CN202577358U - Tool for manually opening well lid - Google Patents
Tool for manually opening well lid Download PDFInfo
- Publication number
- CN202577358U CN202577358U CN 201220208436 CN201220208436U CN202577358U CN 202577358 U CN202577358 U CN 202577358U CN 201220208436 CN201220208436 CN 201220208436 CN 201220208436 U CN201220208436 U CN 201220208436U CN 202577358 U CN202577358 U CN 202577358U
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- CN
- China
- Prior art keywords
- well lid
- shaft
- handle
- manual unlocking
- hinged block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model provides a tool for manually opening well lid, comprising a rod-like object (1), a handle (2) and a hinged block (3), wherein the handle (2) is arranged at the top of the rod-like object (1), the hinged block (3) is arranged at the lower end of the rod-like object (1) and is hinged with the lower end of the rod-like object, and the hinged block (3) can rotate in the vertical direction relative to the rod-like object by taking a hinge point as a center.
Description
Technical field
The utility model relates to a kind of hand-operated tools, more particularly, relates to a kind of instrument of manual unlocking well lid.
Background technology
Well lid is the closure that leads to the top, access of underground installation, and the place of communal facilitieies such as every tap water, telecommunications, electric power, combustion gas, heating power, fire-fighting, environmental sanitation all needs well lid.Well lid is pressed the bearing capacity branch: heavy well lid, light-duty well lid.Press the material branch: metal material and high-strength steel fiber cement concrete well lids such as cast iron, ductile iron.Casting iron well lid has characteristics such as intensity height, bearing capacity are big, but to opening the well lid instrument higher requirement is arranged also simultaneously; The significant disadvantages of high-strength steel fiber cement concrete manhole cover be heavy, open the shoulder difficulty.The domestic conventional tool of opening well lid commonly used has at present: cleek, big original text, sledgehammer.Generally be to open with cleek earlier, not all right words are used big original text, not all rightly again have to use sledgehammer.Cleek is prone to get rusty, and the well lid that metal material such as cast iron, ductile iron are processed also gets rusty easily, and situation is used the cleek lid that is difficult to drive a well like this; Moreover resemble concrete inspection well lid and have heaviness, open characteristics such as shoulder difficulty, cleek inserts well lid because stressed big, yieldingly is difficult for opening well lid, even possibly damage health.According to reports: certain suburb peasant, use cleek to open well lid, because the well lid heaviness causes the wounded or disabled arm of cleek slippage.Big original text is picked up heavy, carries inconvenience, the effort of taking a lot of work.Sledgehammer is broken well lid, and well lid is scrapped, seriously influence pipeline maintenance and the repairing of unexpected incidents, cause very big economic loss.
Summary of the invention
For overcoming above-mentioned shortcomings and deficiencies of the prior art, the utility model provides a kind of manual unlocking well lid instrument, and it is simple that it not only has manufacture craft; It is convenient to open; Move flexibly lightly, time saving and energy saving, can fully alleviate working strength of workers; And use reliably, can adapt to advantages such as all size well lid.
The technical scheme that the utility model invention is adopted is:
A kind of manual unlocking well lid instrument; Comprise shaft, handle, hinged block; Wherein said handle is arranged on said shaft top; Said hinged block is arranged on the lower end of shaft, and carries out hingedly with the lower end of shaft, and hinged block can be that the center vertically rotates with respect to shaft with its pin joint.
Preferably, said shaft can be solid reinforcing bar, iron pipe, steel pipe or stainless steel tube.
Preferably, said handle design becomes annulus, elliptical ring or semi-round ring shape, conveniently when opening well lid, need accomplish by lever principle because of the pulling force of needs is excessive.
Preferably, said handle can be iron handle, steel handle or stainless steel handle.
Preferably, the connected mode of said handle and shaft is integrated with it in welding, articulated form or the shaft manufacture process.
Preferably, the lower end of said shaft is designed to groove shapes.
Preferably, said hinged block is installed in the said groove, wherein between position or hinged near centre position and groove two side, hinged block can be that center of rotation vertically rotates with respect to shaft with the pin joint.
Preferably, said hinged block can be iron block, bloom or piece of stainless steel.
Preferably, said hinged block be designed to one light heavy at one end, design just places hinged block laterally when hinged block inserts the well lid rear like this.
Preferably; Said shaft can be replaced and be arranged to hollow shaft; Like iron pipe, steel pipe or stainless steel tube etc., setting operation spare in it is hollow, it is promptly horizontal or vertical with respect to shaft that the lower end shake-up hinged block of this operating parts can be controlled the hinged block locality.
