CN205992011U - A kind of electric power metering device - Google Patents

Abstract

The utility model discloses an electric power metering device, which comprises a box body and an end cover arranged above the box body. Regularly arranged through holes are arranged on the top of the box body. Filled with bamboo charcoal, a bracket is provided on the upper edge of the box body, and the end of the bracket away from the box body is bent outward at 90° to form a pressure plate, and a mounting plate is provided on the lower end surface of the end cover , the lower end of the mounting plate is bent inwardly to form a baffle, a cylinder is provided in the middle of the lower end surface of the end cover, a threaded hole is provided in the middle of the cylinder, and a screw hole is provided in the top of the box. There is a threaded hole, and a pressure rod is arranged in the threaded hole, and a gland is arranged in the middle of the pressure rod. The utility model realizes the mutual connection between the end cover on the upper part of the box body and the box body by using the gland , will not damage the side wall of the box body, can play a good waterproof effect, and is easy to install.

Description

A power meter

technical field

The utility model relates to an electric power metering device.

Background technique

Electric meters used for power metering are usually installed inside a fixed meter box. Heat is generated during the operation of the meter. Therefore, a ventilation structure is required. However, moisture entering the inside of the meter box may easily cause a short circuit of the meter and pose a safety hazard. Existing meter boxes are usually equipped with waterproof end covers, but during the installation process, the end cover is installed on the box body using a bolt structure, and it is necessary to set mounting holes on the upper end or side wall of the box body, and drill holes on the surface of the box body, etc. , it is easy to cause defects on the surface of the box, which will affect its waterproof effect.

Contents of the invention

The purpose of this utility model is to provide a kind of power metering device, which can improve the problems existing in the prior art, and realize the mutual connection between the end cover on the upper part of the box body and the box body by using the gland, and will not damage the side wall of the box body. Damage, can play a good waterproof effect at the same time, easy to install.

The utility model is realized through the following technical solutions:

A power metering device, comprising a box body and an end cover arranged above the box body, regularly arranged through holes are arranged on the top of the box body, and bamboo charcoal is filled in the through holes. The upper edge of the box body is provided with a bracket, and one end of the bracket away from the box body is bent outward at 90° to form a pressure plate, and a mounting plate is arranged on the lower end surface of the end cover, and the installation The lower end of the plate is bent inward to form a baffle, a cylinder is arranged in the middle of the lower end surface of the end cover, a threaded hole is arranged in the middle of the cylinder, and a threaded hole is arranged on the top of the box. A pressure rod is arranged in the threaded hole, and a gland is arranged in the middle of the pressure rod. The outer edge of the gland is a bevel, and the upper end of the pressure rod is threadedly connected to the screw thread on the cylinder. In the hole, when the pressure rod rotates downward, the inclined surface of the gland can be pressed on the inner end surface of the pressure plate so that the pressure plate can be attached to the upper end surface of the baffle plate. Two T-shaped slide grooves are arranged on the upper end surface of the bottom of the box body, and a terminal row is arranged inside the box body, and the two ends of the terminal row are bent downward, and the terminal row Sliders capable of sliding along the chute are arranged at the lower parts of the two ends, a partition is arranged inside the box, and an electric meter is arranged on the partition.

Further, in order to better realize the utility model, a T-shaped slot is provided on the lower surface of the top of the box body, and the upper end of the partition plate is snapped into the inside of the slot.

Further, in order to better realize the utility model, a box door is provided on the box body, and one end of the box door is hinged on the box body through a hinge, so that the hinges face each other A stepped groove is provided on one end surface of the stepped groove, and a rubber strip is arranged in the stepped groove, and a cavity for clamping the box door is formed between the rubber strip and the bottom of the stepped groove. A door lock for locking the box door is arranged on the box body inside the step groove.

Further, in order to better realize the utility model, the described box door is an inner and outer double-layer structure, and an observation hole is arranged on the described box door, and an observation hole similar to the described observation hole is arranged on the inner side of the described box door. The corresponding observation window is provided with a transparent glass cover outside the observation hole.

Further, in order to better realize the utility model, a hollow rectangular installation groove is provided on the inner side of the box door, the observation window can slide horizontally relative to the installation groove, and a There is a return spring, one end of the return spring is fixedly connected to the inner wall on one side of the installation groove, and the other end of the return spring is fixedly connected to the side wall of the observation window. An operating rod is arranged on the outside, and a strip-shaped through-slot is arranged on the glass cover plate. The operating rod runs through the through-slot, and one end of the operating rod is fixedly connected to the observation window away from the On the end surface of one end of the return spring, the other end of the operating rod is provided with a nut.

