CN210369055U - Novel anti-theft well lid - Google Patents
Novel anti-theft well lid Download PDFInfo
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- CN210369055U CN210369055U CN201921088346.6U CN201921088346U CN210369055U CN 210369055 U CN210369055 U CN 210369055U CN 201921088346 U CN201921088346 U CN 201921088346U CN 210369055 U CN210369055 U CN 210369055U
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- well lid
- key
- sleeve
- compression spring
- novel anti
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Abstract
The utility model belongs to the technical field of well lid, concretely relates to novel anti-theft well lid, including well lid seat, well lid and key, the inboard of well lid seat has the flange, the inboard of well lid is provided with elasticity self-lock device, elasticity self-lock device includes sleeve and the lockpin that wears to establish in the sleeve, the muffjoint is fixed on the well lid, the both ends of lockpin are hasp end and operation end respectively, the operation end has a baffle, the cover is equipped with first compression spring on the lockpin, first compression spring is located the sleeve, the lockpin is hasp end and flange phase-locked under the effect of first compression spring, be provided with the key hole on the well lid, it is provided with the plectrum that is used for offsetting with the baffle to rotate on the key, still be provided with on the key and be used for promoting the plectrum; the utility model discloses a novel theftproof well lid structure is ingenious, and elasticity self-lock device and key looks adaptation are difficult for opening with well lid safe and reliable under the condition of no key, open easily under the condition that possess this key, make the well lid be difficult for losing.
Description
Technical Field
The utility model belongs to the technical field of the well lid, concretely relates to novel theftproof well lid.
Background
The well lid in the prior art is easy to lose due to no lock, thereby causing potential safety hazards of vehicles and pedestrians; and some well lids with locks are not easy to open after installation, which brings certain trouble to maintenance.
SUMMERY OF THE UTILITY MODEL
In order to solve the above-mentioned problem that prior art exists, the utility model provides a novel theftproof well lid does not have the theftproof function or has the theftproof function but is difficult for opening the condition that causes the maintenance difficulty and research and development to prior art's well lid, and the structure is ingenious, and well lid safe and reliable is difficult for opening under the condition that does not have the key, opens easily under the condition that possess the key of adaptation, makes the well lid be difficult for losing, and it is also very convenient to overhaul.
The utility model discloses a following technical scheme specifically realizes:
the utility model discloses a novel theftproof well lid, including well lid seat, well lid and key, the inboard of well lid seat has the flange, the inboard of well lid is provided with elasticity self-lock device, elasticity self-lock device includes the sleeve and wears to establish lockpin in the sleeve, the sleeve passes through bolted connection to be fixed on the well lid, the both ends of lockpin are hasp end and operation end respectively, the operation end has a baffle, the lockpin endotheca is equipped with first compression spring, first compression spring is located in the sleeve, the lockpin is in under first compression spring's the effect the hasp end with the flange is buckled mutually.
Furthermore, a key hole is formed in the well cover, a shifting piece used for abutting against the baffle is rotatably arranged on the key, and a telescopic reset mechanism used for pushing the shifting piece to rotate is further arranged on the key.
Furthermore, a first blocking portion is arranged at one end, close to the operating end, of the sleeve, a second blocking portion is arranged at one side, close to the locking end, of the lock pin, and the first compression spring is located between the first blocking portion and the second blocking portion.
Further, the key includes the key cover, flexible canceling release mechanical system includes that ejector pin and cover establish second compression spring on the ejector pin, the ejector pin with key cover sliding fit, the key cover has the third portion of keeping off, be provided with the fourth portion of keeping off on the ejector pin, the third keeps off the position in the below of fourth portion of keeping off, second compression spring be located the third keep off the portion with between the fourth portion of keeping off.
Furthermore, an operating handle is further arranged on the key sleeve.
