CN211922387U

CN211922387U - Construction signboard

Info

Publication number: CN211922387U
Application number: CN202020425621.5U
Authority: CN
Inventors: 张秀
Original assignee: Chongqing Vocational Institute of Engineering
Current assignee: Chongqing Vocational Institute of Engineering
Priority date: 2020-03-27
Filing date: 2020-03-27
Publication date: 2020-11-13
Anticipated expiration: 2030-03-27

Abstract

The utility model relates to a construction apparatus technical field specifically discloses a construction signboard, including the tablet body, stand and base, be equipped with a plurality of negative pressures on the base and consolidate the unit, every negative pressure is consolidated the unit and is included sucking disc and air extraction cylinder, vertical sliding connection has the piston in the air extraction cylinder, and the piston separates the air extraction cylinder for independent last cavity and lower cavity, and lower cavity intercommunication has the exhaust tube, the exhaust tube pass the base with the sucking disc intercommunication, piston fixedly connected with piston rod, the top of piston rod is rotated and is connected with the threaded rod, and the internal perisporium of going up the cavity is equipped with the screw thread section, the threaded rod with screw thread section threaded connection, the top fixedly connected with ring of threaded rod, the ring are located the top of cavity. The utility model discloses in, utilize a plurality of negative pressures to consolidate the unit and adsorb the tablet body subaerial to realize tablet body fixed mounting subaerial, reduced by a wide margin the probability that the tablet body is blown down by wind, improved the security.

Description

Construction signboard

Technical Field

The utility model relates to a construction tool technical field specifically discloses a construction signboard.

Background

Signboard is a common and more indispensable tool in construction sites, and is usually placed in construction sites or places with frequent accidents to warn pedestrians to pay attention to safety. At present, the signboard on the market only relies on characters to warn pedestrians, and can twinkle light of different colors to remind pedestrians to pay attention to safety, so that safety accidents of building sites are reduced to a great extent.

However, after the signboard is placed on the ground, no staff is usually responsible for taking care of the signboard, so that the signboard is easily blown down by wind when the wind force is high, particularly the signboard with a high gravity center. Once the signboard falls down, the pedestrian can notice the signboard after need walking close, and the pedestrian probably has got into the danger area this moment, and the warning effect of signboard can't exert, has great potential safety hazard.

SUMMERY OF THE UTILITY MODEL

The utility model provides a construction signboard to solve the problem that current signboard is blown down easily by wind.

In order to achieve the above purpose, the utility model discloses a scheme does: building construction signboard, including the tablet body, stand and base, be equipped with a plurality of negative pressure on the base and consolidate the unit, every negative pressure is consolidated the unit and is included sucking disc and pump bowl, vertical sliding connection has the piston in the pump bowl, and the piston separates the pump bowl for independent last cavity and lower cavity, and lower cavity intercommunication has the exhaust tube, the exhaust tube pass the base with the sucking disc intercommunication, piston fixedly connected with piston rod, the top of piston rod are rotated and are connected with the threaded rod, and the internal perisporium of going up the cavity is equipped with the screw thread section, the threaded rod with screw thread section threaded connection, the top fixedly connected with ring of threaded rod, the ring is located the top of cavity.

The working principle and the beneficial effects of the scheme are as follows: in this scheme, place the tablet body subaerial, sucking disc and ground contact in the negative pressure reinforcement unit, and formed confined space between sucking disc and the ground, because the threaded connection of threaded rod and last cavity screw thread section, therefore, the threaded rod can be realized moving in vertical side to the rotation threaded rod, thereby drive the piston in the exhaust column and move in vertical direction, make the volume of cavity down change, and then the internal pressure of the confined space between control sucking disc and the ground, realize sucking disc negative pressure absorption subaerial, thereby with tablet body fixed mounting subaerial, reduce by a wide margin the probability that the tablet body was blown down by wind, thereby improve the security.

Optionally, all be equipped with the supporting element on the both sides wall of the tablet body, the supporting element includes screw and two spinal branch vaulting poles, the bracing piece is including the pole in the support and support the outer pole, supports the outer pole and has seted up telescopic hole along the axial, support the pole in with telescopic hole threaded connection, the top of supporting the outer pole is equipped with the installation piece, sets up the through-hole that supplies the screw to pass on the installation piece, and the both sides wall on the top of the tablet body all is equipped with the mounting panel, sets up threaded hole on the mounting panel, the screw with screw hole threaded connection.

