Self-locking anti-theft well lid

Abstract

The utility model relates to the field of urban buildings, in particular to a self-locking anti-theft well lid which comprises an upper well lid body, a lower well base, a hinge assembly, an induction assembly and a locking assembly, the upper well lid body comprises a bearing well ring and a bearing assembly and forms a triangular stable structure, and the induction assembly and the locking assembly are arranged between the triangular stable structures; the lower well seat comprises a limiting well ring, a limiting assembly and a fixing assembly; the bearing walling crib is embedded into the limiting walling crib, the sensing assembly drives the locking assembly to lock the upper well lid and the lower well base through limiting of the limiting assembly, the bearing walling crib drives the locking assembly to limit and fix the upper well lid and the lower well base, and the locking precision between the locking assembly and the limiting assembly is guaranteed. And the sensing assembly and the locking assembly are arranged on the triangular stable structure, the locking assembly is driven by gravity to achieve self-locking of the well lid and prevent the well lid from being opened outwards, the well lid is prevented from being stolen and turned over, the well lid can be opened inwards through the sensing reset piece, and overhauling is convenient.

Description

Technical Field

[0001] The utility model relates to the field of urban construction, in particular to a self-locking anti-theft manhole cover. Background Art

[0002] Manhole covers are used to cover deep wells on roads or at home to prevent people or objects from falling. According to the material, they can be divided into metal manhole covers, high-strength fiber cement concrete manhole covers, resin manhole covers, etc. They are generally round. They can be used for green belts, sidewalks, motor vehicle lanes, docks, alleys, etc. There will be many underground pipelines in urban construction, such as sewers, underground gas pipelines, tap water pipelines, power pipelines, communication pipelines, national defense pipelines, etc. These pipelines must have an outlet to the ground at intervals. The section from the pipeline to the ground is called a sound well. The manhole mouth is usually flush with the ground, so a manhole cover is needed to prevent passers-by or vehicles from falling into the manhole.

[0003] Existing manhole covers generally do not have good anti-theft properties when in use, and are easily stolen by criminals, resulting in traps on the road, which can easily cause injuries or traffic accidents, posing a major safety hazard. Utility Model Content

[0004] To solve the above problems, the utility model provides a self-locking anti-theft manhole cover, which solves the problem that the manhole cover generally does not have good anti-theft performance when in use, is easy to be stolen by criminals, causes traps on the road, easily causes injuries or traffic accidents, and poses a major safety hazard.

[0005] The technical scheme adopted by the utility model is: it includes an upper manhole cover, a lower manhole seat, a hinge assembly, a sensing assembly, and a locking assembly; the upper manhole cover includes a load-bearing manhole ring and a load-bearing assembly arranged on the load-bearing manhole ring, and a triangular stable structure is formed between the load-bearing assembly and the load-bearing manhole ring; the sensing assembly and the locking assembly are arranged between the triangular stable structure; the hinge assembly includes two groups of fixed ends respectively arranged on the upper manhole cover and the lower manhole seat, and a movable end arranged on the fixed end and used for the upper manhole cover and the lower manhole cover to move; the lower manhole cover includes a limiting manhole ring, a limiting assembly arranged in the limiting manhole ring, and a fixed assembly arranged in the limiting assembly; one end of the load-bearing manhole ring can be embedded in the limiting manhole ring and limited by the limiting assembly, and the gravity of the load-bearing manhole ring enables the sensing assembly to drive one end of the locking assembly toward the limiting assembly to limit and lock the upper manhole cover and the lower manhole seat.

[0006] A further improvement to the above scheme is that the upper manhole cover is provided with a circular cover plate, the circular cover plate is provided with an anti-slip strip and a circular leakage hole, one end of the circular leakage hole is penetrated through the upper manhole cover and faces the lower manhole seat.

[0007] A further improvement to the above scheme is that a bevel welding block is provided at one end of the circular cover plate, one end of the bevel welding block is welded to the load-bearing well ring, a load-bearing block is provided in the load-bearing well ring, and one end of the load-bearing block is provided in the load-bearing assembly.

[0008] A further improvement to the above scheme is that the load-bearing component includes a load-bearing beam, a load-bearing ring arranged on the load-bearing beam, and load-bearing ribs arranged in the load-bearing ring. The load-bearing well ring and the load-bearing ring can form a triangular stable structure through the load-bearing beam, and an elastic adjustment part is provided in the triangular stable structure.

