CN212461485U - Bolt crimping formula installation screen auto-change over device - Google Patents

Abstract

The utility model provides a bolt crimping formula installation screen auto-change over device, includes insulator cap (1), insulating handle (2), bolt (3), flat pad (4), switch plate (5), conductive tube (6), fixing base (7), lock nut (9), combination screw (10) and spherical washer (11) and constitutes, and this auto-change over device sets the polygon through the outline to bolt (3) and conductive tube (6), blocks respectively to locate in insulator cap (1) and fixing base (7), on internal thread hole (602) at conductive tube (6) both ends were located to bolt (3) and combination screw (10) cover respectively, realized that assembly man-hour is few, part quantity is few to the convenient mesh of installation wiring. The switching device has the characteristics of simple structure, convenience in mounting and dismounting, flexibility in use, reliable performance and the like, so that the assembly efficiency is greatly improved, the cost is reduced, and the applicability is improved.

Description

Bolt crimping formula installation screen auto-change over device

Technical Field

The utility model belongs to the electrical connector field, concretely relates to bolt crimping formula installation screen auto-change over device.

Background

The installation screen switching device is mainly applied to an installation screen of an electric power automation relay protection system and used for opening and closing an electric loop. The structure of the existing installation screen switching device mainly comprises a fixed seat, a stud arranged in the fixed seat and a switching piece sleeved on the stud, a flat pad, an elastic pad and a nut used for fixing and locking, and a knob nut, wherein the stud is longitudinally arranged in two holes of the fixed seat, and is simultaneously fixed in the fixed seat by the nut from top to bottom respectively, the upper end of the stud is respectively provided with the flat pad, the switching piece and the knob nut form an opening and closing part used for an electric loop, the lower end of the stud is respectively provided with a withdrawal-preventing nut, the flat pad, the elastic pad and the nut form a wiring part.

However, the installation panel switching device with the above structure adopts a crimping mode of the stud and the nut to realize the opening and closing of the wiring and control electric circuit, and has the following main disadvantages:

1. the installation screen switching device is in the assembling process, and has complex assembly process, low efficiency and high cost due to the fact that the number and the variety of parts of the product are various.

2. Because the product adopts double-screw bolt and nut cooperation structure, installation screen auto-change over device need install and dismantle with the help of special instrument in the installation use, so this product installation and dismantlement receive the instrument limitation inconvenient.

3. When the screen switching device is installed for wiring, a nut, an elastic pad and a flat pad at the lower end of the stud are firstly disassembled. Then, a lead with an O-shaped end is sleeved on the lower end of the stud in a pressing mode, and then the flat pad, the elastic pad and the nut are sequentially installed, so that the workload is large in the dismounting and installing processes, and the phenomena of falling and missing of parts and the like are easily caused.

4. In the existing installation screen switching device, a knob nut for locking the adapter sheet is an embedded plastic part, and the embedded plastic part of the knob nut has low production and processing efficiency and high cost.

SUMMERY OF THE UTILITY MODEL

Not enough more than, the utility model relates to a bolt crimping formula installation screen auto-change over device. Through the improvement of the internal structure of the installation screen switching device, the purposes of less assembly time, less parts and convenient installation and wiring are achieved, and the switching device has the characteristics of simple structure, convenient installation and disassembly, flexible use, reliable performance and the like.

In order to achieve the above purpose, the present invention is realized by the following technical solution:

the utility model provides a switching device is shielded in bolt crimping formula installation, includes insulator cap, insulating handle, bolt, flat pad, switching piece, current-conducting tube, fixing base, lock nut, combination screw and spherical washer and constitutes its characterized in that: the outer contours of the bolt and the conductive tube are arranged to be polygonal and are respectively clamped in the insulating cap and the fixed seat, and the bolt and the combined screw are respectively sleeved at two ends of the conductive tube.

The bolt sets up to the hexagonal stick, and bulb and double-screw bolt are set respectively to this bolt both ends, set up an annular I between bulb and double-screw bolt, and is further the insulator cap set up with bolt appearance assorted hexagonal counter bore, and set up at hexagonal counter bore entrance side with I assorted annular protruding muscle I of annular of bolt, this bolt is impressed the insulator cap through bulb end direction in the hexagonal counter bore, further through I card of annular protruding muscle in bolt annular I, guarantees that the bolt assembles into one wholly with the insulator cap.

