CN112467600A

CN112467600A - Easy-to-open cover plate and opening device thereof

Info

Publication number: CN112467600A
Application number: CN202011232366.3A
Authority: CN
Inventors: 胡小慢; 王金城; 熊振东; 戴征献; 陈清江; 聂文翔; 董志聪; 高松; 余文邦; 张宇; 谭珺泽; 王小强
Original assignee: Zhongshan Power Supply Bureau of Guangdong Power Grid Co Ltd
Current assignee: Zhongshan Power Supply Bureau of Guangdong Power Grid Co Ltd
Priority date: 2020-11-06
Filing date: 2020-11-06
Publication date: 2021-03-09
Anticipated expiration: 2040-11-06
Also published as: CN112467600B

Abstract

The invention provides an easy-to-open cover plate for overcoming the defect that a cable cover plate is difficult to open, which comprises a cover plate, wherein a plurality of first groove positions are formed in the side edge of the cover plate, and insections are arranged in the first groove positions; the insection is used for prying after being engaged with the end part of the prying tool. The invention also provides an opening device of the easy-opening cover plate, which is applied to the easy-opening cover plate and comprises a prying rod and a base, wherein one end of the prying rod is of a flat-head structure; the base includes the fixing base and rotates the piece, and the fixing base passes through first pivot and rotates the piece to be connected, rotates to set up the through-hole that link up the setting on the piece, and the crow bar is fixed on the base through the through-hole. In the use, the prying bar extends the flat head structure into the first slot position in the easy-to-open cover plate and is meshed with the insection of the prying bar, the relative position of the prying bar and the base is adjusted according to the operation requirement, then the base is used as a fulcrum, the easy-to-open cover plate is pried by utilizing the lever principle, and the cover plate can be simply opened.

Description

Easy-to-open cover plate and opening device thereof

Technical Field

The invention relates to the field of electric power tools, in particular to an easy-to-open cover plate and an opening device thereof.

Background

The cable maintenance worker well is inevitably installed on a sidewalk, a traffic lane or a road intersection and the like, and in order to not influence the normal running of pedestrians and vehicles on the ground and ensure the normal bearing capacity of a cover plate, most of the cable cover plates used at present are reinforced concrete cover plates of 10-20 cm. However, such covers are generally heavy and thick, and thus difficult to open. And cable cover plate exposes outside for a long time, and the narrow and small gap in apron edge also is blocked the apron by the muddy tightness on the road surface, even insert the iron hook in the preformed hole on the apron, it is also very difficult that three five people want to lift the apron.

Publication No. CN206211393U (published: 2017-05-31) proposes a cover plate lifting device composed of a pry bar and a base, wherein the pry bar is clamped into a cover plate with lifting lugs on the upper surface, and the cover plate is lifted by a lever principle. However, the device is only suitable for the cover plate with the lifting lugs on the upper surface, the cover plate easily influences the walking of people on the ground and the normal running of vehicles, the pivot of the lifting device is fixed, and when the cover plate is heavy, a plurality of workers are still required to pry.

Disclosure of Invention

The invention provides an easy-to-open cover plate and an opening device of the easy-to-open cover plate, aiming at overcoming the defect that the cable cover plate is difficult to open in the prior art.

In order to solve the technical problems, the technical scheme of the invention is as follows:

an easy-to-open cover plate comprises a cover plate, wherein a plurality of first groove positions are formed in the side edge of the cover plate, and insections are arranged in the first groove positions; the insection is used for prying after being engaged with the end part of the prying tool.

Preferably, the four side surfaces of the cover plate are covered with edge covering components, and second groove positions are formed in the position, opposite to the first groove positions, of the edge covering components; the upper end surface and the lower end surface of the second slot are arranged in a run-through mode.

Preferably, the tipping assembly is a steel tipping.

Preferably, two opposite side surfaces of the cover plate are respectively provided with 2 first slot positions.

The invention also provides an opening device of the easy-open cover plate, which is applied to the easy-open cover plate provided by any technical scheme and comprises a prying bar and a base, wherein one end of the prying bar is of a flat-head structure; the base includes the fixing base and rotates the piece, and the fixing base passes through first pivot and rotates the piece to be connected, rotates to set up the through-hole that link up the setting on the piece, and the crow bar is fixed on the base through the through-hole.

