CN208189372U - A kind of casing - Google Patents

Abstract

The utility model discloses a kind of casing, and including conducting rod and the screening arrangement for being connected to conductive boom end, screening arrangement includes conducting resinl, and conducting resinl is rounded, the surface continuously smooth of conducting resinl.The conducting resinl of the utility model has the spheroidal surface of continuous and derivable, has biggish radius of curvature, can be avoided electric field concentration problem, the effect of uniform electric field is more preferable.

Description

A kind of casing

Technical field

The utility model relates to a kind of transmission of electricity insulator arrangement field, specifically a kind of casings.

Background technique

Bushing shell for transformer, automatic circuit casing are the primary insulation devices outside transformer tank, and the conducting rod being arranged in casing needs To pass through insulating sleeve.In order to guarantee the shield effectiveness of conducting rod connecting portion in casing, needs to be arranged in conductive boom end and shield Shield structure.The shading ring of traditional shielding construction is mostly ligule, has lesser radius of curvature, and shield ranges are limited.Shading ring The more demanding of shielding construction surface need to be protected using metal material.

Utility model content

In view of the deficiencies of the prior art, the purpose of the utility model is to provide a kind of casing, the shielding construction of the casing has There is biggish radius of curvature, the effect of uniform electric field is good.

To achieve the above object, technical solution used by the utility model is as follows: a kind of casing, including conducting rod and company It is connected to the screening arrangement of conductive boom end, screening arrangement includes conducting resinl, and conducting resinl is rounded, and the surface of conducting resinl is continuously put down It is sliding.

The conducting resinl of above-mentioned liner shields device is rounded, the surface with continuous and derivable, the biggish curvature having Radius, can be avoided electric field concentration problem, and the effect of uniform electric field is more preferable.

Above-mentioned screening arrangement further includes conducting ring, conducting resinl coated with conductive ring.

The conducting ring being arranged in screening arrangement, can effectively support conducting resinl, improve the intensity of screening arrangement.

Wherein, conducting resinl is conductive rubber or electroconductive resin.

Further, above-mentioned conducting resinl is conductive silicon rubber.

Hot press moulding sulfidization molding can be used in above-mentioned conductive rubber, is readily formed, high production efficiency.The conduction of rubber material The property of glue is soft, can be avoided the collision in production process.

Wherein, conductive adhesive is in conductive ring surface.

Wherein, conducting resinl is molded or is injection moulded on conducting ring surface.

Wherein, conducting ring includes pedestal and the interconnecting piece perpendicular to pedestal, and interconnecting piece connects conducting rod surface, pedestal and company The arc-shaped transition in the junction of socket part.

Further, several through-holes are axially set around the conducting rod on the pedestal, described in the conductive paste Through-hole.

Several through-holes being arranged on conducting ring pedestal pass through for conducting resinl, help to further strengthen conducting resinl and conduction Ring is fastenedly connected.

Wherein, conducting ring is removably attachable to conducting rod.

Further, conducting ring is threadedly connected to conducting rod.

Detailed description of the invention

Fig. 1 is longitudinal schematic cross-sectional view of the casing 100 of the utility model embodiment one；

Fig. 2 is the enlarged diagram of A in Fig. 1.

Fig. 3 is longitudinal section view schematic perspective view of the casing 200 of the utility model embodiment two；

Fig. 4 is the enlarged diagram of B in Fig. 3.

Specific embodiment

According to requiring, specific embodiment of the present utility model will be disclosed here.It is to be understood, however, that institute here The embodiment of disclosure is only the typical example of the utility model, can be presented as various forms.Therefore, it discloses here Detail be not to be considered as limiting, and be merely possible to the basis of claim and as instructing this field Technical staff differently applies the representative basis of the utility model in any appropriate mode in practice, including using here Disclosed various features simultaneously combine the feature that may do not disclose clearly here.

The utility model embodiment one:

As depicted in figs. 1 and 2, the casing 100 of the present embodiment one, including conducting rod 110 and it is connected to 110 end of conducting rod Screening arrangement 120, screening arrangement 120 include conducting resinl 122, conducting resinl 122 is rounded, and the surface of conducting resinl is continuously put down It is sliding.

Above-mentioned conducting resinl 122 is rounded, has biggish radius of curvature, can be avoided electric field concentration problem, uniformly electricity The effect of field is more preferable.

Wherein, screening arrangement 120 further includes conducting ring 121,122 coated with conductive ring 121 of conducting resinl.

Conducting ring 121 is arranged in above-mentioned screening arrangement 120, plays a supporting role to conducting resinl 122, improves screening arrangement 120 Intensity.

