Municipal novel opening fixed well lid
By designing an automatically opening municipal manhole cover, utilizing a pneumatic lifting rod and locking components, the problems of traditional manhole covers being heavy, requiring a crowbar to open, and being easily stolen have been solved, thus improving both safety and economy.
Patent Information
- Application Number
- CN202423091024.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-16
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2034-12-16
AI Technical Summary
Traditional manhole covers are heavy, require a crowbar to open, are easily stolen, and pose safety hazards.
A new type of municipal openable fixed manhole cover is designed, which adopts a base, movable seat, cover body and lifting assembly. It is automatically opened by using a pneumatic lifting rod, combined with a locking assembly and water passage hole to avoid external force opening and water inrush safety accidents.
It reduced the workload of staff, prevented theft of manhole covers, and improved safety and economy.
Smart Images

Figure CN223706549U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to municipal engineering technical field, concretely relates to a municipal novel opening fixed well lid. BACKGROUND
[0002] The municipal well lid is an indispensable part of the city infrastructure, is widely distributed in the city road, sidewalk, park, square etc., is used to cover the entrance of various underground facilities, such as water supply, drainage, power, communication, gas pipeline inspection well or access hole, not only bears the heavy responsibility of protecting underground facilities and road surface safety, also is the embodiment of city appearance and management level.
[0003] The traditional well lid is made of cast iron material, and the weight is relatively large, needs to use crowbar and other auxiliary tools to open when opening, increases the labor intensity of staff, and is easy to be stolen, and the economy is not good, and when using on the drainage well mouth, the well lid can be opened due to the well chamber gushing, and security risks appear.
[0004] Therefore, aiming at the above problems, a municipal novel opening fixed well lid is provided to solve the above problems. UTILITY MODEL CONTENTS
[0005] The utility model is developed in view of the deficiency of prior art, and a municipal novel opening fixed well lid is developed, the utility model can open the well lid without crowbar and other auxiliary tools, reduces the labor intensity of staff, simultaneously avoids the problems of theft and external force opening, improves the economy and safety.
[0006] The utility model discloses a municipal novel opening fixed well lid that can be opened without crowbar and other auxiliary tools, reduces the labor intensity of staff, simultaneously avoids the problems of theft and external force opening, improves the economy and safety.
[0007] A municipal novel opening fixed well lid, including base, base is set up on the ground at the well mouth, the movable seat is set up on the base, the movable seat can slide along the axial direction of the base, the cover body is set up on the movable seat, the cover body is connected with the movable seat through the lifting assembly, and the lifting assembly is used for pushing the cover body;Locking assembly is set up on the cover body and is used for temporarily fixing the relative position of the cover body and the movable seat;The grate is detachably arranged in the middle part of the base and is located below the movable seat.
[0008] As preferred, a plurality of sliding grooves are circumferentially formed on the inner side wall of the base, the length direction of the sliding groove is parallel to the axis of the base, and a stop ring for supporting the movable seat is circumferentially arranged on the inner side of the base below the sliding groove.
[0009] As preferred, a plurality of water holes are circumferentially formed on the movable seat.
[0010] As preferred, a pivot is arranged on the movable seat, the axis of the pivot is perpendicular to the axis of the movable seat, and the cover body is rotatably arranged on the movable seat through the pivot.
[0011] Preferably, the lifting assembly comprises a lifting seat and a pneumatic lifting rod, the lifting seat is arranged inside the movable seat, the pneumatic lifting rod is arranged on the lifting seat, and one end of the pneumatic lifting rod away from the lifting seat is arranged on the cover body.
[0012] Preferably, a guide groove is arranged inside the movable seat above the lifting seat, a baffle is arranged at the bottom of the cover body, a gap is left between the guide groove and the baffle, and the pneumatic lifting rod is arranged in the gap between the guide groove and the baffle.
[0013] Preferably, the locking assembly comprises a rotating lock buckle and a fixed lock hole, the rotating lock buckle is movably arranged on the cover body, the fixed lock hole is arranged on the movable seat at a position corresponding to the rotating lock buckle, one end of the rotating lock buckle is provided with a lock plate arranged to be inserted into the fixed lock hole, and the other end of the rotating lock buckle is provided with a rotating handle arranged to drive the lock plate to rotate; the rotating handle is arranged on the upper side of the cover body, and the lock plate is arranged on the lower side of the cover body; a resilient member is further arranged on the rotating lock buckle and connected with the cover body.
[0014] Preferably, a plurality of through holes are arranged on the grate plate, a handle is arranged in the middle of the grate plate, and an insertion plate is arranged on the side edge of the grate plate in a circumferential direction; an insertion slot is arranged in the inside of the base at a position corresponding to the insertion plate, and a limiting slot is arranged on the base in a circumferential direction at the bottom of the insertion slot, and the insertion plate is connected to the limiting slot in a sliding manner.