In the use, the prying bar extends the flat head structure into the first slot position in the easy-to-open cover plate and is meshed with the insection of the prying bar, the relative position of the prying bar and the base is adjusted according to the operation requirement, then the base is used as a fulcrum, the easy-to-open cover plate is pried by utilizing the lever principle, and the cover plate can be simply opened.

Preferably, the rotating member is provided with a locking member for locking the pry bar.

Preferably, the locking piece comprises an eccentric wheel, wherein a third groove is formed in the upper side surface of the rotating piece, the third groove is communicated with the through hole, and the eccentric wheel is arranged in the third groove through a second rotating shaft; the inner edge side of the eccentric wheel is outwards provided with a plectrum which is used for assisting in rotating the eccentric wheel; the rotation of the eccentric wheel is controlled by rotating the plectrum, when the outer edge of the eccentric wheel moves towards the direction of the through hole until the outer edge of the eccentric wheel clamps the prying rod, the prying rod is locked and cannot move relative to the base; the poking sheet is rotated reversely, the outer edge of the eccentric wheel moves away from the through hole, the outer edge of the eccentric wheel is separated from the prying rod, and the prying rod is unlocked.

Preferably, the bottom of the fixed seat is provided with a semicircular notch.

Preferably, the other end of the pry bar is provided with a handle.

Preferably, the pry bar is provided with scale marks on the outer periphery.

Compared with the prior art, the technical scheme of the invention has the beneficial effects that: according to the invention, the side surface of the cover plate is provided with the groove position, the insection is arranged in the groove position, the prying of the cover plate is realized by matching the engagement of the end part of the prying tool and the insection and utilizing the lever principle, and the cover plate can be opened in a labor-saving and effective manner; according to the invention, the prying bar with the flat head structure is matched with the base to form the opening device for easily opening the cover plate, so that the fulcrum can be adjusted according to the position and weight of the cover plate, the cover plate can be effectively opened in a labor-saving and effective manner, and meanwhile, the flexibility of operation is improved.

Drawings

Fig. 1 is a schematic structural view of an easy-open cover plate of embodiment 1.

Fig. 2 is a partial schematic view of an easy-open cover plate according to embodiment 1.

Fig. 3 is a schematic structural view of a circular easy-open cover plate of embodiment 1.

Fig. 4 is a schematic structural view of a hemming assembly of embodiment 1.

Fig. 5 is a schematic structural view of an opening device of an easy-open cover plate according to embodiment 2.

Fig. 6 is a schematic view showing a moving state of the pry bar according to embodiment 2.

FIG. 7 is a schematic view showing the state of use of embodiment 2.

Fig. 8 is a schematic view of a housed state of the pry bar according to embodiment 2.

Fig. 9 is a schematic view of the lever graduations of embodiment 2.

Detailed Description

The drawings are for illustrative purposes only and are not to be construed as limiting the patent;

for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product;

it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The technical solution of the present invention is further described below with reference to the accompanying drawings and examples.

Example 1

The present embodiment provides an easy-to-open cover, as shown in fig. 1 to 3, which is a schematic structural diagram of the easy-to-open cover of the present embodiment.

In the easy-to-open cover plate 1 that this embodiment provided, including cover plate 1, first trench 11 has been seted up to cover plate 1 side, is provided with insection 12 in the first trench 11. Wherein, insection 12 that sets up in the first trench 11 is used for cooperating the end meshing of prying tool, utilizes lever principle to pry.

The cover plate 1 in this embodiment may be a rectangular cover plate or a circular cover plate, as shown in fig. 3, which is a schematic view of the circular cover plate.

Further, the four side surfaces of the cover plate 1 in the embodiment are covered and provided with edge covering components 2, and second groove positions 21 are arranged on the edge covering components 2 opposite to the first groove positions 11; the upper and lower end surfaces of the second slot 21 are arranged in a through manner. The edge covering component 2 in the embodiment adopts steel edge covering. Fig. 4 is a schematic structural view of the hemming assembly 2 of the present embodiment.