Sucking disc negative pressure in the negative pressure reinforcing unit adsorbs subaerial back, rotates two spinal branch vaulting poles of support unit for two spinal branch vaulting poles are towards the front side and the rear side of the tablet body respectively, and then rotate the screw, because screw hole threaded connection on screw and the mounting panel, consequently, can support the installation piece that supports the outer pole after the screw is screwed up, thereby fixed support pole makes there is the angle between bracing piece and the tablet body. And because the inner support rod is in threaded connection with the telescopic hole of the outer support rod, the inner support rod can be rotated to realize the axial movement of the inner support rod, so that the overall length of the support rod is changed, one end of the support rod, which is far away from the board body, is abutted against the ground, the support of the board body is realized, and the board body is further prevented from being blown down by wind.

Optionally, the bottom of the plate body is provided with an alarm unit, the alarm unit comprises a box body, an alarm, a conductive ball, a power supply and an annular baffle, the annular baffle is fixedly connected to the bottom wall of the box body, the thickness of the bottom wall of the box body is continuously reduced from edge to center, the outer side surface of the bottom wall of the box body is a plane, the conductive ball is placed at the center of the bottom wall of the box body, the top end of the annular baffle is fixedly connected with an annular cover plate, the bottom wall of the annular cover plate is fixedly connected with an upper conductive ring, the bottom wall of the box body is fixedly connected with a lower conductive ring, the lower conductive ring is embedded on the bottom wall of the box body, the upper surface of the lower conductive ring is parallel to the bottom wall of the box body, the lower conductive ring is located below the upper conductive ring, the distance between one end of, When the lower conducting ring is contacted, the alarm is communicated with the power supply to send out an alarm.

When the tablet body is blown down by strong wind or topples over the back under other exogenic actions, the electrically conductive ball on the box body diapire takes place to roll, electrically conductive ball simultaneously with last conducting ring, lower conducting ring contact for the alarm sends out the police dispatch newspaper with the switch-on, consequently, when the tablet body topples on subaerial, alarm unit can send out the police dispatch newspaper automatically and notice safety in order to warn the pedestrian, avoids the pedestrian to get into the danger area because the tablet body can not obtain the warning on falling to the ground, eliminates the potential safety hazard. Meanwhile, the alarm can prompt a worker to lift the weight of the card again, and after the card body is lifted, the conductive ball rolls back to the center of the bottom wall of the box body along the bottom wall of the box body, so that the automatic power-off of the alarm is realized.

Optionally, the alarm is a buzzer.

When the alarm is a buzzer, the alarm sent by the alarm is sound, so that the problem that the alarm is missed because a flashing light signal (or other signals needing to be seen) is not seen in the process of walking when a pedestrian lowers the head is avoided.

Optionally, an access hole is formed in the side wall of the box body, and a door body used for sealing the access hole is rotatably connected to the access hole.

The staff can overhaul the inside of box body through the access hole.

Optionally, the sucker comprises a sucker main body and a sucker edge portion, the sucker main body and the sucker edge portion are integrally formed, and the sucker edge portion is in a horizontal ring shape.

Compared with an ordinary sucker, the sucker in the scheme is provided with the sucker edge part, so that the contact area between the sucker and the ground is increased, and the sucker is easier to adsorb on the ground.

Optionally, the top end of the piston rod is coaxially and fixedly connected with a bearing, the bottom end of the threaded rod is provided with a mounting seat, and the bearing is fixedly mounted in the mounting seat.

The threaded rod is rotatably connected with the piston rod through the bearing, so that the threaded rod can drive the piston rod to move, and abrasion between the threaded rod and the piston rod is avoided.

Optionally, the top end of the upper chamber is provided with an opening for the threaded rod to pass through.

The threaded rod can extend out through the opening at the top end of the upper chamber, so that the moving stroke of the threaded rod is increased, the internal pressure of a sealing space formed between the sucker and the ground can be smaller, and the card body is less prone to being sealed and blown down.

Optionally, one end of the inner support rod, which is far away from the outer support rod, is fixedly connected with a rubber ball.

Compared with the situation that the end part of the support inner rod is abutted against the ground, the friction resistance of the rubber ball is larger when the rubber ball is abutted against the ground, and the support effect of the support unit is improved.

Optionally, the power supply and the alarm are both fixedly mounted inside the box body.

