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CN-122025451-A - Measuring switch

CN122025451ACN 122025451 ACN122025451 ACN 122025451ACN-122025451-A

Abstract

The application relates to the field of circuit devices, in particular to a measuring switch, which comprises an upper shell, a lower shell and a maintenance device, wherein a plurality of fixing holes for screws to penetrate are formed in the surface of the upper shell at intervals, a plurality of threaded holes for screws to screw are formed in the surface of the lower shell at intervals, when the upper shell is spliced to form a shell by covering the upper shell, the fixing holes are in one-to-one correspondence and are communicated with the threaded holes, the end parts of the screws penetrate through the fixing holes and are screwed and fixed on the inner wall of the threaded holes, the maintenance device comprises a limiting assembly and a plurality of screwdrivers, the limiting assembly is connected between the lower shell and the upper shell, and the limiting assembly can limit the screwdrivers on the surface of the shell. The spacing component and the screw driver are arranged in the application, so that workers can conveniently take screw drivers of various types, the screw drivers are matched with screws one by one, thereby improving the maintenance efficiency of the measuring switch, shortening the maintenance period of the measuring switch, and improving the use convenience of the measuring switch.

Inventors

  • ZHANG QIANG
  • YU YONGHUI
  • YANG YAJIE
  • LI HU
  • LI HAIBO

Assignees

  • 台州安耐杰电力设备有限公司

Dates

Publication Date
20260512
Application Date
20260401

Claims (10)

