CN213750044U

CN213750044U - A observation window for plug-in card ammeter

Info

Publication number: CN213750044U
Application number: CN202023062086.0U
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: 2021-07-20
Anticipated expiration: 2030-12-17

Abstract

The utility model provides an observation window for plug-in card ammeter, includes sealing connection in the transparent window form of table case viewing aperture, transparent window form's surperficial upper portion is equipped with the depressed part, is equipped with the card insertion hole in the depressed part, but rotate on the transparent window form and install the buckle closure the side-turning protective cover of depressed part, transparent window form lower part is equipped with the light screen that can open and close towards one side outside the window, be equipped with drive mechanism between protective cover and the light screen, drive mechanism is including fixing cylindrical cam on the cross axle, setting up the slider on the transverse guide and the transverse guide on the surface of transparent window body, it has the connecting rod to articulate between protective cover and the slider, be equipped with the profile groove of opening and close that can drive the cross axle just reverse rotation on cylindrical cam's the side. The utility model discloses a light screen that can open and close covers the observation window for the observation window can not receive sunshine at ordinary times and penetrates directly, avoids the observation window yellow, can drive the light screen when opening the protective cover and open, conveniently observes the ammeter reading.

Description

A observation window for plug-in card ammeter

Technical Field

The utility model relates to an observation window especially relates to an observation window for plug-in card ammeter.

Background

The prepayment electric energy meter box is used in many areas as a new electric energy meter box, and the difference between the prepayment electric energy meter box and a common electric energy meter box is as follows: 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, the efficiency of collecting fee is improved, 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 on the transparent window form. The transparent window body of the existing electric meter box observation window is usually made of transparent plastics, so that people can conveniently observe the electric meter reading in the electric meter box through the observation window. However, the existing electric meter box observation window has the following problems: the ammeter case is used in the open air more, is penetrated directly by sunshine for a long time, and transparent plastic shines yellow when receiving sunshine for a long time, leads to the transparency to descend, leads to the unable reading of seeing the ammeter of seeing through the observation window of observer.

SUMMERY OF THE UTILITY MODEL

The utility model discloses solve the problem that above-mentioned prior art exists, provide an observation window for plug-in card ammeter, the observation window has the light screen, and the surface position of observing the ammeter reading is difficult to yellow because long-time sunshine shines.

The utility model provides a technical scheme that its technical problem adopted: the utility model provides an observation window for plug-in card ammeter, 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 card inserting hole in the depressed part, it installs but the buckle closure to rotate on the transparent window form the side-turning protective cover of depressed part, transparent window form lower part is equipped with the light screen that can open and close towards one side outside the window, the middle part of transparent window form is equipped with two rotation support pieces that are located both sides respectively, two rotate on the support piece and install the cross axle, the upper end fixed connection of cross axle and light screen, be equipped with drive mechanism between protective cover and the light screen, drive mechanism is including fixing cylindrical cam on the cross axle, setting up the slider on the transverse guide and the transverse guide on the transparent window surface, it has the connecting rod to articulate between protective cover and the slider, be equipped with the profile recess of opening and close that can drive the positive reverse rotation of cross axle on cylindrical cam's side, the sliding block is provided with a convex column which is matched and slidably connected with the opening and closing profile groove; the cylindrical cam is provided with an annular groove for preventing the light screen from turning up to drive the protective cover, and the annular groove is communicated with the starting end of the opening and closing profile groove.

For further improvement, the cylindrical cam and the transverse shaft are coaxial, the cylindrical cam is located in the middle of the transverse shaft, and the upper end of the light screen is provided with an accommodating groove in clearance fit with the cylindrical cam.

Further perfect, protective cover surface middle part downside is provided with first connecting block, the slider upside is equipped with the second connecting block, the both ends of connecting rod respectively with first connecting block and second connecting block level hinge.

Further perfection, the annular groove is located right below the initial position of the convex column, and the annular groove is in clearance fit with the convex column.

Further perfection, the convex column is located the downside of slider, and the convex column is equipped with one deck wear-resisting roller.

Further perfection, the surface of the sliding block is provided with a concave hole for pushing and pulling.

Further perfection, the slider right-hand member is equipped with first padlock and detains, the right-hand member of transverse guide corresponds and is equipped with the second padlock that staggers from top to bottom with first padlock and detains.