Compared with the prior art, the utility model has the following beneficial effects:

The utility model realizes ventilation through the through hole arranged on the top of the box body, and uses bamboo charcoal to absorb moisture in the air to prevent moisture from entering the inside of the box body. When the pressure plate is attached to the baffle, the mutual connection between the end cover and the box body can be realized, and there is no need for drilling and other processing on the side wall of the box body, and the use is safer and more reliable.

Description of drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following drawings will be briefly introduced in the embodiments. It should be understood that the following drawings only show some embodiments of the present invention. Therefore, it should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can also be obtained according to these drawings without creative work.

Fig. 1 is a schematic diagram of the overall structure of the utility model;

Fig. 2 is a structural schematic diagram of the utility model box door;

Fig. 3 is a structural schematic diagram of the utility model observation window;

Fig. 4 is a structural schematic diagram of a double-layer box door of the present invention.

Among them: 101. Box body, 102. End cover, 103. Bamboo charcoal, 104. Bracket, 105. Pressure plate, 106. Mounting plate, 107. Baffle plate, 108. Column, 109. Pressure rod, 110. Gland, 111 .chute, 112. terminal block, 113. slider, 114. clapboard, 115. electric meter, 116. box door, 117. rubber strip, 118. observation hole, 119. observation window, 120. installation groove, 121. Back-moving spring, 122. operating rod, 123. through groove, 124. nut.

detailed description

The utility model will be further described in detail below in conjunction with specific examples, but the implementation of the utility model is not limited thereto.

Example 1:

As shown in Figure 1, a power metering device includes a box body 101 and an end cover 102 arranged above the box body 101. In the present utility model, the middle part of the end cover is arched upwards to form an arch, which can It is beneficial for water to flow along the upper end of the end cover to the outside of the box body. Regularly arranged through holes are arranged on the top of the box body 101 for ventilation, and the through holes are filled with bamboo charcoal 103 for adsorption Moisture in the air, to prevent moisture from entering the inside of the box body, a bracket 104 is arranged on the upper edge of the box body 101, the outer end surface of the bracket is on the same plane as the side wall outer side end surface of the box body, and the described bracket 104 is far away from One end of the box body 101 is bent outward at 90° to form a pressure plate 105, so that the pressure plate and the upper end surface of the box body are parallel to each other. A mounting plate 106 is arranged on the lower end surface of the cover 102, and the mounting plate corresponds to the position of the bracket. The lower end of the mounting plate 106 is bent inwardly to form a baffle 107, so that the baffle and the pressing plate are parallel to each other, and the outer edge of the pressing plate can be attached Closed on the inner edge of the baffle, when the pressing plate is pressed outward, the pressing plate can fit on the upper end surface of the baffle, and a cylinder 108 is arranged in the middle of the lower end surface of the end cover 102, and the cylinder can be connected with the end cover. It is integrally formed and processed, and a threaded hole is provided in the middle of the cylinder 108, so that the axis direction of the threaded hole is perpendicular to the upper end surface of the box body, and a threaded hole is provided on the top of the box body 101, so that the threaded hole and The positions of the threaded holes on the cylinder correspond to each other. A pressure rod 109 is provided in the threaded hole, and the pressure rod is threadedly connected to the box body. A gland 110 is arranged in the middle of the pressure rod 109. In this embodiment, The gland is set on the pressure rod, and nuts are respectively arranged on the pressure rods on the upper and lower sides of the gland, and the gland is fixed between the two nuts so that the pressure rod can rotate relative to the pressure rod. The outside of the gland 110 The edge is a bevel, and when the gland moves downward with the pressure rod, the slope on the gland can fit on the inner corner of the pressure plate, and the upper end of the pressure rod 109 is threadedly connected to the screw thread on the cylinder 108 In the hole, the upper end of the pressure rod is limited by the cylinder. When the gland is pressed on the pressure plate, the upper end of the pressure rod is located inside the threaded hole on the cylinder. When the pressure rod 109 rotates downward, the gland The inclined surface of 110 can be pressed on the inner end surface of the pressure plate 105 so that the pressure plate 105 is attached to the upper end surface of the baffle plate 107, and the pressure rod is used to drive the pressure cover synchronously by rotating the pressure rod downward. Move down, the inclined surface on the gland is pressed against the pressure plate, so that the pressure plate is pressed outwards, at this time, the pressure plate moves to the side of the baffle until the pressure plate is attached to the end surface of the baffle. Two T-shaped slide grooves 111 are arranged on the upper end surface of the bottom of the box body 101, and a terminal block 112 is arranged on the inside of the box body 101. The terminal block is used to facilitate wiring inside the box body. Both ends of the terminal row 112 are bent downward, and a slider 113 that can slide along the chute 111 is provided at the lower part of the two ends of the terminal row 112, so that the terminal row can The terminal block is conveniently fixed by the slider clamped on the inner side of the chute. A partition 114 is arranged inside the box body 101 , and an electric meter 115 is arranged on the partition 114 .