In the present embodiment, as shown in Fig. 2, the complete coated with conductive ring 121 of conducting resinl 122.Specifically, the end of conducting ring 121 Point a1, b1, c1, d1, e1 are covered by conducting resinl 122.

Conducting resinl 122 is coated on 121 surface of conducting ring completely, manufacturing process is simple and convenient, high production efficiency.

It should be noted that in other embodiments, conducting ring can also be not provided in screening arrangement.Conducting resinl and conduction The contact area of ring may be other numerical values reciteds, be not limited to the present embodiment in value.

Wherein, conducting resinl 122 is conductive rubber or electroconductive resin.

In the present embodiment, conducting resinl 122 uses conductive rubber.

Conducting resinl 122 is made using hot press moulding sulfidization molding technique in conductive rubber, and the conducting resinl 122 of formation has smooth Surface, be readily formed, high production efficiency.The flexibility of rubber material also can be avoided collision effectively.

It should be noted that in other embodiments, other conductive rubbers or electroconductive resin can also be used, be not limited to lead Electric silicon rubber.

Wherein, conducting resinl 122 is bonded in 121 surface of conducting ring.

In the present embodiment, the position coated with coupling agent of coated with conductive glue 122 is needed (not show in figure on 121 surface of conducting ring Out), conducting resinl 122 is passed through into coupling agent gluing on the surface of conducting ring 121.

It should be noted that in other embodiments, conducting resinl can also be connected to conducting ring using other connection types Surface, details are not described herein.

Wherein, conducting ring 121 is removably attachable to conducting rod 110.

In the present embodiment, conducting ring screw thread (not shown) is arranged in the connecting portion of conducting ring 121 and conducting rod 110, The conducting rod screw thread (not shown) that the setting of the connecting portion of conducting rod 110 and conducting ring 121 matches with conducting ring screw thread. Conducting ring 121 is connect with conducting rod 110 by conducting rod screw thread and conducting ring screw threads for fastening.

It should be noted that in other embodiments, conducting ring and conducting rod can also be using other connection types, such as Be connected together, be interference fitted the connection types such as connection, welding, be not limited to the present embodiment in thread connecting mode.

Wherein, conducting ring 121 and conducting rod 110 are similar conductive material.

Conducting ring 121 and conducting rod 110 are supported using same type of material, have good connection effect and shield effectiveness.

In the present embodiment, conducting ring 121 is brass and 110 red copper of conducting rod is brass material.

It should be noted that in other embodiments, conducting ring and conducting rod can also be supported using other conductive materials, Also electrically conductive ring and conducting rod are two kinds of materials in same class material, and details are not described herein.

The utility model embodiment two:

As shown in Figures 2 and 3, the casing 200 of the present embodiment one, including conducting rod 210 and it is connected to 210 end of conducting rod Screening arrangement 220, screening arrangement 220 include conducting resinl 222, conducting resinl 222 is rounded, and the surface of conducting resinl is continuously put down It is sliding.

Above-mentioned conducting resinl 222 is rounded, and the surface with continuous and derivable, surface forms biggish radius of curvature, can Electric field concentration problem is avoided, the effect of uniform electric field is more preferable.

Wherein, screening arrangement 220 further includes conducting ring 221,222 coated with conductive ring 221 of conducting resinl.

In the present embodiment, as shown in figure 4, the contact area of conducting resinl 222 and conducting ring 221 is 221 surface area of conducting ring 2/3rds.Specifically, endpoint b2, c2, d2 of conducting ring 221 are coated in conducting resinl 222, conducting resinl 222 and conduction The coincidence point of ring 221 is the point f2 on the endpoint b2 and straight line e2f2 of conducting ring 221.To ensure that conducting ring 221 and conduction The contact area of glue 222 is 2/3rds of 221 surface area of conducting ring.

Conducting ring 221 is arranged in above-mentioned screening arrangement 220, plays a supporting role to conducting resinl 222, improves screening arrangement 220 Intensity.

It should be noted that in other embodiments, conducting ring can be not provided in conducting resinl, can also by conducting resinl with The contact area of conducting ring is set as other values, be not limited to the present embodiment in value.

Wherein, conducting resinl 222 is conductive rubber or electroconductive resin.

In the present embodiment, conducting resinl 222 uses electroconductive resin.

It should be noted that in other embodiments, conducting resinl can also be formed using conductive rubber.

Conducting resinl 222 is molded or is injection moulded on 221 surface of conducting ring.

In the present embodiment, on 221 surface of conducting ring by mould pressing process, electroconductive resin is molded on 221 surface of conducting ring Molding forms conducting resinl 222.

Conducting ring 221 and conducting resinl 222 are integrally formed using mould pressing process, guarantee the company of conducting ring 221 and conducting resinl Reliability is connect, and then ensures that screening arrangement 220 has stable shield effectiveness.

