CN213813731U

CN213813731U - Waterproof observation window with inserting and clamping hole

Info

Publication number: CN213813731U
Application number: CN202023055663.3U
Authority: CN
Inventors: 郑仙明
Original assignee: Yueqing Plastic Plastic Co ltd
Current assignee: Yueqing Plastic Plastic Co ltd
Priority date: 2020-12-17
Filing date: 2020-12-17
Publication date: 2021-07-27
Anticipated expiration: 2030-12-17

Abstract

The utility model provides a waterproof observation window in area plug card hole, includes the transparent window form of sealing connection in table case viewing aperture, the surperficial upper portion of transparent window form is equipped with the depressed part, is equipped with the plug card hole in the depressed part, it installs the buckle closure to rotate on the transparent window form the protective cover of depressed part, the upper portion surface of transparent window form is equipped with two rotation support pieces that are located the left and right sides respectively, two rotate on the rotation support piece and install the cross axle, it has two dwangs to articulate on the cross axle, be equipped with two-way torsional spring mechanism between dwang and the cross axle, the one end and the protective cover fixed connection of dwang, be equipped with the sealing washer between the edge in plug card hole and the protective cover, the one end of cross axle is equipped with the change over switch who is used for changing torsion direction. The utility model discloses can the protective cover close the back, the torque direction changes, makes the protective cover have the trend that inwards compresses tightly and close, has strengthened the leakproofness between protective cover and the plug-in card hole, the improvement that is showing the waterproof performance of observation window.

Description

Waterproof observation window with inserting and clamping hole

Technical Field

The utility model relates to an observation window especially relates to a waterproof observation window in area plug-in card hole.

Background

At present, prepayment electric energy meter box has been used in many areas as emerging electric energy meter box, and its difference with ordinary electric energy meter box lies in: assemble the prepayment electric energy meter in the strapping table room of electric energy meter case, this prepayment electric energy meter is provided with the plug-in card position that supplies user's plug-in card, the user can insert the consumption card and carry out the power consumption, and need not to bank pay for the charges of electricity, thereby make things convenient for in user's power consumption, improve the efficiency of collecting fee, for this prepayment electric energy meter of cooperation, be provided with the viewing aperture relative with the strapping table on the strapping table room chamber door, and seal the transparent window form of locating on the viewing aperture, be formed with the plug-in card hole relative with the plug-in card position of strapping table and ammeter reset hole. Practice proves that the observation window of the structure has the problem of poor waterproof performance, and the side-turning type protective cover on the card insertion hole is opened because the cantilever is too long, the hinge is easy to damage, the user operation is inconvenient, while the cantilever of the side-turning type protective cover is short, the side-turning type protective cover is not easy to damage, and the service life is long.

SUMMERY OF THE UTILITY MODEL

The utility model discloses solve the problem that above-mentioned prior art exists, provide a waterproof observation window in area plug card hole, can change the torsion direction of torsional spring, waterproof performance when improving the protective cover and closing.

The utility model provides a technical scheme that its technical problem adopted: a waterproof observation window with a plug hole comprises a transparent window body which is hermetically connected with an observation port of a meter box, the upper part of the surface of the transparent window body is provided with a sunken part, the sunken part is internally provided with a card inserting hole, the transparent window body is rotatably provided with a protective cover which can cover the sunken part, the upper surface of the transparent window body is provided with two rotary support blocks which are respectively positioned at the left side and the right side, a transverse shaft is rotatably arranged on the two rotary support blocks, two rotating rods are hinged on the cross shaft, a bidirectional torsion spring mechanism is arranged between the rotating rods and the cross shaft, one end of the rotating rod is fixedly connected with the protective cover, a sealing ring is arranged between the edge of the inserting and clamping hole and the protective cover, one end of the cross shaft is provided with a change-over switch for changing the direction of the torsion, the change-over switch is provided with a spring positioning pin, and a first positioning pin seat and a second positioning pin seat which are matched with the spring positioning pin are arranged on the surface of the transparent window body.