The contact tube sets up to six square pipes, and the hexagonal inside pipe hole sets up to circularly, this contact tube hole both ends set up respectively with bolt and combination screw thread assorted internal thread hole to set up an annular II in the one end of contact tube, further the fixing base set up two with contact tube appearance assorted hexagonal through-hole, set up in two hexagonal through-holes with II assorted annular protruding muscle II of annular of contact tube, this bolt passes through on the fixing base hexagonal through-hole and annular protruding muscle II combined action down, guarantees that the bolt assembles into one wholly with the fixing base.

A bolt crimping formula installation screen auto-change over device which characterized in that: the insulating cap is provided with a hexagonal counter bore matched with the bolt in shape, and an annular convex rib I matched with the annular groove I of the bolt is arranged on the inlet side of the hexagonal counter bore.

The outline of bolt and electric conduction pipe sets up to the hexagon, can directly purchase standard hexagonal section bar and process, and the card is located prevent to rotate in insulating cap and the fixing base again, simple structure, production and processing are convenient.

The bolt is used for locking all parts at the upper end of the fixed seat in the bolt compression joint type installation screen switching device, so that the conductive parts are tightly attached, and the working reliability is improved.

The combined screw is used for locking the wire with the O-shaped end at the lower end of the fixed seat in the bolt compression joint type installation screen switching device, so that the wire is simple and reliable to install, the working process is simplified, and the working efficiency is improved.

Compared with the prior art, the beneficial effects of the utility model are that:

1. because a bolt crimping formula installation screen auto-change over device upper end's bolt outline sets up to the hexagon, offers a annular I simultaneously in the one end of bolt for the light pressure of bolt is riveted and is assembled in the insulator cap and become one wholly, realizes the bolt anticreep and prevents changeing the function, has improved among the current installation screen auto-change over device knob nut and has inlayed the phenomenon that mould technology production efficiency is low, effectual saving manufacturing cost improves production efficiency.

2. Because the outline of the internal conductive tube of the bolt crimping type installation screen switching device is set to be hexagonal, and meanwhile, an annular groove II is formed in one end of the conductive tube, the conductive tube is easily crimped in the fixing seat to be assembled into a whole, the functions of preventing the conductive tube from falling off and preventing rotation are realized, and the complex assembly process flow of installation and fixation between a stud and the fixing seat in the existing installation screen switching device is eliminated.

3. Because the internal thread structure is set to at the inside contact tube both ends of a bolt crimping formula installation screen auto-change over device, and the bolt and combination screw crimping are set to respectively to both ends, and this combination screw includes flat pad, bullet pad and screw constitution for the wiring is more convenient, removes the repeated dismantlement and the installation of nut, bullet pad and flat pad among the current installation screen auto-change over device from, has effectually simplified operating personnel's work flow.

The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the invention and these are intended to be within the scope of the invention.

Drawings

Fig. 1 is an exploded view of a bolt press-fit type installation screen switching device.

Fig. 2 is a partial cross-sectional view of a bolt press-fit type installation screen switching device.

Fig. 3 is an installation schematic diagram of a bolt press-connection type installation screen switching device.

List of reference numerals

1. Insulating cap

101. Annular convex rib I

102. Hexagonal counter bore

2. Insulating handle

3. Bolt

301. Ring groove I

302. Ball head

303. Stud bolt

4. Flat pad

5. Switching piece

6. Conductive tube

601. Ring groove II

602. Internal threaded hole

7. Fixed seat

701. Hexagonal through hole

702. Annular convex rib II

8. Mounting panel

9. Locking nut

10. Combined screw

11. Spherical washer

12. And an O-shaped end.

Detailed Description

Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.

The present invention will be further described with reference to the accompanying drawings.

As shown in fig. 1-3, a bolt crimping formula installation screen auto-change over device comprises insulator cap (1), insulating handle (2), bolt (3), flat pad (4), switch piece (5), conductive tube (6), fixing base (7), lock nut (9), combination screw (10) and spherical washer (11), its characterized in that: the outer contours of the bolt (3) and the conducting tube (6) are arranged to be polygonal and are respectively clamped in the insulating cap (1) and the fixing seat (7), and the bolt (3) and the combined screw (10) are respectively sleeved at two ends of the conducting tube (6).

Bolt (3) set up to the hexagonal stick, bulb (302) and double-screw bolt (303) are set to respectively to this bolt (3) both ends, set up an annular I (301) between bulb (302) and double-screw bolt (303), further insulating cap (1) set up with bolt (3) appearance assorted hexagonal counter bore (102), and set up at hexagonal counter bore (102) entrance side with I (301) assorted annular protruding muscle I (101) of annular of bolt (3), this bolt (3) are pressed in insulating cap (1)'s hexagonal counter bore (102) through bulb (302) end direction, further block in bolt (3) annular I (301) through annular protruding muscle I (101), guarantee that bolt (3) and insulating cap (1) assemble into an organic wholely.