  1. 1. The measuring switch is characterized by comprising an upper shell (1), a lower shell (2) and a maintenance device (3), wherein a plurality of fixing holes (11) for screws to penetrate are formed in the surface of the upper shell (1) at intervals, a plurality of screw tightening threaded holes (21) are formed in the surface of the lower shell (2) at intervals, when the lower shell (2) covers the upper shell (1) to be spliced to form a shell (4), the fixing holes (11) are in one-to-one correspondence and are communicated with the threaded holes (21), the fixing holes (11) are formed in the end portions of the screws in a penetrating mode and are screwed tightly to be fixed on the inner wall of the threaded holes (21), the maintenance device (3) comprises a limiting assembly (31) and a plurality of screwdrivers (32), the limiting assembly (31) is connected between the lower shell (2) and the upper shell (1), and the limiting assembly (31) can limit the screwdrivers (32) on the surface of the shell (4).
  2. 2. The measuring switch of claim 1, wherein the limiting component (31) comprises a plurality of positioning strips (311), one ends of the positioning strips (311) are connected to the surface of the lower shell (2) facing the upper shell (1) at intervals, the other ends of the positioning strips (311) protrude out of the end face of the lower shell (2), a plurality of positioning cavities (12) for embedding the end parts of the positioning strips (311) are formed in one-to-one correspondence on the surface of the upper shell (1), a plurality of positioning holes (3111) for penetrating a screwdriver (32) cutter bar are formed in the surface of the positioning strips (311) at intervals, the arrangement direction of the positioning holes (3111) and the length direction of the positioning strips (311) are parallel to each other, and the inner wall of the positioning holes (3111) abuts against the outer circumferential surface of the screwdriver (32) cutter bar to form limiting.
  3. 3. The measuring switch of claim 2, wherein the limiting component (31) further comprises a plurality of limiting strips (312), one ends of the limiting strips (312) are connected to the surface of the upper shell (1) facing the lower shell (2) at intervals, the other ends of the limiting strips (312) protrude out of the end face of the upper shell (1), a plurality of limiting cavities (22) for embedding the end parts of the limiting strips (312) are correspondingly formed in the surface of the lower shell (2), the limiting strips (312) are located between two adjacent positioning strips (311), a plurality of limiting holes (3121) for penetrating a screwdriver (32) are formed in the surface of the limiting strips (312) at intervals, the limiting holes (3121) correspond to the positioning holes (3111) one by one, and the inner walls of the limiting holes (3121) can be abutted to the peripheral surfaces of the screwdrivers (32) to form limiting.
  4. 4. The measuring switch of claim 3, wherein the limiting assembly (31) further comprises a plurality of accommodating blocks (313), the accommodating blocks (313) are connected to the surface of the upper shell (1) and the surface of the lower shell (2) at intervals, the arrangement direction of the accommodating blocks (313) and the length direction of the positioning strips (311) are parallel to each other, the accommodating blocks (313) are in one-to-one correspondence with the positioning holes (3111), the accommodating blocks (313) are provided with accommodating cavities (3131) for accommodating the tool bits of the screwdrivers (32) on the surfaces, and the inner walls of the accommodating cavities (3131) are abutted against the outer circumferential surfaces of the tool bits of the screwdrivers (32) to form shielding.
  5. 5. The measuring switch of claim 4, wherein the limiting assembly (31) further comprises a plurality of clamping blocks (314), a plurality of clamping cavities (24) for sliding the clamping blocks (314) are arranged on the surface of the lower shell (2) and the surface of the upper shell (1) at intervals, the sliding directions of the clamping blocks (314) and the axes of the positioning holes (3111) are perpendicular to each other, the clamping blocks (314) are in one-to-one correspondence with the containing blocks (313), the clamping blocks (314) and the containing blocks (313) are located at two ends of the arrangement direction of the positioning strips (311), and when a screwdriver (32) bit is inserted into the containing cavity (3131), the clamping blocks (314) are driven to slide towards a direction close to the screwdriver (32), and the end faces of the clamping blocks (314) are abutted against the end faces of a screwdriver handle and limit a screwdriver (32) bit in the containing cavity (3131).
  6. 6. The measuring switch of claim 5, wherein the limiting assembly (31) further comprises a plurality of first elastic members (315), the first elastic members (315) are in one-to-one correspondence with the clamping blocks (314), one ends of the first elastic members (315) in the elastic direction are connected to the inner wall of the clamping cavity (24), the other ends of the first elastic members (315) in the elastic direction are connected to the surface of the clamping blocks (314), the first elastic members (315) have a trend that the elastic force drives the clamping blocks (314) to slide towards a direction close to the screw driver (32), and the end faces of the clamping blocks (314) abut against the end faces of the tool handles of the screw driver (32) to form limiting.
  7. 7. The measuring switch of claim 4, wherein the limiting assembly (31) further comprises a plurality of opening and closing plates (316), the surfaces of the lower shell (2) and the upper shell (1) are respectively provided with a plurality of sliding grooves (23) for sliding the containing blocks (313) at intervals, the sliding directions of the containing blocks (313) and the axes of the positioning holes (3111) are mutually parallel, the opening and closing plates (316) are in one-to-one correspondence with the containing blocks (313) and are connected to the surfaces of the containing blocks (313) facing the positioning strips (311), opening and closing cavities (25) for sliding the opening and closing plates (316) are formed in the inner walls of the sliding grooves (23), the opening and closing cavities (25) are in one-to-one correspondence and are communicated with the clamping cavities (24), when the containing blocks (313) slide towards the direction close to the positioning strips (311), the opening and closing plates (316) shield the clamping cavities (24) and limit the clamping blocks (314) in the clamping cavities (24), and when the containing blocks (313) slide towards the direction far away from the positioning strips (311), the opening and closing plates (316) have no effect on the clamping cavities (24).
  8. 8. The measuring switch of claim 7, wherein the limiting assembly (31) further comprises a plurality of second elastic members (317), the second elastic members (317) are in one-to-one correspondence with the accommodating blocks (313), one ends of the second elastic members (317) in the elastic direction are connected to the inner wall of the sliding groove (23), one ends of the second elastic members (317) in the elastic direction are connected to the surface of the accommodating blocks (313) deviating from the opening and closing plate (316), the second elastic members (317) have a tendency that the elastic force drives the accommodating blocks (313) to slide towards the direction close to the positioning strips (311), and the surface of the opening and closing plate (316) shields the clamping cavity (24).
  9. 9. The measuring switch of claim 2, wherein the positioning strip (311) is connected with a clamping component (5), the clamping component (5) comprises a clamping block (51) and an elastic piece III (52), a slideway (3112) for sliding the clamping block (51) is formed in the end face of the positioning strip (311) protruding out of the lower shell (2), the sliding direction of the clamping block (51) and the axis of the positioning hole (3111) are parallel to each other, a clamping groove (13) for embedding the end part of the clamping block (51) is formed in the inner wall of the positioning cavity (12), one end of the elastic piece III (52) in the elastic direction is connected to the inner wall of the slideway (3112), the other end of the elastic piece III (52) in the elastic direction is connected to the surface of the clamping block (51), and the elastic piece III (52) has a trend of driving the end part of the clamping block (51) to be embedded into the clamping groove (13).
  10. 10. The measuring switch of claim 9, wherein the end of the clamping block (51) embedded in the clamping groove (13) is provided with a guide surface (511), the guide surface (511) is in a circular arc convex shape, and the guide surface (511) can be abutted against the inner wall of the positioning cavity (12) and guide the end of the clamping block (51) to be embedded in the clamping groove (13).

