CN205336703U - Electrical apparatus and mounting structure and contactor that block rail - Google Patents

Abstract

The utility model provides the mounting structure of an electrical apparatus and card rail, electrical apparatus passes through the bottom and the installation of card rail of base, the bottom both ends protrusion of base is equipped with spacing boss, forms the mounting groove that is used for installation card rail between the spacing boss at both ends, and the spacing boss of the bottom one end of base is equipped with the buckle groove who fixes with the one end of blocking the rail, still include elastic element and fixed component, elastic deformation ground takes place and installs on fixed component for elastic element, and the elastic element middle part is fixed by the concave groove support rank of fixed component, and both ends are stretched to in the buckle groove and to be put forward ammunition feed power to a calorie rail, and the one end of card rail stretches into in the buckle groove compression elastic element's both ends deformation and produces installation fastening power, and the other end is installed on calorie rail by the spacing electrical apparatus that makes of spacing boss of the other end bottom the base, the bottom one end of base is located to fixed component, and fixed component is equipped with the concave groove support rank of upwards turning on one's side in the middle part that prevents elastic element. The utility model provides a stable performance, easy dismounting's electrical apparatus and mounting structure and contactor that block rail.

Description

The mounting structure of electrical equipment and clamp rail and catalyst

Technical field

This utility model relates to Low Voltage Electrical Apparatus, particularly to mounting structure and a kind of catalyst of a kind of electrical equipment and clamp rail。

Background technology

At present, the groove being mounted by base design and installation slide plate of A.C. contactor and 35mm clamp rail, design simultaneously can hold the component of an elastomeric material, after slide plate and flexible member are arranged on base, elastic force is produced by the motion of compression elastic element, so that A.C. contactor can be fixed in switch board in 35mm standard clamp rail, simultaneously can also compression elastic element, the right position of adjustment catalyst or taking-up standard clamp rail further。But the mounting structure of existing A.C. contactor and clamp rail has the disadvantage that 1, slide plate is installed in transport or use procedure, is subject to impact shock effect, it is easy to break and lost efficacy；2, assembling difficulty；3, standard clamp rail, dismounting needs special instrument。

Summary of the invention

The purpose of this utility model is in that to overcome the defect of prior art, it is provided that a kind of simple and compact for structure, stable performance, the electrical equipment of easy accessibility and the mounting structure of clamp rail and catalyst。

For achieving the above object, this utility model adopts the technical scheme that

The mounting structure of a kind of electrical equipment and clamp rail, electrical equipment is installed with clamp rail by the bottom of base 2；The two ends, bottom of base 2 are protruded and are provided with positive stop lug boss 21, form the mounting groove 22 for installing clamp rail between the positive stop lug boss 21 at two ends, and the positive stop lug boss 21 of the bottom end of base 2 is provided with the snap-fit grooves 211 that the one end with clamp rail is fixing；Also include flexible member 3 and retaining element 4, flexible member 3 is installed on while elastic deformation occurs on retaining element 4, fixed by the groove step 403 of retaining element 4 in the middle part of flexible member 3, two ends are stretched in snap-fit grooves 211 provides elastic force to clamp rail, one end of clamp rail is stretched into the two ends deformation of compression elastic element 3 in snap-fit grooves 211 and is produced to install fastening force, and the other end is made electric mounting in clamp rail by the positive stop lug boss 21 of the other end is spacing bottom base 2；Retaining element 4 is located at the bottom end of base 2, and retaining element 4 is provided with the groove step 403 preventing the middle part of flexible member 3 from upwards turning on one's side。

Further, described retaining element 4 is provided with and installs the installation groove 402 coordinated in the middle part of flexible member 3, and after flexible member 3 elastic deformation, middle part is installed in installation groove 402 fixing；Retaining element 4 includes cylindrical boss 42 separately positioned in the middle part of arc-shaped boss 41 and arc-shaped boss 41, forms the installation groove 402 of arc-shaped in the middle part of elastic elements 3 between arc-shaped boss 41 and cylindrical boss 42；The side of cylindrical boss 42 is located at by groove step 403。

Further, described flexible member 3 is V-arrangement spring wire, including the flat segments 32 that arc section 31 and arc section 31 two ends at middle part are arranged, arc section 31 is installed in installation groove 402 fixing, and spacing by the groove step 403 of cylindrical boss 42, the flat segments 32 at two ends tilts to mounting groove 22 direction to stretch in snap-fit grooves 211 installs fastening force by deformation generation。