Further perfection, the slider left end is equipped with the elasticity trip, the left end of transverse guide is equipped with the stopper of being connected with elasticity trip cooperation buckle.

The utility model discloses profitable effect is: 1. the utility model discloses a light screen that can open and close covers the observation window for the observation window can not receive the sunshine at ordinary times and penetrate directly, avoids the observation window to turn yellow, when needing to observe the ammeter reading, opens the light screen and can see through the observation window and observe the ammeter reading, and because the annular groove is provided with on the cylindrical cam, can not drive the protective cover to open when the light screen is opened; 2. when the protective cover is opened for inserting the card, the protective cover can simultaneously drive the light screen to turn up through the transmission mechanism, so that a user can conveniently insert the card and observe the reading of the ammeter; 3. after the user pulls out the card, the light screen can promote the automatic closing of the protective cover under the action of gravity; 4. when the protective cover was opened, protective cover, connecting rod and transverse guide formed the triangle-shaped structure, and structural strength is high, is difficult to damage, and the protective cover hinge is opened more stably.

Drawings

FIG. 1 is a schematic structural diagram of the present embodiment;

description of reference numerals: 1. transparent window body, 11, depressed part, 12, plug-in card hole, 13, rotation support piece, 14, cross axle, 15, cam, 151, open and close profile groove, 152, annular groove, 16, transverse guide, 161, second padlock, 162, stopper, 17, slider, 171, projection, 172, second connecting block, 173, wear-resisting roller, 174, shrinkage pool, 175, first padlock, 176, elasticity trip, 18, connecting rod, 2, protective cover, 21, first connecting block, 3, light screen, 31, holding tank.

Detailed Description

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

with reference to the accompanying drawings: the embodiment of the invention relates to an observation window for a card-inserted electric meter, which comprises a transparent window body 1 hermetically connected with an observation opening of a meter box, wherein a concave part 11 is arranged on the upper surface of the transparent window body 1, a card inserting hole 12 is arranged in the concave part 11, a prepayment rechargeable card of the electric meter can be inserted, a side-turning type protective cover 2 capable of covering the concave part 11 is rotatably arranged on the transparent window body 1, a light screen 3 capable of being opened and closed is arranged on one side of the lower part of the transparent window body 1 facing the outside of the window, two rotating support blocks 13 respectively positioned on two sides are arranged in the middle of the transparent window body 1, a transverse shaft 14 is rotatably arranged on the two rotating support blocks 13, the transverse shaft 14 is fixedly connected with the upper end of the light screen 3, a transmission mechanism is arranged between the protective cover 2 and the light screen 3, the transmission mechanism comprises a cylindrical cam 15 fixed on the transverse shaft 14, a transverse guide rail 16 arranged on the surface of the transparent window body 1 and a sliding block 17 arranged on the transverse guide rail 16, a connecting rod 18 is hinged between the protective cover 2 and the sliding block 17, an opening and closing profile groove 151 capable of driving the transverse shaft 14 to rotate forwards and backwards is arranged on the side surface of the cylindrical cam 15, a convex column 171 is arranged on the sliding block 17, and the convex column 171 is matched and slidably connected with the opening and closing profile groove 151; when the user is opening protective cover 2 and is carrying out the plug-in card, protective cover 2 passes through connecting rod 18 drive slider 17 and moves left, slider 17 drives cross axle 14 forward rotation through the cooperation of the profile groove 151 of opening and close of projection 171 and cylindrical cam 15, makes light screen 3 upwards open, exposes ammeter reading convenience of customers and observes, extracts the back when the user with the card, and light screen 3 closes under the action of gravity, and cross axle 14 antiport to drive protective cover 2 self-closing. Be equipped with on the cylindrical cam 15 and avoid light screen 3 to turn up the annular groove 152 that drives protective cover 2, annular groove 152 and the initiating terminal intercommunication of opening and close profile groove 151, the user opens when independent to light screen 3 can not open protective cover 2 simultaneously. The cylindrical cam 15 and the transverse shaft 14 are coaxial, the cylindrical cam 15 is located in the middle of the transverse shaft 14, and the upper end of the light shielding plate 3 is provided with an accommodating groove 31 in clearance fit with the cylindrical cam 15. Protective cover 2 surface middle part downside is provided with first connecting block 21, slider 17 upside is equipped with second connecting block 172, the both ends of connecting rod 18 respectively with first connecting block 21 with second connecting block 172 horizontal hinge, make protective cover 2 open more stably. The annular groove 152 is located right below the starting position of the convex column 171, and the annular groove 152 is in clearance fit with the convex column 171. The convex column 171 is located at the lower side of the sliding block 17, and the convex column 171 is provided with a layer of wear-resistant rollers 173, so that friction force can be reduced.

