Self-locking ammeter box with heat radiation and dust-proof window
Affiliated technical field
The utility model relates to the ammeter box with heat radiation and dust-proof window, especially relates to the self-locking ammeter box with heat radiation and dust-proof window.The manufacturing technology field that belongs to electrical instrumentation.
Background technology
Ammeter box is a kind of electrical instrumentation of using always, is widely used in industry and family.Ammeter box generally includes the table block of table box cover and rectangular box shape.In the table block ammeter, switch, lead etc. are installed, the table box cover is by parts and the movable assembling of table block such as hinges.For the ease of reading, the whole or part of table box cover is made by transparent material.
The ammeter box internal cause is provided with devices such as ammeter, can produce heat during use, wicket need be set to guarantee the ventilation and heat in the ammeter box on ammeter box, reduces the influence of the heat his-and-hers watches case that produces because of devices such as ammeters.But because ammeter box is placed in the open air usually, perhaps be placed in the public places such as corridor outside the room, conditions such as its environmental health are relatively poor, the wicket that is provided with on the ammeter box might cause rainwater to be splashed into or the entering of insect, dust etc., because ammeter box all is provided with locking device usually, perhaps be provided with sealing device, circuit gathers so be difficult to easily the insect that enters ammeter box, dust etc. are removed in the case, brings hidden danger therefore for the safe power supply of ammeter box.
Existing ammeter box pins table box cover and table block with box fastener mostly after closing the table box cover.Such structure makes the sealing between table box cover and the table block relatively poor, brings insect, dust etc. easily into; Engage owing to the table box cover only relies on hinge and table block, make hinge be subjected to bigger gravity when unlatching or locking table box cover, hinge deforms easily; Not only open or relatively require great effort during locking table box cover, also further have influence on the sealing between table box cover and the table block; Concerning be equipped with a plurality of ammeters in, the large-scale ammeter box, this defective is more outstanding.
Summary of the invention
Easily advanced defectives such as insect, dust, rainwater in order to overcome existing ammeter box because vent window brings, and existing ammeter box is opened or during locking table box cover effort, hinge deform, show the relatively poor defective of sealing between box cover and the table block easily, the utility model provides a kind of self-locking ammeter box with heat radiation and dust-proof window, can overcome above-mentioned defective effectively.
The technical solution adopted in the utility model is:
A kind of self-locking ammeter box with heat radiation and dust-proof window comprises:
Table box cover, table block.
The table block is a rectangular box shape, is upright state when using.The bottom of table block is provided with down vent window, and the side of table block is provided with the side vent window, and the side vent window is located at the top of table block side, help air through under vent window to the convection current of side vent window.
Following vent window and side vent window have palisade or netted space, and can insert dustproof sheet.Dustproof sheet is a porosint, can be ventilated, but can barrier insect, the entering of dust.
Be upright state when the side vent window uses, in order to improve its rainproof, dirt exclusion capabilities, the space is not established in the top of side vent window.
Remove worm, dirt for convenience or be convenient for changing dustproof sheet, the dustproof sheet of following vent window and/or side vent window inserts mouth, can be arranged on the outside of table box cover, makes when ammeter box locking state, still can change dustproof sheet.
Following vent window can be decided on the size dimension of ammeter box for one to four; The side vent window can be one to four, is separately positioned on a side or two sides of table block.
The table box cover is by hinge and the movable assembling of table block.For the ease of reading, the integral body or the part of table box cover can be made by transparent material.
The hinge that ammeter box of the present utility model adopts is a detachable hinge.Every cover detachable hinge comprises two page or leaf plates, and one of them page plate is provided with bearing pin, is called tape spool page or leaf plate; Another page plate is provided with tube chamber, is called band chamber page or leaf plate.Tape spool page or leaf plate bearing pin is inserted the tube chamber of being with chamber page or leaf plate, finish the assembling of detachable hinge.
