Anti-toppling cast iron well lid

Abstract

The utility model relates to the technical field of well lids, and discloses an anti-toppling cast iron well lid which comprises an annular well lid frame, a cast iron well lid body is arranged in the annular well lid frame, two protection grooves are symmetrically formed in the right side of the interior of the cast iron well lid body, and reciprocating lead screws are arranged in the two protection grooves. A limiting block is installed on the outer wall of the reciprocating lead screw, and the outer wall of the limiting block is slidably connected into the protection groove. When the well lid is opened and the well lid is in a vertical state, a worker can rotate the worm through the knob, the worm, the worm gear, the reciprocating lead screw and the limiting block are matched to drive the positioning insertion rod to move vertically, one end of the positioning insertion rod can be inserted into the positioning insertion opening downwards, and therefore the well lid is vertically limited; the stability of the well lid during opening is improved, the situation that the well lid topples over and is closed due to the influence of wind power or careless collision is avoided, and therefore the safety of well mouth construction workers is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of well lid, more particularly to a kind of cast iron well lid of anti-toppling. BACKGROUND

[0002] Cast iron well lid is a kind of cover plate for shielding and protecting the opening of urban infrastructure, commonly found in sewer, cable well, water supply pipeline and other places, to prevent personnel falling or object falling into, and ensure the normal passage of pedestrians and vehicles.Cast iron well lid is mainly divided into two types of nodular cast iron well lid and gray cast iron well lid.

[0003] At present, to prevent well lid loss, usually an integral cast iron well lid with hinge is used, when the well lid with hinge is opened, the well lid is basically in vertical state, is influenced by wind force or external personnel accidentally collides with well lid, so that well lid is easy to topple and close, thereby causing the situation that the personnel working at well opening are injured, and improvement is needed. UTILITY MODEL CONTENT

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a cast iron well lid of anti-toppling to solve the problems existing in the above background art.

[0005] The utility model provides the following technical scheme: a kind of cast iron well lid of anti-toppling, including annular well lid frame, the inside of annular well lid frame is equipped with cast iron well lid body, two protective grooves are symmetrically set in the right side of the inside of cast iron well lid body, the inside of two protective grooves is equipped with reciprocating screw rod, limiting block is installed on the outer wall of reciprocating screw rod, the outer wall of limiting block is slidably connected in the inside of protective groove, the right side of limiting block is fixedly connected with two positioning insertion rods, the right side of the top of annular well lid frame is equipped with the positioning insertion port compatible with the one end of positioning insertion rod, the top surface of cast iron well lid body is symmetrically equipped with two flow guide openings, filter frame is movably sleeved in the inside of flow guide opening, filter screen is fixedly connected in the inside of filter frame, connecting rod is movably sleeved on the both sides in the inside of filter frame, the bottom end of connecting rod is fixedly connected in the inner wall of flow guide opening.

[0006] Further, the left end in the inside of protective groove is equipped with worm and worm wheel, worm is located on the back of worm wheel, and worm and worm wheel are engaged, worm wheel is fixedly sleeved in the left end of the outer wall of reciprocating screw rod in the inside.

[0007] Further, the bottom end of worm is rotatably connected to the left end of the inner wall bottom of protective groove, and the top end of worm extends to the top surface of cast iron well lid body and is fixedly connected with knob.

[0008] Further, the right end of the protection groove is fixedly connected with a stopper, the left end of the reciprocating wire rod is rotationally connected to the left end of the inner wall of the protection groove, the right end of the reciprocating wire rod is rotationally connected to the inside of the stopper, and the outer wall of one end of the positioning inserting rod is movably sleeved in the inside of the stopper.

[0009] Further, the two sides of the top of the filter frame are overlapped with nuts, the inside of the nut is threadedly sleeved at the top end of the connecting rod, and the top of the filter frame is fixedly connected with a handle.

[0010] Further, the middle of the left side of the top surface of the ring-shaped manhole cover frame is provided with an opening groove, the middle of the right side of the top surface of the ring-shaped manhole cover frame is provided with a mounting groove, the inside of the mounting groove is fixedly connected with a connecting shaft, the middle of the right side of the cast iron manhole cover body is fixedly connected with a connecting block, the outer wall of the connecting block is arranged in the inside of the mounting groove, and the inside of the connecting block is rotationally sleeved on the outer wall of the connecting shaft.

