CN201395773Y

CN201395773Y - Automatic safety warning sign used for well lid

Info

Publication number: CN201395773Y
Application number: CN2009200932886U
Authority: CN
Inventors: 于海波
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-03-27
Filing date: 2009-03-27
Publication date: 2010-02-03
Anticipated expiration: 2019-03-27

Abstract

The utility model relates to a safety warning sign, in particular to an automatic safety warning sign used for a well lid, which comprises a warning sign and an automatic control mechanism. A main shaft (4) in a housing (1) can drive a warning sign connecting rod (3) to move, the movement of the main shaft (4) is limited by a limiting shaft (6), and a lock pin driving shaft (9) drives a lock pin (7) at one end of a guy wire (8) to perform the unlocking control on the limiting shaft (6). When the well lid is departed from the well seat, the limiting shaft (6) bounces, the main shaft (4) is released from the control to drive the warning sign to be lifted up. The warning sign is sent to the horizontal position before the well lid is mounted, the lock pin (7) is used for locking the limiting shaft (6), and when the well lid is completely installed in place, the automatic safety warning sign stays at the ready state for work again. Therefore the automatic control and the repeated use are realized, vehicles and passers-by are prevented from falling off the well to the maximum extent, and personnel casualty and property loss are reduced.

Description

Well lid automatic safe warning mark

Technical field

The utility model relates to a kind of safety signs.Particularly be applied to the automatic safe warning mark of well lid.Formed by warning mark and automatic controls.

Background technology

The application of modern society's well lid more and more widely.No matter be, the existence of well lid still all can be arranged in the construction of various pipelines such as coal gas, fire-fighting, electric power, communication is laid in municipal drainage, water supply, heat supply.And these well lids all are placed on the motorway of vehicle ' and the sidewalk of pedestrian's walking on.Because the losing of well lid, unexpected failure or the nurse in the construction operation process is improper and in time do not place warning mark will make the Pedestrians and vehicles accident fall in the well, cause the loss of property so that personnel's injures and deaths.

Using maximum warning marks now is that taper caution stake or the plane alarming board of placing on the well limit back lost or damaged to well lid.China's utility model patent number is: 022915346 manual discloses a kind of light-light reflecting highway safety caution stake.Though this caution stake can be played warning function, needs manually-operated, and be that well lid is lost or damaged afterwards a period of time ability and found by administrative staff.So just existed very big potential safety hazard also to strengthen the difficulty and the cost of management.

The utility model content

The technical problems to be solved in the utility model provides the automatic warning mark of a kind of reusable well lid.Warning mark is hidden in below the well lid when the well lid normal mounting is on the well seat.When well lid left the well seat, warning mark erected automatically, played the effect of reminder alerting.Before new well lid is installed, warning mark is sent back to horizontal level.Start lock portion, this moment, warning mark was lockable.Lay when putting in place lock portion fully when well lid and remove lockup state, warning mark is in the preparation state again.

For addressing the above problem.The automatic warning mark of well lid of the present utility model is made up of warning mark and automatic controls.Warning mark and automatic controls are removable connected mode, detachable.Automatic controls is provided with housing, and the main shaft that can drive the warning mark motion is installed in the housing.Be wound with torque spring on the main shaft, main shaft one end is provided with rocking handle.The opposite side of housing is provided with the limit shaft of restriction main shaft rocking handle motion, and the lock pin driving shaft of control limit shaft motion.All being wound with return spring on limit shaft and lock pin driving shaft to provide elastic force to these two axles.The limit shaft sleeve pipe is provided with lockpin hole, and the limit shaft upper end also is provided with lockpin hole.Also be provided with a steel wire soft drawn wire (hereinafter to be referred as backguy) that is similar to the gas backguy in the centre of limit shaft and lock pin driving shaft.One end of backguy is connecting lock pin, and the card beans of the other end are set in the draw-in groove of lock pin driving shaft lower end.The transmission effect of power is played in backguy.

After adopting such structure, because the limited axle control of main shaft.And after the limit shaft release, controlled by the gravity of well lid.When well lid leaves the well seat, main shaft will drive warning mark and erect after breaking away from control under the elastic force effect of torque spring, play warning function like this.And lock portion can be locked in warning mark horizontal level again, so just can realize control automatically and repeat practical purpose.

Description of drawings

Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.

Fig. 1 is the front section view of the automatic controls (during lockup state) of the utility model well lid automatic safe warning mark.

Fig. 2 is the front section view of automatic controls (during released state) shown in Figure 1.

Fig. 3 is the front section view of automatic controls (during duty) shown in Figure 1.

Fig. 4 is the warning mark plan view of the utility model well lid automatic safe warning mark.

Fig. 5 is the vertical view of automatic controls shown in Figure 1.

The specific embodiment

Automatic controls shown in Figure 1 by housing 1, main shaft 4, main shaft rocking handle 13, limit shaft 6, backguy 8, and lock pin driving shaft 9 these several critical pieces form.Housing 1 is provided with fixing hole 15.On main shaft 4, be wound with torque spring 2.The main shaft two ends are provided with jump ring 16, and the effect of jump ring 16 is axially-movables of restriction main shaft 4.Main shaft 4 right sides are provided with main shaft rocking handle 13, and the two is fixed together.Also be provided with warning mark connecting rod 3 on the main shaft, this connecting rod and main shaft 4 adopt wire connection or welding manner.Limit shaft 6 upper ends are provided with lockpin hole, also are provided with lockpin hole on the limit shaft sleeve pipe 5.Limit shaft sleeve pipe 5 is fixed on the housing 1.Be wound with return spring 11 around limit shaft 6, the upper end of return spring 11 contacts with back-up ring 10, and the lower end is dropped on housing 1 and made on the spring pedestal 12 of one.And back-up ring 10 is also made one with limit shaft 6.The structure of lock pin driving shaft 9 and limit shaft 6 are close not to be illustrated at this.Backguy 8 is passed from the backguy hole 17 on the housing 1.One end of backguy 8 connects lock pin 7, and the other end is provided with the card beans, and the card beans are bumped in the draw-in groove of lock pin driving shaft 9 lower ends.

