阅读说明：本技术 一种可升降的弱电箱及弱电井 (Liftable weak current case and weak current well ) 是由 周昱希 于 2019-09-06 设计创作，主要内容包括：本发明公开了一种可升降的弱电箱及弱电井,包括弱电井和位于弱电井内的弱电箱体,弱电箱体与弱电井内壁接触的侧面均设有凸出弱电箱体表面的滑块,弱电井内壁设有与滑块位置对应的滑道,所述弱电井的顶壁的上方设有转动轴,转动轴上设有承压索,承压索的一端与滑块固定连接,另一端与转动轴固定连接,并盘绕于转动轴上,转动轴通过电机驱动,弱电井底部还设有能够通过弱电箱体的下降而开启的灭火装置,灭火装置的顶部与滑道的底端面接触；通过承压索的卷收与释放控制弱电箱体的升降,并利用弱电箱体开启灭火装置的出口以达到灭火的目的,有效的将弱电箱置于不同的空间内,在快速及时的处理弱电箱火情的基础上,对弱电井外的影响降到最小。(The invention discloses a liftable weak current box and a weak current well, which comprise a weak current well and a weak current box body positioned in the weak current well, wherein the side surfaces of the weak current box body, which are contacted with the inner wall of the weak current well, are respectively provided with a sliding block protruding out of the surface of the weak current box body; the lifting of the weak current box body is controlled through the winding and releasing of the pressure bearing cable, the outlet of the fire extinguishing device is opened by the weak current box body to achieve the purpose of fire extinguishing, the weak current box is effectively placed in different spaces, and on the basis of quickly and timely processing the fire condition of the weak current box, the influence outside the weak current well is reduced to the minimum.)

1. A liftable weak current box and a weak current well are characterized by comprising a rectangular weak current well with a hollow inner part and a weak current box body (1) positioned in the weak current well, wherein the weak current box body (1) is provided with two symmetrical side surfaces which are contacted with the inner wall of the weak current well, the side surfaces of the weak current box body (1) contacted with the inner wall of the weak current well are respectively provided with a sliding block (3) protruding out of the surface of the weak current box body (1), the inner wall of the weak current well is provided with a sliding way (5) corresponding to the sliding block (3), the bottom of the weak current well is also provided with a fire extinguishing device (9) with an opening structure at the top end, the top of the fire extinguishing device (9) is contacted with the bottom end surface of the sliding way (5), a rotating shaft (7) is arranged above the top wall of the weak current well, a pressure bearing cable (8) is arranged on the rotating shaft (7), one end of the pressure bearing cable (8, the middle part is coiled on the rotating shaft (7), the rotating shaft (7) is driven by the rotary power device to rotate, the rotating shaft (7) can drive the pressure bearing rope (8) to be wound and released, the weak current box body (1) is controlled to lift through the winding and the releasing of the pressure bearing rope (8), and the fire extinguishing device (9) is opened through the opening structure at the top end of the fire extinguishing device (9) pressed by the sliding block (3) on the side face of the weak current box body (1) in the descending process.

2. The liftable weak current box and weak current well as claimed in claim 1, the upper surface of light current box (1) is equipped with reducing pipe (2), it is big to go up the mouth of pipe that reducing pipe (2) are close to light current box (1) one side, the one side pass of keeping away from light current box (1) is little, it is connected and communicate with light current box (1) inside with fixed surface to go up reducing pipe (2) and light current box (1) upper surface, the lower surface of light current box (1) is equipped with reducing pipe (4) down, the mouth of pipe that reducing pipe (4) are close to light current box (1) one side is little down, the mouth of pipe of keeping away from light current box (1) one side is big, reducing pipe (4) and light current box (1) lower surface fixed connection down and with light current box (1) inside intercommunication, the upper surface of light current box (1) still is equipped with a plurality of air vents (11), reducing pipe (2) are central symmetric distribution more than air vent (11).

3. The liftable weak current box and weak current well as the liftable weak current box and the liftable weak current well are characterized in that the lower reducing pipe (4) comprises a pipe body (41), a fan (42) is arranged at a pipe opening of one side of the pipe body (41), which is far away from the weak current box body (1), the fan (42) is fixedly connected with the inner wall of the pipe body (41), a pipe opening of one side of the pipe body (41), which is close to the weak current box body (1), is fixedly connected with the lower surface of the weak current box body (1), and the interior of the pipe body (41) is communicated with the interior of the weak current box body (1).