The utility model adopts the mutual cooperation of the gland and the pressure rod. When the pressure rod is turned downward, the gland can squeeze the pressure plate, so that the pressure plate can be pressed on the baffle, and then the mutual connection between the end cover and the box body is realized. Connection, during the installation process, there is no need to damage the side wall of the box, which can improve the sealing performance of the side wall of the box. The through hole for ventilation is set on the top of the box, and the end cover is used to cover it, which can improve the sealing performance. Moreover, moisture can be adsorbed on the bamboo charcoal through the bamboo charcoal, so that the moisture cannot enter the interior of the cabinet. Since the adjustment of the gland can be realized by rotating the pressure rod during disassembly, the disassembly of the end cover can be facilitated, making its disassembly and assembly more convenient. The use of the terminal block can facilitate the centralized connection of the lines and improve the efficiency of line connection. In addition, the utility model adopts the sliding groove structure to realize the installation of the terminal block, which can improve its stability and is convenient for installation.

Example 2:

In this embodiment, in order to facilitate the installation of the partition, preferably, a T-shaped slot is provided on the lower surface of the top of the box body 101, and the upper end of the partition 114 is snapped into the slot. inside. In the utility model, the upper end of the dividing plate is T-shaped, so that the dividing plate can be directly inserted into the inside of the draw-in slot when the dividing plate is installed. At this time, the electric meter for metering can be installed on the dividing plate.

The utility model adopts a vertically arranged partition, which can realize the installation of the electric meter, and at the same time, when moisture enters the interior of the box through the upper end surface of the box, it can flow downward along the partition, and then can reduce the loss of moisture at the position of the electric meter. Accumulate to reduce the impact of accumulated water on the meter.

Example 3:

As shown in Figure 2, in order to facilitate the closure of the box body, in this embodiment, a box door 116 is provided on the box body 101, and one end of the box door 116 is hinged to the box body 101 through a hinge. On the opposite side of the hinge, a stepped groove is provided, and a rubber strip 117 is arranged in the stepped groove, and the gap between the rubber strip 117 and the bottom of the stepped groove is formed. In order to snap into the cavity of the box door 116 , a door lock for locking the box door 116 is provided on the box body 101 inside the stepped groove. By adopting the box door, the box body can be closed when necessary. When the box door is closed, the box door is turned through the hinge, so that the other end of the box door overcomes the elastic force of the rubber strip and is inserted into the rubber strip and the stepped groove. The inner side of the cavity between them, at this time, use the door lock to lock the box door.

Example 4:

As shown in Figures 3 and 4, on the basis of Embodiment 3, in order to facilitate the operation of the staff in this embodiment, preferably, the box door 116 is a double-layer structure inside and outside, and a double-layer structure is adopted to make the door structure more convenient. Firm and not easy to be damaged. An observation hole 118 is provided on the box door 116 so that the position of the observation hole corresponds to the position of the electric meter. The corresponding observation window 119 is provided with a transparent glass cover outside the observation hole 118 .