In the specific implementation process, a first slot position 11 is arranged on the opposite side of the cover plate 1, and insections 12 are arranged in the first slot position 11; the position of the edge covering component 2 coated and arranged on the periphery of the cover plate 1 is matched with the first groove position 11, and a second groove position 21 is correspondingly arranged, a space for the pry bar 3 to stretch into is reserved in the second groove position 21, and the pry bar 3 can further stretch into conveniently. One end of the prying rod 3 extends into the first slot 11 in the easily-opened cover plate 1 and is meshed with the insections 12 of the easily-opened cover plate, and then the cover plate 1 is pried by utilizing the lever principle, so that the cover plate 1 can be opened.

When there is first trench 11, the silt shutoff on the space road surface of reserving in the second trench 21, can clear up the silt that is close to the road surface, make the insection 12 part that sets up in the first trench 11 expose, thereby insert 3 one end of pinch bar in the first trench 11 and mesh with naked first insection 12 and make apron 1 atress prized a section displacement, insection 12 that is blocked by silt this moment exposes, then and then mesh and prize further with insection 12 that the second exposes, can realize opening apron 1 through the meshing and prizing to insection 12 one by one.

Example 2

This embodiment provides an opening device of an easy-open lid 1, which is applied to the easy-open lid 1 provided in embodiment 1. Fig. 5 is a schematic structural view of the opening device of the easy-open lid 1 of the present embodiment.

The opening device of the easy-open cover plate 1 provided by the embodiment comprises a pry bar 3 and a base 4, wherein one end of the pry bar 3 is a flat head structure 31; the base 4 includes a fixed seat 41 and a rotating part 42, the fixed seat 41 is connected with the rotating part 42 through a first rotating shaft 43, a through hole 421 penetrating the rotating part 42 is formed, and the pry bar 3 is fixed on the base 4 through the through hole 421.

Further, the rotating member 42 in this embodiment is provided with a locking member for locking the pry bar 3. The locking piece adopts an eccentric wheel 43, wherein a third groove 422 is formed in the upper side surface of the rotating piece 42, the third groove 422 is communicated with the through hole 421, and the eccentric wheel 43 is arranged in the third groove 422 through a second rotating shaft 423; the inner edge side of the eccentric wheel 43 is provided with a pulling sheet 44 outwards, and the pulling sheet 44 is used for assisting in rotating the eccentric wheel 43.

In the using process, the rotation of the eccentric wheel 43 is controlled by rotating the plectrum 44, when the outer edge of the eccentric wheel 43 moves towards the direction of the through hole 421 until the outer edge of the eccentric wheel 43 clamps the prying rod 3, the prying rod 3 is locked and cannot move relative to the base 4; when the poking piece 44 is rotated reversely, the outer edge of the eccentric wheel 43 moves away from the through hole 421, the outer edge of the eccentric wheel 43 is separated from the pry bar 3, the pry bar 3 is unlocked, and at the moment, the pry bar 3 can move relative to the base 4 so as to adjust the position of the fulcrum.

Fig. 6 is a schematic diagram showing the state of movement of the lever 3 according to the present embodiment.

In the specific implementation process, the cover plate 1 can be a rectangular cover plate 1 or a circular cover plate 1, wherein the opposite side of the cover plate 1 is provided with a first slot position 11, and insections 12 are arranged in the first slot position 11; the position of the edge covering component 2 coated and arranged on the periphery of the cover plate 1 is matched with the first groove position 11, and a second groove position 21 is correspondingly arranged, a space for the pry bar 3 to stretch into is reserved in the second groove position 21, and the pry bar 3 can further stretch into conveniently.

Fig. 7 is a schematic view of the usage status of the present embodiment.