Preferably, the upper end of said operating parts can be with handle hinged or welding, this moment, handle directly was not connected with shaft, said operating parts can not be connected with handle yet, handle is connected with shaft at this moment.
Preferably, the lower surface of said operating parts is designed to convex surface or inclined-plane.
Preferably, two of said hinged block end faces are designed to convex surface or inclined-plane.
Manual unlocking well lid instrument provided by the present invention has also been realized following function:
(1) safety is good: manual unlocking well lid instrument according to the invention; Adopted to connect the hinged block device under the shaft axle, under well lid, can move flexibly, guaranteed both to be easy to open in the instrument use well lid; Avoid well lid to come off again and injure health, for construction provides protection;
(2) workable: manual unlocking well lid instrument according to the invention, simple structure and operation are very easy to, and the general operation personnel all can grasp the safety operation main points.
In order to increase chemical properties such as mechanical and physical performances such as shaft tensile strength, yield strength, compression load and anti-intensity and atmosphere be corrosion-resistant, can on manufacturing materials, select low alloy steel.
Low alloy steel is compared with the straight carbon steel pipe, has following advantage:
1. Unit Weight performance: straight carbon steel pipe specification ∮ 48*3.5mm, low alloy steel specification ∮ 48*2.5mm, low alloy steel is compared with the straight carbon steel pipe; Yield strength improves 46%; The atmosphere decay resistance improves 20%-38%, and weight saving 27% improves 25% application life;
2. good, corrosion-resistant, the durable in use straight carbon steel pipe of intensity intensity is low, perishable, and the proportion of goods damageds are high in construction, and according to relevant authoritative department statistics, will upgrade 20% every year, has only 5 years application life.Low-alloy steel intensity is high, corrosion-resistant, low annual only need of the proportion of goods damageds upgrades 12.5%.
Description of drawings
Fig. 1 is the overall schematic according to the hand-operated tools of the utility model
Fig. 2 is the user mode figure of hand-operated tools according to the utility model as shown in Figure 1
Wherein: 1-shaft 2-handle 3-hinged block 4-operating parts.
The specific embodiment
Describe with reference to 2 embodiment of Figure of description below the utility model technical scheme.
As shown in the figure; Manual unlocking well lid instrument according to the utility model; Comprise shaft 1, handle 2 and hinged block 3, wherein said handle 2 is arranged on said shaft 1 top, and said hinged block 3 is arranged on the lower end of shaft 1; And carrying out hingedly with the lower end of shaft, hinged block 3 can be that the center vertically rotates with respect to shaft with its interface point.
Embodiment 1:
As shown in the figure; Hinged or the welding leader 2 in the top of shaft 1, this handle is a ring-type, the lower end of shaft has groove; Hinged block 3 is installed in the groove; The centre position of hinged block or carry out hingedly near the two side of centre position and groove, hinged block 3 can be that center of rotation vertically rotates with respect to shaft 1 with the pin joint, hinged block 3 be designed to one light heavy at one end.During use, vertically mention manual unlocking well lid instrument, this moment is because the design principle of action of gravity and hinged block; Hinged block 3 is in vertical direction, with hinged block 3 rotations, makes its heavy end place the upper end with hand; In the circular hole that the lower end fill-in well of manual unlocking well lid instrument is covered, because hinged block 3 is not receiving the active force of hand, an end is rotated down and dancing takes place in its upper end; Carrying handle hand 2 at once makes progress this moment; Then hinged block 3 is in laterally and contacts with well lid, and card and well lid circular hole below, and the staff can open well lid.
During use, also can vertically mention manual unlocking well lid instrument, because the design principle of action of gravity and hinged block 3; Hinged block 3 is in vertical direction, and the staff no longer rotates hinged block 3 with hand, makes its heavy end place the upper end; In the circular hole that the lower end fill-in well of manual unlocking well lid instrument is covered, rock the handle 2 of upper end, the hinged block 3 of lower end is swung; Carrying handle hand 2 at once makes progress this moment; Then hinged block is in laterally and contacts with well lid, and card and well lid circular hole below, and the staff can open well lid.
Embodiment 2:
During use, vertically mention manual unlocking well lid instrument, this moment, operating parts 4 was in the extreme higher position in shaft; Hinged block 3 is on the vertical direction, the circular hole on the well lid is passed in the lower end of manual unlocking well lid instrument, rotating handles 2; Then be equivalent to rotary manipulation spare 4, operating parts 4 moves down in shaft, touches hinged block 3; Along with moving down of the position of operating parts 4, hinged block 3 is rotated into laterally thereupon, and this moment is carrying handle hand 2 upwards; Then hinged block 3 is stuck in the below of the circular hole of well lid, and the staff can open well lid.
