: the conducting strips (3) are arranged in a plurality, and the conducting strips (3) are distributed in an array mode along the axis direction of the screw (2).

5. A grounding bolt as defined in claim 1, wherein: and a fixing ring groove (27) is formed in one end, close to the hexagonal block (1), of the circumferential surface of the screw (2).

6. A grounding bolt as defined in claim 5, wherein: the screw rod (2) is provided with a flat gasket (24).

7. A grounding bolt as defined in claim 1, wherein: and one end of the screw rod (2) far away from the hexagonal block (1) is provided with a scraping groove (25).

8. A grounding bolt as defined in claim 7, wherein: the scraping groove (25) adopts a fan-shaped groove.

9. A grounding bolt as defined in claim 7, wherein: and a chamfer (26) is formed at one end of the screw rod (2) far away from the hexagonal block (1).