CN201228361Y - Novel anti-stealing manhole cover capable of preventing rust and sound - Google Patents

Abstract

The utility model relates to a novel theftproof well lid with rust prevention and noise prevention functions, which is applied to the industries such as telecommunication, electrical power, fire protection, water supply, air supply, water discharge, etc., and comprises a well lid main-body, etc., wherein, a bolt sleeve subassembly is arranged at the upper end of the well lid main-body, and an L-type locking pin is arranged at the other thereof. The novel theftproof well lid serves the functions of stealing prevention, prying prevention, boring prevention, sawing prevention, noise prevention and shock resistance, has the especially outstanding rust prevention effect, and has the advantages of simple use, convenient maintenance, mature technology and low cost.

Description

The antirust dead anti-novel antitheft well cover that rings

Technical field

The utility model relates to a kind of antirust dead anti-novel antitheft well cover that rings that is applicable to that industries such as telecommunications, electric power, fire-fighting, water supply, air feed, draining are used.

Technical background

At present, well lid is stolen very serious, and that causes thus falls the people, weighs down thing and the stolen social concern that has become people's common concern of down-hole facility.Yet,, exist unreasonable structure though anti-stealing manhole covers such as hidden-locked, magnetic force dead bolt and shift fork joint coordinated type commonly used can prevent that the down-hole facility is stolen, the cost height, shortcomings such as anti-theft effect is poor, and its anti-theft device rust is extremely serious, historical facts or anecdotes can not be satisfactory in using.

Summary of the invention

In order to overcome the shortcoming of existing anti-stealing manhole cover, its anti-theft device rust i.e. defective that extremely can't open of rust about dead serious, half a year particularly, a kind of more reasonable structure of special proposition, anti-theft effect is better, and the novel antitheft well cover that just can open and lock of the supporting special opening instrument of needs with " antirust dead " and anti-loud function, to remedy present deficiency.

According to the utility model, a kind of antirust dead anti-novel antitheft well cover that rings, it is characterized in that this anti-stealing manhole cover comprise high-strength compression spring in the well lid main body that has at least one cover of the bolt with step through-hole above one and at least one step through-hole that is contained in the bolt cover and at least one axially pierce into high-strength compression spring and with the anti-theft locking bolt of its internal diameter coupling; One end of described anti-theft locking bolt is processed with a bolt head, and the end of bolt head is processed with at least one and the supporting pairing groove of special opening instrument, and other end coupling has a horizontal locking wings; Described bolt puts and has at least one latch recess that is positioned at step through-hole aperture one side in order to stop anti-theft locking bolt and horizontal locking wings thereof to move and be locked around axle; Described horizontal locking wings is to lock for one admittedly by with the lock fit of bolt cover the well lid main body being propped up seat ring with well lid.Certainly, a kind of antirust dead anti-novel antitheft well cover that rings can also be comprise an end above have bolt cover, the other end with step through-hole have the well lid main body of a L type locking bolt and the high-strength compression spring at least one step through-hole that is contained in the bolt cover and at least one axially pierce into high-strength compression spring and with the anti-theft locking bolt of its internal diameter coupling; One end of described anti-theft locking bolt is processed with a bolt head, and other end coupling has a horizontal locking wings; Be processed with at least one and the supporting pairing groove of special opening instrument on the bolt cephalic par of described anti-theft locking bolt; Described bolt puts and has at least one latch recess that is positioned at step through-hole aperture one side in order to stop anti-theft locking bolt and horizontal locking wings thereof to move and be locked around axle; Described well lid main body is that the lock fit by horizontal locking wings is propped up seat ring with it with well lid and locked for one admittedly.Described anti-theft locking bolt can be by being welded into one with the horizontal locking wings that matches, can also be that the cooperation locking by coupling nut fuses.The well lid main body both can be at symmetrical two ends respectively with two device types of a bolt cover group, can also be that being with greatly of end strap bolt cover group other end band L type locking bolt is small-sized, can also be that an end strap bolt cover group other end is the combined of hinge or convex edge tongue or other device.The separate component (as L type locking bolt) that described anti-theft locking bolt can be is one with horizontal locking wings can also be the assembly that is assembled into one with horizontal locking wings; Be processed with the supporting pairing groove of being convenient to operate of dop at least one and this anti-stealing manhole cover special opening instrument on the bolt cephalic par of the anti-theft locking bolt of the high-strength compression spring coupling in described and the bolt cover, this pairing groove can be various ways such as interior heptangle formula, interior five angie types, cross slot type; Can be more than one with the horizontal locking wings of anti-theft locking bolt other end coupling, and can be multiple shape; The anti-theft locking bolt can have multiple section shape, and is wherein circular best; The latch recess that bolt puts can be more than one, and preferably with laterally locking wings is supporting.High-strength compression spring preferably adopts the rustproof spring steel silk to make, and its geometry is preferably cylindrical, and can select its intensity and rebound performance etc. as required; Certainly, its rated pressure is best at 100～160 kilograms.A kind of antirust dead anti-novel antitheft well cover that rings can be made by metal material etc., can pass through kinds of processes, forms as methods such as casting, die forging, cold-heading, machines, preferably adopts materials such as cast steel or ductile iron.

