CN212582749U

CN212582749U - Anti-falling net for nodular cast iron well lid

Info

Publication number: CN212582749U
Application number: CN202021288771.2U
Authority: CN
Inventors: 王志英; 胡净川; 胡军平
Original assignee: Jize Jincheng Precision Casting Co ltd
Current assignee: Jize Jincheng Precision Casting Co ltd
Priority date: 2020-07-02
Filing date: 2020-07-02
Publication date: 2021-02-23
Anticipated expiration: 2030-07-02

Abstract

The utility model relates to a well lid technical field just discloses a nodular cast iron well lid is with preventing weighing down net, comprising a base plate, the positive swing joint of bottom plate has expansion bolts, one side fixedly connected with locating piece of bottom plate, the inner wall swing joint of locating piece has the locking piece, the constant head tank has been seted up to the inner wall of locking piece, the inner wall fixedly connected with spring of constant head tank, one side fixedly connected with fixture block of locking piece, the outer wall swing joint of fixture block has the holding ring. This nodular cast iron well lid is with preventing weighing down net can reach this nodular cast iron well lid is with preventing weighing down net and be convenient for the purpose of installation, need not twine fixedly, and labour saving and time saving has improved staff's work efficiency for staff's work brings facility, has shortened staff's operating time, has reduced staff's intensity of labour, has solved general well lid with preventing weighing down the inconvenient problem of net installation to the work and the life that give people bring facility.

Description

Anti-falling net for nodular cast iron well lid

Technical Field

The utility model relates to a well lid technical field specifically is a nodular cast iron well lid is with preventing weighing down net.

Background

The nodular cast iron well cover is one kind of nodular cast iron product, and the nodular cast iron is spheroidized and inoculated to obtain spheroidal graphite, so that the mechanical performance, especially the plasticity and toughness, of the nodular cast iron is effectively improved, and the strength higher than that of carbon steel is obtained. The ductile iron is a high-strength cast iron material developed in the decades of the twentieth century and the fifties, the comprehensive performance of the ductile iron is close to that of steel, and the ductile iron has been successfully used for casting parts which are complex in stress and high in requirements on strength, toughness and wear resistance based on the excellent performance of the ductile iron.

Most well lids are fixed and single with preventing weighing down net structure in the existing market, can only fix through winding mode, bring inconvenience for staff's work, have reduced staff's work efficiency, have prolonged staff's operating time, have increased staff's intensity of labour to people's work and life have been influenced.

Disclosure of Invention

Technical problem to be solved

Not enough to prior art, the utility model provides a nodular cast iron well lid is with preventing weighing down net possesses advantages such as the installation of being convenient for, has solved general well lid with preventing weighing down the inconvenient problem of net installation.

(II) technical scheme

For the purpose that realizes above-mentioned well lid with preventing weighing down the net installation of being convenient for, the utility model provides a following technical scheme: the utility model provides a nodular cast iron well lid is with preventing weighing down net, includes the bottom plate, the positive swing joint of bottom plate has expansion bolts, one side fixedly connected with locating piece of bottom plate, the inner wall swing joint of locating piece has the locking piece, the constant head tank has been seted up to the inner wall of locking piece.

The inner wall fixedly connected with spring of constant head tank, one side fixedly connected with fixture block of locking piece, the outer wall swing joint of fixture block has the holding ring, the outer wall swing joint of holding ring has the protection network, the outer wall swing joint of protection network has the counter weight ring.

Preferably, the number of the expansion bolts is four, and the four expansion bolts are equidistantly arranged on the outer wall of the bottom plate.

Preferably, one end of the spring is fixedly connected with the inner wall of the positioning groove, and the other end of the spring is fixedly connected with the inner wall of the positioning block.

Preferably, the bottom of the clamping block is provided with a clamping groove, and the inner wall of the clamping groove is movably connected with the outer wall of the positioning ring.

Preferably, the inner wall of the positioning block is provided with a positioning groove, and the shape and size of the positioning groove are matched with those of the positioning ring.

Preferably, the protective net is composed of a wear-resistant layer, an anti-corrosion layer and a nylon layer, the inner wall of the wear-resistant layer is fixedly connected with the outer wall of the anti-corrosion layer, and the inner wall of the anti-corrosion layer is fixedly connected with the outer wall of the nylon layer.

Preferably, the counterweight ring is a stainless steel counterweight ring, and the center line of the counterweight ring is superposed with the center line of the positioning ring.

(III) advantageous effects

Compared with the prior art, the utility model provides a nodular cast iron well lid is with preventing weighing down net possesses following beneficial effect:

1. this nodular cast iron well lid is with preventing weighing down net, through the bottom plate, expansion bolts, the locating piece, the locking piece, the constant head tank, a spring, the fixture block, the holding ring, mutually supporting use of protection network and balancing weight, can reach this nodular cast iron well lid is with preventing weighing down the mesh and being convenient for install, need not twine fixedly, time saving and labor saving, it facilitates for staff's work, staff's work efficiency has been improved, staff's operating time has been shortened, staff's intensity of labour has been reduced, general well lid is with preventing weighing down the inconvenient problem of net installation has been solved, thereby work and life for people bring facility.

2. This nodular cast iron well lid is with preventing weighing down net through protection network, wearing layer, corrosion resistant layer and the polyamide fibre layer that sets up, can reach this nodular cast iron well lid is with preventing weighing down net anticorrosive wear resistant purpose, has prolonged this nodular cast iron well lid is with preventing weighing down net's life, has reduced people's economic loss, has reduced people's capital cost's input.

