Anti-theft and anti-bounce well lid
By combining the articulated slot with the articulated shaft, the pressing part, and the pressure tongue, the problems of easy theft and bouncing of manhole covers are solved, achieving stability and anti-theft properties of manhole covers, and improving traffic safety and service life.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-20
- Publication Date
- 2026-03-24
AI Technical Summary
Existing manhole covers are easily stolen and can bounce when run over by vehicles, posing a traffic safety hazard.
The design incorporates a hinged groove and hinged shaft, a pressure section and a pressure tongue, combined with an unlocking groove and an elastic rod structure to enhance the connection stability between the manhole cover and the frame. The load-bearing section also improves the installation difficulty and the degree of connection.
It effectively prevents manhole covers from bouncing under vehicle pressure, increases the difficulty of theft, extends service life, and enhances traffic safety.
Smart Images
Figure CN224031752U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the field of well lid related, especially a kind of theftproof and anti-bouncing well lid. BACKGROUND
[0002] In road construction, in order to lay water conservancy or power equipment, pipe well is dug under road, but in order to timely overhaul equipment pipe way in pipe well, manhole needs to be set on road, and well lid is set on manhole, equipment in well is protected, and it is convenient to clean sundries and silt in pipe well.The installation mode of existing well lid, especially square well lid, is usually placed in frame groove directly by gravity, and part of lawless elements can easily make profit by stealing well lid, causing property loss, and causing danger to surrounding traffic safety;And existing well lid is usually set in middle part of road due to pipe laying, and abnormal noise is prone to occur during vehicle rolling, and even well lid is taken away from fixed frame after being rolled by large or heavy vehicle, causing well lid bouncing phenomenon, so that pipe well mouth is exposed, which also causes danger to surrounding traffic environment. SUMMARY
[0003] Therefore, the utility model aims at providing a theftproof and anti-bouncing well lid, so that well lid can be installed more reliably, and theft difficulty is improved.
[0004] To achieve the above-mentioned purpose, the technical scheme of the utility model is as follows:
[0005] A theftproof and anti-bouncing well lid, comprising
[0006] Well lid body, one side of which is provided with connecting part, and the other side is provided with locking part;
[0007] Frame, one side of which is provided with connecting seat, and the other side is provided with pressing buckle slot, and well lid body can be placed in frame;
[0008] Connecting part includes connecting lug extended outward from well lid body, and each connecting lug extends hinge shaft to side, respectively, connecting seat upper surface is provided with accommodating groove, and the groove wall of accommodating groove is respectively provided with hinge slot, and hinge shaft can be inserted into hinge slot;
[0009] The groove wall of pressing buckle slot is provided with pressing part, and locking part includes elastic rod, one end of which is connected with well lid body, and the other end extends pressing tongue outward, when well lid body is placed in frame, pressing part can be pressed above pressing tongue.
[0010] Further, unlocking slot is opened on one side of well lid body, and elastic rod is placed at the opening of unlocking slot, and when subjected to external force, one end of pressing tongue of elastic rod can move into unlocking slot.
[0011] Further, when the well lid body is placed in the frame, a gap is left between the end of the elastic rod close to the well lid body and the inner wall of the frame.
[0012] Further, the length direction of the unlocking slot is arranged along the width direction of the well lid, and the end of the elastic rod away from the tongue is fixed to one end of the unlocking slot.
[0013] Further, the middle part of the elastic rod is arranged aside the pressing part.
[0014] Further, the outer end of the hinged slot is provided with a closing gap, the width of the closing gap is smaller than the diameter of the hinged shaft, the hinged shaft is provided with a tangent surface along the chord direction of the hinged shaft, and the sum of the chord center distance of the tangent surface and the radius of the hinged shaft is smaller than the width of the closing gap.
[0015] Further, the tangent surface is parallel to the upper surface of the well lid.
[0016] Further, the connecting ear comprises a sunken part, when the well lid body is placed in the frame, the upper surface of the sunken part is placed below the lower surface of the well lid.
[0017] Further, the sunken part is connected with the well lid body through a transition surface, and an included angle is arranged between the transition surface and the upper surface of the well lid body.
