CN206727024U - Relay - Google Patents

Abstract

The utility model discloses a kind of relay, it has several poles for being used to connect conductive component, the relay also includes several conductive resilient elements, each pole on the contact surface of the conductive component with being equipped with least one accommodating chamber, the conductive resilient element has a contact site, a compressed part, the compressed part is installed in the accommodating chamber, and the compressed part is resisted against the pole on the axial direction of the pole, the contact site is exposed to the outer surface of the pole.Relay of the present utility model, floating connection is realized by conductive resilient element pole, so as to realize that connection is relatively reliable, effectively avoid electrical connection from failing, greatly enhance the reliability and service life during connection.

Description

Relay

Technical field

It the utility model is related to a kind of relay.

Background technology

Relay is a kind of electronic control device, is commonly used in automatic control circuit, plays automatic tune in circuit Section, safeguard protection, change-over circuit etc. act on.

At present, the pole of relay with electric-conductor when being connected, because long-term use, environment, temperature and use are rocked Various influences, the contact surface between pole and conductive component is easy to wear, so as to cause electrical connection to fail, influences the reliable of relay Property and service life.

Utility model content

The technical problems to be solved in the utility model is to overcome existing relay easy to wear, causes electrical connection failure etc. A kind of defect, there is provided relay.

The utility model is that solve above-mentioned technical problem by following technical proposals：

A kind of relay, it has several poles for being used to connect conductive component, and its feature is that the relay is also Include several conductive resilient elements, each pole on the contact surface of the conductive component with being equipped with least one receiving Chamber, the conductive resilient element have a contact site, a compressed part, and the compressed part is installed in the accommodating chamber, and the pressure Tight portion is resisted against the pole on the axial direction of the pole, and the contact site is exposed to the outer surface of the pole.

It is preferred that the pole includes high pressure pole, the high pressure pole includes a connecting rod, a base, described The bottom of base is connected to the relay, and the connecting rod is connected to the top of the base, in the upper surface of the base Region in addition to the join domain of the connecting rod is formed with the contact surface.

It is preferred that the accommodating chamber in the high pressure pole is at least provided with a recess, the accommodating chamber have internal face, Bottom surface, the recess are arranged between the internal face and the bottom surface, and radial direction of the recess along the high pressure pole is to institute State that the outside wall surface direction of high pressure pole is recessed, and/or radial direction of the recess along the high pressure pole is to the side of the connecting rod To recessed.

In this programme, using said structure form, accommodating chamber is effectively compressed fixed conductive resilient element by recess so that Conductive resilient element is tightly pressed in accommodating chamber.And radial direction of the conductive resilient element along high pressure pole extends and pressed in recess Interior, conductive resilient element is given to the certain tensile force of high pressure pole, strengthens the structural strength of high pressure pole.

In addition, high pressure pole conductive resilient element in connection is under pressure and produces deformation, recess can be conductive resilient element Deformation be reserved with space, effectively prevent conductive resilient element produce damage.

It is preferred that the accommodating chamber and the conductive resilient element are annular in shape, and the accommodating chamber and the electrically conductive elastic Part is surrounded on the connecting rod.

In this programme, using said structure form so that high pressure pole uniform force, enhancing service life and reliable Property.

It is preferred that the pole includes low pressure pole, the upper surface of the low pressure pole is formed with the contact surface.

It is preferred that the accommodating chamber in the low pressure pole is at least provided with a recess, the accommodating chamber have internal face, Bottom surface, the recess are arranged between the internal face and the bottom surface, and radial direction of the recess along the low pressure pole is to institute The outside wall surface direction for stating low pressure pole is recessed.

In this programme, using said structure form, accommodating chamber is effectively compressed fixed conductive resilient element by recess so that Conductive resilient element is tightly pressed in accommodating chamber.And radial direction of the conductive resilient element along low pressure pole extends and pressed in recess Interior, conductive resilient element is given to the certain tensile force of low pressure pole, strengthens the structural strength of low pressure pole.