In addition, the surface of the sliding block 17 is provided with a concave hole 174 for pushing and pulling, so that a user can conveniently slide the sliding block 17 by using a finger, and the sliding block 17 is used as a driving part. The right end of the sliding block 17 is provided with a first padlock 175, and the right end of the transverse guide rail 16 is correspondingly provided with a second padlock 161 vertically staggered with the first padlock 175, so that a user can use the padlock for locking. Slider 17 left end is equipped with elasticity trip 176, the left end of cross rail 16 is equipped with the stopper 162 of being connected with elasticity trip 176 cooperation buckle, and slider 17 slides the left end of cross rail 16 and can carries out the locking, maintains the state that protective cover 2 opened.

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 an observation window for plug-in card ammeter, 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 the formula of turning on one's side of depressed part (11): the window is characterized in that a light screen (3) capable of being opened and closed is arranged on one side of the lower portion of the transparent window body (1) facing the outside of the window, two rotating support blocks (13) respectively located on two sides are arranged in the middle of the transparent window body (1), a transverse shaft (14) is rotatably arranged on each rotating support block (13), the transverse shaft (14) is fixedly connected with the upper end of the light screen (3), a transmission mechanism is arranged between the protective cover (2) and the light screen (3), the transmission mechanism comprises a cylindrical cam (15) fixed on the transverse shaft (14), a transverse guide rail (16) arranged on the surface of the transparent window body (1) and a sliding block (17) arranged on the transverse guide rail (16), a connecting rod (18) is hinged between the protective cover (2) and the sliding block (17), and a profile opening and closing groove (151) capable of driving the transverse shaft (14) to rotate in the positive and reverse directions is arranged on the side face of the cylindrical cam (15), the sliding block (17) is provided with a convex column (171), and the convex column (171) is matched and slidably connected with the opening and closing contour groove (151); be equipped with on cylindrical cam (15) and avoid light screen (3) to turn up annular groove (152) that drives protective cover (2), annular groove (152) and the initiating terminal intercommunication of opening and close profile groove (151).

2. The viewing window of claim 1, wherein said viewing window comprises: the cylindrical cam (15) and the transverse shaft (14) are coaxial, the cylindrical cam (15) is located in the middle of the transverse shaft (14), and the upper end of the light shielding plate (3) is provided with an accommodating groove (31) in clearance fit with the cylindrical cam (15).

3. The viewing window of claim 2, wherein said viewing window comprises: protective cover (2) surface middle part downside is provided with first connecting block (21), slider (17) upside is equipped with second connecting block (172), the both ends of connecting rod (18) respectively with first connecting block (21) with second connecting block (172) level hinge.

4. The viewing window of claim 3, wherein said viewing window comprises: the annular groove (152) is located right below the initial position of the convex column (171), and the annular groove (152) is in clearance fit with the convex column (171).

5. The viewing window of claim 4, wherein said viewing window comprises: the convex column (171) is positioned at the lower side of the sliding block (17), and the convex column (171) is provided with a layer of wear-resistant rollers (173).

6. The viewing window of claim 1, wherein said viewing window comprises: concave holes (174) used for pushing and pulling are formed in the surface of the sliding block (17).

7. The viewing window of claim 6, wherein said viewing window comprises: the right end of the sliding block (17) is provided with a first hanging lock catch (175), and the right end of the transverse guide rail (16) is correspondingly provided with a second hanging lock catch (161) vertically staggered with the first hanging lock catch (175).

8. The viewing window of claim 7, wherein said viewing window comprises: the left end of the sliding block (17) is provided with an elastic clamping hook (176), and the left end of the transverse guide rail (16) is provided with a limiting block (162) which is matched with the elastic clamping hook (176) in a buckling mode.