Shown in Figure 1 is the front elevational view of the automatic controls (during lockup state) of the automatic warning mark of the utility model well lid.This moment, main shaft rocking handle 13 limited axles 6 blocked akinesia.One end of torque spring 2 is fixed on the spring eye 14 on the housing 1, and the other end acts on the warning mark connecting rod 3, makes main shaft 4 that a trend that moves upward be arranged.But limited axle 6 restrictions.And limit shaft 6 is inserted into lock pin 7 lockings of lockpin hole and lives.At this moment the return spring 11 of limit shaft 6 is also given 6 one power that make progress of limit shaft, but by lock pin 7 lockings.At this moment to be in horizontal level motionless for the warning mark connecting rod 3 on the main shaft 4.

Fig. 2 is the front elevational view of automatic controls shown in Figure 1 (during released state).When well lid was placed on the well seat, the gravity of well lid pressed down.Lock pin driving shaft 9 is moved vertically downward, and move distance is greater than the length of lock pin 7.In 9 motions of lock pin driving shaft, backguy 8 pulling lock pins 7 move together.When well lid dropped on the well seat fully, lock pin 7 also was completely pulled out of lockpin hole.At this moment limit shaft breaks away from lock pin control, and is pushed down by well lid, and the gravity of well lid stops limit shaft 6 to move upward.Warning mark connecting rod 3 on the main shaft 4 still is horizontal at this moment.

Shown in Figure 3, when well lid left the well seat, the gravity that limit shaft 6 loses well lid pressed down, and return spring 11 is jack-up limit shaft 6 upwards.Move on the limit shaft 6 and make the 13 disengaging controls of main shaft rocking handle, under the elastic force effect of torque spring 2, make main shaft 4 rotations and drive warning mark connecting rod 3 and hold up the state of finishing the work.

Warning mark 19 shown in Figure 4 is removable movable connection methods with warning mark connecting rod 3.Leave installing hole 21 in the installation site of warning mark 19, warning mark connecting rod 3 is provided with pinhole 18.Be inserted into the installation site of warning mark when warning mark connecting rod 3 after, pinhole 18 alignd with installing hole 21 to be connected and fixed with cottor pin or complete screw again.Warning mark adopts the traffic warning board with reflecting effect, and the shape size is adjusted according to the well lid diameter.

Housing 1 shown in Figure 5 is an arcwall face with the contact surface A of well seat, and the processing radian should be consistent with well seat radian.Above the housing 1 and front all has the work nest 20 for 3 motions of warning mark connecting rod.The effect of work nest 20 is promptly to be blocked after warning mark connecting rod 3 is holded up the upright position.

Owing to adopted said structure to make warning mark can realize that automatic control can reuse again.So just can when leaving the well seat, well lid start warning mark.Reduced the generation of security incident to greatest extent.Minimizing personnel's the injures and deaths and the loss of property.

Claims

1. automatic safe warning mark that is applied to well lid, form by warning mark and automatic controls, it is characterized in that: described warning mark (19) is removable movable connection method with the warning mark connecting rod (3) of automatic controls, one side of the housing of automatic controls (1) is equipped with main shaft (4), main shaft rocking handle (13), warning mark connecting rod (3) is installed on the main shaft (4), the opposite side of housing (1) is equipped with limit shaft (6), lock pin driving shaft (9), is provided with backguy (8) in the middle of limit shaft (6) and the lock pin driving shaft (9).

2. well lid automatic safe warning mark according to claim 1 is characterized in that: the installation site of described warning mark (19) is provided with installing hole (21), and warning mark connecting rod (3) is provided with pinhole (18).

3. well lid automatic safe warning mark according to claim 1, it is characterized in that: described main shaft (4) is fixed together with warning mark connecting rod (3), be wound with torque spring (2) on the main shaft (4), torque spring (2) one ends are fixed on the spring eye (14) on the housing (1), the other end acts on the warning mark connecting rod (3), and main shaft (4) can drive warning mark connecting rod (3) motion.

4. well lid automatic safe warning mark according to claim 1 is characterized in that: described limit shaft (6) upper end is provided with lockpin hole, and the limit shaft sleeve pipe also is provided with lockpin hole on (5), and lock pin (7) passes through in above-mentioned lockpin hole.

5. well lid automatic safe warning mark according to claim 1, it is characterized in that: the card beans that described backguy (8) one ends connect lock pin (7) other end are set in the draw-in groove of lock pin driving shaft (9) lower end, and backguy (8) is passed from the backguy hole (17) on the housing (1).

6. well lid automatic safe warning mark according to claim 3 is characterized in that: described main shaft (4) one ends are provided with main shaft rocking handle (13), and main shaft rocking handle (13) is fixed together with main shaft (4), the limited axle of main shaft rocking handle (13) (6) control.

7. well lid automatic safe warning mark according to claim 4, it is characterized in that: described limit shaft (6) is wound with return spring (11) on every side, the upper end of return spring (11) contacts with back-up ring (10), and the lower end is dropped on housing (1) and made on the spring pedestal (12) of one.