CN206752520U - A kind of well lid unlocking key - Google Patents
A kind of well lid unlocking key Download PDFInfo
- Publication number
- CN206752520U CN206752520U CN201720399987.8U CN201720399987U CN206752520U CN 206752520 U CN206752520 U CN 206752520U CN 201720399987 U CN201720399987 U CN 201720399987U CN 206752520 U CN206752520 U CN 206752520U
- Authority
- CN
- China
- Prior art keywords
- expansion link
- support arm
- cross
- section
- nothing piece
- 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 - Fee Related
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- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The utility model discloses a kind of well lid unlocking key, it is characterized in that, it is made up of all-or-nothing piece, expansion link, handheld ring three parts, the top of the all-or-nothing piece is provided with laterally vertically disposed support arm, the all-or-nothing piece and is provided with through hole, support arm passes perpendicularly through through hole, the other end of the all-or-nothing piece is provided with internal thread, is threadedly coupled with the male end of expansion link, and one end of the handheld ring is provided with external screw thread, it is threadedly coupled with the female end of expansion link, the other end of handheld ring is annular handle portion.The utility model overcomes traditional well lid and opens the problem of difficult, hence it is evident that has saved time and cost of labor, open method operated quickly and conveniently is provided for examination and maintenance underground facility.
Description
Technical field
It the utility model is related to utility field, and in particular to a kind of well lid unlocking key.
Background technology
Well lid is widely used in a variety of applications in fields such as municipal works, communications facility, fire-fighting system etc., but conventional (state
Mark) well lid opening process relative difficulty, well lid only sets two reserved open holes, handle is not fixed, entirely with staff
Lifted with finger or light instrument, labor intensity is big.Do not have in the market a simple in construction not easy to use and can solve the problem that
The Special manhole cover key of problems.The utility model is directed to problem above, propose low a processing cost, good portability, can
Strong operability, economic and practical are good and possess a kind of specific purpose tool of scalability energy.
Utility model content
In view of the above-mentioned problems, the purpose of this utility model propose low a processing cost, good portability, it is workable,
Economic and practical is good and possesses a kind of specific purpose tool of scalability energy.
Technical scheme is used by the utility model solves above-mentioned technical problem：A kind of well lid unlocking key, its feature
It is, is made up of all-or-nothing piece, expansion link, handheld ring three parts, the top of the all-or-nothing piece is provided with laterally vertically disposed support arm,
The all-or-nothing piece is provided with through hole, and support arm passes perpendicularly through through hole, and to ensure the intensity of all-or-nothing piece, through hole internal diameter is all-or-nothing piece cylinder
The 1/2-2/3 of external diameter, the other end of the all-or-nothing piece are provided with internal thread, are threadedly coupled with the male end of expansion link, the hand
One end of drop handle is provided with external screw thread, is threadedly coupled with the female end of expansion link, and the other end of handheld ring is annular handle portion.
Further, the cross section of the support arm is triangle, rhombus, pentagon or hexagon, the cross section of through hole and branch
The cross section of arm is identical.
Further, the cross section of the support arm is circle, and the cross section of through hole is circle, is provided with the outer wall of support arm outer
Screw thread, support arm pass through through hole, and both ends pass through screw threads for fastening.
Further, the expansion link is that side has external screw thread, and opposite side is the cylinder of internal thread, and major diameter of external thread is
The 1/2-2/3 of cylinder external diameter.
Further, the cross section of the expansion link is even number regular polygon, the cross section of the all-or-nothing piece and expansion link one
Cause, the handheld ring is consistent with expansion link with the cross section of the connection end of expansion link.
The set well lid unlocking key is equipped with the expansion link of different length, can be according to height and the use habit freedom of user
It is applied in combination.
The utility model has the advantage of：
During installation, the screw portion of all-or-nothing piece, expansion link, handheld ring is locked.In use, the Arm portion by all-or-nothing piece
Hook in the preformed hole of well lid, applying certain external pull in handheld ring upper end can gently lever up well lid and move to well
On seat.Overcome traditional well lid and open the problem of difficult, hence it is evident that saved time and cost of labor, be examination and maintenance underground facility
Open method operated quickly and conveniently is provided.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, describe below
In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is three-dimensional structure diagram of the present utility model.
Wherein：1st, all-or-nothing piece；2nd, expansion link；3rd, handheld ring；4th, support arm；5th, handle portion.
Embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described
Embodiment is the utility model part of the embodiment, rather than whole embodiments.Based on the embodiment in the utility model, sheet
The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to this practicality
Novel protected scope.
, it is necessary to explanation in description of the present utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular
Directly ", the orientation of the instruction such as " level ", " interior ", " outer " or position relationship are based on orientation shown in the drawings or position relationship, are only
Described for the ease of description the utility model and simplifying, rather than instruction or imply signified device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In addition, term " the
One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that instruction or hint relative importance.