(see also Fig. 1 to Figure 15) during use, this anti-stealing manhole cover contraposition that will assemble earlier tiltedly is placed on (end that L type locking bolt is housed on the well lid is positioned at the below) on the well lid bearing, promote an end of well lid strap bolt cover then with pin or other modes, making the well lid contraposition drop into well lid props up in the seat ring, again the dop on the special opening instrument of this anti-stealing manhole cover is sticked in the pairing groove on the bolt head of anti-theft locking bolt and put in place, this special opening instrument of last operation, dextrorotation puts in place and gets final product, and the horizontal locking wings on the anti-theft locking bolt has promptly sticked in the latch recess that bolt puts by the bounce of high-strength compression spring.At this moment, because the effect of high-strength compression spring, latch recess has promptly been blocked the groove fit face and has been pinned horizontal locking wings, and it can not be rotated, and simultaneously, laterally the termination of locking wings enters and blocked well lid and props up bottom, seat ring convex edge; At this moment, the termination of the horizontal locking wings on the L type of the well lid other end locking bolt has also been blocked well lid and has been propped up bottom, seat ring convex edge, and well lid promptly locks admittedly.

When the well lid that will lock admittedly when need is opened, earlier by predetermined operation sequence operation and the supporting special opening instrument of this anti-stealing manhole cover, to stick in the pairing groove on the bolt head of anti-theft locking bolt with the dop on this special opening instrument and put in place, block then and roof pressure bolt head on the pairing groove with high-strength compression length of spring compressed, make horizontal locking wings on the anti-theft locking bolt be separated from latch recess and put in place, the angle that rotation at last is scheduled to, make the horizontal locking wings on the anti-theft locking bolt withdraw from the convex edge bottom space that well lid props up seat ring, after putting in place, by the flange hole on the well lid, well lid can be opened.

Because the structure design of this anti-stealing manhole cover and to the specific (special) requirements of aspects such as material, anti-theft locking bolt and horizontal locking wings are bigger with the fit clearance of bolt cover and latch recess in addition, even under adverse circumstances such as humidity, corrosive gas, time one, long matching surface got rusty, also can be under 100～160 kilograms of pressure that the special opening instrument applies it, it is easy to open, " rust is dead " fault can not take place.

The utlity model has following major advantage: 1, rational in infrastructure, have anti-reliably pilferage, anti-sledge, anti-drilling, anti-saw, anti-sound, shock resistance function; 2, solved ideally with well lid and well lid prop up the seat ring lock for one and self can " it be not dead to become rusty " a difficult problem; 3, mature production technology is assembled easyly, and cost is low; But 4 standardization can be exchanged general; 5, adopt supporting special opening instrument locking and unlatching, convenient and swift, safe and reliable.

This anti-stealing manhole cover metal material that mainly has drawn from forms through methods such as casting, die forging, cold-heading, machines.

Description of drawings

The utility model is described in further detail below in conjunction with drawings and Examples.

Fig. 1 is that the master of the signal used of the assembling of a kind of embodiment of the present utility model (greatly with small-sized) looks schematic diagram;

Fig. 2 is the cross-sectional schematic of Fig. 1;

Fig. 3 is the A-A cross-sectional schematic of Fig. 4;

Fig. 4 looks schematic diagram for the A amplification of Fig. 2;

Fig. 5 looks schematic diagram for the B amplification of Fig. 2;

Fig. 6 is the B-B cross-sectional schematic of Fig. 5;

Fig. 7 is the schematic top plan view of Fig. 2;

Fig. 8 is the revolved section schematic diagram of Fig. 9;

Fig. 9 looks schematic diagram for the master of the well lid main body of Fig. 1;

Figure 10 looks schematic diagram for the master of the anti-theft locking bolt of Fig. 2;

Figure 11 looks schematic diagram for the left side of Figure 10;

Figure 12 is the schematic top plan view of Figure 10;

Figure 13 looks schematic diagram for the left side of Figure 12;

Figure 14 looks schematic diagram for the master of the horizontal locking wings of Fig. 2;

Figure 15 is the schematic top plan view of Figure 14;

Figure 16 is that the master of the signal used of the assembling of another kind of embodiment of the present utility model (two bolt cover type) looks schematic diagram;

Figure 17 is the cross-sectional schematic of Figure 16;

Figure 18 is the C-C cross-sectional schematic of Figure 19;

Figure 19 looks schematic diagram for the C amplification of Figure 17.