Detachable hinge can be decided on the size of ammeter box for 1-4 covers.To adopt 2 ammeter boxes that overlap detachable hinges is example, and a side of table block is provided with band chamber page or leaf plate (or tape spool page or leaf plate), and this side is called the table block and rotates side; Another offside side of table block is called the table block and opens side.
Tape spool page or leaf plate (or band chamber page or leaf plate) is set on the respective side edge of table box cover with respect to table block rotation side, and this side is called the table box cover and rotates side; Another offside side of table box cover is called the table box cover and opens side, opens side and is provided with claw.The relevant position that the table block is opened side is provided with the claw hole.
When closing the table box cover, the table box cover is rotated the bearing pin of the tape spool page or leaf plate on the side and aim at the tube chamber that the table block rotates the band chamber page or leaf plate on the side, insert; The stem box cover makes the claw hole on the claw insertion table block unlatching side on the table box cover unlatching side; The table box cover can move down and be equivalent to the long segment distance of pawl behind the claw insertion claw hole, realizes the locking of table box cover and table block.
Open when showing box cover, the table box cover is moved up is equivalent to the long segment distance of pawl, just can make claw deviate from the claw hole, and the table box cover just can rotate around table block rotation side, realizes the unlatching of table box cover.
For the disintegration that prevents unlatching table box cover to move up distance causes when excessive two pages of plates of detachable hinge to connect, rotate side at the table block and be provided with table block scotch, table block scotch is a small lugs, is arranged on from the table block and rotates the position that the side mid point omits; Simultaneously rotate side at the table box cover and be provided with table box cover scotch, table box cover scotch is a small lugs, is arranged on from the table box cover and rotates the position of side mid point under slightly.
The initial installation when showing box cover, the table box cover is rotated the bearing pin of the tape spool page or leaf plate on the side and aim at the tube chamber that the table block rotates the band chamber page or leaf plate on the side, the angle that allows table box cover and table block open is bigger, and table box cover scotch and table block scotch are not located on an axis; Insert; The stem box cover makes the claw hole on the claw insertion table block unlatching side on the table box cover unlatching side; The table box cover can move down and be equivalent to the long segment distance of pawl behind the claw insertion claw hole, realizes the locking of table box cover and table block.At this moment, table box cover scotch is in an axis with table block scotch.
When opening the table box cover again, will show box cover and move up, if displacement greater than the claw pawl when long, the restriction that table box cover scotch will be subjected to showing the block scotch can not continue to move up, and prevents the disintegration of two pages of plates connections of detachable hinge effectively.
Because the table box cover, is wanted moving up (or moving down) of the box cover of control table simultaneously from the influence of body weight and is rotated during keying table box cover, make operating difficulties; For in, big ammeter box, this defective is more outstanding.
The utility model has solved this technical matters by in two pages of plate ends of detachable hinge rail plate being set.Rail plate is for being located at the inclined-plane on table block band chamber page or leaf plate (or tape spool page or leaf plate) end face, table box cover tape spool page or leaf plate (or the band chamber page or leaf plate) end face; When closing the table box cover, elder generation's stem box cover, inclined-plane on table box cover tape spool page or leaf plate (or the band chamber page or leaf plate) end face contacts with the inclined-plane on table block band chamber page or leaf plate (or the tape spool page or leaf plate) end face, and the lead schedule box cover moves down, table box cover closure puts in place, makes the claw hole on the claw insertion table block unlatching side on the table box cover unlatching side; The table box cover can move down and be equivalent to the long segment distance of pawl behind the claw insertion claw hole, realizes the locking of table box cover and table block, reaches fastening, labour-saving purpose.
Further, the latter end of rail plate can be surface level, and behind table box cover complete opening, the weight of table box cover will be born by the rail plate latter end of level, makes the table box cover be in stable status, can not rotate voluntarily or glide.