In addition, low pressure pole conductive resilient element in connection is under pressure and produces deformation, recess can be conductive resilient element Deformation be reserved with space, effectively prevent conductive resilient element produce damage.

It is preferred that the accommodating chamber and the conductive resilient element are in cylinder.

In this programme, using said structure form, installation operation is convenient, and simple in construction, and processing and fabricating is quick.

It is preferred that the shape of the recess is in dovetail shaped.

It is simple in construction using said structure form in this programme, and processing and fabricating is quick.

It is preferred that the conductive resilient element is power spring.

In this programme so that conductive resilient element elasticity is high, and performance is good, is easily restored to the original state after removing external force.

It is preferred that the depth of the accommodating chamber is more than or equal to the half of the height of the power spring.

It is preferred that the depth of the accommodating chamber is the 60%~80% of the height of the power spring.

In this programme, using said structure form, power spring effectively will be fixed in accommodating chamber by compression.

It is preferred that the material of the conductive resilient element is beryllium copper, and the outer surface plating of the conductive resilient element is provided with silver layer.

In this programme, using said structure form, conduct electricity very well, and anti-corrosion.

It is preferred that the conductive resilient element is interference fitted by the compressed part and the accommodating chamber.

On the basis of common sense in the field is met, above-mentioned each optimum condition, can be combined, produce the utility model respectively compared with Good example.

Positive effect of the present utility model is：

Relay of the present utility model, floating connection is realized by conductive resilient element pole, so as to realize connection more Add reliably, effectively avoid electrical connection from failing, greatly enhance the reliability and service life during connection.

Brief description of the drawings

Fig. 1 is the structural representation of the relay of the utility model embodiment 1 and embodiment 2.

Fig. 2 is the decomposition texture schematic diagram of the relay of the utility model embodiment 1 and embodiment 2.

Fig. 3 is the internal structure schematic diagram of the relay of the utility model embodiment 1.

Fig. 4 is internal structure schematic diagram when being in use state of the relay of the utility model embodiment 1.

Description of reference numerals：

High pressure pole 1, base 11, accommodating chamber 111, internal face 1111, bottom surface 1112, recess 1113

Connecting rod 12

Power spring 2, contact site 21, compressed part 22

Low pressure pole 3, accommodating chamber 31, internal face 311, bottom surface 312

Power spring 4

Conductive component 5

Fastener 6

Embodiment

Below by embodiment mode and become apparent from intactly illustrating the utility model with reference to accompanying drawing, but not therefore The utility model is limited among described scope of embodiments.

Embodiment 1

As shown in Figure 1, Figure 2, Figure 3 and Figure 4, relay of the present utility model, there are several to be used to connect conductive part for it Pole (pole includes high pressure pole 1 and low pressure pole 3), several conductive resilient elements of part 5.Conductive resilient element can be to lead Electrical spring 2, the elasticity of power spring 2 is high, and performance is good, is easily restored to the original state after removing external force.

When pole is high pressure pole 1, each high pressure pole 1 is at least one with being equipped with the contact surface of conductive component 5 Accommodating chamber 111.Power spring 2 has a contact site 21, a compressed part 22, and compressed part 22 is installed in accommodating chamber 111, and compresses Portion 22 is resisted against high pressure pole 1 on the axial direction of high pressure pole 1.So that the floating mount of power spring 2 is in high pressure pole 1 On, contact site 21 is exposed to the outer surface of high pressure pole 1.

As shown in Figure 3 and Figure 4, when connection uses relay, fastener 6 will be tight between high pressure pole 1 and conductive component 5 Be solidly connected and conductive, the active force of conductive component 5 is on contact site 21 so that power spring 2 will stress produce deformation and produce Certain tensile force.Floating connection is realized by the high pressure pole 1 of power spring 2, that is, realize relay and conductive component 5 it Between floating connection, connect more reliable, the electrical connection occasion for especially thering is dynamic load and vibration environment condition to use.High pressure pole 1 Contact surface between conductive component 5 can produce segregation phenomenon, and power spring 2 can then upspring and be contacted all the time with conductive component 5, By being always maintained at status of electrically connecting between the high pressure pole 1 of power spring 2 and conductive component 5, electrical connection is effectively avoided to lose Effect, greatly enhance reliability and service life of the relay in connection.Preferably, power spring 2 passes through compressed part 22 and appearance Chamber 111 of receiving is interference fitted.