[0011] The technical effects and advantages of the utility model are as follows:

[0012] 1. When the manhole cover is opened and is in a vertical state, the cooperation of the protection groove, the knob, the worm, the worm wheel, the reciprocating wire rod, the limiting block, the positioning inserting rod, the stopper and the positioning spout is adopted, the staff can rotate the worm through the knob, the positioning inserting rod is vertically moved by the cooperation of the worm, the worm wheel, the reciprocating wire rod and the limiting block, one end of the positioning inserting rod is inserted into the inside of the positioning spout, the manhole cover is vertically limited, the stability when the manhole cover is opened is increased, the situation that the manhole cover is closed due to the influence of wind force or accidental collision is avoided, and the safety of the manhole opening construction worker is improved.

[0013] 2. The cooperation of the flow guide opening, the filter frame, the filter screen, the handle, the connecting rod and the nut is adopted, the external accumulated water is conveniently guided, the filter screen is used for filtering sundries in the water body, the filter frame and the filter screen are conveniently disassembled, the filter frame and the filter screen are conveniently replaced or the sundries on the filter screen are conveniently cleaned. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a whole structure schematic view of the utility model.

[0015] Figure 2 It is a cast iron manhole cover body structure sectional view schematic view of the utility model.

[0016] Figure 3 It is an enlarged schematic view of the structure at A of the utility model.

[0017] Figure 4 It is another angle structure sectional view schematic view of the ring-shaped manhole cover frame of the utility model.

[0018] Figure 5 Another perspective structure section view schematic diagram of the cast iron well lid body of the utility model.

[0019] Figure 6 The enlarged schematic diagram of the structure at B of the utility model.

[0020] Figure 7 The enlarged schematic diagram of the structure at C of the utility model.

[0021] Figure 8 The filter frame, filter screen and handle structure schematic diagram of the utility model.

[0022] The figure mark is: 1, annular well lid frame;2, cast iron well lid body;3, protection groove;31, knob;32, worm;33, worm wheel;34, reciprocating screw;35, limit block;36, positioning plug;37, stop block;38, positioning socket;4, flow guide port;41, filter frame;42, filter screen;43, handle;44, connecting rod;45, nut;5, installation groove;6, connecting shaft;7, connecting block;8, cover opening groove. DETAILED DESCRIPTION

[0023] The technical scheme in the utility model will be described clearly and completely in combination with the drawings in the utility model, and additionally, the form of each structure recorded in the following implementation is only an example, and the cast iron well lid against toppling of the utility model is not limited to each structure recorded in the following implementation, and all other implementation obtained by the ordinary skilled in the art without making creative labor belongs to the range of protection of the utility model.

[0024] Example one:

[0025] As Figures 1-8As shown, a kind of anti-toppling cast iron manhole cover, including annular manhole cover frame 1, the inside of annular manhole cover frame 1 is equipped with cast iron manhole cover body 2, the middle of the left side of the top surface of annular manhole cover frame 1 is equipped with cover recess 8, the middle of the right side of the top surface of annular manhole cover frame 1 is equipped with installation slot 5, the inside of installation slot 5 is fixedly connected with connecting shaft 6, the middle of the right side of cast iron manhole cover body 2 is fixedly connected with connecting block 7, the outer wall of connecting block 7 is arranged in the inside of installation slot 5, the inside of connecting block 7 is rotatably sleeved on the outer wall of connecting shaft 6, the right side in the inside of cast iron manhole cover body 2 is symmetrically equipped with two protective grooves 3, the inside of the two protective grooves 3 is equipped with reciprocating screw rod 34, the outer wall of reciprocating screw rod 34 is equipped with limit block 35, the inner wall of limit block 35 is matched with the screw thread on reciprocating screw rod 34, and reciprocating movement can be realized, the outer wall of limit block 35 is slidably connected in the inside of protective groove 3, the right side of limit block 35 is fixedly connected with two positioning insertion rods 36, the right side of the top of annular manhole cover frame 1 is equipped with positioning spout 38 matched with one end of positioning insertion rod 36, the left end in the inside of protective groove 3 is equipped with worm 32 and worm wheel 33, worm 32 is located on the back of worm wheel 33, and the meshing between worm 32 and worm wheel 33 is engaged, the inside of worm wheel 33 is fixedly sleeved on the left end of the outer wall of reciprocating screw rod 34, the bottom end of worm 32 is rotatably connected to the left end of the bottom of the inner wall of protective groove 3, the top end of worm 32 extends to the top surface of cast iron manhole cover body 2 and is fixedly connected with knob 31, the right end in the inside of protective groove 3 is fixedly connected with stop block 37, the left end of reciprocating screw rod 34 is rotatably connected to the left end of the inner wall of protective groove 3, the right end of reciprocating screw rod 34 is rotatably connected to the inside of stop block 37, and the outer wall of one end of positioning insertion rod 36 is movably sleeved in the inside of stop block 37.