[0009] A further improvement to the above solution is that the elastic adjustment member includes an elastic member, a fixing member, and a bending area arranged between the elastic member and the fixing member, and the bending area provides continuous elasticity for the elastic member.

[0010] A further improvement to the above scheme is that the limiting well ring is provided with a strip-shaped water leakage hole and a limiting reinforcement rib arranged at one end of the strip-shaped water leakage hole, and one end of the limiting reinforcement rib is arranged on the limiting component and limits the limiting component.

[0011] A further improvement to the above scheme is that the limiting component includes a limiting protrusion, a limiting groove arranged in the limiting protrusion, and a limiting hole and a limiting block arranged in the limiting protrusion; the sensing component and the locking component are arranged in the limiting groove, and the limiting hole and the limiting block are limited and locked.

[0012] A further improvement to the above solution is that the induction component includes an induction housing, an induction sensor disposed in the induction housing, and an induction reset member connected to one end of the induction sensor.

[0013] A further improvement to the above solution is that buffer fixing blocks are provided on both sides of the sensor housing, and one end of the locking assembly is connected to the sensor.

[0014] A further improvement to the above solution is that the locking assembly includes a lifting rod and a lifting barb raised on the lifting rod.

[0015] The beneficial effects of the utility model are:

[0016] Compared with the existing anti-theft manhole covers, the utility model limits and fixes the upper manhole cover and the lower manhole seat respectively through the load-bearing manhole ring and the limiting manhole ring, and the load-bearing manhole ring is provided with a load-bearing component to form a triangular stable structure, which greatly enhances the stability and practicality of the manhole covers, and the sensing component, the locking component, and the hinge component are respectively arranged on the triangular stable structure, and the upper manhole cover is hingedly covered on the lower manhole seat, and the gravity generated by the two drives the locking component through the sensing component to limit and lock the upper manhole cover and the lower manhole seat respectively, and the weight is used to lock the upper manhole cover and the lower manhole seat. The force-driven locking assembly realizes self-locking of the manhole cover, and an induction reset part is sleeved between the induction assembly and the locking assembly, so that maintenance personnel can open the manhole cover inward in the inspection room inside the pipeline, which is convenient for maintenance personnel to use. The locking assembly is provided with a lifting rod and a lifting hook, which is fastened by the lifting hook and the limit hole in the limit assembly, so that the manhole cover is fastened and cannot be opened outward, thereby preventing the manhole cover from being stolen and overturned, improving the safety and practical performance and service life of the entire manhole cover, having strong practicality and having certain application prospects. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A three-dimensional diagram of the self-locking anti-theft manhole cover of the utility model;

[0018] Figure 2 It is a structural schematic diagram of the upper manhole cover of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the lower well seat of the utility model;

[0020] Figure 4 It is a structural schematic diagram of the hinge assembly of the utility model;

[0021] Figure 5 This is a schematic diagram of the structure of the sensing component and the locking component of the utility model

[0022] Figure 6 for Figure 5 Enlarged view of point A in the middle.

[0023] Description of reference numerals: upper manhole cover 1, load-bearing manhole ring 11, load-bearing block 111, load-bearing assembly 12, load-bearing beam 121, load-bearing ring 122, load-bearing rib 123, triangular stabilizing structure 13, elastic adjustment member 131, elastic member 132, fixing member 133, bending area 134, circular cover plate 14, anti-slip strip 141, circular water leakage hole 142, inclined welding block 143;

[0024] like Figure 3 As shown, the lower well seat 2, the limiting well ring 21, the strip-shaped water leakage hole 211, the limiting reinforcement rib 212, the limiting component 22, the limiting protrusion 221, the limiting groove 222, the limiting hole 223, the limiting block 224, and the fixing component 23;

[0025] Hinge assembly 3, fixed end 31, movable end 32;

[0026] Induction component 4, induction housing 41, inductor 42, induction reset member 43, buffer fixing block 44;

[0027] Locking assembly 5, lifting rod 51, lifting hook 52. DETAILED DESCRIPTION

[0028] In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the relevant drawings. The preferred embodiments of the present invention are given in the drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present invention more thorough and comprehensive.

[0029] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be an intermediate element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be an intermediate element at the same time.

[0030] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention.