Further, the middle part of described cylindrical boss 42 is provided with fluting 421；The top of cylindrical boss 42 is plane。

Further, described cylindrical boss 42 be provided with fixed groove 401 towards arc-shaped boss 41 1 side bottom, fixed groove 401 be formed over groove step 403, arc section 31 is stuck in fixed groove 401。

Further, it is provided with the first groove 24 in the middle part of the positive stop lug boss 21 of described base 2 bottom end, retaining element 4 is located in the first groove 24 near mounting groove 22 one end, and arc-shaped boss 41 two ends of retaining element 4 are provided with linking arm 43, and linking arm 43 is connected with the positive stop lug boss 21 of the first groove 24 both sides；The positive stop lug boss 21 of described arc-shaped boss 41, linking arm 43 and base 2 one end is one-body molded。

Further, described arc section 31 includes the straightway 312 being connected to arc section 31 two ends and the circular arc turn section 311 being connected with the other end of straightway 312, and the other end of circular arc turn section 311 is connected with flat segments 32。

Further, the positive stop lug boss 21 of the bottom end of described base 2 protrudes to mounting groove 22 and arranges buckle projection 23, forms snap-fit grooves 211 between buckle projection 23 and mounting groove 22。

Further, the positive stop lug boss 21 at the two ends, bottom of base 2 respectively two, four positive stop lug boss 21 lay respectively at four corners bottom base 2, two positive stop lug boss 21 of base 2 one end protrude respectively and arrange a buckle projection 23, form a snap-fit grooves 211 between each buckle projection 23 and mounting groove 22。

A kind of catalyst, mounting structure including above-mentioned electrical equipment Yu clamp rail, also including the pedestal 1 being installed on base 2, the sidewall of base 2 is simultaneously provided with the positioning element with accessory module and coordinates the fixing short slot 201 installed and make moving component insertion pedestal 1 inside of accessory module support 5 to contact the interspersed through hole 202 coordinated with contact；Base 2 is provided with installation protruding 221 with protruding in the middle part of one end that pedestal 1 is connected, and pedestal 1 is provided with the sidewall connecting support 25 connection and installs protruding 221 corresponding installation fit 11；Base 2 is in I shape, connection support 25 and fixed support 26 including pony sill 27 and pony sill 27 two ends, installing protruding 221 and be located at the middle part connecting support 25, the through hole 202 that interts is arranged near installing protruding 221, and fixing short slot 201 is located at and is connected the both sides being positioned at interspersed through hole 202 on support 25。

The mounting structure of this utility model electrical equipment and clamp rail, by arranging snap-fit grooves at the positive stop lug boss of base one end, and flexible member and retaining element are set, fixed by retaining element in the middle part of flexible member, flexible member two ends extend in snap-fit grooves, the two ends of one end compression elastic element of clamp rail produce to install fastening force, and the other end is made electric mounting in clamp rail by the positive stop lug boss of the base bottom other end is spacing；This kind of mounting structure is reasonable, and one hand can complete installing/dismounting, simple and stable structure, is suitable to Automated assembly；Retaining element is provided with groove step and prevents the middle part of flexible member from upwards turning on one's side, and the mounting structure of flexible member is more solid and reliable。Flexible member is V-arrangement spring wire, and the arc section at middle part is used for fixing, and the flat segments at two ends provides for clamp rail and installs fastening force, and arc-shaped boss and cylindrical boss form the installation groove of the arc-shaped for installing fixing arc section, and Stability Analysis of Structures is reliable。The middle part of cylindrical boss is provided with fluting so that cylindrical boss has certain elasticity, and arc section can be installed better with arc-shaped boss and coordinate；The top of cylindrical boss is set to plane, and the intensity of cylindrical boss is higher, and the installation of spring wire is more firm。

Accompanying drawing explanation

Fig. 1 is the structural representation that this utility model V-arrangement spring wire is installed with Foundation Plate of Contactor；

Fig. 2 is that this utility model V-arrangement spring wire installs another angle schematic diagram with Foundation Plate of Contactor；

Fig. 3 is another embodiment schematic diagram that this utility model V-arrangement spring wire is installed with Foundation Plate of Contactor；

Fig. 4 is another embodiment schematic diagram that this utility model V-arrangement spring wire is installed with Foundation Plate of Contactor；

Fig. 5 is the structural representation of this utility model V-arrangement spring wire；

Fig. 6 is this utility model catalyst pedestal and base assembling structural representation；

