CN216041353U - Double-layer spring-assisted anti-seismic nodular cast iron well lid - Google Patents

Abstract

The utility model discloses a double-layer spring-assisted anti-seismic nodular cast iron well lid which comprises a well lid mounting groove, wherein a well lid body is mounted inside the well lid mounting groove, the well lid body is composed of an upper lid body, a lower lid body and a supporting lid body, the upper side and the lower side of the supporting lid body are respectively provided with the upper lid body and the lower lid body in a pressing mode, and an inner damping device is arranged inside the well lid body; the inner damping device comprises an upper damping spring, a lower damping spring, a sealing ring and a connecting membrane pad. The anti-seismic nodular cast iron well lid with the assistance of the double-layer springs has the advantages that the whole well lid body is high in damping performance, damage of vibration to the well lid is reduced, the using quality of the well lid is improved, the upper lid body, the lower lid body and the supporting lid body are sealed through the connecting film pads, the inner portion of the well lid is sealed, the inner springs are prevented from being wetted and corroded, the service life of the springs is prolonged, the elasticity of the springs is ensured, the damping efficiency of the well lid is kept for a long time, the well lid body is convenient to install, the outer side of the well lid body is coated, and the service life of the well lid body is prolonged.

Description

Double-layer spring-assisted anti-seismic nodular cast iron well lid

Technical Field

The utility model relates to the technical field of nodular cast iron well lids, in particular to a double-layer spring-assisted anti-seismic nodular cast iron well lid.

Background

The nodular cast iron is spheroidized and inoculated to obtain spheroidal graphite, which effectively improves the mechanical properties of the cast iron, especially the plasticity and toughness, thereby obtaining the strength higher than that of carbon steel.

1. The existing nodular graphite well cover is hard in strength, but poor in elasticity and poor in compression-resistant and shock-absorbing effects, and the nodular graphite well cover is easily damaged under the action of pressure, so that the service life of the nodular graphite well cover is influenced;

2. secondly, current nodular well lid installation difficulty does not have the structure to its surface protection, leads to the easy wearing and tearing of nodular well lid, influences its quality.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a double-layer spring-assisted anti-seismic nodular cast iron well lid, the whole well lid body has high damping performance, the damage of vibration to the well lid is reduced, the use quality of the well lid is improved, the upper lid body, the lower lid body and the supporting lid body are sealed by connecting film gaskets, the inner part is sealed, the inner spring is prevented from being damped and corroded, the service life of the spring is prolonged, the elasticity of the spring is ensured, the damping efficiency of the spring is kept for a long time, the installation is convenient, the outer side of the well lid body is coated, the service life of the well lid is prolonged, and the problems in the prior art are solved.

In order to achieve the purpose, the utility model provides the following technical scheme: the anti-seismic nodular cast iron well lid with the assistance of the double-layer springs comprises a well lid mounting groove, wherein a well lid body is mounted inside the well lid mounting groove, the well lid body consists of an upper lid body, a lower lid body and a supporting lid body, the upper part and the lower part of the supporting lid body are respectively provided with the upper lid body and the lower lid body in a pressing mode, and an inner damping device is arranged inside the well lid body;

interior damping device includes damping spring, lower damping spring, sealing ring and connection membrane pad, goes up damping spring and fixes in the top of supporting the lid, and lower damping spring fixes in the below of supporting the lid, and the sealing ring is fixed on the well lid body, goes up lid, lower lid and supports and connect by connecting the membrane pad between the lid, the outside cladding of well lid body is provided with protector, and the well lid body passes through protector and installs the inside at the well lid mounting groove.

Preferably, two sets of corresponding lower water holes are formed in the upper cover body, the lower cover body and the supporting cover body, a sealing ring is sleeved in each lower water hole, and the lower water holes between the upper cover body, the lower cover body and the supporting cover body are sealed through a connecting film gasket.

Preferably, the upper cover body, the lower cover body and the outer side wall of the supporting cover body are connected through a connecting membrane pad.

Preferably, last damping spring and damping spring down all set up and are no less than five groups, and go up damping spring and damping spring down and all fix on supporting lid body terminal surface about, support the lid and pass through last damping spring and damping spring down and go up the lid and be connected with the pressfitting between the lid down.

Preferably, protector includes left guarding ring cover, right guarding ring cover, left extrusion spring and right extrusion spring, and left guarding ring cover and right guarding ring cover cladding are in the outside of well lid body, and left guarding ring cover and right guarding ring cover inner wall transversely are provided with left extrusion spring and right extrusion spring.

Preferably, the inner walls of the left protection ring sleeve and the right protection ring sleeve are respectively connected with the outer side wall of the well lid body through a left extrusion spring and a right extrusion spring.