In order to further perfect, two-way torsional spring mechanism is including two torsional spring subassemblies that bilateral symmetry set up respectively, the torsional spring subassembly is including cup jointing the slip packing ring on the cross axle and fixing the drive rotary table on the cross axle, the drive rotary table is located between dwang and the slip packing ring, circumference distributes on the drive rotary table has the through-hole, has worn wire rope in the through-hole, wire rope one end fixed connection dwang, wire rope other end fixed connection slip packing ring, be equipped with compression spring, two between slip packing ring and the drive rotary table be equipped with a support section of thick bamboo, two between the dwang be fixed with the extension spring between the slip packing ring.

Further perfection, the dwang lateral part is equipped with the boss with a supporting cylinder grafting cooperation.

Further perfection, the edge of boss is equipped with first ring gear, and the both ends hole of a support section of thick bamboo is equipped with the second ring gear with first ring gear complex.

Further perfection, the change-over switch is a swing rod structure perpendicular to the cross shaft, and the first positioning pin seat and the second positioning pin seat are arranged in an up-down symmetrical mode around the cross shaft.

Further perfecting, the sealing ring is fixed around the outer edge of the inserting and clamping hole.

Further perfect, the protective cover inner wall is equipped with bellied waterproof horizontal bar, and the cross section of waterproof horizontal bar is bow-shaped, waterproof horizontal bar and sealing washer cooperation sealing connection.

Further perfection, the upper and lower two parts of the inner wall of the protective cover are provided with water-blocking convex edges.

Further perfect, the upper end of dwang is equipped with spacing lug, transparent window body's surface is inlayed and is had spacing silica gel piece with spacing lug complex.

Further perfection, the below of depressed part is equipped with knob buckle switch, and knob buckle switch can rotate the hasp in the surface of protective cover.

The utility model discloses profitable effect is: the utility model discloses can realize the change of the protective cover torque direction when opening and closing through setting up change over switch and two-way torsional spring mechanism, can slowly let out the inside torque force of protective cover at the in-process of opening, then make torque force outside, realize that the protective cover is opened and maintain the open mode, the protective cover closes the back, torque direction changes, the protective cover has the trend of inwards compressing tightly closing, the leakproofness between protective cover and the plug-in card hole has been strengthened, the improvement of showing observation window's waterproof performance.

Drawings

Fig. 1 is a schematic view of the structure of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

FIG. 3 is an enlarged view of the structure at B in FIG. 2;

fig. 4 is a schematic side view of the present invention;

FIG. 5 is an enlarged view of the structure at C in FIG. 4;

description of reference numerals: 1. transparent window body, 11, depressed part, 12, card-inserting hole, 13, rotation support block, 14, cross axle, 15, dwang, 151, boss, 152, first ring gear, 153, spacing lug, 16, sealing washer, 17, change over switch, 171, spring locating pin, 172, first locating pin seat, 173, second locating pin seat, 18, knob buckle switch, 19, spacing silica gel piece, 2, protective cover, 21, waterproof horizontal bar, 22, protruding edge that blocks water, 3, two-way torsion spring mechanism, 31, sliding washer, 32, drive carousel, 321, through-hole, 33, wire rope, 34, compression spring, 35, a support section of thick bamboo, 351, second ring gear, 36, extension spring.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