The power supply and the alarm are prevented from being wetted by rainwater, so that short circuit or electric leakage of a circuit is avoided.

Drawings

Fig. 1 is a schematic perspective view of a first embodiment of the building construction signboard of the present invention;

FIG. 2 is a front view of FIG. 1;

FIG. 3 is a longitudinal sectional view of the pump cartridge according to the first embodiment;

FIG. 4 is a longitudinal cross-sectional view of a support rod according to one embodiment;

fig. 5 is a schematic perspective view of a second embodiment of the building construction signboard of the present invention;

FIG. 6 is a longitudinal sectional view of the case according to the second embodiment.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the novel vacuum suction cup comprises a card body 1, a stand column 2, a base 3, a suction cup 4, a suction cup main body 401, a suction cup edge portion 402, an air suction cylinder 5, a piston 501, an upper chamber 502, a lower chamber 503, an air suction pipe 504, a piston rod 505, a threaded section 506, a threaded rod 6, a bearing 7, a ring 8, a support rod 9, a support inner rod 901, a support outer rod 902, a rubber ball 10, a mounting plate 11, a through hole 12, a screw 13, a mounting plate 14, a box body 15, an alarm 16, a conductive ball 17, a power supply 18, an annular baffle plate 19, an annular cover plate 20, an upper conductive ring 21.

Example one

This embodiment is substantially as shown in fig. 1 and 2: the construction signboard comprises a signboard body 1, a stand column 2 and a base 3, wherein the top end of the stand column 2 is fixedly connected with the bottom end of the signboard body 1, and the bottom end of the stand column 2 is fixedly connected with the base 3. The base 3 is provided with a plurality of negative pressure reinforcing units, in this embodiment, three negative pressure reinforcing units are provided on each base 3. Every negative pressure reinforcing unit includes sucking disc 4 and suction tube 5, and sucking disc 4 includes sucking disc main part 401 and sucking disc edge part 402, sucking disc main part 401 and sucking disc edge part 402 integrated into one piece, and sucking disc edge part 402 is the level cyclic annular to the area of contact of increase sucking disc 4 and ground makes sucking disc 4 change and forms the confined space with ground.

Referring to fig. 3, a piston 501 is vertically slidably connected in the pump cylinder 5, the piston 501 divides the pump cylinder 5 into an upper chamber 502 and a lower chamber 503 which are independent, the lower chamber 503 is communicated with a pump tube 504, the pump tube 504 passes through the base 3 to be communicated with the suction cup 4, and the pump tube 504 is fixedly connected with the base 3. Piston 501 fixedly connected with piston rod 505, the top of piston rod 505 rotates and is connected with threaded rod 6, specifically, the coaxial fixedly connected with bearing 7 in top of piston rod 505, and the mount pad has been seted up to the bottom of threaded rod 6, and bearing 7 fixed mounting is in the mount pad.

The inner peripheral wall of the upper chamber 502 is provided with a threaded section 506, and the threaded rod 6 is in threaded connection with the threaded section 506. An opening for the threaded rod 6 to pass through is formed in the top end of the upper cavity 502, a circular ring 8 is fixedly connected to the top end of the threaded rod 6, and the circular ring 8 is located above the upper cavity 502.

All be equipped with the support element on the left side wall of tablet body 1 and the right side wall, the support element includes screw 13 and two spinal branch vaulting poles 9, combine shown in fig. 4, pole 901 and support outer pole 902 in the bracing piece 9 is including supporting, support outer pole 902 and seted up flexible hole along the axial, pole 901 and flexible hole threaded connection in the support, the bottom fixedly connected with rubber ball 10 of pole 901 in the support, the top fixedly connected with installation piece 11 of support outer pole 902, set up the through-hole 12 that supplies screw 13 to pass on the installation piece 11. The left side and the right side of the top end of the plate body 1 are fixedly connected with a mounting plate 14, a threaded hole is formed in the mounting plate 14, and a screw 13 is in threaded connection with the threaded hole.