[0031] like Figure 1-6 As shown, a self-locking anti-theft manhole cover of the utility model comprises an upper manhole cover 1, a lower manhole seat 2, a hinge assembly 3, a sensing assembly 4, and a locking assembly 5; the upper manhole cover 1 comprises a load-bearing manhole ring 11, a load-bearing assembly 12 arranged on the load-bearing manhole ring 11, and a triangular stable structure 13 is formed between the load-bearing assembly 12 and the load-bearing manhole ring 11; the sensing assembly 4 and the locking assembly 5 are arranged between the triangular stable structure 13; the hinge assembly 3 comprises two sets of fixed ends 31 arranged on the upper manhole cover 1 and the lower manhole seat 2, and a set The movable end 32 is on the fixed end 31 and is used for the upper manhole cover 1 and the lower manhole seat 2 to move; the lower manhole seat 2 includes a limiting manhole ring 21, a limiting component 22 arranged in the limiting manhole ring 21, and a fixed component 23 arranged in the limiting component 22; one end of the load-bearing manhole ring 11 can be embedded in the limiting manhole ring 21 and limited by the limiting component 22; through the gravity of the load-bearing manhole ring 11, the sensing component 4 drives one end of the locking component 5 toward the limiting component 22 to limit and lock the upper manhole cover 1 and the lower manhole seat 2.

[0032] like Figure 1As shown, the upper manhole cover 1 is provided with a circular cover plate 14, on which an anti-slip strip 141 and a circular leakage hole 142 are provided, one end of which is passed through the upper manhole cover 1 and faces the lower manhole seat 2. In this embodiment, the anti-slip strip 141 is used to prevent the cover plate from slipping, thereby improving the safety and practical performance of the manhole cover, and the anti-slip strip 141 is provided with a plurality of groups of anti-slip strips 141 which can be combined to form different patterns, fonts, and logos, thereby greatly enhancing the practicality of the anti-slip strip 141, as well as the overall beautification and practicality of the manhole cover, and the cover plate is provided with a circular leakage hole 142 for easy drainage.

[0033] A bevel welding block 143 is provided at one end of the circular cover plate 14, and one end of the bevel welding block 143 is welded to the load-bearing well ring 11. A load-bearing block 111 is provided inside the load-bearing well ring 11, and one end of the load-bearing block 111 is provided at the load-bearing component 12. In this embodiment, the bevel welding block 143 is used to facilitate strengthening the stability between the circular cover plate 14 and the load-bearing well ring 11, and the load-bearing block 111 is provided inside the load-bearing well ring 11 to facilitate improving the load-bearing capacity of the load-bearing well ring 11, reducing the wear on the load-bearing well ring 11, and enhancing the welding stability between the load-bearing well ring 11 and the load-bearing component 12.

[0034] like Figure 2 As shown, the load-bearing component 12 includes a load-bearing beam 121, a load-bearing ring 122 arranged on the load-bearing beam 121, and a load-bearing rib 123 arranged in the load-bearing ring 122. The load-bearing well ring 11 and the load-bearing ring 122 can form a triangular stable structure 13 through the load-bearing beam 121. The triangular stable structure 13 is provided with an elastic adjusting member 131. In this embodiment, the load-bearing component 12 is used to facilitate the support of the upper manhole cover 1, strengthen the support stability of the upper manhole cover 1, ensure the practicability of the upper manhole cover 1, and the practicability of the manhole cover is greatly enhanced by the triangular stable structure 13 on the load-bearing component 12.

[0035] The elastic adjusting member 131 includes an elastic member 132, a fixing member 133, and a bending area 134 arranged between the elastic member 132 and the fixing member 133. The bending area 134 provides continuous elasticity for the elastic member 132. In this embodiment, the elastic adjusting member 131 is used to provide a reaction force to the manhole cover to prevent the manhole cover from sinking due to excessive gravity, thereby improving the safety and practical performance and the service life of the manhole cover.

[0036] A strip-shaped water leakage hole 211 and a limiting reinforcement rib 212 are provided on the limiting well ring 21, and one end of the limiting reinforcement rib 212 is provided on the limiting component 22 and limits the limiting component 22. In this embodiment, the strip-shaped water leakage hole 211 is used to guide and drain the accumulated water on the well cover, and a reinforcement rib is provided at one end of the strip-shaped water leakage hole 211. The reinforcement rib can facilitate the improvement of the stability of the lower well seat 2 to prevent rainwater erosion and corrosion.