Self-locking ammeter box with heat radiation and dust-proof window of the present utility model, can overcome existing ammeter box effectively and easily advance the defective that insect, dust, rainwater are splashed into because vent window brings, and the defective that sealing is relatively poor, hinge deforms easily between existing ammeter box table box cover and the table block, have simple in structure, reasonable in design, ventilation effect is good, remove worm, dirt or change dustproof sheet advantage easily.The utility model product table box cover is opened convenient, and the table box cover is in steady state (SS) behind the complete opening, and table box cover and table block good seal, sturdy and durable are specially adapted to medium-and-large-sized ammeter box.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, but and unrestricted usable range of the present utility model.
Fig. 1 is the A-A cut-open view with self-locking ammeter box of heat radiation and dust-proof window, and Fig. 2 is the synoptic diagram with self-locking ammeter box of heat radiation and dust-proof window.
Fig. 3 is that the claw insertion table block that the table box cover is opened on the side is opened the local enlarged diagram in the claw hole on the side.
Fig. 4 is the bottom that is provided with down the table block of vent window; Fig. 5 is the partial enlarged drawing of following vent window.
Fig. 6 is provided with the table block of side vent window and the synoptic diagram of dustproof sheet; Fig. 7 is the partial enlarged drawing that side vent window dustproof sheet inserts mouth.
Fig. 8 is the side view that is provided with the table block of side vent window; Fig. 9 is the partial enlarged drawing that side vent window dustproof sheet inserts mouth and dustproof sheet.
Figure 10 is the partial enlarged drawing with detachable hinge place of the heat radiation and the self-locking ammeter box of dust-proof window.
Figure 11 is the side view that is provided with the self-locking ammeter box with heat radiation and dust-proof window of side vent window, detachable hinge and table block scotch, table box cover scotch.
Among the figure, ammeter box (1), detachable hinge (2), table block scotch (3), table box cover scotch (4), claw (5), claw hole (6), side vent window (7), following vent window (8), dustproof sheet (9), table block (10), table box cover (11), tape spool page or leaf plate (2-1), band chamber page or leaf plate (2-2), rail plate (2-3).
Fig. 1 establishes the self-locking ammeter box with heat radiation and dust-proof window that adopts 2 cover detachable hinges, Fig. 2 is the self-locking ammeter box with heat radiation and dust-proof window of one four epi-position, the relative position synoptic diagram of the table box cover tape spool page or leaf plate (2-1) when Figure 11 is initial installation table box cover (11), table block band chamber page or leaf plate (2-2) and table block scotch (3), table box cover scotch (4), side vent window (7).
Embodiment
Embodiment 1,
Self-locking ammeter box with heat radiation and dust-proof window comprises table box cover (11), table block (10).
Table block (10) is a rectangular box shape, is upright state when using.The bottom of table block (10) is provided with down vent window (8), and the side of table block (10) is provided with side vent window (7).
Following vent window (8) and side vent window (7) have palisade or netted space, and can insert dustproof sheet (9).Dustproof sheet (9) is a porosint, can be ventilated, but can barrier insect, the entering of dust.
Table box cover (11) is by the movable assembling of detachable hinge (2) and table block (10).
Every cover detachable hinge (2) comprises two page or leaf plates, and one of them page plate is provided with bearing pin, is called tape spool page or leaf plate (2-1); Another page plate is provided with tube chamber, is called band chamber page or leaf plate (2-2).Tape spool page or leaf plate (2-1) bearing pin is inserted the tube chamber of being with chamber page or leaf plate (2-2), finish the assembling of detachable hinge (2).
The detachable hinge (2) that ammeter box (1) adopts is 1-4 covers, and a side of table block (10) is provided with band chamber page or leaf plate (or tape spool page or leaf plate), and this side is called the table block and rotates side; Another offside side of table block (10) is called the table block and opens side.
Tape spool page or leaf plate (or band chamber page or leaf plate) is set on the respective side edge of table box cover (11) with respect to table block rotation side, and this side is called the table box cover and rotates side; Another offside side of table box cover (11) is called the table box cover and opens side, opens side and is provided with claw (5).The relevant position that the table block is opened side is provided with claw hole (6).