Fig. 7 is this utility model Foundation Plate of Contactor and the schematic diagram of base interior structure。

Detailed description of the invention

Below in conjunction with the embodiment that accompanying drawing 1 to 7 provides, further illustrate the detailed description of the invention of electrical equipment of the present utility model and the mounting structure of clamp rail。The mounting structure of electrical equipment of the present utility model and clamp rail is not limited to the following description。

As Figure 1-4, what the mounting structure of this utility model electrical equipment and clamp rail provided is the mounting structure of a kind of catalyst and clamp rail。Electrical equipment is installed with clamp rail by the bottom of base 2；The two ends, bottom of base 2 are protruded and are provided with positive stop lug boss 21, form the mounting groove 22 for installing clamp rail between the positive stop lug boss 21 at two ends, and the positive stop lug boss 21 of the bottom end of base 2 is provided with the snap-fit grooves 211 that the one end with clamp rail is fixing；Also include flexible member 3 and retaining element 4, flexible member 3 is installed on while elastic deformation occurs on retaining element 4, fixed by retaining element 4 in the middle part of flexible member 3, two ends are stretched in snap-fit grooves 211, one end of clamp rail is stretched into the two ends deformation of compression elastic element 3 in snap-fit grooves 211 and is produced to install fastening force, and the other end is made electric mounting in clamp rail by the positive stop lug boss 21 of the other end is spacing bottom base 2。

As shown in Figure 1-2, retaining element 4 is located at the bottom end of base 2, and retaining element 4 is provided with the groove step 403 preventing the middle part of flexible member 3 from upwards turning on one's side。The mounting structure of this utility model electrical equipment and clamp rail, by arranging snap-fit grooves at the positive stop lug boss of base one end, and flexible member and retaining element are set, fixed by retaining element in the middle part of flexible member, flexible member two ends extend in snap-fit grooves, the two ends of one end compression elastic element of clamp rail produce to install fastening force, and the other end is made electric mounting in clamp rail by the positive stop lug boss of the base bottom other end is spacing；This kind of mounting structure is reasonable, and one hand can complete installing/dismounting, simple and stable structure, is suitable to Automated assembly；Retaining element is provided with groove step and prevents the middle part of flexible member from upwards turning on one's side, and the mounting structure of flexible member is more solid and reliable。

As in figure 2 it is shown, retaining element 4 includes cylindrical boss 42 separately positioned in the middle part of arc-shaped boss 41 and arc-shaped boss 41, between arc-shaped boss 41 and cylindrical boss 42, form the installation groove 402 of the arc-shaped installing arc section 31；The side of cylindrical boss 42 is located at by groove step 403。After flexible member 3 elastic deformation, middle part is installed in installation groove 402 fixing。Retaining element is provided with the middle part installing groove 402 for elastic elements 3, stabilized structure。

Such as Fig. 2, shown in 5, flexible member 3 is V-arrangement spring wire, including the flat segments 32 that arc section 31 and arc section 31 two ends at middle part are arranged, arc section 31 is installed in installation groove 402 fixing, and spacing by groove step 403, the flat segments 32 at two ends tilts to mounting groove 22 direction to stretch in snap-fit grooves 211 installs fastening force by deformation generation；Flexible member 3 is V-arrangement spring wire, the arc section 31 at middle part is used for fixing, the flat segments 32 at two ends provides for clamp rail and installs fastening force, arc section 31 includes the straightway 312 being connected to arc section 31 two ends and the circular arc turn section 311 being connected with the other end of straightway 312, and the other end of circular arc turn section 311 is connected with flat segments 32。Angle between the flat segments 32 that arc section 31 two ends are arranged is 145 degree of-170 degree。So that two ends flat segments 32 has good elasticity, it is preferable that between two ends flat segments 32, angle is 145 degree of-170 degree。