The specific implementation process is as follows: firstly, the ground is cleaned, sundries such as stones, dust and the like on the ground are cleaned, a relatively flat bottom surface is selected, the card body 1 is placed on the ground, at the moment, the edge part 402 of the sucking disc is in contact with the ground, and a sealed space is formed between the sucking disc 4 and the ground. Then, the worker rotates the threaded rod 6 counterclockwise through the ring 8, because the threaded rod 6 is in threaded connection with the threaded section 506 of the upper chamber 502, the threaded rod 6 moves upward in the process of counterclockwise rotation, the piston 501 is pulled to slide upward, the volume of the lower chamber 503 is increased, in the process, the lower chamber 503 is communicated with the suction cup 4 through the exhaust tube 504, therefore, gas in the sealed space formed between the suction cup 4 and the ground enters the lower chamber 503, overall, the internal pressure of the lower chamber 503 and the sealed space is gradually reduced, the suction cup 4 is tightly adsorbed on the ground under the action of external atmospheric pressure, and at the moment, the worker stops rotating the threaded rod 6 counterclockwise. The worker enables the suckers 4 in the rest five negative pressure reinforcing units to be tightly adsorbed on the ground through the method, so that the mahjong body 1 is fixedly installed on the ground, the probability that the mahjong body 1 is blown down by wind is greatly reduced, and the safety is improved.

After the suction cups 4 in the six negative pressure reinforcing units are adsorbed on the ground, a worker rotates the two support rods 9 in the supporting unit to enable one support rod 9 to incline towards the front side of the mahjong body 1, the other support rod 9 inclines towards the rear side of the mahjong body 1, then the screw 13 is rotated clockwise to enable the screw 13 to be screwed down, the mounting piece 11 which supports the top end of the outer rod 902 is abutted, the support rods 9 are fixed, and the support rods 9 are kept inclined. Then, the inner supporting rod 901 is rotated anticlockwise, so that the inner supporting rod 901 extends outwards, the length of the whole length of the supporting rods 9 is long until the rubber balls 10 on the inner supporting rod 901 abut against the ground, at the moment, the two supporting rods 9 in the supporting unit support the board body 1 in a herringbone mode, the board body 1 is further prevented from being blown down by wind, and safety is improved.

When the card body 1 needs to be retracted, the inner support rod 901 is rotated clockwise, so that the inner support rod 901 is retracted inwards, the overall length of the support rods 9 is shortened, the screws 13 are rotated anticlockwise, the screws 13 are loosened, the mounting pieces 11 are not abutted tightly, and the two support rods 9 are swung under the action of gravity to reset. Finally, the worker rotates the threaded rod 6 clockwise through the ring 8, so that the threaded rod 6 moves downwards to drive the piston 501 to slide downwards, the volume of the lower chamber 503 is reduced, the internal pressure of the lower chamber 503 and the sealed space is gradually increased until the internal pressure is the same as the external atmospheric pressure, the sucking disc 4 does not adsorb the ground under negative pressure, and at the moment, the worker can stop rotating the threaded rod 6 clockwise to withdraw the card body 1.

Example two

The difference between the present embodiment and the first embodiment is: as shown in fig. 5 and 6, the bottom of the plate body 1 is provided with an alarm unit, the alarm unit includes a box body 15, an alarm 16, a conductive ball 17, a power supply 18 and an annular baffle 19, in this embodiment, the alarm 16 is a buzzer, the buzzer is fixedly connected to the inner side wall of the box body 15, and the power supply 18 is fixedly connected to the top wall of the box body 15. The lateral wall of box body 15 has seted up the access hole, and access hole department rotates and is connected with the door body that is used for sealing the access hole.

The annular baffle 19 is fixedly connected to the bottom wall of the box body 15, the thickness of the bottom wall of the box body 15 is continuously reduced from the edge to the center, the outer side face of the bottom wall of the box body 15 is a plane, and the conductive ball 17 is placed at the center of the bottom wall of the box body 15. The top end of the annular baffle 19 is fixedly connected with an annular cover plate 20, the bottom wall of the annular cover plate 20 is fixedly connected with an upper conductive ring 21, the bottom wall of the box body 15 is fixedly connected with a lower conductive ring 22, the lower conductive ring 22 is embedded on the bottom wall of the box body 15, the upper surface of the lower conductive ring 22 is level with the bottom wall of the box body 15, the lower conductive ring 22 is located below the upper conductive ring 21, the distance between the outer end of the upper conductive ring 21 and the outer end of the lower conductive ring 22 is smaller than the diameter of the conductive ball 17, the conductive ball 17 is simultaneously connected with the upper conductive ring 21, the alarm 16 is communicated with the power supply 18 to give an alarm when the lower conductive ring 22 is in contact, specifically, the anode of the power supply 18 is electrically connected with the upper conductive ring 21 through a wire, the lower conductive ring 22 is electrically connected.

