CN208137652U

CN208137652U - Telescopic key

Info

Publication number: CN208137652U
Application number: CN201820560497.6U
Authority: CN
Inventors: 唐威
Original assignee: Zhongshan Ruidun Hardware Co ltd
Current assignee: Zhongshan Ruidun Hardware Co ltd
Priority date: 2018-04-08
Filing date: 2018-04-08
Publication date: 2018-11-23
Anticipated expiration: 2028-04-08

Abstract

The utility model belongs to the technical field of the tool to lock, concretely relates to flexible key. It includes the plastic casing that upper and lower cover constitutes, set up the metal key head in the one end of plastic casing, the inboard of upper and lower cover sets up the spout, the metal key head is arranged in follow in the spout slides, set up the spacing groove in the spout of upper and lower cover, with the one end of the metal key head that the spacing groove corresponds sets up the mounting hole, and spacing post is arranged in just both ends are arranged in the mounting hole the spacing inslot is followed the spacing groove slides, the both sides face of key head sets up the screens groove along the slip direction, and the screens pearl is arranged in the screens inslot, the outside of screens pearl sets up the screens spring. The utility model discloses simple structure, only the key head adopts the metal to make, has reduced the metal quantity. The key head can stretch out and draw back in the plastic casing along the spout, in not using the time with the key indentation plastic casing, has reduced the whole size of key, more portable should take, and the security is higher.

Description

A kind of stretchable key

Technical field

The utility model belongs to lock technology field, and in particular to a kind of stretchable key.

Background technique

In order to meet the safety requirements of lockset, the security level of lockset is also continuously improved, and B, C grades of self-lock obtains More applications.Usual key is non-telescoping, and completely it is exposed outside, outside does not have protective case.Since key is all to use Metal is made, and hard material easily damages article.

Utility model content

In view of the shortcomings of the prior art, the utility model provides, a kind of structure is simple, can shorten key entirety ruler Very little, saving metal resource, the stretchable key of more secure and reliable.

To achieve the goals above, the utility model is to realize by the following technical solutions：

A kind of stretchable key comprising the plastic housing that upper and lower cover is constituted, setting metal key in one end of the plastic housing Sliding slot is arranged in head, the inside of the upper and lower cover, and the metal key head is placed in the sliding slot and slides along the sliding slot, described Limiting slot is set in the sliding slot of upper and lower covers, and mounting hole, limited post is arranged in one end of metal key head corresponding with the limiting slot It is placed in the mounting hole and both ends is placed in the limiting slot and slides along the limiting slot, the two sides of the key bit are along cunning Detent slot is arranged in dynamic direction, and detent pearl is placed in the detent slot, and screens spring is arranged in the outside of the detent pearl.

Boss is arranged in the inside of a kind of above-mentioned stretchable key, the upper and lower cover of described plastic housing one end, and the boss is set In in the detent slot.

Spring eye is arranged on the boss of the plastic housing in a kind of above-mentioned stretchable key, and the screens spring is placed in institute It states in spring eye.

Protrusion and groove are respectively set on the binding face of the upper cover and lower cover for a kind of above-mentioned stretchable key, described Protrusion and groove cooperation fastening constitute plastic housing.

The side setting of a kind of above-mentioned stretchable key, one end of the metal key head pushes away contracting platform, the plastic housing Side stroke chamber is set, the contracting platform that pushes away is placed in the intracavitary movement of the stroke.

Beneficial effect：

The utility model is composed of plastic housing and key bit, and structure is simple, and only key bit is made of metal, is reduced Metal consumption.Key bit can be stretched along the chute in plastic housing, and key is retracted in plastic housing when not used, reduces key Overall dimensions, more portable preferably band, and safety is higher.

Detailed description of the invention

It is described in detail the utility model with reference to the accompanying drawings and detailed description；

Fig. 1 is the structural schematic diagram of the utility model.

Fig. 2 is the decomposition texture schematic diagram of the utility model.

Specific embodiment

To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below In conjunction with specific embodiment, the utility model is further described.

Embodiment

Referring to Fig.1, Fig. 2, the utility model include the plastic housing that upper and lower cover 1,2 is constituted, the patch of the upper cover 1 and lower cover 2 Protrusion 3 and groove are respectively set on conjunction face, described raised 3 and groove cooperation fastening constitute plastic housing.One end of the plastic housing Sliding slot 6 is arranged in the inside of interior setting metal key head 5, the upper and lower cover 1,2, and the metal key head 5 is placed in the sliding slot 6 It is interior to be slided along the sliding slot, limiting slot 7, metal key head corresponding with the limiting slot 7 are set in the sliding slot 6 of the upper and lower covers One end mounting hole 8 is set, limited post 9 is placed in the mounting hole 8 and both ends are placed in the limiting slot 7 along the limiting slot Sliding limits key bit in middle slip.Detent slot 10, detent pearl 11 is arranged along glide direction in the two sides of the key bit 5 It is placed in the detent slot 10, screens spring 12 is arranged in the outside of the detent pearl 11.The upper and lower cover of described plastic housing one end Boss 13 is arranged in inside, and the boss 13 is placed in the detent slot 10.Spring eye 14 is set on the boss 13 of the plastic housing, 12 other end of screens spring is placed in the spring eye 14.The side setting of one end of the metal key head 5 pushes away contracting platform 4, stroke chamber is arranged in the side of the plastic housing, and the contracting platform that pushes away is placed in the intracavitary movement of the stroke.

The utility model is composed using plastic housing and metal key head, and plastic housing is two-piece unit, and key bit is in Between can slide, the effect of limited post be limitation key bit in middle slip；Another detent pearl and spring, when key is shifted onto When position, key is blocked, does not allow its retrogressing when being inserted into lock core.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above.Current row The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model Claimed range is defined by the appending claims and its equivalent thereof.

Claims

1. a kind of stretchable key, which is characterized in that including the plastic housing that upper and lower cover is constituted, be arranged in one end of the plastic housing Sliding slot is arranged in metal key head, the inside of the upper and lower cover, and the metal key head is placed in sliding along the sliding slot in the sliding slot It is dynamic, limiting slot is set in the sliding slot of the upper and lower covers, mounting hole is arranged in one end of metal key head corresponding with the limiting slot, Limited post is placed in the mounting hole and both ends are placed in the limiting slot and slide along the limiting slot, the two sides of the key bit Detent slot is arranged along glide direction in face, and detent pearl is placed in the detent slot, and screens spring is arranged in the outside of the detent pearl.

2. a kind of stretchable key according to claim 1, which is characterized in that the upper and lower cover of described plastic housing one end it is interior Boss is arranged in side, and the boss is placed in the detent slot.

3. a kind of stretchable key according to claim 2, which is characterized in that spring is arranged on the boss of the plastic housing Hole, the screens spring are placed in the spring eye.

4. a kind of stretchable key according to claim 1, which is characterized in that on the binding face of the upper cover and lower cover respectively Setting protrusion and groove, the protrusion and groove cooperation fastening constitute plastic housing.

5. a kind of stretchable key according to claim 1, which is characterized in that the side of one end of the metal key head is set It sets and pushes away contracting platform, stroke chamber is arranged in the side of the plastic housing, and the contracting platform that pushes away is placed in the intracavitary movement of the stroke.