It should be noted that in other embodiments, conducting resinl can also use other connection type coated with conductive rings, This is repeated no more.

Wherein, conducting ring 221 includes pedestal 2211 and the interconnecting piece 2212 perpendicular to pedestal 2211, and interconnecting piece 2212 connects Arc-shaped 2213 transition in the junction of 210 surface of conducting rod, pedestal 2211 and interconnecting piece 2212.

In the present embodiment, interconnecting piece 2212 is connect with the junction of pedestal 2211 using 2213 transition of arc.Arc 2213 both ends are overlapped with the end 22111 of the end 22121 of interconnecting piece 2212 and pedestal 2211 respectively.Arc 2213 is close to lead 210 direction of electric pole recess.

2213 transition of arc is set in the junction of pedestal 2211 and interconnecting piece 2212, guarantees conducting ring 221 and conducting rod 210 while be bonded, and is also avoided that and wastes material, save the cost without the position of shielding in conducting rod 210.

It should be noted that in other embodiments, the junction of pedestal and connection can also be not provided with arc-shaped transition, or The arc-shaped transition of different radian sizes in this present embodiment is arranged in person, can be adjusted accordingly according to the actual situation.

Wherein, around the axial several through-holes 223 of setting of conducting rod 210 on pedestal 2211, conducting resinl 222 fills through-hole 223.

In the present embodiment, several through-holes 223 are uniformly arranged on pedestal 2211, the center of each through-hole 223 is located at same On circle.Conducting resinl 222 fills full through-hole 223.

The through-hole 223 being arranged on the pedestal 2211 of conducting ring 221 passes through for conducting resinl 222, helps further to add Strong conducting resinl 222 is fastenedly connected with conducting ring 221, promotes the connection reliability of conducting ring 221 and conducting resinl 223.

It should be noted that in other embodiments, through-hole can be not provided on pedestal so that conducting resinl only with pedestal table Face connection.Through-hole must be distributed also may be set according to actual conditions with quantity, to adapt to actual demand.

Wherein, conducting ring 221 is removably attachable to conducting rod 210.

In the present embodiment, conducting ring 221 is connected to conducting rod 210 by welding procedure.

It should be noted that in other embodiments, conducting ring and conducting rod can also be using other connection types, such as Be connected together, be interference fitted the connection types such as connection, threaded connection, be not limited to the present embodiment in thread connecting mode.

Wherein, conducting ring 221 and conducting rod 210 are similar conductive material.

Conducting ring 221 and conducting rod 210 are supported using same type of material, have good connection effect and shield effectiveness.

In the present embodiment, conducting ring 221 is brass, and conducting rod 210 is metallic aluminum material.

It should be noted that in other embodiments, conducting ring and conducting rod can also be supported using other conductive materials, Also electrically conductive ring and conducting rod are two kinds of materials in same class material, and details are not described herein.

The technology contents and technical characterstic of the utility model have revealed that as above, it being understood, however, that in the utility model Under creative ideas, those skilled in the art can make various changes and improve to above structure and material, including here individually Disclosure or the combination of claimed technical characteristic, it will be apparent that other combinations including these features.These deformations and/or combination It each falls in technical field involved in the utility model, and falls into the protection scope of the utility model claims.

Claims (10)

1. a kind of casing, it is characterised in that: including conducting rod and the screening arrangement for being connected to the conductive boom end, the shielding Device includes conducting resinl, and the conducting resinl is rounded, the surface continuously smooth of the conducting resinl.

2. casing as described in claim 1, it is characterised in that: the screening arrangement further includes conducting ring, the conducting resinl packet Cover the conducting ring.

3. casing as described in claim 1, it is characterised in that: the conducting resinl is conductive rubber or electroconductive resin.

4. casing as claimed in claim 3, it is characterised in that: the conducting resinl is conductive silicon rubber.

5. casing as claimed in claim 2, it is characterised in that: the conductive adhesive is in the conductive ring surface.

6. casing as claimed in claim 2, it is characterised in that: the conducting resinl is molded or is injected on the conducting ring surface Type.

7. casing as claimed in claim 2, it is characterised in that: the conducting ring includes pedestal and the company perpendicular to the pedestal Socket part, the interconnecting piece connect the conducting rod, the arc-shaped transition in the junction of the pedestal and the interconnecting piece.

8. casing as claimed in claim 7, it is characterised in that: around the conducting rod, axially setting is several logical on the pedestal Hole, through-hole described in the conductive paste.

9. casing as claimed in claim 2, it is characterised in that: the conducting ring is removably attachable to the conducting rod.

10. casing as claimed in claim 9, it is characterised in that: the conducting ring is threadedly connected to the conducting rod.