4. The liftable weak electricity box and weak electricity well according to claim 1, wherein the fire extinguishing device (9) comprises a device shell (91), a pressing component (92) capable of pressing down along with the descending of the weak electricity box body (1) is arranged above the top wall of the device shell (91), the pressing component (92) penetrates through the top wall of the device shell (91) and extends into the device shell (91), a high-pressure tank body (96) is arranged inside the device shell (91), a head assembly (93) capable of being opened through pressing down is arranged on the top of the high-pressure tank body (96), the bottom end of the pressing component (92) is fixedly connected with the top end of the head assembly (93), a nozzle (94) penetrating through the side wall of the device shell (91) is arranged on the side surface of the device shell (91), a nozzle (95) is arranged between the nozzle (94) and the head assembly (93), and one end of the nozzle (95) is fixedly connected with the nozzle (94), the other end is fixedly connected with the side surface of the head assembly (93), and the nozzle (94), the spray pipe (95) and the head assembly (93) are communicated with each other.

5. The liftable weak electricity box and weak electricity well of claim 4, characterized in that a siphon (97) is arranged inside the high pressure tank (96), the upper end of the siphon (97) is fixedly connected with the bottom of the head assembly (93), the lower end of the siphon extends to the bottom end of the inside of the high pressure tank (96), and the head assembly (93), the siphon (97) and the inside of the high pressure tank (96) are communicated.

6. The liftable weak current box and weak current well of claim 5, wherein the head assembly (93) comprises a head casing (9311), a duckbill plate (931) is arranged above the head casing (9311), the duckbill plate (931) comprises a transverse plate and an inclined plate, a torsion spring (932) is arranged in an included angle between the transverse plate and the inclined plate, the included angle between the transverse plate and the inclined plate is fixed through the torsion spring (932), a fixing block (934) is arranged at the end part of the transverse plate, the fixing block (934) is fixedly connected with the end part of the transverse plate, a top block (933) is arranged at the end part of the inclined plate, the top block (933) is fixedly connected with the end part of the inclined plate, a lower opening communicated with a siphon (97) is arranged on the lower surface of the head casing (9311), a pressure-bearing sealing block (938) capable of completely blocking the lower opening is arranged above the lower opening, a lower support rod (939) fixedly connected with the upper surface of the pressure-bearing sealing block (938, the top of lower support pole (939) is equipped with bracing piece (9310), the one end of going up bracing piece (9310) and the last fixed surface of pressure-bearing seal block (938) are connected, and the other end runs through fixed block (934) and top block (933) lower surface articulated, the external diameter of lower support pole (939) is greater than the external diameter of last bracing piece (9310), is equipped with second pressure spring (936) between the up end of lower support pole (939) and the inner wall at the top of head shell (9311), the one end of second pressure spring (936) and the up end fixed connection of lower support pole (939), the inner wall fixed connection at the top of the other end and head shell (9311), open side opening (937) that have intercommunication spray tube (95) to the side of head shell (9311), the position of side opening (937) is higher than the upper surface of pressure-bearing seal block (938).

7. The liftable weak current box and weak current well as claimed in claim 4, lower pressure subassembly (92) include top board (921), top board (921) are located the top of device shell (91) roof, the lower surface of the roof of device shell (91) is equipped with inside holding down plate (924) of embedding roof, be equipped with connecting rod (922) between top board (921) and holding down plate (924), the one end of connecting rod (922) and the lower fixed surface of top board (921) are connected, the other end runs through the roof of device shell (91) and the last fixed surface of holding down plate (924) is connected, be equipped with first pressure spring (923) between the lower surface of top board (921) and the upper surface of the roof of device shell (91), the one end of first pressure spring (923) and the lower fixed surface of top board (921), the other end and the roof fixed connection of device shell (91).

8. The liftable weak current box and the weak current well are characterized in that the sliding blocks (3) comprise two edge sliding blocks (31), the two edge sliding blocks (31) are symmetrically distributed along the central line of the side surface of the weak current box body (1), a stop block (32) is arranged between the two edge sliding blocks (31), the stop block (32) is positioned at the top end of the edge sliding block (31) and is fixedly connected with the edge sliding block (31), the gap between the two edge sliding blocks (31) is larger than the width of the upper pressure plate (921), and the stop block (32) can push the upper pressure plate (921) to descend when the weak current box body (1) descends.

Technical Field

the invention relates to the field of weak current pipeline centralized control equipment, in particular to a liftable weak current box and a weak current well.