[0037] The limiting component 22 includes a limiting protrusion 221, a limiting groove 222 arranged in the limiting protrusion 221, and a limiting hole 223 and a limiting block 224 arranged in the limiting groove 222. The sensing component 4 and the locking component 5 are arranged in the limiting groove 222, and the limiting hole 223 and the limiting block 224 are limited and locked. In this embodiment, the limiting component 22 is used to facilitate the limiting of the sensing component 4 and the locking component 5 arranged in the lower well seat 2, and the limiting hole 223 and the limiting block 224 are provided in the limiting component 22, so that the locking component 5 can lock and limit the upper well cover 1 through the limiting component 22.

[0038] like Figure 5 As shown, the sensing component 4 includes a sensing shell 41, a sensor 42 arranged in the sensing shell 41, and a sensing reset member 43 connected to one end of the sensor 42. In this embodiment, the sensing component is conveniently sensed by the sensor 42, so that when the upper manhole cover 1 covers the lower manhole seat 2, the sensing component 4 drives the locking component 5 to self-lock the upper manhole cover 1 and the lower manhole seat 2 through gravity, thereby realizing self-locking and anti-theft. The sensing component 4 is provided with a sensing reset member 43, which is convenient for maintenance personnel to reset the upper manhole cover 1 from the inside to the outside through the sensing reset member 43 when performing maintenance in the shaft, so as to facilitate maintenance personnel to perform internal and external inspections and improve the practicality of the manhole cover.

[0039] Buffer fixing blocks 44 are provided on both sides of the sensing shell 41, and one end of the locking component 5 is connected to the sensor 42. In this embodiment, the buffer fixing block 44 is used to enhance the stability between the sensing component 4 and the load-bearing well ring 11, as well as the gravity buffering property. The sensing component 4 is provided with the sensing shell 41 to increase the service life of the sensing component 4 and prevent gravity from triggering the sensing component 4 and causing wear.

[0040] like Figure 6As shown, the locking assembly 5 includes a lifting rod 51 and a lifting barb 52 raised on the lifting rod 51. In this embodiment, the lifting rod 51 is used to facilitate the sensing assembly 4 to drive the lifting rod 51 to limit and lock the limit assembly 22 in the lower well seat 2, and the lifting barb 52 is provided on the lifting rod. The lifting barb 52 is used to facilitate self-locking of the limit assembly 22, so that the upper well cover 1 and the lower well seat 2 are self-locked, thereby preventing the theft of the well cover and tightness problems, thereby improving the practicality and safety of the well cover.

[0041] The utility model adopts a self-locking anti-theft manhole cover, including an upper manhole cover 1, a lower manhole seat 2, a hinge assembly 3, a sensing assembly 4, and a locking assembly 5. The upper manhole cover 1 includes a load-bearing manhole ring 11 and a load-bearing assembly 12 arranged on the load-bearing manhole ring 11, a triangular stable structure 13 is formed between the load-bearing assembly 12 and the load-bearing manhole ring 11, and the sensing assembly 4 and the locking assembly 5 are arranged between the triangular stable structure 13; the hinge assembly 3 includes two groups of fixed ends 31 respectively arranged on the upper manhole cover 1 and the lower manhole seat 2, and a fixed end 31 arranged on the fixed end 31 and used for the upper manhole cover. The upper manhole cover 1 and the lower manhole seat 2 are movable at the movable end 32, and the lower manhole seat 2 includes a limiting manhole ring 21, a limiting component 22 arranged in the limiting manhole ring 21, and a fixing component 23 arranged in the limiting component 22; one end of the load-bearing manhole ring 11 can be embedded in the limiting manhole ring 21 and limited by the limiting component 22, and the gravity between the load-bearing manhole ring 11 and the limiting manhole ring 21 makes the sensing component 4 drive one end of the locking component 5 toward the limiting component 22 to limit and lock the upper manhole cover 1 and the lower manhole seat 2, and the load-bearing manhole ring 11 and the limiting manhole ring 21 are locked. The ring 21 limits and fixes the upper manhole cover 1 and the lower manhole seat 2 respectively, and a load-bearing component 12 is provided on the load-bearing manhole ring 11 to form a triangular stable structure 13. The stability and practicality of the manhole covers are greatly enhanced by the triangular stable structure 13. The sensing component 4, the locking component 5, and the hinge component 3 are respectively arranged on the triangular stable structure 13. The upper manhole cover 1 is hingedly covered on the lower manhole seat 2. The gravity generated by the two drives the locking component 5 through the sensing component 4 to limit and lock the upper manhole cover 1 and the lower manhole seat 2 respectively. The locking component 5 is driven by gravity to lock the manhole cover 1 and the lower manhole seat 2. The cover is self-locking, and an induction reset member 43 is sleeved between the induction component 4 and the locking component 5, so that maintenance personnel can open the manhole cover inward in the inspection room inside the pipeline, which is convenient for maintenance personnel to use. The locking component 5 is provided with a lifting rod 51 and a lifting hook 52, which is fastened by the lifting hook 52 and the limiting hole 223 in the limiting component 22, so that the manhole cover is fastened and cannot be opened outward, thereby preventing the manhole cover from being stolen and overturned, improving the safety and practical performance and service life of the entire manhole cover, having strong practicality, and having certain application prospects.

