CN201323140Y

CN201323140Y - Totally-enclosed protective pressure plate

Info

Publication number: CN201323140Y
Application number: CNU200820141174XU
Authority: CN
Inventors: 任志昊; 李强
Original assignee: Chengdu Reliance Electric Co Ltd
Current assignee: Chengdu Reliance Electric Co Ltd
Priority date: 2008-11-05
Filing date: 2008-11-05
Publication date: 2009-10-07
Anticipated expiration: 2018-11-05

Abstract

The utility model discloses a totally-enclosed protective pressure plate which comprises a plug-in connection block (1), a metal plug bush (17), a locking nut (7), a line-pressing screw (9), a gasket (8) and the like. The plug-in connection block (1) is arranged in a fixed box (2), and a box cover (4) capable of being opened and closed is arranged on the fixed box (2). The utility model has the advantages that the operation parts of the protective pressure plate, which are used for cutting off and converting circuits, are fully enclosed in the fixed box (2); and a dovetail groove (v) is arranged outside of the periphery of the fixed box (2), so that a plurality of protective pressure plates can be combined and assembled to use through the dovetail groove. The utility model has the advantages of convenient installation and safe operation, and can be used through the combination assembly.

Description

A kind of totally-enclosed protection pressing plate

Technical field

The utility model relate to use in a kind of electric device cut-off the translation and protection switch, especially a kind ofly be used for disconnecting or the protection pressing plate of commutation circuit of relay-set and control cubicle, belong to the electric power protection technical field.

Background technology

In automatic control and field of power electronics; the protection pressing plate is widely used in relay-set and the control cubicle; the function of performance cut-out or change-over circuit; in circuit, shield; cooperate work such as the test finish circuit in protection screen or the control cubicle and maintenance; existing protection pressing plate has two kinds of structures; a kind of is pole structure; another kind is a bar formula structure; trouble all exist to be installed, electric-conductor is exposed and can not the composite assembly use etc. deficiency; its installation effectiveness is low, and in the test of carrying out circuit and testing process, the operator has the potential safety hazard of electric shock.

Summary of the invention

In order to solve the prior art above shortcomings; the utility model proposes a kind of totally-enclosed protection pressing plate; it is by the grafting piece; the metal sleeve; locking nut; composition such as line pressing bolt and packing ring; the grafting piece is arranged in the fixed bin; fixed bin is provided with lid to be opened/closed; the utility model will be protected and be used in the pressing plate cutting off; the operation part of change-over circuit all has been enclosed in the fixed bin; the outside also is provided with dovetail groove around fixed bin simultaneously; the composite assembly that can realize a plurality of protection pressing plates by this dovetail groove uses; when the utility model is installed; screw off locking nut and line pressing bolt; the countersunk head of fixed bin is partly packed on relay-set or the control cubicle mounting panel in the corresponding square hole; screw locking nut again; can the utility model be pressed on the mounting panel by fixation clip, the utility model is easy for installation; handling safety and energy composite assembly use.

The utility model solves its technical problem; the technical scheme that is adopted is: a kind of totally-enclosed protection pressing plate; comprise the grafting piece; the metal sleeve; locking nut; line pressing bolt and packing ring etc.; its design feature is: the grafting piece is arranged in the fixed bin; in the grafting piece, be provided with metal ferrule; fixed bin is provided with lid; at the bottom of the box of fixed bin, be provided with four square holes; the plastics double-screw bolt is installed in two square holes in four square holes at least; in the plastics double-screw bolt, be provided with the metal sleeve; the metal sleeve is provided with jack, and the metal ferrule in the grafting piece can insert in the jack of metal sleeve.

Above-mentioned totally-enclosed protection pressing plate is provided with transparent panel on lid, be provided with protruding rafter in the left and right sides of transparent panel, and transparent panel is installed in two corresponding on lid draw-in grooves by this protruding rafter, is provided with sign paper between transparent panel and lid.

Above-mentioned totally-enclosed protection pressing plate; outside at the metal sleeve is provided with elastic cuffs; the metal sleeve is placed in the axis hole of plastics double-screw bolt jointly together with the elastic cuffs that is enclosed within on its external diameter; metal sleeve, elastic cuffs and plastics double-screw bolt three have constituted stud component jointly, are installed in the square hole at the bottom of the fixed bin box.

Above-mentioned totally-enclosed protection pressing plate, the outside is provided with dovetail groove around fixed bin, on the box wall of fixed bin inboard, is provided with the attaching nut.

Above-mentioned totally-enclosed protection pressing plate is provided with sprue in the square hole that stud component is not installed at the bottom of the fixed bin box, the shape of square hole matches at the bottom of sprue profile and the fixed bin box, and sprue is provided with the hole.