When closing table box cover (11), the table box cover is rotated the bearing pin of the tape spool page or leaf plate (2-1) on the side and aim at the tube chamber that the table block rotates the band chamber page or leaf plate (2-2) on the side, insert; Stem box cover (11), the claw (5) that the table box cover is opened on the side inserts the claw hole of showing on the block unlatching side (6); Table box cover (11) can move down a segment distance that is equivalent to pawl length after claw (5) inserted claw hole (6), realized the locking of table box cover (11) and table block (10).
When opening table box cover (11), to show box cover (11) moves up and is equivalent to the long segment distance of pawl, just can make claw (5) deviate from claw hole (6), table box cover (11) just can rotate side around the table block and rotate, and realizes the unlatching of table box cover (11).
Embodiment 2,
As the self-locking ammeter box with heat radiation and dust-proof window of embodiment 1, but side vent window (7) is located at the top of table block (10) side, helps air through the convection current of following vent window (8) to side vent window (7).The space is not established in the top of side vent window (7).The dustproof sheet of following vent window (8) and/or side vent window (7) inserts mouth, is arranged on the outside of table box cover (11), makes when ammeter box (1) locking states, still can change dustproof sheet (9).
Embodiment 3,
As the self-locking ammeter box with heat radiation and dust-proof window of embodiment 2, but vent window (8) is two down; Side vent window (7) is two, is separately positioned on two sides of table block (10).
Embodiment 4,
Self-locking ammeter box as embodiment 1,2 or 3 with heat radiation and dust-proof window, but for the disintegration that prevents unlatching table box cover (11) to move up distance causes when excessive (2) two pages of plates of detachable hinge to connect, rotate side at the table block and be provided with table block scotch (3), table block scotch (3) is a small lugs, is arranged on from the table block and rotates the position that the side mid point omits; Simultaneously rotate side at the table box cover and be provided with table box cover scotch (4), table box cover scotch (4) is a small lugs, is arranged on from the table box cover and rotates the position of side mid point under slightly.
The initial installation when showing box cover (11), the table box cover is rotated the bearing pin of the tape spool page or leaf plate (2-1) on the side and aim at the tube chamber that the table block rotates the band chamber page or leaf plate (2-2) on the side, the angle that allows table box cover (11) and table block (10) open is bigger, and table box cover scotch (4) and table block scotch (3) are not located on an axis; Insert; Stem box cover (11), the claw (5) that the table box cover is opened on the side inserts the claw hole of showing on the block unlatching side (6); Table box cover (11) can move down a segment distance that is equivalent to pawl length after claw (5) inserted claw hole (6), realized the locking of table box cover (11) and table block (10).At this moment, table box cover scotch (4) is in an axis with table block scotch (3).
Embodiment 5,
Self-locking ammeter box as embodiment 4 with heat radiation and dust-proof window, but on the end face of table block band chamber page or leaf plate (2-2) (or tape spool page or leaf plate) end face, table box cover tape spool page or leaf plate (2-1) (or band chamber page or leaf plate), be provided with rail plate (2-3), rail plate (2-3) is an inclined-plane, when stem box cover (11), inclined-plane on table box cover tape spool page or leaf plate (2-1) (or the band chamber page or leaf plate) end face contacts with the inclined-plane on table block band chamber page or leaf plate (2-2) (or the tape spool page or leaf plate) end face, and the lead schedule box cover moves up and down.
Embodiment 6,
Self-locking ammeter box as embodiment 5 with heat radiation and dust-proof window, but the latter end of rail plate (2-3) is a surface level, behind table box cover (11) complete opening, the weight of table box cover (11) will be born by rail plate (2-3) latter end of level, make table box cover (11) be in stable status, can not rotate voluntarily or glide.
Embodiment 7,
As the self-locking ammeter box with heat radiation and dust-proof window of embodiment 1,4,5 or 6, but described detachable hinge (2) is 2 covers.
Embodiment 8,
As the self-locking ammeter box with heat radiation and dust-proof window of embodiment 1,2,3,4,5,6 or 7, but for the ease of reading, the whole or part of table box cover (11) is made by transparent material.