CN108138515B

CN108138515B - Cylinder lock

Info

Publication number: CN108138515B
Application number: CN201680051504.3A
Authority: CN
Inventors: 石塚贵士; 佐佐木光生; 宫田和宏; 山元崇
Original assignee: Honda Corp
Current assignee: Meibei Zhilian Science And Technology Innovation Parts Co ltd
Priority date: 2015-09-08
Filing date: 2016-06-29
Publication date: 2019-11-15
Anticipated expiration: 2036-06-29
Also published as: WO2017043158A1; JP2017053124A; JP6389157B2; CN108138515A

Abstract

A kind of cylinder lock, rotor with keyhole is rotatably inserted into outer cylinder, rotor is held in by the pellet that the hardness material lower than mechanical key is constituted, the pellet can be released and be switched between the state of the engaging of outer cylinder to the insertion of keyhole in the state engaged with outer cylinder and according to mechanical key, cleaning pellet (43) has the sliding contact portion (45) of key bit (41) sliding contact that can have with mechanical key (11), it is made of the hardness material lower than mechanical key (11), the direction of insertion that the cleaning pellet (43) is inserted into along mechanical key (11) to keyhole is being disposed in rotor (13) than the position of pellet rearward, and the cleaning pellet (43) makes sliding contact portion (45) when being inserted into mechanical key (11) to keyhole Key bit (41) sliding contact with mechanical key (11) first than pellet.It can prevent dust from entering cylinder side being attached with dust on key bit as a result, prevent the abrasion of pellet and movement bad.

Description

Cylinder lock

Technical field

The present invention relates to a kind of cylinder locks, have the rotor for the keyhole for being inserted into mechanical key by can rotate Mode insert in outer cylinder, the rotor is held in by the pellet that the hardness material lower than the mechanical key is constituted, The pellet can the state engaged with the outer cylinder and according to the mechanical key to the insertion of the keyhole and release with It is switched between the state of the engaging of the outer cylinder.

Background technique

Pass through the equal known such cylinder lock of patent document 1.

Existing technical literature

Patent document

Patent document 1: Japanese Unexamined Patent Publication 2013-227761 bulletin

Summary of the invention

Subject to be solved by the invention

But in an invention disclosed in the above Patent Document 1, when mechanical key is attached with dust on its key bit Under state and when being directly inserted into the keyhole of rotor, key bit by between pellet there are dust in a manner of moved Dynamic, dust functions as grinding agent and causes pellet ground with respect to the bearing surface of key bit, may cause mechanical key With the mismatch of pellet.In addition, dust enters when being set in the movement hole of rotor in a manner of sliding and keeping pellet, it can The movement that pellet can be generated is bad.

Given this situation the present invention completes, its purpose is to provide a kind of cylinder locks, even if on key bit It is attached with dust, can also prevent dust from entering cylinder side, the abrasion of pellet and movement can be prevented bad.

Means for solving the problems

In order to achieve the above objectives, the present invention provides a kind of cylinder lock, has the keyhole for being inserted into mechanical key Rotor is rotatably inserted in outer cylinder, the pellet quilt being made of the hardness material lower than the mechanical key Be held in the rotor, the pellet can the state engaged with outer cylinder and according to the mechanical key to the keyhole It is inserted into and releases and switched between the state of the engaging of the outer cylinder, which is characterized in that

Cleaning pellet is made of the hardness material lower than the mechanical key, with what can be had with the mechanical key The sliding contact portion of key bit sliding contact, the insertion side which is inserted into along the mechanical key to the keyhole To the rotor is being disposed in than the position of the pellet rearward, which is being inserted into institute for the mechanical key Make the sliding contact portion key bit sliding contact with the mechanical key more first than the pellet when stating in keyhole.

Invention effect

Features described above according to the present invention, when mechanical key to be inserted into the keyhole of rotor, even if in machinery Dust is attached on the key bit of key, key bit is contacting the preceding sliding contact portion sliding contact with the net pellet of knot with pellet, The dust of key bit is eliminated by the sliding contact portion, therefore, there is no ashes between the key bit and pellet of mechanical key Dirt can prevent that the abrasion of pellet and movement are bad.Moreover, because the material that cleaning pellet is lower than mechanical key by hardness It constitutes, therefore inhibits the abrasion with mechanical key caused by the sliding contact of cleaning pellet.