The described manual unlocking well lid of the utility model instrument also has convenient and practical advantage.In work progress, can ground carried and be placed on to instrument, handle is housed is convenient to mention; And opening the well lid process, and need not pick up heavy, the effort of taking a lot of work as instruments such as traditional big original text, sledgehammers, it is dexterous convenient and practical to operate.
More than through the drive a well embodiment of the instrument that covers of air exercise the present general inventive concept of the utility model has been described.Need to prove that above-mentioned specific embodiment all is the exemplary explanation to technical scheme of the present invention, rather than to the concrete restriction of protection domain of the present invention.To those skilled in the art, the general plotting of the utility model invention can be used for the multiple well lid instrument of opening, as long as this is opened the well lid instrument and comprises shaft, handle and hinged block etc., these have all dropped within the protection domain of the utility model invention.
Claims (14)
1. manual unlocking well lid instrument; Comprise shaft (1), handle (2), hinged block (3); It is characterized in that: said handle (2) is arranged on said shaft (1) top; Said hinged block (3) is arranged on the lower end of shaft (1), and carries out hingedly with the lower end of shaft (1), and hinged block (3) can be that the center vertically rotates with respect to shaft with its pin joint.
2. manual unlocking well lid instrument according to claim 1 is characterized in that: said shaft (1) can be solid reinforcing bar, iron pipe, steel pipe or stainless steel tube.
3. manual unlocking well lid instrument according to claim 1 is characterized in that: said handle (2) is designed to annulus, elliptical ring or semi-round ring shape.
4. manual unlocking well lid instrument according to claim 3 is characterized in that: said handle (2) can be iron handle, steel handle or stainless steel handle.
5. according to claim 3 or 4 described manual unlocking well lid instruments, it is characterized in that: said handle (2) is integrated with it in welding, articulated form or the shaft manufacture process with the connected mode of shaft (1).
6. manual unlocking well lid instrument according to claim 1 is characterized in that: the lower end of said shaft (1) is designed to groove shapes.
7. manual unlocking well lid instrument according to claim 6; It is characterized in that: said hinged block (3) is installed in the said groove; Position or hinged near centre position and groove two side wherein, hinged block (3) can be that center of rotation is with respect to the vertical rotation of shaft (1) with the pin joint.
8. manual unlocking well lid instrument according to claim 7 is characterized in that: said hinged block (3) can be iron block, bloom or piece of stainless steel.
9. according to claim 7 or 8 described manual unlocking well lid instruments, it is characterized in that: said hinged block (3) be designed to one light heavy at one end.
10. manual unlocking well lid instrument according to claim 1; It is characterized in that: said shaft (1) can be replaced and be arranged to hollow shaft; It is promptly horizontal or vertical with respect to shaft (1) that setting operation spare in it is hollow (4), the lower end shake-up hinged block (3) of this operating parts (4) can be controlled hinged block (3) locality.
11. manual unlocking well lid instrument according to claim 10 is characterized in that: the upper end of said operating parts (4) can be with handle (2) hinged or welding, handle (2) directly is not connected with shaft (1).
12. manual unlocking well lid instrument according to claim 10 is characterized in that: said operating parts (4) can not be connected with handle (2) yet, and handle (2) is connected with shaft (1).
13. according to claim 10 or 11 described manual unlocking well lid instruments, it is characterized in that: the lower surface of said operating parts (4) is designed to convex surface or inclined-plane.
14. manual unlocking well lid instrument according to claim 13 is characterized in that: two end faces of said hinged block (3) are designed to convex surface or inclined-plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220208436 CN202577358U (en) | 2012-05-10 | 2012-05-10 | Tool for manually opening well lid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220208436 CN202577358U (en) | 2012-05-10 | 2012-05-10 | Tool for manually opening well lid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202577358U true CN202577358U (en) | 2012-12-05 |
Family
ID=47246787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220208436 Expired - Lifetime CN202577358U (en) | 2012-05-10 | 2012-05-10 | Tool for manually opening well lid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202577358U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108658021A (en) * | 2017-03-30 | 2018-10-16 | 中电华元核电工程技术有限公司 | A kind of nuclear power station cover plate for manhole dismantling device |
-
2012
- 2012-05-10 CN CN 201220208436 patent/CN202577358U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108658021A (en) * | 2017-03-30 | 2018-10-16 | 中电华元核电工程技术有限公司 | A kind of nuclear power station cover plate for manhole dismantling device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121205 |
|
| CX01 | Expiry of patent term |