[0018] Further, the connecting seat extends outwardly to a bearing part at the edge close to the opening end of the hinged slot, the bearing part is in the shape of a Chinese character 'fang', and the opening of the bearing part is directed to the upper surface direction of the well lid body.
[0019] Compared with the prior art, the anti-theft and anti-bouncing well lid has the following advantages:
[0020] The hinged slot and the hinged shaft are matched, and the pressing part and the tongue are matched, so that the well lid and the frame are prevented from being separated due to the well lid being lifted by the wheels when the well lid is pressed, the hinged shaft is arranged in the hinged slot, the difficulty of separating the well lid body and the frame is improved, and the difficulty of theft is improved.
[0021] The unlocking slot is arranged on the well lid, so that the tongue is separated from the pressing part, and the well lid can be opened by being folded upward when needed.
[0022] The length direction of the elastic rod is arranged along the width direction of the well lid, so that the elastic rod can be pulled by a tool, and a larger part of the elastic rod can be elastically deformed, the degree of local material deformation of the elastic rod is reduced, the degree of metal fatigue is reduced, and the service life of the elastic rod is prolonged.
[0023] The way of setting the closing part on the hinged notch cooperates with the section surface of the hinged shaft, further improves the difficulty of removing the well lid body after installation, thereby avoiding the theft of the well lid;
[0024] The way of setting the shaped bearing part on the connecting seat enables the asphalt, cement or soil of the pavement to enter the bearing part when the frame is installed on the pavement, improves the combination degree of the frame and the pavement, avoids the hinged shaft from being separated from the joint notch, thereby avoiding the theft of the well lid. BRIEF DESCRIPTION OF DRAWINGS
[0025] The accompanying drawings, which form a part of this description, are included to provide a further understanding of the application. The embodiments of the application and its
[0026] Figure 1 It is the whole structure schematic diagram of the well lid in the embodiment;
[0027] Figure 2 It is the exploded schematic diagram of the well lid body and the frame in the embodiment;
[0028] Figure 3 It is the structure schematic diagram of the connecting seat and the connecting ear in the embodiment;
[0029] Figure 4 It is the structure schematic diagram of the connecting seat and the connecting ear in the embodiment;
[0030] Figure 5 It is the sectional view of the pressing structure after the well lid is closed.
[0031] BRIEF DESCRIPTION OF DRAWINGS
[0032] 1-frame; 11-fixed edge; 12-overlapping edge; 13-connecting seat; 131-containing groove; 132-hinged notch; 133-closing part; 134-bearing part; 14-pressing notch; 141-pressing part; 2-well lid body; 21-connecting ear; 211-hinged shaft; 212-section surface; 213-sunken part; 214-transition surface; 22-locking part; 221-elastic rod; 222-pressing tongue; 223-unlocking groove. DETAILED DESCRIPTION
[0033] It should be noted that the embodiments in the application and the features in the embodiments can be combined with each other without conflict.
[0034] In the description of the utility model, it needs to understand that the orientation or positional relation indicated by the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or positional relation based on the drawings shown, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "a plurality of" is two or more, unless otherwise specified.
[0035] In the description of the utility model, it needs to be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, can also be detachable connection, or integrally connected, can be mechanical connection, can also be electrical connection, can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood through specific circumstances.
[0036] The utility model will be described in detail below with reference to the drawings and in combination with embodiments.
[0037] The anti-theft and anti-bullet manhole cover disclosed by the utility model comprises a frame 1 for fixing on the ground and a manhole cover body 2 capable of being placed in the frame 1, the frame 1 edge extends outwardly to form a fixed edge 11, and those skilled in the art should know that the fixed edge 11 can be fixed at the manhole by means of ground anchor, bolt, half-buried and the like, so as to fix the frame 1, and the specific fixing mode will not be described herein, the inner side of the frame 1 extends inwardly to form a lap joint edge 12, and after the manhole cover is closed, the manhole cover body 2 edge is placed on the lap joint edge 12.