The specific implementation process is as follows: when the card body 1 is blown down by strong wind or topples over under other external force, the conductive ball 17 on the bottom wall of the box body 15 rolls, the conductive ball 17 is certainly contacted with the upper conductive ring 21 and the lower conductive ring 22 at the same time, so that the alarm 16 is communicated with the power supply 18 to give out sound alarm, therefore, when the card body 1 is toppled over on the ground, the alarm unit can automatically give out alarm to warn pedestrians to pay attention to safety, the pedestrians are prevented from entering a dangerous area because the card body 1 cannot be toppled over, and potential safety hazards are eliminated. Meanwhile, the alarm can prompt the staff to catch up the card body 1 again. After the card body 1 is raised, the conductive ball 17 rolls along the bottom wall of the box body 15 and falls back to the center of the bottom wall of the box body 15, so that the automatic power-off of the alarm 16 is realized.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be pointed out that to those skilled in the art, without departing from the structure of the present invention, a plurality of modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the utility of the present invention.

Claims

1. Construction signboard, including tablet body, stand and base, its characterized in that: the vacuum pump is characterized in that a plurality of negative pressure reinforcing units are arranged on the base, each negative pressure reinforcing unit comprises a sucker and an air pump cylinder, a piston is connected to the inner portion of each air pump cylinder in a vertical sliding mode, the piston separates the air pump cylinders into an upper independent cavity and a lower independent cavity, the lower cavities are communicated with the air pump pipes, the air pump pipes penetrate through the base and are communicated with the suckers, piston fixedly connected with piston rods are connected with threaded rods in a rotating mode, the inner peripheral walls of the upper cavities are provided with threaded sections, the threaded rods are connected with the threaded sections in a threaded mode, the top ends of the threaded rods are fixedly connected.

2. The construction signboard of claim 1, wherein: all be equipped with the supporting element on the both sides wall of the tablet body, the supporting element includes screw and two spinal branch vaulting poles, the bracing piece is including supporting interior pole and supporting the outer pole, supports the outer pole and has seted up flexible hole along the axial, support interior pole with flexible hole threaded connection supports the top of outer pole and is equipped with the installation piece, sets up the through-hole that supplies the screw to pass on the installation piece, and the both sides on the top of the tablet body all are equipped with the mounting panel, set up threaded hole on the mounting panel, the screw with screw hole threaded connection.

3. The construction signboard of claim 1 or 2, wherein: the bottom of the plate body is provided with an alarm unit, the alarm unit comprises a box body, an alarm, a conductive ball, a power supply and an annular baffle, the annular baffle is fixedly connected to the bottom wall of the box body, the thickness of the bottom wall of the box body is continuously reduced from edge to center, the outer side surface of the bottom wall of the box body is a plane, the conductive ball is placed at the center of the bottom wall of the box body, the top end of the annular baffle is fixedly connected with an annular cover plate, the bottom wall of the annular cover plate is fixedly connected with an upper conductive ring, the bottom wall of the box body is fixedly connected with a lower conductive ring, the lower conductive ring is embedded on the bottom wall of the box body, the upper surface of the lower conductive ring is parallel to the bottom wall of the box body, the lower conductive ring is positioned below the upper conductive ring, the distance between one end of, When the lower conducting ring is contacted, the alarm is communicated with the power supply to send out an alarm.

4. The construction signboard of claim 3, wherein: the alarm is a buzzer.

5. The construction signboard of claim 3, wherein: the access hole is formed in the side wall of the box body, and the access hole is rotatably connected with a door body used for sealing the access hole.

6. The construction signboard of claim 1, wherein: the sucking disc includes sucking disc main part and sucking disc edge part, sucking disc main part and sucking disc edge part integrated into one piece, and the sucking disc edge part is the level ring-type.

7. The construction signboard of claim 1, wherein: the coaxial fixedly connected with bearing in top of piston rod, the mount pad has been seted up to the bottom of threaded rod, and bearing fixed mounting is in the mount pad.

8. The construction signboard of claim 7, wherein: an opening for the threaded rod to pass through is formed in the top end of the upper cavity.

9. The construction signboard of claim 2, wherein: one end of the inner support rod, which is far away from the outer support rod, is fixedly connected with a rubber ball.

10. The construction signboard of claim 3, wherein: the power supply and the alarm are fixedly arranged in the box body.