Further, the key sleeve comprises a first sleeve and a second sleeve coaxially connected, the first sleeve having a diameter larger than a diameter of the second sleeve; the first sleeve is internally provided with a first cavity, the second sleeve is internally provided with a second cavity, the diameter of the first cavity is larger than that of the second cavity, the second compression spring is positioned in the first cavity, and a step surface formed by communicating the first cavity with the second cavity forms the third blocking part.
Furthermore, the key sleeve and the ejector rod are both structural parts made of stainless steel materials.
Further, the plectrum includes integrative connecting portion and stirring portion, connecting portion with the lower extreme of second cover is rotated and is connected.
Furthermore, the upper end of the ejector rod is also provided with a pressing seat.
Furthermore, the inner side of the well lid is also provided with a positioning cylinder communicated with the key hole.
Based on above technical scheme, the utility model discloses a technological effect does:
the novel anti-theft well lid of the utility model has an ingenious structure, the lock pin of the elastic self-locking device at the inner side of the well lid is inserted below the flange of the well lid seat under the elastic action, and the lock catch is propped against the bottom surface of the flange, so that the well lid can not be opened; when having the key and need open the well lid, insert the key into the key hole, the plectrum rotates when promoting flexible canceling release mechanical system, makes the plectrum offset with the baffle of lockpin operation end, rotates the key, and the plectrum promotes the baffle and removes and make the hasp end withdraw from the flange and realize unblanking, and elasticity self-lock device and key looks adaptation, well lid safe and reliable is difficult for opening under the condition of no key, opens easily under the condition that possess this key, makes the well lid difficult for losing.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a novel anti-theft well cover according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a key according to an embodiment of the present invention;
fig. 3 is a schematic structural view of an elastic self-locking device according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a shifting piece according to an embodiment of the present invention;
in the figure:
1-a well lid seat, 101-a flange;
2-well cover, 201-keyhole, 202-positioning cylinder;
3-key, 301-key sleeve, 3011-first sleeve, 3012-second sleeve, 3013-third blocking part, 302-ejector rod, 3021-fourth blocking part, 303-second compression spring, 304-plectrum, 305-operating handle; 306-a pressing seat;
4-elastic self-locking device, 401-sleeve, 4011-first stop, 402-locking pin, 4021-second stop, 403-stop, 404-first compression spring.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Example (b):
as shown in fig. 1 to 4, the embodiment provides a novel anti-theft well lid, which includes a well lid base 1, a well lid 2 and a key 3, wherein a flange 101 is provided on an inner side of the well lid base 1, an elastic self-locking device 4 is provided on an inner side of the well lid 2, the elastic self-locking device 4 includes a sleeve 401 and a lock pin 402 inserted into the sleeve 401, the sleeve 401 is fixed on the well lid 2 through a bolt, two ends of the lock pin 402 are respectively a lock end and an operating end, the operating end has a baffle 403, a first compression spring 404 is sleeved on the lock pin 402, the first compression spring 404 is located in the sleeve 401, and the lock end of the lock pin 402 is locked with the flange 101 under the action of the first compression spring 404;
be provided with key hole 201 on the well lid 2, rotate on the key 3 be provided with be used for with the plectrum 304 that baffle 403 offseted, still be provided with on the key 3 and be used for promoting plectrum 304 pivoted flexible canceling release mechanical system.
When the novel anti-theft well lid is specifically applied, the well lid seat 1 is fixedly buried at a well opening, the well lid 2 covers the well lid seat 1, the lock pin 402 of the elastic self-locking device at the inner side of the well lid 2 is inserted into the lower part of the flange 101 of the well lid seat 1 under the elastic action, the well lid 2 is uncovered under the condition that the key 3 is not available, and the lock catch 402 abuts against the bottom surface of the flange 101 so that the well lid 2 cannot be opened; when a key 3 needs to open the well lid 2, the key 3 is inserted into the key hole 201, the telescopic reset mechanism is pushed to enable the poking piece 3 to rotate around the rotating shaft of the key, the poking piece 3 is changed from a vertical state to a horizontal state, the poking piece 304 is enabled to abut against a baffle 403 at the operating end of the lock pin 402, the key 3 is rotated again, the poking piece 301 pushes the baffle 403 to move, the lock catch end is enabled to exit from the flange 101, and at the moment, the well lid 2 is unlocked.