referring to figures 1-5: in this embodiment 1, a waterproof observation window with plugging hole includes transparent window body 1 connected to the observation opening of the meter box in a sealing manner, surface upper portion of transparent window body 1 is provided with recessed portion 11, and inside the recessed portion 11, plugging hole 12 is provided, and electricity meter rechargeable card can be inserted, transparent window body 1 is provided with a protective cover 2 capable of covering the recessed portion 11 in a rotating manner, upper surface of transparent window body 1 is provided with two rotating support blocks 13 respectively located at the left and right sides, two rotating support blocks 13 are provided with a transverse shaft 14 in a rotating manner, the transverse shaft 14 is hinged with two rotating rods 15, a bidirectional torsion spring mechanism 3 is provided between the rotating rods 15 and the transverse shaft 14, one end of the rotating rod 15 is fixedly connected to the protective cover 2, a sealing ring 16 is provided between edge of plugging hole 12 and the protective cover 2, one end of the transverse shaft 14 is provided with a switch 17 for changing the direction of torsion force, the switch 17 is provided with a spring positioning pin 171, and the surface of the transparent window 1 is provided with a first positioning pin seat 172 and a second positioning pin seat 173 matched with the spring positioning pin 171. Bidirectional torsion spring mechanism 3 is including two torsional spring subassemblies that bilateral symmetry set up respectively, torsional spring subassembly is including cup jointing the slip packing ring 31 on cross axle 14 and fixing the drive turntable 32 on cross axle 14, drive turntable 32 is located between dwang 15 and the slip packing ring 31, circumference distributes on the drive turntable 32 has through-hole 321, has worn wire rope 33 in the through-hole 321, wire rope 33 one end fixed connection dwang 15, wire rope 33 other end fixed connection slip packing ring 31, be equipped with compression spring 34, two between slip packing ring 31 and the drive turntable 32 be equipped with a support section of thick bamboo 35, two between the dwang 15 be fixed with extension spring 36 between the slip packing ring 31. The lateral part of the rotating rod 15 is provided with a boss 151 which is matched with the supporting cylinder 35 in an inserting way. The edge of the boss 151 is provided with a first gear ring 152, and the inner holes at the two ends of the support cylinder 35 are provided with second gear rings 351 matched with the first gear ring 152.

The working principle is as follows: the transparent window body 1 is installed at the observation opening of the meter box in a line sealing way, the protective cover 2 is in a normally closed state by default, the spring positioning pin 171 is locked with the second positioning pin seat 173, a sealing ring 16 is arranged between the edge of the card inserting hole 12 and the protective cover 2, thereby realizing water prevention, when the protective cover needs to be opened, the spring positioning pin 171 is pulled out of the second positioning pin seat 173, the change-over switch 17 is pulled upwards, the change-over switch 17 swings upwards to drive the driving turntable 32 on the transverse shaft 14 to rotate anticlockwise, firstly, the inward torsion is slowly released, then the turntable 32 is driven to bend the steel wire rope 33, the compression spring 34 compresses and the pull rope of the tension spring 36, the elastic force acts on the rotating rod 15 to generate the outward torsion, the rotating rod 15 drives the protective cover 2 to be opened under the action of the elastic force, the card inserting hole is exposed, the spring positioning pin 171 is matched and positioned with the first positioning pin seat 172, the open state of the protective cover 2 is kept, and at the moment, a user can insert a rechargeable card to operate, after the operation is finished, the spring positioning pin 171 is pulled out of the first positioning pin seat 172, the change-over switch 17 is shifted downwards, the spring positioning pin 171 is matched and positioned with the second positioning pin seat 173, similarly, the change-over switch 17 changes the direction of the torsion force to drive the protective cover 2 to be closed, and the protective cover 2 is matched with the sealing ring 16 to seal and prevent water in the plugging hole.

Example 2: in addition to embodiment 1, the switch 17 has a swing lever structure perpendicular to the lateral shaft 14, and the first positioning pin base 172 and the second positioning pin base 173 are disposed vertically symmetrically with respect to the lateral shaft 14. The sealing ring 16 is fixed around the outer edge of the insertion hole 12, and can still provide a certain waterproof effect when the protecting cover 2 is opened. The inner wall of the protective cover 2 is provided with a raised waterproof cross bar 21, the cross section of the waterproof cross bar 21 is arched, the waterproof cross bar 21 is in sealing connection with the sealing ring 16 in a matched mode, and the protective cover is more accurate in position matching with the sealing ring and the card inserting hole. The upper and lower two parts of the inner wall of the protective cover 2 are provided with water-blocking convex edges 22, so that gaps can be reduced, and the waterproof performance is improved. The upper end of dwang 15 is equipped with spacing lug 153, transparent window body 1's surface is inlayed and is had spacing silica gel piece 19 with spacing lug 153 complex, and spacing silica gel piece 19 can cushion the dwang of bounceing. The below of depressed part 11 is equipped with knob buckle switch 18, and the rotatable hasp of knob buckle switch 18 is on the surface of protective cover 2, carries out the insurance, avoids the change over switch inefficacy to lead to protective cover 2 to open.