Firstly, a base 4 is placed on the ground on one side of a cover plate 1, a plectrum 44 is rotated to enable a pry bar 3 to be in a movable state, the pry bar 3 can move relative to the base 4 at the moment so as to adjust the position of a fulcrum, then the plectrum 44 is rotated to control an eccentric wheel 43 to rotate, when the outer edge of the eccentric wheel 43 moves towards a through hole 421 direction until the outer edge of the eccentric wheel 43 clamps the pry bar 3, the pry bar 3 is locked and cannot move relative to the base 4, then the pry bar 3 is rotated, at the moment, a rotating piece 42 and the pry bar 3 axially rotate relative to a fixed seat 41, one end of the pry bar 3 extends into a first groove 11 in an easy-to-open cover plate 1 and is meshed with a tooth pattern 12 of the pry bar 3, the.

Further, the bottom of the fixing base 41 in this embodiment is provided with a semicircular notch 411. When the pry bar 3 and the rotating member 42 rotate together along the first rotating shaft 43 until the pry bar 3 is attached to the semicircular notch 411 arranged at the bottom of the fixing seat 41, the pry bar 3 is partially accommodated in the semicircular notch 411, so that the function of convenient accommodation is realized. Fig. 8 is a schematic view of the storage state of the present embodiment.

Further, the other end of the pry bar 3 in the present embodiment is provided with a handle 32, and the periphery of the pry bar 3 is provided with scale marks 33. Fig. 9 is a schematic view of the scale lines 33 of the pry bar 3 according to the present embodiment. In the process of adjusting the fulcrum of the pry bar 3, the adjustment can be performed according to the indication of the scale marks 33.

The same or similar reference numerals correspond to the same or similar parts;

the terms describing positional relationships in the drawings are for illustrative purposes only and are not to be construed as limiting the patent;

it should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. An easy-to-open cover plate comprises a cover plate and is characterized in that a plurality of first groove positions are formed in the side edge of the cover plate, and insections are arranged in the first groove positions; the insection is used for prying after being meshed with the end part of the prying tool.

2. The easy-open cover plate of claim 1, wherein a hemming component is covered on four sides of the cover plate, and a second groove is formed in the hemming component opposite to the first groove; and the upper end surface and the lower end surface of the second slot are arranged in a run-through manner.

3. The easy open lid of claim 2, wherein the tipping assembly is a steel tipping.

4. The easy-open cover plate according to any one of claims 1 to 3, wherein 2 first slots are respectively formed in two opposite side surfaces of the cover plate.

5. An opening device of an easy-open cover plate is applied to the easy-open cover plate of any one of claims 1 to 4, and is characterized by comprising a prying bar and a base, wherein one end of the prying bar is of a flat head structure; the base comprises a fixed seat and a rotating part, the fixed seat is connected with the rotating part through a first rotating shaft, a through hole penetrating the rotating part is formed in the rotating part, and the prying bar is fixed on the base through the through hole;

the prying bar extends a flat head structure into a first groove in the easily-opened cover plate and is meshed with the insections of the easily-opened cover plate, the relative position of the prying bar and the base is adjusted according to operation requirements, and then the easily-opened cover plate is pried by taking the base as a fulcrum and utilizing a lever principle.

6. The easy open lid opening device according to claim 5, wherein a locking member is provided on said rotary member, said locking member being for locking said pry bar.

7. The opening device of claim 6, wherein the locking member comprises an eccentric, wherein:

a third groove position is formed in the upper side surface of the rotating part, the third groove position is communicated with the through hole, and the eccentric wheel is arranged in the third groove position through a second rotating shaft;

a shifting sheet is arranged outwards on the inner edge side of the eccentric wheel and used for assisting in rotating the eccentric wheel;

the plectrum is rotated to control the eccentric wheel to rotate, the outer edge of the eccentric wheel moves towards the direction of the through hole until the outer edge of the eccentric wheel clamps the prying rod, and the prying rod is locked and cannot move relative to the base; and reversely rotating the poking sheet, wherein the outer edge of the eccentric wheel moves away from the through hole, the outer edge of the eccentric wheel is separated from the prying rod, and the prying rod is unlocked.

8. The opening device of claim 5, wherein the bottom of the holder is provided with a semicircular notch.

9. The opening device of claim 5, wherein the other end of the pry bar is provided with a handle.

10. The opening device of claim 5, wherein the pry bar is provided with graduations on an outer periphery thereof.