Specifically, in order to lock the well lid 2 without an external force, the sleeve 401 has a first stopper 4011 at one end close to the operating end, the lock pin 402 has a second stopper 4021 at one side close to the locking end, and the first compression spring 404 is located between the first stopper 4011 and the second stopper 4021.
In this embodiment, the key 3 includes a key sleeve 301, the telescopic reset mechanism includes a plunger 302 and a second compression spring 303 sleeved on the plunger 302, the plunger 302 is in sliding fit with the key sleeve 301, the key sleeve 301 has a third stop 3013, the plunger 302 is provided with a fourth stop 3021, the third stop 3013 is located below the fourth stop 3021, and the second compression spring 303 is located between the third stop 3013 and the fourth stop 3021, based on this structure, when in specific use, the plunger 302 is pressed down to make the lower end of the plunger 302 abut against the blade 301 to rotate the blade 301, the extended part of the blade 3 abuts against the baffle 403, and then the key 3 is rotated to pull out the lock pin 402 to unlock.
As a further improvement of this embodiment, the key sleeve 301 is further provided with an operating handle 305, which is convenient to hold.
In this embodiment, the key sleeve 301 includes a first sleeve 3011 and a second sleeve 3012 connected coaxially, and the diameter of the first sleeve 3011 is larger than that of the second sleeve 3012; the first sleeve 3011 is provided with a first cavity, the second sleeve 3012 is provided with a second cavity, the diameter of the first cavity is larger than that of the second cavity, the second compression spring 303 is located in the first cavity, and a step surface formed by communicating the first cavity with the second cavity forms the third blocking portion 3013.
As a further improvement of this embodiment, the key sleeve 301 and the plunger 302 are both made of stainless steel, so as to prolong the service life of the key 3.
As a further improvement of this embodiment, the poking piece 304 includes an integrally connected connecting portion and a poking portion, the connecting portion is connected with the lower extreme of the second set 3012 in a rotating manner, the poking portion is used for abutting against the baffle 403, the poking piece 304 is in a vertical state under the natural state, the poking portion is rotated and extended out to unlock under the action of the ejector rod 302, the aperture of the keyhole 201 can be effectively reduced, and a thief is prevented from unlocking by using other tools under the condition that the aperture is large.
As a further improvement of this embodiment, the upper end of the top bar 302 is further provided with a pressing seat 306, which is convenient for pressing the top bar 302 without damaging fingers.
As a further improvement of this embodiment, a positioning cylinder 202 communicated with the key hole 201 is further disposed inside the well lid 2, a lower end of the positioning cylinder 202 corresponds to the position of the baffle 403, when the pulling piece 304 is inside the positioning cylinder 202, the pushing rod 302 is pressed, the pulling piece 304 is blocked by the cylinder wall of the positioning cylinder 202 and cannot rotate, when the pulling piece 304 passes through the positioning cylinder 202, the position of the baffle 403 is reached, and the accuracy of the unlocking operation is improved.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention.
Claims (10)
1. The utility model provides a novel theftproof well lid, includes well lid seat (1), well lid (2) and key (3), its characterized in that: the inner side of the well cover seat (1) is provided with a flange (101), the inner side of the well cover (2) is provided with an elastic self-locking device (4), the elastic self-locking device (4) comprises a sleeve (401) and a lock pin (402) penetrating through the sleeve (401), the sleeve (401) is fixedly connected to the well cover (2), two ends of the lock pin (402) are respectively a lock catch end and an operating end, the operating end is provided with a baffle (403), a first compression spring (404) is sleeved on the lock pin (402), the first compression spring (404) is located in the sleeve (401), and the lock catch end of the lock pin (402) is buckled with the flange (101) under the action of the first compression spring (404);
be provided with key hole (201) on well lid (2), rotate on key (3) be provided with be used for with plectrum (304) that baffle (403) offseted, still be provided with on key (3) and be used for promoting plectrum (304) pivoted flexible canceling release mechanical system.