As in figure 2 it is shown, specifically, the middle part of cylindrical boss 42 is provided with fluting 421。The middle part of cylindrical boss 42 is provided with fluting 421 so that cylindrical boss 42 has certain elasticity, and the top of cylindrical boss 42 is plane so that the intensity of cylindrical boss 42 is higher, and the fixed structure of spring wire is more firm。Arc section 31 can be installed better with arc-shaped boss and coordinate。Cylindrical boss 42 be provided with fixed groove 401 towards arc-shaped boss 41 1 side bottom, fixed groove 401 be formed over groove step 403, arc section 31 is stuck in fixed groove 401。Arc section 31 is stuck in fixed groove 401, and spacing by groove step 403 buckle, it is prevented that in the middle part of spring wire, stress is upwards turned on one's side, and stabilized structure is reliable。The first groove 24 it is provided with in the middle part of the positive stop lug boss 21 of base 2 bottom end, retaining element 4 is located in the first groove 24 near mounting groove 22 one end, arc-shaped boss 41 two ends of retaining element 4 are provided with linking arm 43, and linking arm 43 is connected with the positive stop lug boss 21 of the first groove 24 both sides；The positive stop lug boss 21 of arc-shaped boss 41, linking arm 43 and base 2 one end is one-body molded。Retaining element 4 is located in the first groove 24, compact conformation, and the positive stop lug boss 21 of arc-shaped boss 41, linking arm 43 and base 2 one end is one-body molded, and retaining element 4 is easy to process, solid and reliable。

As shown in Figure 3,4, retaining element 4 is located at the bottom end of base 2, and retaining element 4 is provided with the pockets 404 held in the middle part of flexible member 3, and the upper side wall of pockets 404 downwardly extends and is provided with the buckle projection 405 preventing ejecting in the middle part of flexible member 3。The mounting structure of this utility model electrical equipment and clamp rail, by arranging snap-fit grooves at the positive stop lug boss of base one end, and flexible member and retaining element are set, fixed by retaining element in the middle part of flexible member, flexible member two ends extend in snap-fit grooves, the two ends of one end compression elastic element of clamp rail produce to install fastening force, and the other end is made electric mounting in clamp rail by the positive stop lug boss of the base bottom other end is spacing；This kind of mounting structure is reasonable, and one hand can complete installing/dismounting, simple and stable structure, is suitable to Automated assembly；Retaining element is provided with the pockets held in the middle part of flexible member, and the upper side wall of pockets downwardly extends and arranges buckle projection and prevent flexible member from ejecting, and the fixed structure of flexible member is solid and reliable。

As shown in Figure 4, arc section 32 loads and is snapped protruding 405 in pockets 404 and stops spacing, is tilted to extend in snap-fit grooves 211 to mounting groove 22 direction by the flat segments 32 at two ends。

As shown in Figure 4, specifically, buckle protruding 405 is that Elastic buckle is protruding, and during installation, buckle protruding 405 occurs elastic deformation to make arc section 31 load in pockets 404, and after loading, buckle protruding 405 restores to the original state the middle part buckle of arc section 31 is spacing。The distance of the bottom of 4 buckle projection 405 to mounting grooves 22 is less than the diameter of spring wire。The distance of the bottom of buckle projection 405 to mounting groove 22 is less than the diameter of spring wire so that buckle is protruding can be clasped more closely with spring wire。Buckle protruding 405 is multiple, leaves gap 405b between multiple buckle projections 405。Gap 405b it is provided with so that keep certain elastic between buckle projection, it is simple to the installation of flexible member between buckle projection 405。The end of buckle projection 405 is provided with, towards the installation direction of arc section 32, the first inclined-plane 405a being easy to arc section 32 loading。First inclined-plane 405a makes arc section be conveniently loaded in pockets。

As shown in Figure 4, specifically, the first groove 24 it is provided with in the middle part of the positive stop lug boss 21 of the bottom end of base 2, retaining element 4 is located in the first groove 24 near mounting groove 22 one end, first groove 24 and the through setting of mounting groove 22, retaining element includes the semicircle projection 44 at middle part and connects the connection raised line 45 being arranged on semicircle projection 44 two ends, and the raised line 45 that connects at two ends is connected with the positive stop lug boss 21 of base 2 one end, and pockets 404 is located on semicircle projection 44；The positive stop lug boss 21 of semicircle projection 44, connection raised line 45 and base 2 one end is one-body molded。Retaining element 4 is located in the first groove 24, compact conformation, and the positive stop lug boss 21 of semicircle projection 44, connection raised line 45 and base 2 one end is one-body molded, and retaining element 4 is easy to easy to process, Stability Analysis of Structures。

As Figure 1-4, the positive stop lug boss 21 of the bottom end of base 2 protrudes to mounting groove 22 and arranges buckle projection 23, forms snap-fit grooves 211 between buckle projection 23 and mounting groove 22。The positive stop lug boss 21 at the two ends, bottom of base 2 respectively two, four positive stop lug boss 21 lay respectively at four corners bottom base 2, two positive stop lug boss 21 of base 2 one end protrude respectively and arrange a buckle projection 23, form a snap-fit grooves 211 between each buckle projection 23 and mounting groove 22。In Fig. 4, buckle projection 23 is provided with, towards the installation direction of clamp rail one end, the second inclined-plane 231 being easy to assembling。Guiding is installed in one end that second inclined-plane 231 is clamp rail。