[0026] In the embodiment, the left side of cast iron manhole cover body 2 and annular manhole cover frame 1 are connected together by the cooperation of connecting shaft 6 and connecting block 7, when cast iron manhole cover body 2 is opened and one end of positioning insertion rod 36 is located above positioning spout 38, rotating knob 31 and worm 32 can drive worm wheel 33 and reciprocating screw rod 34 to rotate, the rotation of reciprocating screw rod 34 can drive limit block 35 and positioning insertion rod 36 to move, so that one end of positioning insertion rod 36 is inserted into the inside of positioning spout 38, thereby limiting cast iron manhole cover body 2, and increasing the stability when cast iron manhole cover body 2 is opened.

[0027] Embodiment two:

[0028] As Figures 1-8As shown, the top surface of the cast iron manhole cover body 2 is symmetrically provided with two flow guide openings 4, the inside of the flow guide opening 4 movably sleeved with a filter frame 41, the inside of the filter frame 41 fixedly connected with a filter screen 42, the two sides of the inside of the filter frame 41 movably sleeved with a connecting rod 44, the bottom end of the connecting rod 44 fixedly connected to the inner wall of the flow guide opening 4, the two sides of the top of the filter frame 41 overlapped with a nut 45, the inside of the nut 45 threadedly sleeved at the top end of the connecting rod 44, and the top of the filter frame 41 fixedly connected with a handle 43.

[0029] In the embodiment, the setting of the flow guide opening 4 facilitates the flow guiding of the external accumulated water, and the filter frame 41 and the filter screen 42 are used to filter the impurities in the water body. The filter frame 41 and the filter screen 42 are taken out from the inside of the flow guide opening 4 by screwing off the nut 45 and moving the filter frame 41 upward by the handle 43, so that the filter frame 41 and the filter screen 42 are conveniently replaced or the impurities on the filter screen 42 are conveniently cleaned. When installing, the filter frame 41 is moved to the inside of the flow guide opening 4, and the two sides of the inside of the filter frame 41 are sleeved on the outer wall of the connecting rod 44. At this time, the nut 45 is screw-connected at the top end of the connecting rod 44, and the bottom of the nut 45 is pressed on the top of the filter frame 41, so that the filter frame 41 is fixedly installed in the inside of the flow guide opening 4.

[0030] In summary, as shown in the drawings, Figures 1-8 As shown, the cast iron manhole cover body 2 is used, the left side of the cast iron manhole cover body 2 is moved by the construction personnel, the right side of the cast iron manhole cover body 2 drives the connecting block 7 to rotate on the outer wall of the connecting shaft 6, so that the cast iron manhole cover body 2 is in a vertical state, and at the same time, one end of the positioning insertion rod 36 is located directly above the positioning insertion port 38. At this time, the construction personnel rotate the knob 31 to drive the worm 32, the worm 32 drives the worm wheel 33 and the reciprocating screw rod 34 to rotate, the reciprocating screw rod 34 drives the limiting block 35 to slide in the protection groove 3 while rotating, and the limiting block 35 drives the positioning insertion rod 36 to move downward, so that one end of the positioning insertion rod 36 is inserted into the inside of the positioning insertion port 38, thereby limiting the cast iron manhole cover body 2 vertically, and increasing the stability of the cast iron manhole cover body 2 when being opened.