Conductive tube (6) set up to six square pipes, and the hexagonal intraductal hole sets to circularly, this conductive tube (6) hole both ends set respectively with bolt (3) and combination screw (10) screw thread assorted internal thread hole (602) to set up an annular II (601) in the one end of conductive tube (6), further fixing base (7) set up two with conductive tube (6) appearance assorted hexagonal through-hole (701), set up in two hexagonal through-holes (701) with annular II (601) assorted annular protruding muscle II (702) of conductive tube (6), this bolt (3) are through six square through-hole (701) and annular protruding muscle II (702) combined action on fixing base (7) down, guarantee that bolt (3) and fixing base (7) assemble one whole.

The outline of bolt (3) and current-conducting tube (6) sets up to the hexagon, can directly purchase standard hexagonal section bar and process, and the card is located prevent rotation in insulator cap (1) and fixing base (7) again, simple structure, production and processing are convenient.

The bolt (3) is used for locking all parts at the upper end of the fixing seat (7) in the bolt compression joint type mounting screen switching device, so that the conductive parts are tightly attached, and the working reliability is improved.

The combined screw (10) is used for locking a wire of which the lower end of a fixed seat (7) is provided with an O-shaped end (12) in the bolt compression joint type mounting screen switching device, so that the reliable mounting of the wire is ensured, the working process is simplified, and the working efficiency is improved.

Through the above embodiment, a bolt crimping formula installation screen auto-change over device, concrete operation flow is as follows:

during installation, firstly, a locking nut (9) on the bolt compression type installation screen switching device is detached, a fixed seat (7) is inserted into an installation hole of a control cubicle installation panel (8), and then the locking nut (9) is screwed into a thread on the fixed seat (7) from the inner side of the installation panel (8) to firmly install the bolt compression type installation screen switching device; then the combined screw (10) is disassembled, a lead with an O-shaped end (12) is sleeved on the combined screw (10), and then the lead is screwed on the conductive tube (6).

And after the installation of the switching device is completed, switching action is carried out: firstly, a bolt (3) with an insulating cap (1) is unscrewed, and then the insulating handle (2) is pulled, so that the switching piece (5) rotates left and right, and the closing or opening action of an electric loop is realized.

The bolt crimping type installation screen switching device has the advantages that the internal structure of the installation screen switching device is improved, the purposes of small assembly time, small number of parts and convenience in installation and wiring are achieved. The switching device has the characteristics of simple structure, convenience in mounting and dismounting, flexibility in use, reliable performance and the like, so that the assembly efficiency is greatly improved, the cost is reduced, and the applicability is improved.

Claims (5)

1. The utility model provides a switching device is shielded in bolt crimping formula installation, includes insulator cap (1), insulating handle (2), bolt (3), flat pad (4), switch piece (5), current-conducting tube (6), fixing base (7), lock nut (9), combination screw (10) and spherical surface packing ring (11) and constitutes its characterized in that: the outer contours of the bolt (3) and the conducting tube (6) are arranged to be polygonal and are respectively clamped in the insulating cap (1) and the fixing seat (7), and the bolt (3) and the combined screw (10) are respectively sleeved at two ends of the conducting tube (6).

2. A bolt press-fit type installation screen switching apparatus as claimed in claim 1, wherein: the bolt (3) is a hexagonal rod, the two ends of the bolt (3) are respectively provided with a ball head (302) and a stud (303), and an annular groove I (301) is formed between the ball head (302) and the stud (303).

3. A bolt press-fit type installation screen switching apparatus as claimed in claim 1, wherein: the conductive tube (6) is arranged to be a hexagonal tube, the inner hole of the hexagonal tube is arranged to be circular, two ends of the inner hole of the conductive tube (6) are respectively arranged to be inner threaded holes (602) matched with the threads of the bolt (3) and the combined screw (10), and one end of the conductive tube (6) is provided with an annular groove II (601).

4. A bolt press-fit type installation screen switching apparatus as claimed in claim 1, wherein: the insulating cap (1) is provided with a hexagonal counter bore (102) matched with the appearance of the bolt (3), and an annular convex rib I (101) matched with an annular groove I (301) of the bolt (3) is arranged on the inlet side of the hexagonal counter bore (102).

5. A bolt press-fit type installation screen switching apparatus as claimed in claim 1, wherein: the fixing seat (7) is provided with two hexagonal through holes (701) matched with the appearance of the conductive tube (6), and annular convex ribs II (702) matched with annular grooves II (601) of the conductive tube (6) are arranged in the two hexagonal through holes (701).

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