[0038] The well lid body 2 and the frame 1 are hinged, in particular, the frame 1 extends outwardly on one side a connecting seat 13, the connecting seat 13 is provided with a containing groove 131, and the containing groove 131 is provided with an opening far away from the frame 1, the containing groove 131 is provided with a hinge slot 132 on the groove wall, and the opening of the hinge slot 132 is located at the opening end of the containing groove 131, the well lid body 2 extends outwardly on one side a connecting lug 21 corresponding to the connecting seat 13, the connecting lug 21 can extend into the containing groove 131, and the connecting lug 21 extends outwardly on both sides a hinge shaft 211, the hinge shaft 211 is inserted into the hinge slot 132, in the use process, when the well lid body 2 needs to be opened and closed, the well lid body 2 can be turned over according to the hinge shaft 211. In the embodiment, the outer end of the hinge slot 132 is provided with a closing 133, further, the opening end of the hinge slot 132 is provided with a closing 133, the width of the closing 133 is smaller than the overall width of the hinge slot 132, and the width of the closing 133 is smaller than the diameter of the hinge shaft 211; the hinge shaft 211 is provided with a tangent plane 212, the tangent plane 212 is arranged along the chord of the cross section of the hinge shaft 211, so that the sum of the chord distance of the tangent plane 212 part and the radius of the hinge shaft 211 is smaller than the width of the closing 133, so that the hinge shaft 211 can pass through the closing 133 into the hinge slot 132 at a specific angle, and when the hinge shaft 211 is rotated, it cannot be separated from the closing 133, so as to improve the difficulty of stealing the well lid after installation, and avoid the well lid being stolen. In the embodiment, the tangent plane 212 is parallel to the upper surface of the well lid body 2, in the installation process of the well lid body 2 and the frame 1, the well lid body 2 and the frame 1 can be kept at 180°, then the hinge shaft 211 is inserted into the hinge slot 132, the well lid body 2 is turned over, and the connection is completed, in the construction process, the opening of the hinge slot 132 is blocked by wrapping the frame 1 outside with asphalt, soil and the like, so as to further prevent the well lid from being separated.
[0039] In order to improve the combination strength of the frame 1 and the road surface, the connecting seat 13 extends outwardly on the edge close to the opening end of the hinge slot 132 a bearing part 134, the bearing part 134 is in the shape of a Chinese character, and the opening thereof is directed to the upper surface of the well lid body 2, so that the asphalt, soil and cement can enter the bearing part 134 to block the hinge slot 132.
[0040] The connecting lug 21 comprises a sunken portion 213, when the lid body 2 is placed in the frame 1, the upper surface of the sunken portion 213 is placed below the lower surface of the lid, and the sunken portion 213 is connected with the lid body 2 through a transition surface 214, an angle is provided between the transition surface 214 and the upper surface of the lid body 2, when the lid body 2 is turned to open, the transition surface 214 can be placed on the road surface, which can increase the contact area between the lid body 2 and the road surface, avoid the damage to the road surface caused by the excessive local pressure during the opening period of the lid, and avoid the separation between the hinge shaft 211 and the hinge groove 132 caused by the excessive opening amplitude, and avoid the theft of the lid.
[0041] The side edge of the lid body 2 opposite to the connecting lug 21 is provided with a locking portion 22, and the frame 1 is provided with a buckling groove 14 corresponding to the locking portion 22. The buckling groove 14 is a U-shaped groove formed by bending the edge of the frame 1 outward, the inner wall of the groove is protruded inward to form a pressing portion 141, and the pressing portion 141 is wedge-shaped, and the inclined surface thereof faces the outside of the buckling groove 14. The locking portion 22 comprises a resilient rod 221, one end of the resilient rod 221 is connected with the lid body 2, and the other end extends outward to form a pressing tongue 222, when the lid body 2 is placed in the frame 1, the pressing portion 141 can be tightly pressed above the pressing tongue 222. Further, during the closing process of the lid, the pressing tongue 222 can be in contact with the inclined surface of the pressing portion 141 to cause the deformation of the resilient rod 221, so that the lid body 2 can continue to turn to the limit position of the closed state, thereby causing the pressing portion 141 to be tightly pressed above the pressing tongue 222. In the embodiment, the lid body 2 is provided with an unlocking groove 223 on one side, the resilient rod 221 is arranged at the opening of the unlocking groove 223, and when an external force is applied, one end of the pressing tongue 222 of the resilient rod 221 can move into the unlocking groove 223, and after the external force disappears, the resilient rod 221 returns to the initial position, so that the pressing portion 141 tightly presses the pressing tongue 222. In the embodiment, the length direction of the unlocking groove 223 is arranged along the width direction of the lid, and the end of the resilient rod 221 away from the pressing tongue 222 is fixedly connected with one end of the unlocking groove 223 by welding, integral molding or the like, so that a larger part of the resilient rod 221 can be elastically deformed, thereby reducing the degree of local material deformation of the resilient rod 221, reducing the degree of metal fatigue, and prolonging the service life of the resilient rod 221. In order to facilitate the turning of the resilient rod 221 by a tool, the middle part of the resilient rod 221 is arranged aside the pressing portion 141, and when the lid body 2 is placed in the frame 1, a gap is left between the end of the lid body 2 close to the resilient rod 221 and the inner wall of the frame 1. A crowbar or a special key can be inserted into the gap to press the outside of the resilient rod 221, so that the pressing tongue 222 moves into the unlocking groove 223 to complete the unlocking of the lid body 2.