The specific embodiment

Please refer to Fig. 1 to Figure 15 (Fig. 1 to Fig. 7 is for assembling the signal when locking admittedly).At first by required requirement, specification, shape, size, appearance design, process and have pairing groove (14) on the bolt head (13), the anti-theft locking bolt (16) that has qualifying bit concave station (15) on the key, process high-strength compression spring (12), process the horizontal locking wings (20) that has location groove (19) and termination (18) and groove fit face (17), process an end and have step through-hole (8), aperture (10) one sides of its step through-hole have the bolt cover (11) of latch recess (9) and qualifying bit boss (5), the other end has the well lid main body (1) of the L type locking bolt (23) of a horizontal locking wings, then well lid is propped up seat ring (6) and be fixed on well head by concrete (3) cast, the key that will prepare the anti-theft locking bolt (16) of high-strength compression spring (12) more injects and passes the step through-hole aperture (10) that bolt puts from the macropore contraposition, again location groove (19) contraposition of horizontal locking wings (20) is sticked into the qualifying bit concave station (15) of anti-theft locking bolt and put in place, cooperate with locking screw thread (21) on the anti-theft locking bolt by lock nut (22) at last and lock, soon this anti-stealing manhole cover assembles; During use, this anti-stealing manhole cover contraposition that will assemble earlier tiltedly is placed on well lid and props up seat ring (6) upward (end that L type locking bolt is housed on the well lid is positioned at the below), the bolt that promotes this anti-stealing manhole cover with pin or other modes overlaps an end then, making this anti-stealing manhole cover contraposition drop into well lid props up in the seat ring, to stick into pairing groove (14) lining on the bolt head of anti-theft locking bolt (16) again with the dop on the supporting special tool of this anti-stealing manhole cover and put in place, this special tool of last operation, dextrorotation puts in place and promptly locks admittedly, at this moment, the horizontal locking wings (20) on the anti-theft locking bolt (16) has promptly sticked into latch recess (9) lining on the bolt cover (11) by the screen resilience of high-strength compression spring (12); Because the effect of high-strength compression spring, latch recess (9) has promptly been blocked the groove fit face (17) on the horizontal locking wings (20), pinned horizontal locking wings (20), it can not be rotated, simultaneously, laterally the termination (18) of locking wings enters and has blocked bottom, walling crib convex edge (7), at this moment, bottom, walling crib convex edge (7) has also been blocked in the termination (18) of the horizontal locking wings on the L type locking bolt (23) of this anti-stealing manhole cover other end, and well lid main body (1) is promptly propped up the solid lock of seat ring (6) with well lid and is one.When this anti-stealing manhole cover that will lock admittedly when need is opened, earlier by predetermined operation sequence operation and the supporting special tool of this anti-stealing manhole cover, to stick into pairing groove (14) lining on the anti-theft locking bolt bolt head with the dop on the supporting special tool of this anti-stealing manhole cover and put in place, block then and roof pressure bolt head on pairing groove (14) high-strength compression spring (12) is compressed, make horizontal locking wings (20) on the anti-theft locking bolt (16) be separated from latch recess (9) and put in place, the predetermined angle of last derotation, make the horizontal locking wings (20) on the anti-theft locking bolt withdraw from (7) space, bottom, walling crib convex edge, the back put in place [at this moment, laterally locking wings (20) has been stuck between qualifying bit boss (5)] tiltedly draw by the crotch instrument and be positioned at the flange hole (2) that bolt overlaps an end on the well lid main body, this anti-stealing manhole cover can be opened.(4) are reinforcing rib among the figure, and (24) are bolt cover reinforcing rib, and (25) are L type locking bolt reinforcing rib.