[0042] The above embodiments only express several implementation methods of the utility model, and the descriptions are relatively specific and detailed, but they cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A self-locking anti-theft manhole cover, characterized in that: It includes an upper manhole cover, a lower manhole seat, a hinge assembly, a sensing assembly, and a locking assembly; the upper manhole cover includes a load-bearing manhole ring and a load-bearing assembly arranged on the load-bearing manhole ring, and a triangular stable structure is formed between the load-bearing assembly and the load-bearing manhole ring; the sensing assembly and the locking assembly are arranged between the triangular stable structure; the hinge assembly includes two groups of fixed ends respectively arranged on the upper manhole cover and the lower manhole seat, and a movable end arranged on the fixed end and used for the upper manhole cover and the lower manhole cover to move; the lower manhole cover includes a limiting manhole ring, a limiting assembly arranged in the limiting manhole ring, and a fixed assembly arranged in the limiting assembly; one end of the load-bearing manhole ring can be embedded in the limiting manhole ring and limited by the limiting assembly, and the gravity of the load-bearing manhole ring makes the sensing assembly drive one end of the locking assembly toward the limiting assembly to limit and lock the upper manhole cover and the lower manhole seat.

2. The self-locking anti-theft manhole cover according to claim 1 is characterized in that: The upper manhole cover is provided with a circular cover plate, the circular cover plate is provided with an anti-slip strip and a circular water leakage hole, one end of the circular water leakage hole is penetrated through the upper manhole cover and faces the lower manhole seat.

3. The self-locking anti-theft manhole cover according to claim 2 is characterized in that: A bevel welding block is provided at one end of the circular cover plate, one end of the bevel welding block is welded to the load-bearing well ring, a load-bearing block is provided in the load-bearing well ring, and one end of the load-bearing block is arranged on the load-bearing component.

4. The self-locking anti-theft manhole cover according to claim 1 is characterized in that: The load-bearing component includes a load-bearing beam, a load-bearing ring arranged on the load-bearing beam, and load-bearing ribs arranged in the load-bearing ring. The load-bearing well ring and the load-bearing ring can form a triangular stable structure through the load-bearing beam, and an elastic adjusting part is arranged in the triangular stable structure.

5. The self-locking anti-theft manhole cover according to claim 4 is characterized in that: The elastic adjustment member includes an elastic member, a fixing member, and a bending area arranged between the elastic member and the fixing member, and the bending area provides continuous elasticity for the elastic member.

6. The self-locking anti-theft manhole cover according to claim 1 is characterized in that: The limiting well ring is provided with a strip-shaped water leakage hole and a limiting reinforcement rib arranged at one end of the strip-shaped water leakage hole. One end of the limiting reinforcement rib is arranged on the limiting component and limits the limiting component.

7. The self-locking anti-theft manhole cover according to claim 6 is characterized in that: The limiting component includes a limiting protrusion, a limiting groove arranged in the limiting protrusion, and a limiting hole and a limiting block arranged in the limiting groove. The sensing component and the locking component are arranged in the limiting groove, and limit and lock the limiting hole and the limiting block.

8. The self-locking anti-theft manhole cover according to claim 7 is characterized in that: The induction component comprises an induction shell, an inductor arranged in the induction shell, and an induction resetting member connected to one end of the inductor.

9. The self-locking anti-theft manhole cover according to claim 8 is characterized in that: Buffer fixing blocks are arranged on both sides of the induction housing, and one end of the locking assembly is connected to the inductor.

10. The self-locking anti-theft manhole cover according to claim 9, characterized in that: The locking assembly includes a lifting rod and a lifting barb mounted on the lifting rod.

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