Drawings

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

FIG. 2 is a schematic view of the positioning block of the present invention;

fig. 3 is a schematic view of the protective net structure of the present invention.

In the figure: 1. a base plate; 2. an expansion bolt; 3. positioning blocks; 4. a locking block; 5. positioning a groove; 6. a spring; 7. a clamping block; 8. a positioning ring; 9. a protective net; 10. a counterweight ring; 11. a wear layer; 12. a corrosion resistant layer; 13. a nylon layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the anti-falling net for the nodular cast iron well lid comprises a bottom plate 1, wherein expansion bolts 2 are movably connected to the front surface of the bottom plate 1, the number of the expansion bolts 2 is four, the four expansion bolts 2 are equidistantly arranged on the outer wall of the bottom plate 1, a positioning block 3 is fixedly connected to one side of the bottom plate 1, a locking block 4 is movably connected to the inner wall of the positioning block 3, and a positioning groove 5 is formed in the inner wall of the locking block 4.

A spring 6 is fixedly connected to the inner wall of the positioning groove 5, one end of the spring 6 is fixedly connected with the inner wall of the positioning groove 5, the other end of the spring 6 is fixedly connected with the inner wall of the positioning block 3, one side of the locking block 4 is fixedly connected with a clamping block 7, the outer wall of the clamping block 7 is movably connected with a positioning ring 8, the bottom of the clamping block 7 is provided with a clamping groove, the inner wall of the clamping groove is movably connected with the outer wall of the positioning ring 8, the inner wall of the positioning block 3 is provided with the positioning groove, the shape and the size of the positioning groove are matched with those of the positioning ring 8, the outer wall of the positioning ring 8 is movably connected with a protective net 9, the protective net 9 is composed of a wear-resistant layer 11, a corrosion-resistant layer 12 and a nylon layer 13, the inner wall of the wear-resistant layer 11 is fixedly connected with the outer wall of the corrosion-resistant layer 12, the, the corrosion-resistant layer 12 is a zinc-nickel alloy plating layer, the nylon layer 13 is nylon which is a description of polyamide fiber and can be made into long fiber or short fiber, the counterweight ring 10 is a stainless steel counterweight ring, the center line of the counterweight ring 10 is coincident with the center line of the positioning ring 8, the stainless steel is a short stainless acid-resistant steel, and the stainless steel is a stainless steel called weak corrosion medium such as air, steam and water or stainless steel.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

When the anti-falling net is used, the positioning hole is punched on the ground, the expansion bolt 2 is inserted into the positioning hole, the positioning ring 8 is placed into the positioning groove 5 of the positioning block 3, the locking block 4 drives the clamping block 7 to sink under the telescopic acting force of the spring 6, the inner wall of the clamping groove formed in the clamping block 7 is attached to the outer wall of the positioning ring 8, and the installation work of the anti-falling net for the nodular cast iron well cover is achieved.

To sum up, this nodular cast iron well lid is with preventing weighing down net can reach this nodular cast iron well lid is with preventing weighing down the purpose that the net was convenient for install, need not twine fixedly, and labour saving and time saving brings the facility for staff's work, has improved staff's work efficiency, and nodular cast iron well lid is with preventing weighing down the long service life of net simultaneously, has reduced people's economic loss, has reduced people's capital cost's input.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a nodular cast iron well lid is with preventing weighing down net, includes bottom plate (1), its characterized in that: the front surface of the bottom plate (1) is movably connected with an expansion bolt (2), one side of the bottom plate (1) is fixedly connected with a positioning block (3), the inner wall of the positioning block (3) is movably connected with a locking block (4), and the inner wall of the locking block (4) is provided with a positioning groove (5);

the inner wall fixedly connected with spring (6) of constant head tank (5), one side fixedly connected with fixture block (7) of locking piece (4), the outer wall swing joint of fixture block (7) has holding ring (8), the outer wall swing joint of holding ring (8) has protection network (9), the outer wall swing joint of protection network (9) has counterweight ring (10).

2. The anti-falling net for the nodular cast iron well lid as claimed in claim 1, wherein: the number of the expansion bolts (2) is four, and the four expansion bolts (2) are equidistantly arranged on the outer wall of the bottom plate (1).

3. The anti-falling net for the nodular cast iron well lid as claimed in claim 1, wherein: one end of the spring (6) is fixedly connected with the inner wall of the positioning groove (5), and the other end of the spring (6) is fixedly connected with the inner wall of the positioning block (3).

4. The anti-falling net for the nodular cast iron well lid as claimed in claim 1, wherein: the bottom of the clamping block (7) is provided with a clamping groove, and the inner wall of the clamping groove is movably connected with the outer wall of the positioning ring (8).

5. The anti-falling net for the nodular cast iron well lid as claimed in claim 1, wherein: the inner wall of the positioning block (3) is provided with a positioning groove, and the shape and the size of the positioning groove are matched with those of the positioning ring (8).

6. The anti-falling net for the nodular cast iron well lid as claimed in claim 1, wherein: the protective net (9) is composed of a wear-resistant layer (11), an anti-corrosion layer (12) and a nylon layer (13), the inner wall of the wear-resistant layer (11) is fixedly connected with the outer wall of the anti-corrosion layer (12), and the inner wall of the anti-corrosion layer (12) is fixedly connected with the outer wall of the nylon layer (13).

7. The anti-falling net for the nodular cast iron well lid as claimed in claim 1, wherein: the counterweight ring (10) is a stainless steel counterweight ring, and the center line of the counterweight ring (10) is superposed with the center line of the positioning ring (8).