As shown in fig. 6-7, this utility model catalyst, including base 2 and the pedestal 1 being installed on base 2, the sidewall of base 2 is simultaneously provided with the positioning element with accessory module and coordinates the fixing short slot 201 installed and make moving component insertion pedestal 1 inside of accessory module contact, with contact support 5, the interspersed through holes 202 coordinated。Fixed groove and the interspersed through hole of catalyst and accessory module location and installation are located on base by this utility model catalyst simultaneously, relative position size is easily controlled, realize accessory module and position installation with catalyst accurately and conveniently, the fixed groove and the interspersed through hole that solve existing contactor construction are respectively arranged on base and pedestal the accessory module brought and position inaccurate, the problem of installation difficulty。

As shown in Figure 6, base 2 is in I shape, including connection support 25 and the fixed support 26 at pony sill 27 and pony sill 27 two ends。The novel structure of base 2, base 2 is connected fixing by connecting support 25 with pedestal 1, and fixed structure is stablized compact。This utility model catalyst increases connection support 25 structure, and base shifts up relative to existing pedestal so that interspersed through hole and fixing short slot 201 are located on base 2 simultaneously。One end that connection support 25 is connected with pedestal 1 is protruded and is provided with installation protruding 221, and pedestal 1 is provided with the sidewall connecting support 25 connection and installs protruding 221 corresponding installation fit 11；The through hole 202 that interts is arranged near installing protruding 221, and fixing short slot 201 is located at and is connected the both sides being positioned at interspersed through hole 202 on support 25。The projection 221 of installing of base 2 coordinates installation with the installation fit 11 of pedestal 1, interts through hole 202 near protruding 221 settings of installation, installs protruding 221 simultaneously and make interspersed through hole 202 have enough spaces to be located on base 2。Connect the length length equal to pedestal 1 of support 25。Connecting the length length equal to pedestal 1 of support 25, one side mounting structure therebetween is compacter, and the mounting structure of this kind of base 2 and pedestal 1 is novel on the other hand, it is simple to the installation of accessory module。This utility model catalyst can also the extending design that faces down that connects of part pedestal and base engagement, interspersed through hole and fixing short slot 201 are located on pedestal 1 simultaneously。

As shown in Figure 6, the through hole 202 that interts is U-shaped through hole, including the rectangular through holes part 201b of semi-circular through hole part 201a above and lower section。Fixing short slot 201 is square, circular or oval。Interspersed through hole 202 and fixing short slot 201 can be arranged to other shapes, and the quantity of fixing short slot 201 can be made adjustment according to practical situation。

As it is shown in fig. 7, contact support 5 contacts the one end coordinated with auxiliary contact is provided with buckle U-lag 501, the buckle U-lag 501 of contact support 5 extends interspersed through hole 202 place and contacts cooperation with the motion portion of the auxiliary contact as accessory module。Contact is supported that the buckle U-lag 501 of one end contacts with the motion portion of accessory module and is coordinated the linkage realizing contact support with accessory module。

Above content is in conjunction with concrete preferred implementation further detailed description of the utility model, it is impossible to assert that of the present utility model being embodied as is confined to these explanations。For this utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, it is also possible to make some simple deduction or replace, protection domain of the present utility model all should be considered as belonging to。

Claims (10)

1. the mounting structure of an electrical equipment and clamp rail, it is characterised in that: electrical equipment is installed with clamp rail by the bottom of base (2)；

The two ends, bottom of base (2) are protruded and are provided with positive stop lug boss (21), forming the mounting groove (22) for installing clamp rail between the positive stop lug boss (21) at two ends, the positive stop lug boss (21) of the bottom end of base (2) is provided with the snap-fit grooves (211) that the one end with clamp rail is fixing；

Also include flexible member (3) and retaining element (4), flexible member (3) is installed on retaining element (4) while elastic deformation occurs, flexible member (3) middle part is fixed by the groove step (403) of retaining element (4), two ends are stretched in snap-fit grooves (211) provides elastic force to clamp rail, one end of clamp rail is stretched into the two ends deformation of snap-fit grooves (211) interior compression elastic element (3) and is produced to install fastening force, and the other end is made electric mounting in clamp rail by the positive stop lug boss (21) of base (2) the bottom other end is spacing；