[0042] In the normal use after the well lid is completed, when the well lid is subjected to the rolling pressure, the groove walls on the upper side of the hinged slots 132 and the pressing part 141 can respectively exert downward pressure on the well lid on the opposite sides of the well lid body 2, so that the well lid is prevented from being lifted by the wheels and separated from the frame 1, and then the well lid is prevented from bouncing, and the safety of the surrounding traffic is improved.
[0043] The above merely describes the preferred embodiments of the present application and is not intended to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A theft-proof and anti-bounce manhole cover, characterized in that: include The manhole cover body has a connecting part on one side and a locking part on the other side; The frame has a connecting seat on one side and a snap-fit groove on the other side, and the manhole cover body can be placed inside the frame. The connecting part includes connecting ears extending outward from the manhole cover body, and each connecting ear extends a hinge shaft to the side. The upper surface of the connecting seat has a receiving groove facing downward, and the groove wall of the receiving groove has a hinge slot. The hinge shaft can be inserted into the hinge slot. The groove wall of the snap fastener is provided with a pressing part, and the locking part includes an elastic rod. One end of the elastic rod is connected to the manhole cover body, and the other end extends outward to form a pressing tongue. When the manhole cover body is placed inside the frame, the pressing part can press tightly against the pressing tongue.
2. The anti-theft and anti-bounce manhole cover according to claim 1, characterized in that: The manhole cover body has an unlocking groove on one side, and the elastic rod is placed at the opening of the unlocking groove. When subjected to external force, the pressure tongue end of the elastic rod can move into the unlocking groove.
3. The anti-theft and anti-bounce manhole cover according to claim 1, characterized in that: When the manhole cover body is placed inside the frame, there is a gap between the end of the manhole cover body near the elastic rod and the inner wall of the frame.
4. The anti-theft and anti-bounce manhole cover according to claim 2, characterized in that: The length of the unlocking groove is set along the width of the manhole cover, and the end of the elastic rod away from the pressure tongue is fixedly connected to one end of the unlocking groove.
5. The anti-theft and anti-bounce manhole cover according to claim 2, characterized in that: The middle part of the elastic rod is positioned to the side of the pressure part.
6. The anti-theft and anti-bounce manhole cover according to claim 1, characterized in that: The outer end of the hinge slot is provided with a constriction, the width of which is less than the diameter of the hinge shaft. The hinge shaft has a tangent along its own chord direction, and the sum of the distance between the center of the chord of the tangent and the radius of the hinge shaft is less than the width of the constriction.
7. The anti-theft and anti-bounce manhole cover according to claim 6, characterized in that: The cut surface is parallel to the upper surface of the manhole cover.
8. The anti-theft and anti-bounce manhole cover according to claim 1, characterized in that: The connecting lug includes a recessed portion, the upper surface of which is positioned below the lower surface of the manhole cover when the manhole cover body is placed inside the frame.
9. The anti-theft and anti-bounce manhole cover according to claim 8, characterized in that: The sunken part is connected to the manhole cover body through a transition surface, and there is an angle between the transition surface and the upper surface of the manhole cover body.
10. The anti-theft and anti-bounce manhole cover according to claim 1, characterized in that: The connecting seat extends outward from the edge of the opening end near the hinge slot to form a bearing portion, which is U-shaped and its opening faces the upper surface of the manhole cover body.