Please refer to Figure 16 to Figure 19 (for assembling the signal when locking admittedly).At first by required requirement, specification, shape, size, appearance design, process on the bolt head (13) and have the pairing groove, the anti-theft locking bolt (16) that has the qualifying bit concave station on the key, process high-strength compression spring (12), process the horizontal locking wings (20) that has location groove and termination (18) and groove fit face (17), process symmetrical two ends and respectively step through-hole (8) is arranged with one, aperture (10) one sides of its step through-hole have the well lid main body (1) of the bolt cover (11) of latch recess (9) and qualifying bit boss (5), then well lid is propped up seat ring (6) and be fixed on well head by concrete (3) cast, the key that will prepare the anti-theft locking bolt (16) of high-strength compression spring (12) more injects and passes the step through-hole aperture (10) that bolt puts from the macropore contraposition, again with the location groove of horizontal locking wings (20) respectively contraposition stick into the qualifying bit concave station of two anti-theft locking bolts (16) and put in place, cooperate with locking screw thread on the anti-theft locking bolt by lock nut (22) at last and lock, soon this anti-stealing manhole cover assembles; During use, this anti-stealing manhole cover contraposition that will assemble is earlier put well lid into and is propped up in the seat ring (6), to stick in the pairing groove on the bolt head (13) of two anti-theft locking bolts again with the dop on the supporting special tool of this anti-stealing manhole cover successively and put in place, this special tool of last operation, dextrorotation puts in place and promptly locks admittedly, at this moment, the horizontal locking wings (20) on the anti-theft locking bolt has promptly sticked in the latch recess on the bolt cover (11) by the screen resilience of high-strength compression spring (12); Because the effect of high-strength compression spring, latch recess has promptly been blocked the groove fit face (17) on the horizontal locking wings (20), pinned horizontal locking wings (20), it can not be rotated, simultaneously, laterally the termination (18) of locking wings enters and has blocked bottom, walling crib convex edge (7), and well lid main body (1) is promptly propped up the solid lock of seat ring (6) with well lid and is one.When this anti-stealing manhole cover that will lock admittedly when need is opened, earlier by predetermined operation sequence operation and the supporting special tool of this anti-stealing manhole cover, to stick in the pairing groove on the two anti-theft locking bolt bolt heads (13) with the dop on the supporting special tool of this anti-stealing manhole cover successively and put in place, block then and roof pressure bolt head on the pairing groove high-strength compression spring (12) is compressed, make horizontal locking wings (20) on the anti-theft locking bolt be separated from latch recess and put in place, the predetermined angle of last derotation, make the horizontal locking wings (20) on the anti-theft locking bolt withdraw from (7) space, bottom, walling crib convex edge, the back put in place [at this moment, laterally locking wings (20) has been stuck between qualifying bit boss (5)] by the flange hole on the well lid (2), this anti-stealing manhole cover can be opened.(4) are reinforcing rib among the figure, and (24) are bolt cover reinforcing rib.

Claims (4)

1, a kind of antirust dead anti-novel antitheft well cover that rings, it is characterized in that this anti-stealing manhole cover comprise high-strength compression spring in the well lid main body that has at least one cover of the bolt with step through-hole above one and at least one step through-hole that is contained in the bolt cover and at least one axially pierce into high-strength compression spring and with the anti-theft locking bolt of its internal diameter coupling; One end of described anti-theft locking bolt is processed with a bolt head, and the end of bolt head is processed with at least one and the supporting pairing groove of special opening instrument, and other end coupling has a horizontal locking wings; Described bolt puts and has at least one latch recess that is positioned at step through-hole aperture one side in order to stop anti-theft locking bolt and horizontal locking wings thereof to move and be locked around axle; Described horizontal locking wings is to lock for one admittedly by with the lock fit of bolt cover the well lid main body being propped up seat ring with well lid.

2, a kind of antirust dead anti-novel antitheft well cover that rings, it is characterized in that this anti-stealing manhole cover comprise an end above have bolt cover, the other end with step through-hole have the well lid main body of a L type locking bolt and the high-strength compression spring at least one step through-hole that is contained in the bolt cover and at least one axially pierce into high-strength compression spring and with the anti-theft locking bolt of its internal diameter coupling; One end of described anti-theft locking bolt is processed with a bolt head, and other end coupling has a horizontal locking wings; Be processed with at least one and the supporting pairing groove of special opening instrument on the bolt cephalic par of described anti-theft locking bolt; Described bolt puts and has at least one latch recess that is positioned at step through-hole aperture one side in order to stop anti-theft locking bolt and horizontal locking wings thereof to move and be locked around axle; Described well lid main body is that the lock fit by horizontal locking wings is propped up seat ring with it with well lid and locked for one admittedly.

3, according to claim 1,2 described antirust dead anti-loud novel antitheft well covers, it is characterized in that the same horizontal locking wings that matches of described anti-theft locking bolt is by being welded into one.

4,, it is characterized in that described anti-theft locking bolt is that cooperation locking by coupling nut fuses with the horizontal locking wings that matches according to claim 1, the 2 described antirust dead anti-novel antitheft well covers that ring.

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