Retaining element (4) is located at the bottom end of base (2), and retaining element (4) is provided with the groove step (403) preventing the middle part of flexible member (3) from upwards turning on one's side。

2. the mounting structure of electrical equipment according to claim 1 and clamp rail, it is characterized in that: described retaining element (4) is provided with installs, with flexible member (3) middle part, the installation groove (402) coordinated, and is installed in installation groove (402) fixing in the middle part of after flexible member (3) elastic deformation；Retaining element (4) includes cylindrical boss (42) separately positioned in the middle part of arc-shaped boss (41) and arc-shaped boss (41), forms the installation groove (402) of the arc-shaped at elastic elements (3) middle part between arc-shaped boss (41) and cylindrical boss (42)；The side of cylindrical boss (42) is located at by groove step (403)。

3. the mounting structure of electrical equipment according to claim 2 and clamp rail, it is characterized in that: described flexible member (3) is V-arrangement spring wire, including the flat segments (32) that arc section (31) and arc section (31) two ends at middle part are arranged, it is fixing that arc section (31) is installed in installation groove (402), and spacing by the groove step (403) of cylindrical boss (42), the flat segments (32) at two ends tilts to stretch in snap-fit grooves (211) to mounting groove (22) direction installs fastening force by deformation generation。

4. the mounting structure of electrical equipment according to claim 3 and clamp rail, it is characterised in that: the middle part of described cylindrical boss (42) is provided with fluting (421)；The top of cylindrical boss (42) is plane。

5. the mounting structure of electrical equipment according to claim 3 and clamp rail, it is characterized in that: described cylindrical boss (42) be provided with fixed groove (401) towards arc-shaped boss (41) side bottom, fixed groove (401) be formed over groove step (403), arc section (31) is stuck in fixed groove (401)。

6. the mounting structure of electrical equipment according to claim 3 and clamp rail, it is characterized in that: positive stop lug boss (21) middle part of described base (2) bottom end is provided with the first groove (24), retaining element (4) is located in the first groove (24) near mounting groove (22) one end, arc-shaped boss (41) two ends of retaining element (4) are provided with linking arm (43), and linking arm (43) is connected with the positive stop lug boss (21) of the first groove (24) both sides；The positive stop lug boss (21) of described arc-shaped boss (41), linking arm (43) and base (2) one end is one-body molded。

7. the mounting structure of electrical equipment according to claim 3 and clamp rail, it is characterized in that: straightway (312) that described arc section (31) includes being connected to arc section (31) two ends and the circular arc turn section (311) being connected with the other end of straightway (312), the other end of circular arc turn section (311) is connected with flat segments (32)。

8. the mounting structure of electrical equipment according to claim 1 and clamp rail, it is characterized in that: the positive stop lug boss (21) of the bottom end of described base (2) protrudes to mounting groove (22) and arranges buckle projection (23), forms snap-fit grooves (211) between buckle projection (23) and mounting groove (22)。

9. the mounting structure of electrical equipment according to claim 1 and clamp rail, it is characterized in that: the positive stop lug boss (21) at the two ends, bottom of base (2) respectively two, four positive stop lug boss (21) lay respectively at four corners of base (2) bottom, two positive stop lug boss (21) of base (2) one end are protruded respectively and are arranged a buckle projection (23), form a snap-fit grooves (211) between each buckle projection (23) and mounting groove (22)。

10. a catalyst, mounting structure including the arbitrary described electrical equipment of claim 1-9 with clamp rail, it is characterized in that: also include the pedestal (1) being installed on base (2), the sidewall of base (2) is simultaneously provided with the positioning element with accessory module and coordinates the fixing short slot (201) installed and make the moving component of accessory module insert the internal interspersed through hole (202) contacting cooperation with contact support (5) of pedestal (1)；Base (2) is provided with installation protruding (221) with protruding in the middle part of one end that pedestal (1) is connected, and the sidewall that pedestal (1) connects with connection support (25) is provided with corresponding with installing projection (221) installs fit (11)；Base (2) is in I shape, connection support (25) and fixed support (26) including pony sill (27) and pony sill (27) two ends, protruding (221) are installed and are located at the middle part connecting support (25), the through hole (202) that interts is arranged near installing protruding (221), and fixing short slot (201) is located at and is connected the both sides being positioned at interspersed through hole (202) on support (25)。