[0015] The effects provided in the content of the utility model are only the effects of the embodiments, and not all the effects of the utility model; the above technical solutions have the following advantages:
[0016] The lifting assembly is arranged, so that the staff does not need to use a crowbar or other auxiliary tools to open the well cover when the well cover is opened, the cover body can be automatically opened through the pneumatic lifting rod, and the labor intensity of the staff is reduced; the movable seat is arranged, and the water through hole is arranged on the movable seat; when water gushing occurs in the well chamber, the water can be guided out without causing the cover body to be displaced to expose the well mouth, safety accidents such as falling are avoided, and the safety and practicability of the well cover are improved. DRAWINGS
[0017] The drawings are used to provide a further understanding of the utility model, and constitute a part of the specification, are used together with the embodiments of the utility model to explain the utility model, and do not constitute a limitation on the utility model.
[0018] Figure 1 The well cover opening state structure of the embodiment of the utility model is shown in Fig. 1. Figure 1 ;
[0019] Figure 2 The well cover opening state structure of the embodiment of the utility model is shown in Fig. 1. Figure 2 ;
[0020] Figure 3 The well cover opening state structure of the embodiment of the utility model is shown in Fig. 1.Figure 2 Enlarged view at A;
[0021] Figure 4 The closing state structure schematic view of the well lid of the utility model embodiment;
[0022] Figure 5 The structure schematic view of the base of the utility model embodiment;
[0023] Figure 6 The structure schematic view of the movable seat of the utility model embodiment;
[0024] Figure 7 The structure schematic view of the grate plate of the utility model embodiment.
[0025] In the figure, 1, base; 2, movable seat; 3, cover body; 4, lifting assembly; 5, locking assembly; 6, grate plate; 11, sliding groove; 12, blocking ring; 13, insertion slot; 14, limiting slot; 21, fixed block; 22, water through hole; 23, rotating shaft; 24, flow guide groove; 31, baffle; 41, lifting seat; 42, air pressure lifting rod; 51, rotating lock; 52, fixed lock hole; 53, elastic member; 511, lock plate; 512, rotating handle; 61, through hole; 62, handle; 63, insertion plate. DETAILED DESCRIPTION
[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0027] As Figures 1-7 shown, the utility model provides a technical scheme:
[0028] A new municipal opening fixed well lid, including base 1, base 1 with shaft is set on the ground at well mouth, base 1 is movably arranged movable seat 2, the outer diameter of movable seat 2 is same with the inner diameter of base 1, movable seat 2 can slide along the axial direction of base 1, cover body 3 is arranged on movable seat 2, cover body 3 is connected with movable seat 2 through lifting assembly 4, lifting assembly 4 is used to push cover body 3 upwards to open well lid, locking assembly 5 is arranged on cover body 3 and can be connected with movable seat 2, is used for temporarily fixing the relative position of cover body 3 and movable seat 2 after well lid closure, avoids that cover body 3 opens due to external force, grate plate 6 is detachably arranged in the middle part of base 1 and is located below movable seat 2, is used for leaking water and blocking garbage.
[0029] In the embodiment, a plurality of sliding grooves 11 are evenly arranged on the inner side wall of the base 1 in the circumferential direction, preferably, the sliding grooves 11 are non-through grooves, the length direction of the sliding grooves 11 is parallel to the axis direction of the base 1, for guiding, a blocking ring 12 for supporting the movable seat 2 is arranged on the inner side of the base 1 in the circumferential direction below the sliding grooves 11, to avoid that the bottom of the movable seat 2 is not supported, and to make the stability of the well lid better when the well lid is subjected to pressure from above.
[0030] In the embodiment, a fixed block 21 is arranged on the outer side of the movable seat 2 corresponding to the position of the sliding groove 11, and the fixed block 21 is slidingly arranged in the sliding groove 11; a plurality of water passing holes 22 are arranged on the movable seat 2 in the circumferential direction, the water passing holes 22 are long strip-shaped through holes, for guiding the water overflowing in the well chamber back to the ground, to avoid that the water pressure in the well chamber is too large to cause a safety accident at the well bottom, and at the same time, due to the limiting of the sliding groove 11 to the fixed block 21, the movable seat 2 is prevented from being separated from the base 1, and the safety of the use of the well lid is improved.
[0031] In the embodiment, a rotating shaft 23 is arranged on one side edge of the movable seat 2, the axis direction of the rotating shaft 23 is perpendicular to the axis direction of the movable seat 2, and the cover body 3 is rotatably arranged on the movable seat 2 through the rotating shaft 23, to improve the integrity of the device, avoid safety accidents caused by theft, and improve the safety and economy.
[0032] In another embodiment, rubber pads are arranged between the movable seat 2 and the base 1 and between the movable seat 2 and the cover plate, for sound insulation and shock absorption, to prolong the service life of the device.