Compared with the prior art, the utility model has the following beneficial effects:

1. the anti-seismic nodular cast iron well lid with the assistance of the double-layer springs is characterized in that the upper lid body, the lower lid body and the outer side wall of the supporting lid body are connected through the connecting film pads, at least five groups of upper damping springs and at least five groups of lower damping springs are arranged, the upper damping springs and the lower damping springs are fixed on the upper end face and the lower end face of the supporting lid body, the supporting lid body is connected with the upper lid body and the lower lid body in a pressing mode through the upper damping springs and the lower damping springs, the elasticity of the well lid body can be increased through the upper damping springs and the lower damping springs, when the well lid is used, the damping performance of the whole well lid body is high, damage of vibration to the well lid is reduced, the use quality of the well lid is improved, the upper lid body, the lower lid body and the supporting lid body are sealed through the connecting film pads, the inner part is sealed, the inner springs are prevented from being wetted and corroded, the service life of the springs is prolonged, and the damping efficiency of the well lid is kept for a long time.

2. According to the anti-seismic nodular cast iron well lid with the assistance of the double-layer springs, the left extrusion spring and the right extrusion spring are transversely arranged on the inner walls of the left protection ring sleeve and the right protection ring sleeve, the inner walls of the left protection ring sleeve and the right protection ring sleeve are respectively connected with the outer side wall of the well lid body through the left extrusion spring and the right extrusion spring, when the well lid is installed, the whole protection device and the well lid body are driven to be installed in the well lid installation groove through the extrusion of the protection ring sleeve on one side of the well lid body under the action of spring contraction, the installation is convenient, meanwhile, the outer side of the well lid body is coated, and the service life of the well lid is prolonged.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a connecting structure of the manhole cover body and the protection device of the present invention;

FIG. 3 is an exploded view of the inner damping device structure of the present invention;

FIG. 4 is a sectional view showing the structure of the inner shock absorbing device according to the present invention;

fig. 5 is a schematic structural view of the protection device of the present invention.

In the figure: 1. a well cover mounting groove; 11. a well lid body; 111. an upper cover body; 112. a lower cover body; 113. a support cover; 114. a drain hole; 2. an inner damping device; 21. an upper damping spring; 22. a lower damping spring; 23. a seal ring; 24. connecting the membrane pad; 3. a guard; 31. a left protective ring sleeve; 32. a right protection ring sleeve; 33. a left compression spring; 34. and the right presses the spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a double-layer spring-assisted anti-seismic nodular cast iron well cover comprises a well cover installation groove 1, a well cover body 11 is installed inside the well cover installation groove 1, the well cover body 11 is composed of an upper cover body 111, a lower cover body 112 and a support cover body 113, the upper side and the lower side of the support cover body 113 are respectively provided with the upper cover body 111 and the lower cover body 112 in a pressing manner, an inner damping device 2 is arranged inside the well cover body 11, the inner damping device 2 comprises an upper damping spring 21, a lower damping spring 22, a sealing ring 23 and a connecting film pad 24, the upper damping spring 21 is fixed above the support cover body 113, the lower damping spring 22 is fixed below the support cover body 113, the sealing ring 23 is fixed on the well cover body 11, the upper cover body 111, the lower cover body 112 and the support cover body 113 are connected by the connecting film pad 24, two sets of corresponding drainage holes 114 are formed on the upper cover body 111, the lower cover body 112 and the support cover body 113, a sealing ring 23 is sleeved in the lower water hole 114, the lower water holes 114 among the upper cover body 111, the lower cover body 112 and the supporting cover body 113 are sealed by a connecting membrane pad 24, the outer side walls of the upper cover body 111, the lower cover body 112 and the supporting cover body 113 are connected by the connecting membrane pad 24, at least five groups of upper damping springs 21 and lower damping springs 22 are arranged, the upper damping springs 21 and the lower damping springs 22 are fixed on the upper end surface and the lower end surface of the supporting cover body 113, the supporting cover body 113 is connected with the upper cover body 111 and the lower cover body 112 in a pressing fit manner through the upper damping springs 21 and the lower damping springs 22, the elasticity among the upper damping springs 21 and the lower damping springs 22 can be increased among the well cover bodies 11, when in use, the shock absorption performance of the whole well cover body 11 is high, the damage of the well cover caused by vibration is reduced, the use quality of the well cover is increased, and the upper cover body 111, the lower cover body 112 and the supporting cover body 113 are sealed by the connecting membrane pad 24, so that the inside is sealed, the inner spring is prevented from being wetted and corroded, the service life of the spring is prolonged, the elasticity of the spring is ensured, and the damping efficiency of the spring is kept for a long time.

Referring to fig. 5, the protection device 3 is covered on the outer side of the manhole cover body 11, the manhole cover body 11 is installed inside the manhole cover installation groove 1 through the protection device 3, the protection device 3 includes a left protection ring sleeve 31, a right protection ring sleeve 32, a left extrusion spring 33 and a right extrusion spring 34, the left protection ring sleeve 31 and the right protection ring sleeve 32 are covered on the outer side of the manhole cover body 11, the inner walls of the left protection ring sleeve 31 and the right protection ring sleeve 32 are transversely provided with a left extrusion spring 33 and a right extrusion spring 34, the inner walls of the left protection ring sleeve 31 and the right protection ring sleeve 32 are respectively connected with the outer side wall of the manhole cover body 11 through the left extrusion spring 33 and the right extrusion spring 34, when being installed, the protection ring sleeve on one side of the manhole cover body 11 is extruded, under the effect of spring shrinkage, the whole protection device 3 and the manhole cover body 11 are driven to be installed in the manhole cover installation groove 1, and the outer side of the manhole cover body 11 is covered at the same time of being convenient to install, the service life of the device is prolonged.

