CN203440835U - Hinge type anti-theft well lid - Google Patents

Abstract

The utility model discloses a hinge type anti-theft well lid. The hinge type anti-theft well lid comprises an annular well ring and a circular lid body connected with a well ring hinge. A lid-uncovering operation hole is formed in the far end of the hinge of the lid body, a protecting lock installing support is arranged at the lid-uncovering operation position at the inner side face of the lid body, a protecting lock comprises a bolt with a triangular bolt head and a locking plate connected to the tail end of the bolt, the bolt is in threaded connection with the protecting lock installing support, and the locking plate can rotate to the lower portion of the well ring. According to the hinge type anti-theft well lid, due to the fact that the protecting lock is arranged on the lid body connected with the well ring hinge, and the bolt head of the protecting lock is designed to be triangular, and the mechanical locking function of the well lid during the using process is achieved, so that the well lid can be uncovered only by professional sleeve tools, the anti-theft performance of the well lid is greatly improved, and the safety performance of the well lid is also improved.

Description

A kind of hinge type anti-theft well lid

Technical field

The utility model relates to a kind of manhole well lid, particularly relates to a kind of manhole anti-stealing manhole cover.

Background technology

Power check well is one of basic common structure, and current power check well well lid scarcely has anti-theft feature, so in use usually stolen by lawless person, not only causes the destruction of communal facility, also has influence on people's life safety simultaneously.Current existing its theft-prevention structure of manhole well lid is very complicated, not only manufacturing cost higher and also be not easy to operation.

Utility model content

Technical problem to be solved in the utility model is to provide a kind of simple in structure and easy to operate hinge type anti-theft well lid.

In order to solve the problems of the technologies described above, the utility model adopts following technical scheme:

A kind of hinge type anti-theft well lid; comprise ring-type walling crib and with the hinged circular lid of walling crib; the hinge far-end of described lid offers to take off and builds handle hole; the taking off of described lid medial surface covered handle hole place and is provided with protection lock mounting bracket; described protection lock comprises the bolt and the locking plate that is connected to bolt tail end with triangle bolt head; described bolt is threaded with protection lock mounting bracket, and described locking plate can rotate to walling crib below.

As preferably, described walling crib is connected by leaf hinge with lid.

As preferably, described walling crib oral area is provided with rubber washer.

As preferably, described in take off and build handle hole for oval.

As preferably, described protection lock mounting bracket is welded on lid.

As preferably, described bolt material is stainless steel.

A kind of hinge type anti-theft well lid of the utility model; by protection lock being set on the lid with walling crib hinge; and the bolt head in protection lock is designed to triangle; realize well lid machinery in use and pinned function; so just need to use special sleeve tool for same just can open; greatly improve the theftproof performance of well lid, also improved its security performance.A kind of hinge type anti-theft well lid of the utility model, architecture advances is simple, uses easy and simple to handle.

Accompanying drawing explanation

Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.

Fig. 1 is the structural representation of a kind of hinge type anti-theft well lid of the utility model.

Fig. 2 is the structural representation of protection lock in the utility model

Wherein, Reference numeral: 1 is walling crib, 2 is lid, and 3 build handle hole for taking off, and 4 is protection lock mounting bracket, and 5 is bolt, and 6 is locking plate, and 7 is loose-leaf, and 8 is rubber washer.

The specific embodiment

Disclosed all features in this manual, or the step in disclosed all methods or process, except mutually exclusive feature and/or step, all can combine by any way.

Disclosed arbitrary feature in this manual, unless narration especially all can be replaced by other equivalences or the alternative features with similar object.That is,, unless narration especially, each feature is an example in a series of equivalences or similar characteristics.

As depicted in figs. 1 and 2; a kind of hinge type anti-theft well lid of the utility model; comprise ring-type walling crib 1 and with the hinged circular lid 2 of walling crib; the hinge far-end of described lid 2 offers to take off and builds handle hole 3; the taking off of described lid 2 medial surfaces covered handle hole place and is provided with protection lock mounting bracket 4; described protection lock comprises the bolt 5 and the locking plate 6 that is connected to bolt tail end with triangle bolt head, and described bolt 5 is threaded with protection lock mounting bracket 4, and described locking plate 6 can rotate to walling crib 1 below.

As depicted in figs. 1 and 2, in a kind of hinge type anti-theft well lid of the utility model, walling crib 1 and lid 2, by loose-leaf 7 chain connections, are easy to processing and assembling.Walling crib 1 oral area is provided with rubber washer 8, can play the effect of waterproof shock-absorbing.Take off and build handle hole 3 for oval, be convenient to open well lid by instrument.Protection lock mounting bracket 4 is welded on lid 2, connects very firm.In order to guarantee the stainless property of bolt 5, bolt 5 materials adopt stainless steel.

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 (6)

1. a hinge type anti-theft well lid; comprise ring-type walling crib (1) and with the hinged circular lid of walling crib (2); it is characterized in that: the hinge far-end of described lid (2) offers to take off and builds handle hole (3); the taking off of described lid (2) medial surface covered handle hole place and is provided with protection lock mounting bracket (4); described protection lock comprises with the bolt of triangle bolt head (5) and is connected to the locking plate (6) of bolt tail end; described bolt (5) is threaded with protection lock mounting bracket (4), and described locking plate (6) can rotate to walling crib (1) below.

2. a kind of hinge type anti-theft well lid according to claim 1, is characterized in that: described walling crib (1) and lid (2) are by loose-leaf (7) chain connection.

3. a kind of hinge type anti-theft well lid according to claim 1 and 2, is characterized in that: described walling crib (1) oral area is provided with rubber washer (8).

4. a kind of hinge type anti-theft well lid according to claim 1, is characterized in that: described in take off and build handle hole (3) for oval.

5. a kind of hinge type anti-theft well lid according to claim 1, is characterized in that: described protection lock mounting bracket (4) is welded on lid (2).

6. a kind of hinge type anti-theft well lid according to claim 1, is characterized in that: described bolt (5) material is stainless steel.

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