[0033] In the embodiment, the lifting assembly 4 includes a lifting seat 41 and a pneumatic lifting rod 42, the lifting seat 41 is arranged on the inner side of the movable seat 2, the pneumatic lifting rod 42 is rotatably arranged on the lifting seat 41, and the end of the pneumatic lifting rod 42 away from the lifting seat 41 is rotatably arranged on the cover body 3, so that the angle change of the pneumatic lifting rod 42 is not affected when the pneumatic lifting rod 42 is stretched or retracted, the cover body 3 is better pushed up, and the pneumatic lifting rod 42 can be selected from common ones on the market; in another embodiment, two groups of the pneumatic lifting rod 42 and the lifting seat 41 are arranged, symmetrically arranged between the movable seat 2 and the cover body 3, for supporting the cover body 3 on both sides, better stability, and the distance between the two lifting seats 41 is less than the diameter of the inner side of the movable seat 2, and is located on the side close to the rotating shaft 23, to avoid hindering the disassembly of the grate plate 6, better practicality.
[0034] In the embodiment, the guide groove 24 is arranged on the inner side of the movable seat 2 above the lifting seat 41, the baffle 31 is arranged on the bottom of the cover 3, the middle part of the cover 3 surrounded by the baffle 31 is provided with the rain leakage hole, which is used for guiding rainwater into the well, and the gap is left between the guide groove 24 and the baffle 31, and the air pressure lifting rod 42 is arranged in the gap between the guide groove 24 and the baffle 31. The guide groove 24 is used for guiding the water flowing from the gap between the movable seat 2 above the lifting seat 41 and the cover 3 to a position far away from the lifting seat 41, so as to avoid the damage of the air pressure lifting rod 42 caused by the rainwater flowing from the gap and splashing on the air pressure lifting rod 42. The baffle 31 has the similar effect as the guide groove 24, which is used for avoiding the water splashing on the air pressure lifting rod 42 from the rain leakage hole, thereby improving the service life and economy of the device.
[0035] In the embodiment, the locking assembly 5 comprises the rotating lock 51 and the fixed lock hole 52. The rotating lock 51 is arranged on the cover 3 in a sliding and rotating mode, the fixed lock hole 52 is arranged on the movable seat 2 at a position corresponding to the rotating lock 51, one end of the rotating lock 51 is provided with the lock plate 511, which is used for being inserted into the fixed lock hole 52, the other end of the rotating lock 51 is provided with the rotating handle 512, which is used for driving the lock plate 511 to rotate, and the lock plate 511 can be clamped with the bottom of the fixed lock hole 52 after the lock plate 511 rotates, thereby avoiding the cover 3 from being opened. The rotating handle 512 is arranged on the upper side of the cover 3, and the lock plate 511 is arranged on the lower side of the cover 3. The elastic member 53 is further arranged on the rotating lock 51, the elastic member 53 is connected with the cover 3, the elastic member 53 is selected from a spring, the elastic member 53 can be arranged between the cover 3 and the lock plate 511 to form a tension spring, or the elastic member 53 can be arranged between the cover 3 and the rotating handle 512 to form a pressure spring. The purpose is to make the rotating lock 51 have a tendency to move away from the fixed lock hole 52, so that the clamping between the lock plate 511 and the fixed lock hole 52 is more compact, and the stability and safety are good.
[0036] In the embodiment, the grate 6 is provided with a plurality of through holes 61, which are used for leaking water and blocking sundries from falling into the well. The handle 62 is arranged on the middle part of the grate 6, so as to facilitate the taking and dismounting. The insertion plate 63 is arranged on the side edge of the grate 6 in a circumferential mode. The insertion slot 13 is arranged on the inner side of the base 1 at a position corresponding to the insertion plate 63. The limiting slot 14 is arranged on the base 1 in a circumferential mode at the bottom of the insertion slot 13, which is used for slidingly connecting the insertion plate 63. The insertion plate 63 can be inserted into the insertion slot 13 and falls into the limiting slot 14, thereby avoiding the up and down displacement of the grate 6 and improving the stability.
[0037] Working principle: first, the base 1 is arranged in the pouring position of the well mouth, and the axis of the base 1 coincides with the axis of the well mouth, then the concrete is poured outside the base 1 to fix the position of the base 1, then the movable seat 2 and the cover 3 are arranged on the base 1, and the upper surface of the cover 3 is located in the same plane as the ground, when it is necessary to open the manhole cover for inspection, the knob 512 of the rotating lock buckle 51 is rotated, the lock plate 511 is disconnected from the fixed lock hole 52, under the action of the air pressure lifting rod 42, the cover 3 can be rotated and opened, without the need for workers to force to open, reducing the labor intensity, by rotating the grate plate 6, the plug plate 63 of the grate plate 6 is aligned with the plug groove 13 of the base 1, and the cover plate can be lifted up and taken out, when the water pressure in the well chamber is too large and water gushes outwards, the water flow lifts up the movable seat 2 and the cover 3, at this time, the water hole 22 is connected with the outside and the inside of the well chamber, for guiding water out, avoiding accidents caused by excessive water pressure in the well chamber, and avoiding safety hazards caused by displacement of the manhole cover.