Further preferably, in this embodiment, a hollow rectangular installation groove 120 is provided inside the box door 116, so that the installation groove is located inside the observation hole, and the observation window 119 can slide horizontally relative to the installation groove 120 A return spring 121 is arranged inside the installation groove 120, one end of the return spring 121 is fixedly connected to the inner wall on one side of the installation groove 120, and the other end of the return spring 121 is fixedly connected to the On the side wall of the observation window 119, an operating rod 122 is provided on the outside of the box door 116, and a strip-shaped through groove 123 is provided on the glass cover plate, and the operating rod 122 runs through the Through slot 123 , one end of the operation rod 122 is fixedly connected to the end surface of the observation window 119 away from the return spring 121 , and the other end of the operation rod 122 is provided with a nut 124 . When observing the electric meter, you can slide the operating rod along the through groove. Under the action of the nut, the operating rod is not easy to tilt. Driven by the operating rod, the observation window slides along the length of the installation groove. At this time, the return spring Under the action of the elastic force, the observation window is affected by the elastic force. When the operating rod is not subjected to external force, the observation window slides away from the direction of the return spring under the action of the return spring, and the observation window is closed at this time.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. For those skilled in the art, the present utility model can have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims (5)

1. a kind of electric power metering device it is characterised in that：Including casing（101）And it is arranged on described casing（101）Top End cap（102）, in described casing（101）Top is provided with the through hole of regular array, is filled with bamboo charcoal in described through hole （103）, in described casing（101）Support is provided with upper end-face edge（104）, described support（104）Away from described case Body（101）One end is bent to form pressing plate for 90 ° laterally（105）, in described end cap（102）Installing plate is provided with lower surface （106）, described installing plate（106）The inside side in lower end is bent to form baffle plate（107）, in described end cap（102）In lower surface Portion is provided with cylinder（108）, in described cylinder（108）Middle part is provided with screwed hole, in described casing（101）Top is arranged There is screwed hole, described screw thread in the hole is provided with depression bar（109）, in described depression bar（109）Middle part is provided with gland （110）, described gland（110）Outer ledge is inclined-plane, described depression bar（109）Threaded upper ends are connected to described cylinder （108）On screw thread in the hole, described depression bar（109）Gland described in when rotating down（110）Inclined-plane can be pressed together on institute The pressing plate stated（105）Inner side end on make described pressing plate（105）It is fitted in described baffle plate（107）Upper surface on, Described casing（101）2 T-shaped chutes are provided with the upper surface of bottom（111）, in described casing（101）Inner side sets It is equipped with terminal block（112）, described terminal block（112）Two ends bend downwards, in described terminal block（112）Two ends bottom sets Being equipped with can be along described chute（111）The slide block sliding（113）, in described casing（101）Inner side is provided with dividing plate （114）, in described dividing plate（114）On be provided with ammeter（115）.

2. a kind of electric power metering device according to claim 1 it is characterised in that：In described casing（101）Under top T-shaped draw-in groove is provided with end face, described dividing plate（114）Upper end is connected to inside described draw-in groove.

3. a kind of electric power metering device according to claim 1 and 2 it is characterised in that：In described casing（101）On set It is equipped with chamber door（116）, described chamber door（116）One end is hinged on described casing by hinge（101）On, it is that this is described Hinge is provided with step trough on an opposite side end face, is provided with rubber strip in described step trough（117）, described rubber Bar（117）Formed for the chamber door described in clamping and described ladder trench bottom between（116）Cavity, in described step trough The described casing of inner side（101）On be provided with for the chamber door described in locking（116）Door lock.

4. a kind of electric power metering device according to claim 3 it is characterised in that：Described chamber door（116）For inside and outside pair Rotating fields, in described chamber door（116）On be provided with observation port（118）, in described chamber door（116）Inner side be provided with described Observation port（118）The corresponding observation window in position（119）, in described observation port（118）Outside is provided with transparent glass Cover plate.

5. a kind of electric power metering device according to claim 4 it is characterised in that：In described chamber door（116）Inner side sets It is equipped with the mounting groove of hollow, rectangular（120）, described observation window（119）Mounting groove that can be relatively described（120）Level is slided, In described mounting groove（120）Inner side is provided with back-moving spring（121）, described back-moving spring（121）One end is fixedly connected on Described mounting groove（120）On the inwall of side, described back-moving spring（121）The other end is fixedly connected on described observation window （119）Side wall on, in described chamber door（116）Outside is provided with action bars（122）, described glass cover-plate is provided with The groove of bar shaped（123）, described action bars（122）Run through described groove（123）, described action bars（122）One end is solid Surely it is connected to described observation window（119）Away from described back-moving spring（121）On the end face of one end, described action bars（122） The other end is provided with nut（124）.