As shown in Figures 2 and 3, high pressure pole 1 includes a connecting rod 12, a base 11, and the bottom of base 11 is connected to The upper surface of relay, connecting rod 12 are connected to the top of base 11, are easy to conductive connect by the high pressure pole 1 of connecting rod 12 Connect.Region in the upper surface of base 11 in addition to the join domain of connecting rod 12 is formed with contact surface, on the contact surface Accommodating chamber 111 is provided with, accommodating chamber 111 is located at the surrounding of connecting rod 12.

Accommodating chamber 111 in high pressure pole 1 can be at least provided with a recess 1113, and high pressure pole 1 is in connection, conductive bullet Spring 2 is extruded and deformed upon by external force, the tensile force certain by high pressure pole 1 is given in recess 1113 of power spring 2, is made Power spring 2 is obtained tightly to press in accommodating chamber 111.Meanwhile recess 1113 can be reserved with space for the deformation of power spring 2, Effectively prevent power spring 2 from producing damage.

Accommodating chamber 111 can have internal face 1111, bottom surface 1112, and recess 1113 is arranged at internal face 1111 and bottom surface Between 1112, recess 1113 can along the radial direction of high pressure pole 1 to the outside wall surface direction of high pressure pole 1 recessed, recess 1113 Can be recessed along the direction of radial direction to the connecting rod 12 of high pressure pole 1.Certainly, recess 1113 can also be simultaneously recessed to both direction Enter, selected with specific reference to different operating modes.So that radial direction of the power spring 2 along high pressure pole 1 extends and pressed in recessed In portion 1113, power spring 2 is given to the certain tensile force of high pressure pole 1, strengthens the structural strength of high pressure pole 1.Preferably, it is recessed The shape in portion 1113 is in dovetail shaped, simple in construction, and processing and fabricating is quick.

In order to reach the effect of the uniform force of high pressure pole 1, accommodating chamber 111 and power spring 2 can be annular in shape, and hold Receive chamber 111 and power spring 2 is surrounded on connecting rod 12.So that the uniform force of high pressure pole 1, enhancing service life and reliable Property.

In order to compress power spring 2 and spacing in accommodating chamber 111, the height of accommodating chamber 111 should be greater than or equal to leading The half of the height of electrical spring 2.The depth of accommodating chamber 111 is preferably the 60%~80% of the height of power spring 2, power spring 2 are fixed in accommodating chamber 111 by compression, and the depth of accommodating chamber 111 refers at the accent of accommodating chamber 111 to bottom surface 1112 Distance, the height of power spring 2 refers to the diametral distance of spiral.

The material of power spring 2 can be beryllium copper, conduct electricity very well.The outer surface of power spring 2 can be plated provided with silver layer, Effective anti-corrosion.

Embodiment 2

As depicted in figs. 1 and 2, the relay construction of the present embodiment and the same section of embodiment 1 are no longer repeated, only to not Explained with part.When pole is low pressure pole 3, by being fixedly connected between fastener conductive component and relay, Be compacted connection between the contact surface of conductive component and the top of low pressure pole 3, that is, low pressure pole 3 upper surface formed with Contact surface, accommodating chamber 31 is provided with the contact surface, in the accommodating chamber 31 of low pressure pole 3 at least provided with a recess (in figure It is not shown), in connection, power spring 4 is fit into accommodating chamber 31 low pressure pole 3, and power spring 4 will be given in recess The certain tensile force of low pressure pole 3, so that power spring 4 is tightly pressed in accommodating chamber 31.Meanwhile recess can be conduction The deformation of spring 4 is reserved with space, effectively prevents power spring 4 from producing damage.