Description

Measuring switch Technical Field The present application relates to the field of circuit devices, and more particularly, to a measuring switch. Background The measuring switch is a device combining the functions of the traditional low-voltage switch electric appliance and the high-precision measurement technology, is mainly used for monitoring, controlling and protecting the distribution and utilization electric line, and is a key device of the intelligent power grid and the energy management system. The measuring switch comprises a shell, the shell is used for protecting internal components, the shell in the prior art comprises two shells, the two shells are fixedly connected through bolts to form the shell, when a worker maintains the measuring switch, the screwdriver bit is not matched, the maintenance of the measuring switch is interrupted, the maintenance period of the measuring switch is prolonged, and the inconvenience of using the measuring switch is reduced. Disclosure of Invention In order to improve the problem of the simplicity of the use of the measuring switch, the application provides a measuring switch. The application provides a measuring switch, which adopts the following technical scheme: The utility model provides a measurement switch, includes casing, lower casing and maintenance device, it is equipped with a plurality of fixed orifices that supply the screw to wear to establish to go up the casing surface interval, it is equipped with a plurality of screw holes that supply the screw to screw down the casing surface interval, works as down the casing lid is closed the casing concatenation and is formed the shell, fixed orifices and screw hole one-to-one and intercommunication, the screw tip wears to establish the fixed orifices and screw thread are screwed and are fixed at the screw hole inner wall, maintenance device includes spacing subassembly and a plurality of screwdriver, spacing subassembly is connected between casing and last casing down, spacing subassembly can be spacing at the shell surface with a plurality of screwdrivers. Through adopting above-mentioned technical scheme, when the staff maintains the measuring switch, select corresponding screwdriver according to the screw model in the fixed orifices, take down the screwdriver from spacing subassembly, make the staff conveniently take the screwdriver of each model, screwdriver and screw one-to-one to improve the maintenance efficiency to the measuring switch, shorten the maintenance cycle to the measuring switch, thereby improve the simplicity to the measuring switch use. Optionally, the spacing subassembly includes a plurality of locating strips, a plurality of locating strip one end interval connection is in the surface of casing orientation under the casing, a plurality of the casing terminal surface under the locating strip other end protrusion, a plurality of locating cavities that supply locating strip tip embedding have been seted up to last casing surface one-to-one, the locating strip surface interval is equipped with a plurality of locating holes that supply the screwdriver cutter arbor to wear to establish, the range direction of locating hole and the length direction of locating strip are parallel to each other, the locating hole inner wall supports tightly the screwdriver cutter arbor outer peripheral face and forms spacingly. Through adopting above-mentioned technical scheme, when the casing formed the shell under the last casing lid closed, the tip embedding location intracavity of casing under the locating strip protrusion, location intracavity wall butt locating strip outer wall forms spacingly, fixed orifices and screw hole one-to-one and intercommunication, preliminary location between upper casing and the lower casing is realized, when wearing to establish the fixed orifices with each screw through the screwdriver and screw up and fix at the screw hole inner wall, wear in proper order a plurality of locating holes with the cutter arbor tip that the screwdriver had the tool bit, locating hole inner wall butt screwdriver arbor outer peripheral face forms spacingly, realize accomodating of a plurality of screwdrivers on the locating strip, thereby make things convenient for the staff to take the screwdriver of each model and dismantle the outer shell. Optionally, the spacing subassembly still includes a plurality of spacing, a plurality of spacing one end interval connection is last casing orientation is the surface of casing down, a plurality of spacing other end protrusion upper housing terminal surface, a plurality of spacing chambeies that supply spacing tip embedding have been seted up to lower housing surface one-to-one, spacing is located between two adjacent locating strips, spacing surface interval is equipped with a plurality of spacing holes that supply the screwdriver cutter arbor to wear to establish, spacing hole and locating hole one-to-one, spacing downthehole wall can the butt screwdriver c