Above-mentioned totally-enclosed protection pressing plate, the periphery of fixed bin is a ledge structure, is provided with the countersunk head part, it is the little exponent part of countersunk head near the position at the bottom of the box.

Above-mentioned totally-enclosed protection pressing plate; the square hole that is provided with at the bottom of the fixed bin box is cubic hole or hexagonal hole or arbitrary polygon square hole; in this square hole, insert the plastics double-screw bolt; the shape of square hole matches at the bottom of the shape of plastics double-screw bolt head and the fixed bin box, and its shape also is square or hexagon or polygon square arbitrarily.

Above-mentioned totally-enclosed protection pressing plate; in fixed bin, be provided with inner cover plate; inner cover plate is installed in the fixed bin by the back taper pin that is provided with on it; inner cover plate is provided with a plurality of via holes that supply metal ferrule to pass through; square hole position at the bottom of the position that via hole is provided with and the fixed bin box is corresponding, in the central authorities of inner cover plate arc-shaped concave is set also.

Above-mentioned totally-enclosed protection pressing plate; offer an observation window in lid one side; the position of corresponding this observation window on inner cover plate; be provided with a boss; this boss is provided with the sign of outage; the position of corresponding this observation window on the grafting piece; be provided with the sign of energising; when the grafting piece is inserted in the position of stud component; cover lid, what see from observation window is exactly the sign on the piece of pegging graft, when the grafting piece is inserted in the position of sprue; cover lid, what see from observation window is exactly sign on the boss.

Above-mentioned totally-enclosed protection pressing plate is provided with fixation clip between locking nut and fixed bin, four limits or two spring foldings of this fixation clip are hood-shaped.

Compared with prior art; the beneficial effects of the utility model are: because the utility model is arranged on the grafting piece in the fixed bin; fixed bin is provided with lid to be opened/closed; after operation is finished; only need to close upper box cover; protection can be used in the pressing plate to cut off, the operation part of change-over circuit all is enclosed in the fixed bin, realized totally-enclosedly, eliminated the potential safety hazard of operator's accidental shock.The beneficial effect that elastic cuffs is set outside the metal sleeve is, when the contact pin in the grafting piece injects the metal sleeve, metal sleeve and elastic cuffs all can corresponding distendings, elastic cuffs behind the distending can produce the reset force of an inside resilience under the effect of himself elastic force, reset force by elastic cuffs can allow contact pin closely contact with the metal sleeve, reduces contact resistance.

Under "on" position, metal ferrule in the grafting piece is to be inserted in the metal sleeve of stud component, and need to switch or during outage, promptly need metal ferrule is extracted in stud component, at the beneficial effect that four square holes are set at the bottom of the box of fixed bin is exactly the metal ferrule of extracting can be inserted again at the bottom of the box that sprue is housed in addition in the square hole, the problem that can put nowhere with the metal ferrule after avoiding extracting, another beneficial effect that four square holes are set at the bottom of the fixed bin box simultaneously can be installed a plurality of stud components exactly, to satisfy the multichannel handoff functionality of complicated circuit.

The beneficial effect that inner cover plate is set is, a plurality of via holes by the setting of inner cover plate corresponding position, can provide guide effect from the plug operation in the metal sleeve for metal ferrule, the beneficial effect that arc-shaped concave is set at the inner cover plate middle position is for manual operation grafting piece provides more favourable space, makes the operation hommization more of grafting piece.

The beneficial effect that transparent panel is set on lid is, between transparent panel and cover plate sign paper can be set, and can mark the sign of various needs on sign paper intuitively, and transparent panel both can constant mark paper, can not hinder the reading of sign again.

Arranged outside dovetail groove around fixed bin; and the beneficial effect that the attaching nut is set on the box wall of fixed bin inboard is a plurality of protection pressing plates can be assembled into one by this dovetail groove; when needs are combined a plurality of protection pressing plates; in the dovetail groove of adjacent two pressing plates, insert dovetails; a plurality of protection pressing plates can be bolted together, the attaching nut by the setting of fixed bin box wall can all be fixed on a plurality of assembling combination protection pressing plate together in the frame.

Description of drawings

Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.

Fig. 1 is that the utility model decomposes the structural representation of taking apart.

Fig. 2 is that the utility model is assembled into whole structural representation.

Fig. 3 is the structural representation of the utility model fixed bin.

Fig. 4 is the structural representation of the utility model inner cover plate.

Fig. 5 is the structural representation of the utility model lid.

Fig. 6 is the structural representation of the utility model stud component.

Fig. 7 is a plurality of the utility model assembling combination structural representations together.

Fig. 8 is that the utility model is installed to the scheme of installation on the mounting panel of relay-set or control cubicle.

