CN208272160U - A kind of copper bar of fine-tuning connecting pin flatness and connection structure with the copper bar - Google Patents

Abstract

The utility model discloses a kind of copper bar of fine-tuning connecting pin flatness and with the connection structure of the copper bar, the copper bar includes copper bar ontology, the connecting pin that the side of the copper bar ontology extends outwardly and bending is equipped with L-type upward or downward, the connecting pin includes the extension and the interconnecting piece vertical with the extension extended laterally outward out by copper bar ontology, the part bent upward or downward in the connecting pin is equipped at least one groove of the notch being vertically arranged, and is equipped at least one fixation hole on the connecting pin on the groove of the notch both sides.Pass through the groove of the notch being arranged in connecting pin, by the contact surface of connecting pin be divided into it is multiple achieve the purpose that reduce its stress, to make the flatness of connecting pin that can be finely adjusted section, avoid the problem that connecting pin is because electrical safety risk occurs in flatness problems with respect when copper bar is connect with other conductive devices or copper bar.

Description

A kind of copper bar of fine-tuning connecting pin flatness and connection structure with the copper bar

Technical field

The utility model relates to the copper bar of electric utility technical field more particularly to a kind of fine-tuning connecting pin flatness and Connection structure with the copper bar.

Background technique

Copper bar is a kind of conducting heavy current product, plays a part of to convey electric current in circuit and connects electrical equipment, copper bar It is made of national standard T2Y2 red copper through sheet-metal baiting bending technique, copper bar obtains in electrical equipment, especially complete power distribution equipment It is the main raw material(s) of manufacture high and low voltage electrical equipment switch contact and the installation conducting wire that gets an electric shock to being widely applied, while The super-large currents electrolysis for production engineering such as extensive utilization and metal smelt, electrochemical plating, chemical industry caustic soda；The main consideration of copper bar is Current-carrying capacity selects suitable copper bar according to size of current, and the screw of junction has to tighten, and will appear burning when otherwise electric current is big The possibility of molten copper bar.

Commonly using copper bar material currently on the market is red copper, and hardness is higher compared to common conductive material, adds general copper bar Connecting end surface needs metal plate bending, and bending angle is there are certain error, and connecting end surface is easy to appear the situation of plane injustice, with it There are gaps to cause contact not close between connecting end surface when his conductive devices connection, and the torsion for depending merely on screw cannot completely eliminate This phenomenon, when electric current moment is excessive, there are the electrical safety risks of fusing.

Utility model content

The utility model aim is to overcome existing technological deficiency, provides a kind of copper of fine-tuning connecting pin flatness Row.

In order to solve the above-mentioned technical problem, the utility model provides a kind of copper bar of fine-tuning connecting pin flatness, packet Include copper bar ontology, the connecting pin that the side of the copper bar ontology extends outwardly and bending is equipped with L-type upward or downward, the connection The part bent upward or downward in end is equipped at least one groove of the notch for being vertically arranged, on the connecting pin on the groove of the notch both sides It is equipped at least one fixation hole.

Further, the cross section of the groove of the notch is rectangle.

Further, the fixation hole is threaded hole or through-hole.

Further, the connecting pin include the extension extended laterally out out by copper bar ontology and with the extension The vertical interconnecting piece in portion, the groove of the notch are set to vertically on the interconnecting piece.

Further, the inner end end of the groove of the notch extends inwardly to 1/5 to 1/3 place of the extension width, shape The groove of the notch of l-shaped.

A kind of connection structure with above-mentioned copper bar is additionally provided, specifically, further include external copper bar and connector, it is described External copper bar, which is equipped with, passes through the connecting hole and fixation hole for copper bar with the one-to-one connecting hole of fixation hole, the connector It is fixed with external copper bar.

Further, the connector is bolt or bolt and nut component.

The utility model has the following beneficial effects:

At least one groove of the notch is arranged in the utility model on copper bar connecting pin, by the single large contact surface on connecting pin point Two or more small contact surfaces are cut into, stress existing for single small contact surface is relatively low, thus to the plane of single small contact surface It spends the ability being finely adjusted to greatly increase, by the fine tuning individually to multiple small contact surface flatnesses, make at multiple small contact surfaces In same level, when copper bar being avoided to connect with other conductive devices or copper bar, the contact surface of connecting pin goes out because of flatness problems with respect The problem of existing electrical safety risk；The utility model structure of copper bar also have at low cost, structure is simple, it is easy to make, high-efficient, It is easy to the characteristics of producing control in batches.

Detailed description of the invention

Attached drawing described herein is used to provide a further understanding of the present invention, and is constituted part of this application, It does not constitute improper limits to the present invention, in the accompanying drawings:

Fig. 1 is the schematic diagram of copper bar in Examples 1 and 2；

Fig. 2 is the schematic diagram at another visual angle of copper bar in Examples 1 and 2；

Fig. 3 is the decomposition diagram that copper bar is connect with external copper bar in embodiment 2.

Specific embodiment

In order to more fully understand the technology contents of the utility model, below in conjunction with attached drawing and specific embodiment to this Utility model is described further and illustrates.