[0038] The not fully described parts of the utility model are conventional technical means known by those skilled in the art.
[0039] In the description of the utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.
[0040] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features, so that the features limited by "first" and "second" can explicitly or implicitly include one or more of the features, and in the description of the utility model, the meaning of "multiple" is two or more, unless otherwise explicitly and specifically limited.
[0041] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
[0042] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application have been described in detail, for the skilled in the art, it still can be modified, or for the equivalent replacement of part of the technical features of the technical solutions recorded in the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, shall be included within the scope of the present application.
Claims
1. A new type of municipal opening and fixing manhole cover, comprising a base (1) arranged on the ground at the well mouth, characterized in that, a movable seat (2) is arranged on the base (1) and can slide along the axis direction of the base (1), a cover body (3) is arranged on the movable seat (2), the cover body (3) and the movable seat (2) are connected through a lifting assembly (4), and the lifting assembly (4) is used for pushing the cover body (3); a locking assembly (5) is arranged on the cover body (3) and is used for temporarily fixing the relative position of the cover body (3) and the movable seat (2); a grate plate (6) is detachably arranged in the middle of the base (1) and below the movable seat (2).
2. The new type of municipal opening and fixing manhole cover according to claim 1, characterized in that: A plurality of sliding grooves (11) are arranged on the base (1) in the circumferential direction, the length direction of the sliding grooves (11) is parallel to the axis of the base (1), and a retaining ring (12) for supporting the movable seat (2) is arranged on the inner side of the base (1) below the sliding grooves (11) in the circumferential direction.
3. The new type of municipal opening and fixing manhole cover according to claim 2, characterized in that: A fixed block (21) is arranged on the outer side of the movable seat (2) corresponding to the position of the sliding groove (11), the fixed block (21) is slidably arranged in the sliding groove (11), and a plurality of water through holes (22) are arranged on the movable seat (2) in the circumferential direction.
4. The new type of municipal opening and fixing manhole cover according to claim 3, characterized in that: A rotating shaft (23) is arranged on the movable seat (2), the axis of the rotating shaft (23) is perpendicular to the axis of the movable seat (2), and the cover body (3) is rotatably arranged on the movable seat (2) through the rotating shaft (23).
5. The new type of municipal opening and fixing manhole cover according to claim 4, characterized in that: The lifting assembly (4) comprises a lifting seat (41) and a gas pressure lifting rod (42), the lifting seat (41) is arranged on the inner side of the movable seat (2), the gas pressure lifting rod (42) is arranged on the lifting seat (41), and one end of the gas pressure lifting rod (42) away from the lifting seat (41) is arranged on the cover body (3).
6. The new type of municipal opening and fixing manhole cover according to claim 5, characterized in that: A flow guide groove (24) is arranged on the inner side of the movable seat (2) above the lifting seat (41), a baffle (31) is arranged on the bottom of the cover body (3), a gap is left between the flow guide groove (24) and the baffle (31), and the gas pressure lifting rod (42) is located in the gap between the flow guide groove (24) and the baffle (31).
7. The new type of municipal opening and fixing manhole cover according to claim 6, characterized in that: The locking assembly (5) comprises a rotating lock (51) and a fixed lock hole (52), the rotating lock (51) is movably arranged on the cover body (3), the fixed lock hole (52) is arranged on the movable seat (2) corresponding to the position of the rotating lock (51), one end of the rotating lock (51) is provided with a lock plate (511) for being inserted into the fixed lock hole (52), the other end of the rotating lock (51) is provided with a rotating handle (512) for driving the lock plate (511) to rotate, the rotating handle (512) is located on the upper side of the cover body (3), the lock plate (511) is located on the lower side of the cover body (3), and an elastic member (53) is further sleeved on the rotating lock (51), and the elastic member (53) is connected with the cover body (3).
8. The new type of municipal opening and fixing manhole cover according to claim 7, characterized in that: A plurality of through holes (61) are arranged on the grate plate (6), a handle (62) is arranged in the middle of the grate plate (6), a plug plate (63) is arranged on the side edge of the grate plate (6) in the circumferential direction, an insertion groove (13) is arranged on the inner side of the base (1) corresponding to the position of the plug plate (63), and a limiting groove (14) is arranged on the base (1) in the circumferential direction at the bottom of the insertion groove (13) and is used for slidably connecting the plug plate (63).