Embodiment

Shown in Fig. 1-8; first kind of embodiment of the present utility model is: a kind of totally-enclosed protection pressing plate; comprise grafting piece 1; fixed bin 2; inner cover plate 3; lid 4; stud component 5; sprue 6; locking nut 7; packing ring 8 and line pressing bolt 9 etc.; be provided with the metal ferrule 10 of " U " type in the grafting piece 1; this contact pin 10 is that the handle by inserts injection molding way and grafting piece is set into one; contact pin 10 has only two pins to be exposed; remainder all is injection-moulded in the inside of grafting piece 1; the axis L of grafting piece 1 can insert in the hole of the axle sleeve H that is provided with at the bottom of fixed bin 2 boxes; after the insertion; by back-moving spring 11; spring socket sleeve 12 and pull-out piece spring screw 13 are connected to grafting piece 1 on the fixed bin 2; the axis L of grafting piece 1 can plug up and down in the axle sleeve H of fixed bin 2, and the effect of back-moving spring 11 is that grafting piece 1 is pulled back in fixed bin 2.

The connecting pin A that lid 4 is provided with by its both sides is installed in the connecting hole B of box mouth both sides of fixed bin 2, on lid 4, be provided with transparent panel 14, as shown in Figure 5, be provided with protruding rafter C in the left and right sides of transparent panel 14, transparent panel 14 can be installed in two corresponding on the lid 4 draw-in groove D by protruding rafter C, between transparent panel 14 and lid 4, be provided with sign paper 15, on sign paper 15, can mark the sign of various needs intuitively, transparent panel 14 both can constant mark paper 15, can not hinder the reading of sign again, also offer an observation window E in a side of lid 4.

At the bottom of the box of fixed bin 2, be provided with four square holes, stud component 5 is installed in two relative therein square holes, as shown in Figure 6, stud component 5 comprises plastics double-screw bolt 16, metal sleeve 17 and elastic cuffs 18, metal sleeve 17 should inject in the hole of elastic cuffs 18, both pack in the axis hole of plastics double-screw bolt 16 more together, the square toes end of plastics double-screw bolt 16 is packed at the bottom of fixed bin 2 boxes in relative two square holes, the end of thread stretches out at the bottom of the box of fixed bin 2, the external screw thread of plastics double-screw bolt 16 and locking nut 7 screw, to realize the fixing and installation of the present utility model of stud component 5.Sprue 6 is installed in two other the relative square hole at the bottom of fixed bin 2 boxes, and the shape of square hole matches at the bottom of the profile of sprue 6 and fixed bin 2 boxes, and sprue 6 is provided with the hole, and this hole can be inserted for metal ferrule 10.

Inner cover plate 3 is arranged in the fixed bin 2, inner cover plate 3 is installed in the fixed bin 2 by the back taper pin that is provided with on it, on inner cover plate 3, also be provided with four via holes that supply contact pin 10 to pass through, as shown in Figure 4, square hole position at the bottom of the position that via hole is provided with and fixed bin 2 boxes is corresponding, can provide guide effect from the plug operation in the metal sleeve 17 for metal ferrule 10, central authorities in inner cover plate 3 also are provided with arc-shaped concave, can be manual operation grafting piece 1 more favourable space is provided, make the operation hommization more of grafting piece 1; Also be provided with torsion spring 19 on inner cover plate 3, be provided with knocker 20 on fixed bin 2, need open the lid 4 o'clock, only need click lid 4, torsion spring 19 can flick lid 4; When needs are closed lid 4, lid 4 only need close, click lid 4 again, knocker 20 can be bitten the hook F on the lid 4, make the folding of its lid 4 convenient, the position of observation window E on corresponding lid 4 on the inner cover plate 3 in addition, be provided with a boss 21, boss 21 is provided with the sign " OFF " of outage, the position of corresponding this observation window E on grafting piece 1, be provided with the sign " ON " of energising, during position in grafting piece 1 is inserted in metal sleeve 17, cover lid 4, what see from observation window E is exactly the sign " ON " on the piece 1 of pegging graft, when grafting piece 1 is inserted in the position of sprue 6, cover lid 4, that see from observation window E is exactly sign OFF on the boss 21.

The periphery of fixed bin 2 is a ledge structure; be provided with the countersunk head part; it is the little exponent part of countersunk head near the position at the bottom of the box; this part can be packed on relay-set or the control cubicle mounting panel in the corresponding square hole, as shown in Figure 8, between fixed bin 2 and locking nut 7 fixation clip 22 is set; two spring foldings of fixation clip 22 are hood-like; fixed bin 2 screws locking nut 7 after being installed on the mounting panel 23 of control cubicle, just two bending angles of fixation clip 22 can be pressed on the mounting panel 23.