A kind of well lid unlocking key as depicted, it is characterised in that by all-or-nothing piece 1, expansion link 2, the three parts of handheld ring 3
Composition, the top of the all-or-nothing piece 1 are provided with laterally vertically disposed support arm 4, the all-or-nothing piece 1 and are provided with through hole, and support arm 4 is vertical
Through through hole, to ensure the intensity of all-or-nothing piece, through hole internal diameter is the 1/2-2/3 of all-or-nothing piece cylinder external diameter, the all-or-nothing piece 1 it is another
One end is provided with internal thread, is spirally connected with the male end of expansion link 2, and one end of the handheld ring 3 is provided with external screw thread, with expansion link 2
Female end be spirally connected, the other end of handheld ring 3 is annular handle portion 5.
Further, the cross section of the support arm 4 is triangle, rhombus, pentagon or hexagon, the cross section of through hole and branch
The cross section of arm 4 is identical.
Further, the cross section of the support arm 4 is circle, and the cross section of through hole is circle, is provided with the outer wall of support arm 4
External screw thread, support arm 4 pass through through hole, and both ends pass through screw threads for fastening.
Further, the expansion link 2 is that side has an external screw thread, and opposite side is the cylinder of internal thread, major diameter of external thread
For the 1/2-2/3 of cylinder external diameter.
Further, the cross section of the expansion link 2 is even number regular polygon, such as regular hexagon, octagon, described to open
It is consistent with expansion link 2 to open the cross section of bar 1, the handheld ring 3 is consistent with expansion link 3 with the cross section of the connection end of expansion link 2.
The two-phase support arm 4 of well cover key all-or-nothing piece 1 is located at the end of straight bar part, is fixed by latch welding manner, branch
The cross sectional shape of arm 4 can be triangle, circular, square or other shapes.Expansion link 2 is that side has outer spiral shell
Line, opposite side are the cylinder of internal thread, and major diameter of external thread is the 1/2-2/3 of cylinder external diameter, is connected through a screw thread mode with opening
Open bar 1 and handheld ring 3 is fixed.Handheld ring 3 is the oval portable key ring for having unidirectional external screw thread connected mode.All-or-nothing piece 1,
Expansion link 2, handheld ring 3 are made using tool steel.
Finally it should be noted that：Various embodiments above is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the utility model is described in detail with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：It can still modify to the technical scheme described in foregoing embodiments, either to which part or whole
Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical scheme of type.
Claims (5)
1. a kind of well lid unlocking key, it is characterised in that be made up of all-or-nothing piece, expansion link, handheld ring three parts, the all-or-nothing piece
Top be provided with laterally vertically disposed support arm, the all-or-nothing piece and be provided with through hole, support arm passes perpendicularly through through hole, to ensure unlatching
The intensity of bar, through hole internal diameter are the 1/2-2/3 of all-or-nothing piece cylinder external diameter, and the other end of the all-or-nothing piece is provided with internal thread, with stretching
The male end threaded connection of contracting bar, one end of the handheld ring are provided with external screw thread, are threadedly coupled with the female end of expansion link,
The other end of handheld ring is annular handle portion.
2. a kind of well lid unlocking key according to claim 1, it is characterised in that the cross section of the support arm is triangle
Shape, rhombus, pentagon or hexagon, the cross section of through hole are identical with the cross section of support arm.
A kind of 3. well lid unlocking key according to claim 1, it is characterised in that the cross section of the support arm is circle,
The cross section of through hole is circle, external screw thread is provided with the outer wall of support arm, support arm passes through through hole, and both ends pass through screw threads for fastening.
4. a kind of well lid unlocking key according to claim 1, it is characterised in that the expansion link is that side has outer spiral shell
Line, opposite side are the cylinder of internal thread, and major diameter of external thread is the 1/2-2/3 of cylinder external diameter.
5. a kind of well lid unlocking key according to claim 1, it is characterised in that the cross section of the expansion link is even number
Regular polygon, the cross section of the all-or-nothing piece is consistent with expansion link, the cross section of the connection end of the handheld ring and expansion link with
Expansion link is consistent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720399987.8U CN206752520U (en) | 2017-04-17 | 2017-04-17 | A kind of well lid unlocking key |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720399987.8U CN206752520U (en) | 2017-04-17 | 2017-04-17 | A kind of well lid unlocking key |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206752520U true CN206752520U (en) | 2017-12-15 |
Family
ID=60614090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720399987.8U Expired - Fee Related CN206752520U (en) | 2017-04-17 | 2017-04-17 | A kind of well lid unlocking key |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206752520U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109653600A (en) * | 2018-11-13 | 2019-04-19 | 山东康威通信技术股份有限公司 | A kind of password setting device of well lid mechanical lock and mechanical lock using the device |
-
2017
- 2017-04-17 CN CN201720399987.8U patent/CN206752520U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109653600A (en) * | 2018-11-13 | 2019-04-19 | 山东康威通信技术股份有限公司 | A kind of password setting device of well lid mechanical lock and mechanical lock using the device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171215 Termination date: 20200417 |