Embodiment 1

As depicted in figs. 1 and 2, a kind of copper bar 1 of fine-tuning connecting pin flatness shown in the present embodiment, including copper bar sheet Body 11 extends outwardly and is folded upward to form the connecting pin of a L-type, specifically, connecting pin is wrapped on the right side of copper bar ontology 11 The extension 12 and the interconnecting piece 13 vertical with extension 12 laterally extended to the right by copper bar ontology 1 is included, in interconnecting piece 13 centre is equipped with the groove of the notch 14 being vertically arranged, and interconnecting piece 13 is divided into two small contacts by a large contact surface Face is equipped with a fixation hole 15 for fixing external piece (i.e. in two small contacts on the interconnecting piece on 14 both sides of the groove of the notch One is equipped on face for fixing the fixation hole 15 of external piece)；In above structure, by the way that a notch is arranged in interconnecting piece Interconnecting piece is divided into two small contact surfaces by single large contact surface by slot, and stress existing for single small contact surface is relatively low, thus The ability being finely adjusted to the flatness of single small contact surface greatly increases, and is individually applied to two small contact surface by the later period and is turned round Power is finely adjusted flatness, and the plane of two small contact surfaces is made to be in same level, avoid copper bar and other conductive devices or When copper bar connects, there is the problem of electrical safety risk because of flatness problems with respect in interconnecting piece.

Specifically, the lower end of the groove of the notch 14 extends inwardly to 1/5 to 1/3 place of copper bar extension width, a L-type is formed The groove of the notch (as shown in Figure 2), can ensure that in this way segmentation after two small contact surface monolith is finely adjusted, can preferably solve Tightness problems between copper bar and the connection of other external pieces, while can ensure the intensity at extension, it is unlikely to make extension Whole affected by force ensues deformation.

Specifically, the cross section for the groove of the notch 14 being arranged on interconnecting piece 13 is rectangle.

Specifically, the fixation hole 15 on the interconnecting piece 13 of copper bar is threaded hole or through-hole.

In the other embodiments of the utility model, in above structure, also it can be arranged on it 2 according to the size of interconnecting piece Or 2 or more grooves of the notch, interconnecting piece is divided into multiple small contact surfaces by large contact surface.

Embodiment 2

As shown in Figure 1 to Figure 3, a kind of connection structure of copper bar and copper bar shown in the present embodiment, including described in embodiment 1 Copper bar 1 and the external copper bar 2 that cooperates with copper bar 1, set in one end of external copper bar 2 there are two connecting hole 21, two connections The position in hole 21 and the position of the fixation hole 15 on interconnecting piece 13 correspond, and copper bar 1 is worn with external copper bar 2 by connector 3 It crosses connecting hole and fixation hole is fixed.

Specifically, connector 3 is individual bolt or bolt and nut component, suitably connected according to the selection of the pass of fixation hole Fitting.

In above structure, when fixation hole 15 is threaded hole, connector is bolt, and bolt 3 passes through connecting hole 21 and fixes Hole 15 is threadedly coupled, and copper bar 1 and external copper bar 2 are fixed together；When fixation hole 15 is through-hole, connector is bolt and nut Copper bar 1 and external copper bar 2 are fixed together after passing through connecting hole 21 and fixation hole 15 with nut by component, bolt.

In the other embodiments of the utility model, when fixation hole is threaded hole, connecting hole can be threaded hole or through-hole； When fixation hole is through-hole, connecting hole can also be threaded hole or through-hole.

In the other embodiments of the utility model, can the connection structure according to shown in embodiment 2, will be described in embodiment 1 Copper bar be fixedly connected with other conductive devices.

In the other embodiments of the utility model, which is applied also between other metal conductive materials End face connection.

Technical solution provided by the utility model embodiment is described in detail above, it is used herein specifically A example is expounded the principle and embodiment of the utility model embodiment, and the explanation of above embodiments is only applicable to help Assistant solves the principle of the utility model embodiment；At the same time, for those skilled in the art is implemented according to the utility model Example, there will be changes in terms of specific embodiments and scope of application, in conclusion the content of the present specification should not be construed as Limitations of the present invention.

Claims (7)

1. a kind of copper bar of fine-tuning connecting pin flatness, including copper bar ontology, which is characterized in that the side of the copper bar ontology Extend outwardly and bend the connecting pin for being equipped with L-type upward or downward, the part bent upward or downward in the connecting pin is equipped with At least one groove of the notch being vertically arranged is equipped at least one fixation hole on the connecting pin on groove of the notch both sides.

2. the copper bar of fine-tuning connecting pin flatness as described in claim 1, which is characterized in that the cross section of the groove of the notch For rectangle.

3. the copper bar of fine-tuning connecting pin flatness as described in claim 1, which is characterized in that the fixation hole is threaded hole Or through-hole.

4. the copper bar of fine-tuning connecting pin flatness as described in any one of claims 1-3, which is characterized in that the connecting pin Including the extension and the interconnecting piece vertical with the extension extended laterally out out by copper bar ontology, the groove of the notch is perpendicular Directly it is set on the interconnecting piece.

5. the copper bar of fine-tuning connecting pin flatness as claimed in claim 4, which is characterized in that the inner end of the groove of the notch 1/5 to 1/3 place for extending inwardly to the extension width, forms the groove of the notch of L-type.

6. a kind of connection structure with copper bar as claimed in claim 5, which is characterized in that further include external copper bar and connect Part, the external copper bar, which is equipped with, passes through the connecting hole and fixation with the one-to-one connecting hole of fixation hole, the connector Copper bar and external copper bar are fixed in hole.

7. connection structure as claimed in claim 6, which is characterized in that the connector is bolt or bolt and nut component.