The outside is provided with dovetail groove V around fixed bin 2, and the opening direction of dovetail groove V around fixed bin 2 can be arranged alternately, and on the box wall of fixed bin 2 inboards, also attaching nut 24 can be set.When needs with a plurality of protection pressing plate composite assemblies together the time; V inserts dovetails 25 in the dovetail groove of adjacent two protection pressing plates; a plurality of protection pressing plates can be bolted together; attaching nut 24 by fixed bin 2 box wall settings can all be fixed on a plurality of assembling combination protection pressing plate together in the frame 26, as shown in Figure 7.

Packing ring 8 and housing screw 9 can link to each other with the screw end of metal sleeve 17, are pressed on the end face of metal sleeve 17 so that lead is connected.

Claims

1; a kind of totally-enclosed protection pressing plate; comprise grafting piece (1); metal sleeve (17); locking nut (7); line pressing bolt (9) and packing ring (8) etc.; it is characterized in that: grafting piece (1) is arranged in the fixed bin (2); in grafting piece (1), be provided with metal ferrule (10); fixed bin (2) is provided with lid (4); at the bottom of the box of fixed bin (2), be provided with four square holes; plastics double-screw bolt (16) is installed in two square holes in four square holes at least; in plastics double-screw bolt (16), be provided with metal sleeve (17); metal sleeve (17) is provided with jack, and the metal ferrule (10) in the grafting piece (1) can insert in the jack of metal sleeve (17).

2, a kind of totally-enclosed protection pressing plate according to claim 1; it is characterized in that: on lid (4), be provided with transparent panel (14); be provided with protruding rafter (C) in the left and right sides of transparent panel (14); transparent panel (14) is installed to lid (4) by protruding rafter (C) and goes up in corresponding two draw-in grooves (D), is provided with sign paper (15) between transparent panel (14) and lid (4).

3, a kind of totally-enclosed protection pressing plate according to claim 1; it is characterized in that: be provided with elastic cuffs (18) in the outside of metal sleeve (17); metal sleeve (17) is placed in the axis hole of plastics double-screw bolt (16) jointly together with the elastic cuffs (18) that is enclosed within on its external diameter; metal sleeve (17), elastic cuffs (18) and plastics double-screw bolt (16) three have constituted stud component (5) jointly, are installed in the square hole at the bottom of fixed bin (2) box.

4, a kind of totally-enclosed protection pressing plate according to claim 1 is characterized in that: the outside is provided with dovetail groove (V) around fixed bin (2), on the box wall of fixed bin (2) inboard, is provided with attaching nut (24).

5, a kind of totally-enclosed protection pressing plate according to claim 1; it is characterized in that: in the square hole that stud component is not installed at the bottom of fixed bin (2) box, be provided with sprue (6); the shape of square hole matches at the bottom of sprue (6) profile and the fixed bin box, and sprue (6) is provided with the hole.

6, according to claim 1 or 4 described a kind of totally-enclosed protection pressing plates, it is characterized in that: the periphery of fixed bin (2) is a ledge structure, is provided with the countersunk head part, is the little exponent part of countersunk head near the position at the bottom of the box.

7, a kind of totally-enclosed protection pressing plate according to claim 1; it is characterized in that: the square hole that is provided with at the bottom of fixed bin (2) box is cubic hole or hexagonal hole or arbitrary polygon square hole; in this square hole, insert plastics double-screw bolts (16); the shape of square hole matches at the bottom of the shape of plastics double-screw bolt (16) head and fixed bin (2) box, and its shape also is square or hexagon or polygon square arbitrarily.

8, a kind of totally-enclosed protection pressing plate according to claim 1; it is characterized in that: in fixed bin (2), be provided with inner cover plate (3); inner cover plate (3) is installed in the fixed bin (2) by the back taper pin that is provided with on it; inner cover plate (3) is provided with the via hole that passes through for metal ferrule (10); square hole position at the bottom of the position that via hole is provided with and fixed bin (2) box is corresponding, also is provided with arc-shaped concave in the central authorities of inner cover plate (3).

9; a kind of totally-enclosed protection pressing plate according to claim 1; it is characterized in that: offer an observation window (E) in lid (4) one sides; go up the position of corresponding this observation window (E) in inner cover plate (3); be provided with a boss (21); boss (21) is provided with the sign of outage; go up the position of corresponding this observation window (E) at grafting piece (1); be provided with the sign of energising; when grafting piece (1) is inserted in the position of stud component (5); cover lid (4); what see from observation window (E) is exactly the sign on the piece (1) of pegging graft; when grafting piece (1) is inserted in the position of sprue; cover lid (4), what see from observation window (E) is exactly sign on the boss (21).

10, a kind of totally-enclosed protection pressing plate according to claim 1 is characterized in that: be provided with fixation clip (22) between locking nut (7) and fixed bin (2), four limits or two spring foldings of fixation clip (22) are hood-shaped.