CN203905058U

CN203905058U - Anti-theft well lid and opener thereof

Info

Publication number: CN203905058U
Application number: CN201420206888.XU
Authority: CN
Inventors: 克新文
Original assignee: KUNMING YUYUN COMMUNICATION TECHNOLOGY Co Ltd
Current assignee: KUNMING YUYUN COMMUNICATION TECHNOLOGY Co Ltd
Priority date: 2014-04-26
Filing date: 2014-04-26
Publication date: 2014-10-29
Anticipated expiration: 2024-04-26

Abstract

The utility model relates to an anti-theft well lid and an opener thereof. The anti-theft well lid comprises a well lid wall, and further comprises a well lid and a key, wherein the well lid is mounted on the well lid wall; lock holes are formed in the well lid, and are provided with cylindrical smooth walls; a screw rod, a pad, a buffer spring, a baffle and fixing nuts are arranged in sequence at the lower end of each lock hole; an irrigation hole and a water outlet hole are further formed in the well lid; a linking vertical chain is mounted at the lower end of the well lid; the key comprises a key handle, a rotating handle and an expanding key bit; the diameter of the cylindrical expanding key bit is equal to that of the lock hole; the expanding key bit is mounted into the lock hole. The lock holes are provided with the cylindrical smooth walls, so that the general tool cannot exert force when used for opening the well lid, and the anti-theft effect is achieved; a non-special opener cannot open the well lid, and the anti-theft well lid is good in anti-theft and anti-opening function, simple in structure, convenient to operate, economical and practical.

Description

A kind of anti-stealing manhole cover and opener thereof

Technical field

The utility model relates to communication servicing unit technical field, relates in particular to a kind of anti-stealing manhole cover and opener thereof.

Background technology

Existing well lid unlocking tool is fairly simple, easily copy, cause well lid easily lose or be opened, the well lid of losing easily causes any property loss and causes road safety hidden danger, if people enters underground pipeline after well lid is opened, the one, easily cause communication apparatus to destroy, the two has a strong impact on entering people's life security of pipeline; Lockhole on some well lid is non-cylindrical hydraulically smooth surface, and this makes general purpose tool open manhole cover, and this does not play anti-theft effect, lacks specialized opener instrument on the well lid also having, and antitheft anti-open function weak effect can not meet the demand of reality.

Utility model content

The purpose of this utility model is in order to overcome the deficiencies in the prior art, and a kind of anti-stealing manhole cover and opener thereof are provided.

The utility model is to be achieved through the following technical solutions:

A kind of anti-stealing manhole cover and opener thereof, comprise well lid wall, also comprise well lid and key, described well lid is provided with lockhole, and described lockhole is cylindrical hydraulically smooth surface, and the lower end of lockhole is provided with screw rod, pad, buffer spring, catch and hold-down nut successively, described key is comprised of key handle, rotating handle and expansion key bit, described expansion key bit is cylindrical, and the diameter of expansion key bit equals the diameter of lockhole, and described expansion key bit is arranged in lockhole; Described well lid is arranged on well lid wall, is also provided with water irrigating hole and weep hole on well lid, and the lower end of well lid is provided with the vertical chain of link; Described water irrigating hole and weep hole all have one at least, and the both sides of symmetrical well lid; Described lockhole has two, and is symmetrically distributed on well lid.

During on-the-spot use, operating personnel insert lockhole by expansion key bit, then twist a rotating handle downwards, the key bit that makes to expand expands and becomes large, is tightly stuck in lockhole, then turns key handle, under the effect of friction, turn pattern manhole cover lock, thereby drive catch bottom to rotate to well inner side (originally thinking that catch was positioned at well lid wall below, so well lid cannot be pulled open), thereby open well lid.

Compared with prior art, the beneficial effects of the utility model are: the utility model is cylindrical hydraulically smooth surface by lockhole is set, and it is to exert oneself that general purpose tool is opened, and this plays anti-theft effect; Non-specialized opener cannot be opened this well lid, and antitheft anti-open function is good, and simple in structure, easy to operate, economical and practical.

Accompanying drawing explanation

Fig. 1 is structural representation of the present utility model;

Fig. 2 is the structural representation of well lid of the present utility model;

Fig. 3 is the structural representation of the vertical chain of the utility model band link;

In figure: 1, well lid; 2, well lid wall; 3, lockhole; 31, pad; 32, buffer spring; 33, screw rod; 34, catch; 35, hold-down nut; 4, water irrigating hole; 5, weep hole; 6, the vertical chain of link; 7, key; 71, key handle; 72, rotating handle; 73, expansion key bit.

The specific embodiment

In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.

Refer to Fig. 1, Fig. 1 is structural representation of the present utility model.

Described a kind of anti-stealing manhole cover and opener thereof, comprise well lid wall 2, also comprise well lid 1 and key 7, described well lid 1 is arranged on well lid wall 2, well lid 1 is provided with lockhole 3, described lockhole 3 has two, and be symmetrically distributed on well lid 1, lockhole 3 is cylindrical hydraulically smooth surface, this opens general purpose tool is to exert oneself, this plays anti-theft effect, the lower end of lockhole 3 is provided with screw rod 33 successively, pad 31, buffer spring 32, catch 34 and hold-down nut 35, on well lid 1, be also provided with water irrigating hole 4 and weep hole 5, described water irrigating hole 4 and weep hole 5 all have one, and the both sides of symmetrical well lid 1, the lower end of well lid 1 is provided with the vertical chain 6 of link, described key 7 is by key handle 71, rotating handle 72 and expansion key bit 73 form, without key 7, cannot open this well lid 1, antitheft anti-open function is good, described expansion key bit 73 is cylindrical, the diameter of expansion key bit 73 equals the diameter of lockhole 3, described expansion key bit 73 is arranged in lockhole 3.

During on-the-spot use, operating personnel insert lockhole 3 by expansion key bit 73, then twist a rotating handle 72 downwards, the key bit 73 that makes to expand expands and becomes large, is tightly stuck in lockhole 3, then turns key handle 71, under the effect of friction, turn pattern manhole cover lock, thereby drive catch 34 bottom to rotate to well inner side (originally thinking that catch 34 was positioned at well lid wall 2 belows, so well lid 1 cannot be pulled open), thereby open well lid 1.

The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.

Claims

1. an anti-stealing manhole cover and opener thereof, comprise well lid wall (2), it is characterized in that: also comprise well lid (1) and key (7), described well lid (1) is provided with lockhole (3), described lockhole (3) is cylindrical hydraulically smooth surface, the lower end of lockhole (3) is provided with screw rod (33) successively, pad (31), buffer spring (32), catch (34) and hold-down nut (35), described key (7) is by key handle (71), rotating handle (72) and expansion key bit (73) form, described expansion key bit (73) is cylindrical, the diameter of expansion key bit (73) equals the diameter of lockhole (3), described expansion key bit (73) is arranged in lockhole (3), it is upper that described well lid (1) is arranged on well lid wall (2), is also provided with water irrigating hole (4) and weep hole (5) on well lid (1), and the lower end of well lid (1) is provided with the vertical chain (6) of link, described water irrigating hole (4) and weep hole (5) all have one at least, and the both sides of symmetrical well lid (1), described lockhole (3) has two, and is symmetrically distributed on well lid (1).