Accommodating chamber 31 can have internal face 311, bottom surface 312, and recess is arranged between internal face 311 and bottom surface 312, recessed Radial direction of the portion along low pressure pole 3 is recessed to the outside wall surface direction of low pressure pole 3.So that radial direction of the power spring 4 along low pressure pole 3 Direction extends and pressed in recess, and power spring 4 is given to the certain tensile force of low pressure pole 3, strengthens the structure of low pressure pole 3 Intensity.

Accommodating chamber 31 and power spring 4 can be in cylinder so that power spring 4 facilitates installation operation, and structure letter Single, processing and fabricating is quick.The shape of recess can be in dovetail shaped, simple in construction, and processing and fabricating is quick.

Although the foregoing describing specific embodiment of the present utility model, it will be appreciated by those of skill in the art that This is merely illustrative of, and the scope of protection of the utility model is defined by the appended claims.Those skilled in the art On the premise of without departing substantially from principle of the present utility model and essence, various changes or modifications can be made to these embodiments, But these changes and modification each fall within the scope of protection of the utility model.

Claims (13)

1. a kind of relay, it has several poles for being used to connect conductive component, it is characterised in that the relay also wraps Several conductive resilient elements are included, each pole on the contact surface of the conductive component with being equipped with least one receiving Chamber, the conductive resilient element have a contact site, a compressed part, and the compressed part is installed in the accommodating chamber, and the pressure Tight portion is resisted against the pole on the axial direction of the pole, and the contact site is exposed to the outer surface of the pole.

2. relay as claimed in claim 1, it is characterised in that the pole includes high pressure pole, the high pressure pole Include a connecting rod, a base, the bottom of the base is connected to the relay, and the connecting rod is connected to the base Top, the region in the upper surface of the base in addition to the join domain of the connecting rod is formed with the contact surface.

3. relay as claimed in claim 2, it is characterised in that the accommodating chamber in the high pressure pole is at least provided with one Recess, the accommodating chamber have internal face, bottom surface, and the recess is arranged between the internal face and the bottom surface, described recessed Radial direction of the portion along the high pressure pole is recessed to the outside wall surface direction of the high pressure pole, and/or the recess is along the high pressure The direction of the radial direction of pole to the connecting rod is recessed.

4. relay as claimed in claim 2, it is characterised in that the accommodating chamber and the conductive resilient element are annular in shape, And the accommodating chamber and the conductive resilient element are surrounded on the connecting rod.

5. relay as claimed in claim 1, it is characterised in that the pole includes low pressure pole, the low pressure pole Upper surface formed with the contact surface.

6. relay as claimed in claim 5, it is characterised in that the accommodating chamber in the low pressure pole is at least provided with one Recess, the accommodating chamber have internal face, bottom surface, and the recess is arranged between the internal face and the bottom surface, described recessed Radial direction of the portion along the low pressure pole is recessed to the outside wall surface direction of the low pressure pole.

7. relay as claimed in claim 5, it is characterised in that the accommodating chamber and the conductive resilient element are in cylinder Shape.

8. the relay as described in claim 3 or 6, it is characterised in that the shape of the recess is in dovetail shaped.

9. relay as claimed in claim 1, it is characterised in that the conductive resilient element is power spring.

10. relay as claimed in claim 9, it is characterised in that the depth of the accommodating chamber is more than or equal to the conduction The half of the height of spring.

11. relay as claimed in claim 10, it is characterised in that the depth of the accommodating chamber is the height of the power spring The 60%~80% of degree.

12. relay as claimed in claim 1, it is characterised in that the material of the conductive resilient element is beryllium copper, and described is led The outer surface plating of electric elastic component is provided with silver layer.

13. relay as claimed in claim 1, it is characterised in that the conductive resilient element by the compressed part with it is described Accommodating chamber is interference fitted.