[0031] Finally, it should be pointed out that: first, in the description of the present application, it should be pointed out that unless otherwise specified and limited, the terms "installation", "connection", "connection" should be understood broadly, which can be mechanical connection or electrical connection, or the communication between the two elements, or direct connection, "up", "down", "left", "right" and the like are only used to represent the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may change;

[0032] Secondly: the utility model discloses the embodiment in the drawing, only relate to the structure with the embodiment of the present disclosure, other structures can refer to the usual design, under the condition of not conflict, the same embodiment and different embodiments of the utility model can be combined with each other.

[0033] Finally: the above only for the preferred embodiment of the utility model has, and does not for limiting the utility model, any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model, should be contained in the protection scope of the utility model.

Claims

1. An anti-dumping cast iron manhole cover, comprising an annular manhole cover frame (1), characterized in that: A cast iron manhole cover body (2) is provided inside the annular manhole cover frame (1), two protective grooves (3) are symmetrically provided on the right side of the inside of the cast iron manhole cover body (2), a reciprocating screw rod (34) is provided inside the two protective grooves (3), a limiting block (35) is installed on the outer wall of the reciprocating screw rod (34), the outer wall of the limiting block (35) is slidably connected to the inside of the protective groove (3), and two positioning rods (36) are fixedly connected to the right side of the limiting block (35). A positioning socket (38) adapted to one end of a positioning rod (36) is provided on the right side of the top of the manhole cover frame (1); two diversion ports (4) are symmetrically provided on the top surface of the cast iron manhole cover body (2); a filter frame (41) is movably sleeved inside the diversion port (4); a filter screen (42) is fixedly connected inside the filter frame (41); connecting rods (44) are movably sleeved on both sides of the inside of the filter frame (41); the bottom end of the connecting rod (44) is fixedly connected to the inner wall of the diversion port (4).

2. The anti-dumping cast iron manhole cover according to claim 1, characterized in that: A worm (32) and a worm wheel (33) are provided at the left end inside the protection groove (3), the worm (32) is located on the back of the worm wheel (33), the worm (32) and the worm wheel (33) are meshed, and the inside of the worm wheel (33) is fixedly sleeved on the left end of the outer wall of the reciprocating screw (34).

3. The anti-dumping cast iron manhole cover according to claim 2, characterized in that: The bottom end of the worm (32) is rotatably connected to the left end of the bottom of the inner wall of the protective groove (3), and the top end of the worm (32) extends to the top surface of the cast iron manhole cover body (2) and is fixedly connected to the knob (31).

4. The anti-dumping cast iron manhole cover according to claim 1, characterized in that: The right end of the interior of the protective groove (3) is fixedly connected to a stopper (37), the left end of the reciprocating screw rod (34) is rotatably connected to the left end of the inner wall of the protective groove (3), the right end of the reciprocating screw rod (34) is rotatably connected to the interior of the stopper (37), and the outer wall of one end of the positioning rod (36) is movably sleeved inside the stopper (37).

5. The anti-dumping cast iron manhole cover according to claim 1, characterized in that: Nuts (45) are overlapped on both sides of the top of the filter frame (41), and the internal threads of the nuts (45) are sleeved on the top of the connecting rod (44). The top of the filter frame (41) is fixedly connected with a handle (43).

6. The anti-dumping cast iron manhole cover according to claim 1, characterized in that: A cover opening groove (8) is provided in the middle of the left side of the top surface of the annular manhole cover frame (1), a mounting groove (5) is provided in the middle of the right side of the top surface of the annular manhole cover frame (1), a connecting shaft (6) is fixedly connected inside the mounting groove (5), a connecting block (7) is fixedly connected in the middle of the right side of the cast iron manhole cover body (2), an outer wall of the connecting block (7) is arranged inside the mounting groove (5), and the inside of the connecting block (7) is rotatably sleeved on the outer wall of the connecting shaft (6).

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