Background

The weak current vertical shaft is a vertical shaft which is conveniently built for laying cables for a building weak current system, and is called as the weak current shaft for short. The rapid development of building intellectualization for many years enables a large number of weak electric wells to be adopted in various buildings, and the use of the weak electric wells also enables the building intellectualization major to be more standard in planning and designing. And weak current lines in the weak current well comprise lines of a computer network, a cable television, a mobile phone signal, a monitoring system and the like, and the lines are centralized in a weak current box for control.

in a public area of a building, accidents can be timely monitored due to the existence of monitoring and sensors when the accidents generally occur, but workers cannot be densely arranged in the general building, so that a plurality of accidents can be timely found but cannot be timely handled when the accidents are not formed in scale, particularly, the existing fire accidents frequently occur, a weak well is an intelligent nerve center of the building, if the fire accidents occur, except equipment and circuits in a fire layer are burnt, computer networks, cable televisions, mobile phone signals, monitoring systems and the like are directly paralyzed, and secondary disasters such as power failure accidents, elevator faults and the like can also be caused; therefore, when a fire disaster occurs to the weak current box and the weak current well, the fire condition needs to be timely controlled, due to factors such as planning and cost, the weak current box of the residential area is generally arranged in the weak current well as in an interlayer, every two layers of weak current rooms for placing the weak current box are arranged, the control and maintenance of the weak current circuit are convenient, the probability of the fire condition occurring in the weak current rooms is increased due to the concentration of the circuits, a common elevator can be stopped during the fire condition, the time for workers and firefighters to arrive at the site and timely handle the fire condition is greatly prolonged, the fire condition cannot be killed in sprouts, the common weak current rooms are not sealed rooms, the influence on the corridor is generally large during the fire condition handling, the injury can be caused to the personnel in the corridor, and how to handle the fire condition occurring in the weak current well on the basis of causing the minimum influence outside the weak current well can be convenient for daily maintenance The field of pipeline centralized control equipment has urgent problems to be solved.

Disclosure of Invention

The invention aims to overcome the defect that the fire cannot be quickly and timely processed on the basis of small influence on the outside of a weak current well when the weak current box is placed in the weak current well in the prior art, and provides a liftable weak current box and the weak current well.

The purpose of the invention is mainly realized by the following technical scheme:

a liftable weak current case and a weak current well comprise a cuboid weak current well with a hollow interior and a weak current case body positioned in the weak current well, wherein the weak current case body is provided with two symmetrical side surfaces which are contacted with the inner wall of the weak current well, the side surfaces of the weak current case body contacted with the inner wall of the weak current well are respectively provided with a slide block protruding out of the surface of the weak current case body, the inner wall of the weak current well is provided with a slide way corresponding to the slide block in position, the bottom of the weak current well is also provided with a fire extinguishing device with an opening structure at the top end, the top of the fire extinguishing device is contacted with the bottom end surface of the slide way, a rotating shaft is arranged above the top wall of the weak current well, the rotating shaft is provided with a bearing cable, one end of the bearing cable is fixedly connected with the slide block, the other end of the bearing cable is fixedly connected with the rotating shaft, the middle part of the bearing cable is wound on the rotating shaft, the rotating shaft, the top of the fire extinguishing device is pressed through the slider on the side of the weak current box body to open the fire extinguishing device in the descending process.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:

FIG. 1 is a schematic structural diagram of a weak current box of the present invention;

FIG. 2 is a schematic view of the overall structure of the present invention;

FIG. 3 is a schematic view of the fire extinguishing apparatus of the present invention;

figure 4 is a schematic view of the head assembly of the present invention;

FIG. 5 is a bottom view of the weak current case of the present invention;

1-weak current box body, 2-upper reducing pipe, 3-slide block, 4-lower reducing pipe, 5-slide way, 6-motor, 7-rotating shaft, 8-pressure bearing rope, 9-fire extinguishing device, 11-vent hole, 31-edge slide block, 32-stop block, 41-pipe body, 42-fan, 91-device shell, 92-pressing component, 93-head assembly, 94-nozzle, 95-nozzle, 96-high pressure tank body, 97-siphon, 921-upper pressing plate, 922-connecting rod, 923-first pressure spring, 924-lower pressing plate, 931-duckbilled plate, 932-torsion spring, 933-top block, 934-fixing block, 935-bumper, 936-second pressure spring, 937-side opening, 938-pressure bearing sealing block, 939-lower support bar, 9310-upper support bar, 9311-head housing.

Detailed Description

in order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.