While the invention has been shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the appended claims.

Claims

1. The utility model provides a waterproof observation window in card hole is inserted in area, includes sealing connection in transparent window form (1) of table case viewing aperture, the surperficial upper portion of transparent window form (1) is equipped with depressed part (11), is equipped with in depressed part (11) and inserts card hole (12), but rotate on transparent window form (1) and install the buckle closure protective cover (2), characterized by of depressed part (11): the upper surface of the transparent window body (1) is provided with two rotary support blocks (13) which are respectively positioned at the left side and the right side, a transverse shaft (14) is rotatably arranged on the two rotary support blocks (13), two rotating rods (15) are hinged on the transverse shaft (14), a bidirectional torsion spring mechanism (3) is arranged between the rotating rods (15) and the transverse shaft (14), one end of the rotating rod (15) is fixedly connected with the protective cover (2), a sealing ring (16) is arranged between the edge of the inserting and clamping hole (12) and the protective cover (2), one end of the transverse shaft (14) is provided with a switch (17) for changing the direction of the torsion, a spring positioning pin (171) is arranged on the change-over switch (17), and a first positioning pin seat (172) and a second positioning pin seat (173) matched with the spring positioning pin (171) are arranged on the surface of the transparent window body (1).

2. The waterproof observation window with the inserting and clamping hole as claimed in claim 1, wherein: two-way torsional spring mechanism (3) are including two torsional spring subassemblies that bilateral symmetry set up respectively, the torsional spring subassembly is including cup jointing slip packing ring (31) on cross axle (14) and fixing drive turntable (32) on cross axle (14), drive turntable (32) are located between dwang (15) and slip packing ring (31), circumference distributes on drive turntable (32) has through-hole (321), has worn wire rope (33) in through-hole (321), wire rope (33) one end fixed connection dwang (15), wire rope (33) other end fixed connection slip packing ring (31), be equipped with compression spring (34), two between slip packing ring (31) and drive turntable (32) be equipped with supporting cylinder (35), two between dwang (15) be fixed with extension spring (36) between slip packing ring (31).

3. The waterproof observation window with the inserting and clamping hole as claimed in claim 2, wherein: the lateral part of the rotating rod (15) is provided with a boss (151) which is in plug-in fit with the supporting cylinder (35).

4. The waterproof observation window with the inserting and clamping hole as claimed in claim 3, wherein: the edge of boss (151) is equipped with first ring gear (152), and the both ends hole of support cylinder (35) is equipped with second ring gear (351) with first ring gear (152) complex.

5. The waterproof observation window with the inserting and clamping hole as claimed in claim 1 or 4, wherein: the switch (17) is of a swing rod structure perpendicular to a transverse shaft (14), and the first positioning pin seat (172) and the second positioning pin seat (173) are arranged in an up-and-down symmetrical mode around the transverse shaft (14).

6. The waterproof observation window with the inserting and clamping hole as claimed in claim 5, wherein: the sealing ring (16) is fixed around the outer edge of the inserting and clamping hole (12).

7. The waterproof observation window with the inserting and clamping hole as claimed in claim 6, wherein: protective cover (2) inner wall is equipped with bellied waterproof horizontal bar (21), and the cross section of waterproof horizontal bar (21) is bow-shaped, waterproof horizontal bar (21) and sealing washer (16) cooperation sealing connection.

8. The waterproof observation window with the inserting and clamping hole as claimed in claim 7, wherein: and water blocking convex edges (22) are arranged at the upper part and the lower part of the inner wall of the protective cover (2).

9. The waterproof observation window with the inserting and clamping hole as claimed in claim 8, wherein: the upper end of dwang (15) is equipped with spacing lug (153), the surface of transparent window body (1) is inlayed and is had spacing silica gel piece (19) with spacing lug (153) complex.

10. The waterproof observation window with the inserting and clamping hole as claimed in claim 1, wherein: the below of depressed part (11) is equipped with knob buckle switch (18), and knob buckle switch (18) rotatable hasp is on the surface of protective cover (2).