2. The novel anti-theft well lid according to claim 1, is characterized in that: one end of the sleeve (401) close to the operation end is provided with a first blocking portion (4011), one side of the lock pin (402) close to the locking end is provided with a second blocking portion (4021), and the first compression spring (404) is located between the first blocking portion (4011) and the second blocking portion (4021).
3. The novel anti-theft well lid of claim 2, characterized in that: key (3) include key cover (301), flexible canceling release mechanical system includes ejector pin (302) and cover and establishes second compression spring (303) on ejector pin (302), ejector pin (302) with key cover (301) sliding fit, key cover (301) have third fender portion (3013), be provided with fourth fender portion (3021) on ejector pin (302), third fender portion (3013) are located the below of fourth fender portion (3021), second compression spring (303) are located third fender portion (3013) with between fourth fender portion (3021).
4. The novel anti-theft well lid as claimed in claim 3, characterized in that: the key sleeve (301) is further provided with an operating handle (305).
5. The novel anti-theft well lid as claimed in claim 4, is characterized in that: the key sleeve (301) comprises a first sleeve (3011) and a second sleeve (3012) which are coaxially connected, and the diameter of the first sleeve (3011) is larger than that of the second sleeve (3012); the first set (3011) is provided with a first cavity, the second set (3012) is provided with a second cavity, the diameter of the first cavity is larger than that of the second cavity, the second compression spring (303) is located in the first cavity, and the first cavity and the second cavity are communicated to form a step surface to form the third blocking part (3013).
6. The novel anti-theft well lid according to claim 5, is characterized in that: the key sleeve (301) and the ejector rod (302) are both structural members made of stainless steel materials.
7. The novel anti-theft well lid according to claim 5, is characterized in that: the poking sheet (304) comprises a connecting part and a poking part which are integrally connected, and the connecting part is rotatably connected with the lower end of the second sleeve (3012).
8. The novel anti-theft well lid according to claim 5, is characterized in that: the upper end of the ejector rod (302) is also provided with a pressing seat (306).
9. The novel anti-theft well lid according to claim 1, is characterized in that: the sleeve (401) is connected and fixed with the inner side of the well lid (2) through a bolt.
10. The novel anti-theft well lid according to any one of claims 1 to 5, characterized in that: the inner side of the well lid (2) is also provided with a positioning cylinder (202) communicated with the key hole (201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921088346.6U CN210369055U (en) | 2019-07-11 | 2019-07-11 | Novel anti-theft well lid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921088346.6U CN210369055U (en) | 2019-07-11 | 2019-07-11 | Novel anti-theft well lid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210369055U true CN210369055U (en) | 2020-04-21 |
Family
ID=70270931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921088346.6U Active CN210369055U (en) | 2019-07-11 | 2019-07-11 | Novel anti-theft well lid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210369055U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112127710A (en) * | 2020-09-10 | 2020-12-25 | 珠海市世源光电科技有限公司 | Key of well lid electronic lock and well lid electronic lock assembly |
-
2019
- 2019-07-11 CN CN201921088346.6U patent/CN210369055U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112127710A (en) * | 2020-09-10 | 2020-12-25 | 珠海市世源光电科技有限公司 | Key of well lid electronic lock and well lid electronic lock assembly |
| CN112127710B (en) * | 2020-09-10 | 2022-05-24 | 珠海市世源光电科技有限公司 | Key of well lid electronic lock and well lid electronic lock assembly |
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