In summary, the following steps: the utility model relates to a double-layer spring-assisted anti-seismic nodular cast iron well lid, wherein lower water holes 114 among an upper lid body 111, a lower lid body 112 and a supporting lid body 113 are sealed by a connecting membrane pad 24, the outer side walls of the upper lid body 111, the lower lid body 112 and the supporting lid body 113 are connected by the connecting membrane pad 24, at least five groups of upper damping springs 21 and lower damping springs 22 are arranged, the upper damping springs 21 and the lower damping springs 22 are fixed on the upper end surface and the lower end surface of the supporting lid body 113, the supporting lid body 113 is connected with the upper lid body 111 and the lower lid body 112 in a pressing way through the upper damping springs 21 and the lower damping springs 22, the upper damping springs 21 and the lower damping springs 22 can increase the elasticity among the well lid bodies 11, when in use, the whole well lid body 11 has high damping performance, the damage of vibration to the well lid is reduced, the use quality of the well lid is increased, and the upper lid body 111, the lower lid body 112 and the supporting lid body 113 are sealed by the connecting membrane pad 24, make inside sealed, prevent that inside spring from suffering from damp and corroding, improve spring life, guarantee its elasticity, make its shock absorption efficiency keep for a long time, left side guard ring cover 31 and right guard ring cover 32 cladding are in the outside of well lid body 11, left side guard ring cover 31 and right guard ring cover 32 inner wall transversely are provided with left extrusion spring 33 and right extrusion spring 34, left side guard ring cover 31 and right guard ring cover 32 inner wall are connected with well lid body 11 lateral wall through left extrusion spring 33 and right extrusion spring 34 respectively, when the installation, through the guard ring cover of extrusion well lid body 11 one side, under the effect of spring shrink, drive whole protector 3 and well lid body 11 and install in well lid mounting groove 1, when easy to assemble, carry out the cladding in the well lid body 11 outside, improve its life.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a antidetonation nodular cast iron well lid of double-deck spring helping hand, includes well lid mounting groove (1), its characterized in that: a well lid body (11) is arranged in the well lid mounting groove (1), the well lid body (11) is composed of an upper lid body (111), a lower lid body (112) and a supporting lid body (113), the upper side and the lower side of the supporting lid body (113) are respectively provided with the upper lid body (111) and the lower lid body (112) in a pressing mode, and an inner damping device (2) is arranged in the well lid body (11);

interior damping device (2) are including last damping spring (21), lower damping spring (22), sealing ring (23) and connection membrane pad (24), go up damping spring (21) and fix in the top of supporting lid (113), and lower damping spring (22) are fixed in the below of supporting lid (113), and sealing ring (23) are fixed on well lid body (11), go up lid (111), down lid (112) and support and connect by connecting membrane pad (24) between lid (113), the outside cladding of well lid body (11) is provided with protector (3), and the inside at well lid mounting groove (1) is installed through protector (3) in well lid body (11).

2. The double-layer spring-assisted anti-seismic nodular cast iron well lid of claim 1, wherein: two sets of corresponding lower water holes (114) are formed in the upper cover body (111), the lower cover body (112) and the supporting cover body (113), a sealing ring (23) is sleeved in each lower water hole (114), and the upper cover body (111), the lower cover body (112) and the lower water holes (114) between the supporting cover bodies (113) are sealed through a connecting film gasket (24).

3. The double-layer spring-assisted anti-seismic nodular cast iron well lid of claim 1, wherein: the outer side walls of the upper cover body (111), the lower cover body (112) and the supporting cover body (113) are connected through a connecting membrane pad (24).

4. The double-layer spring-assisted anti-seismic nodular cast iron well lid of claim 1, wherein: go up damping spring (21) and lower damping spring (22) and all set up and be no less than five groups, and go up damping spring (21) and lower damping spring (22) and all fix on supporting lid body (113) terminal surface from top to bottom, support lid body (113) through last damping spring (21) and lower damping spring (22) with go up lid body (111) and down between lid body (112) pressfitting be connected.

5. The double-layer spring-assisted anti-seismic nodular cast iron well lid of claim 1, wherein: protector (3) are including left guarding ring cover (31), right guarding ring cover (32), left side extrusion spring (33) and right extrusion spring (34), and left guarding ring cover (31) and right guarding ring cover (32) cladding are in the outside of well lid body (11), and left guarding ring cover (31) and right guarding ring cover (32) inner wall transversely are provided with left extrusion spring (33) and right extrusion spring (34).

6. The double-layer spring-assisted anti-seismic nodular cast iron well lid of claim 5, wherein: the inner walls of the left protection ring sleeve (31) and the right protection ring sleeve (32) are connected with the outer side wall of the well lid body (11) through a left extrusion spring (33) and a right extrusion spring (34) respectively.

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