Detailed description of the invention

Fig. 1 is the side view of cylinder lock and mechanical key.(first embodiment)

Fig. 2 is the mian part exploded perspective view of cylinder lock.(first embodiment)

Fig. 3 is the mian part longitudinal section view of cylinder lock, is the cross-sectional view along the 3-3 line of Fig. 4.(first embodiment)

Fig. 4 is the cross-sectional view of the 4-4 line along Fig. 1.(first embodiment)

Fig. 5 is the cross-sectional view of the 5-5 line along Fig. 1.(first embodiment)

Fig. 6 is the cross-sectional view of the 6-6 line along Fig. 6.(first embodiment)

Label declaration

11: mechanical key

12: keyhole

13: rotor

14: outer cylinder

15,16,17,18,19,20: half pellet

21: full pellet

34: direction of insertion

41,42: key bit

45,46: sliding contact portion

43,44: cleaning pellet

Specific embodiment

Hereinafter, embodimentsing of the present invention will be described while referring to attached drawing 1~6.

First embodiment

Firstly, in FIG. 1 to FIG. 3, locking of the cylinder lock for example for the door lock mechanism to the car door for being set to vehicle State and non-locking state switch over, and the rotor 13 of the cylinder lock has the keyhole 12 for being inserted into mechanical key 11, Rotor 13, which rotatably inserts, to be held in fixed outer cylinder 14.

Every group of a pair of multiple groups such as three and half pellets 15,16,17,18,19,20 are along mechanical key 11 to the key The compartment of terrain that is spaced of direction of insertion 34 that hole 12 is inserted into is held in the rotor 13, half pellet 15,16,17,18,19,20 Can the state engaged with the outer cylinder 14 and according to the mechanical key 11 to the insertion of the keyhole 12 and release with It is switched between the state of the engaging of the outer cylinder 14.In addition, full pellet 21 than in half pellet 15~20 along The position that half pellet 19,20 of the front end of the direction of insertion 34 also proximates front is held in the rotor 13, the full pellet 21 can release in the state engaged with the outer cylinder 14 and to the insertion of the keyhole 12 according to mechanical key 11 and institute It states and is switched between the state of the engaging of outer cylinder 14.

Referring concurrently to Fig. 4 and Fig. 5, the outer cylinder 14, which has, rotatably to be inserted, keeps the rotor 13 Retaining hole 22 inner circumferential of the retaining hole 22 is provided with the two groups of pairs of engaging slots 23 extended in the axial direction.Half bullet Son 15~20 is able to slidably insert movement hole 24,25；26,27；28, in 29, the movement hole 24,25；26,27；28, 29 interval in a manner of along the plane vertical with the axis of the keyhole 12 in the axial direction of the rotor 13 Three positions a pair is respectively set, be respectively interposed in the spring 31 of the coiled type between half pellet 15~20 and rotor 13 to institute It states half pellet 15~20 and is accommodated in the movement to the mode to exert a force with a direction engaged in the engaging slot 23 In hole 24~29.In addition, the full pellet 21 can slidably be inserted to movement hole 30 in, the movement hole 30 with along with institute The mode for stating the vertical plane of axis of keyhole 12 is set to the rotor 13, between full pellet 21 and rotor 13 The spring 32 of coiled type be accommodated in the movement hole 30.

In the rear end along the direction of insertion 34 of the rotor 13, rotatably by means of fulcrum post 36 It is supported with baffle 35, which can be latched the keyhole 12, the spring members to exert a force to locking direction to the baffle 35 37 are arranged between the baffle 35 and the rotor 13.In addition, along the direction of insertion 34, described baffle 35 Front, be equipped with protector 38 on the rotor 13, the protector 38 for strongly inhibit mechanical key 11 other than Driver etc. enters in the keyhole 12.Also, in the rear end along the direction of insertion 34 of the rotor 13, peace Equipped with lid 40, which has the opening portion 39 for the rectangle for being inserted into the mechanical key 11, which makes the baffle 35 In face of the opening portion 39.

In Fig. 6, the mechanical key 11 be the width direction two sides two sides of the mechanical key 11 have key bit 41, 42 turnable key, for example, being formed by nickeline.In contrast, half pellet 15~20 and the full pellet 21 It is formed by the hardness material such as brass lower than the mechanical key 11.

According to the present invention, the sliding of key bit 41,42 that cleaning pellet 43,44 can have with the mechanical key 11 connects Touching, the cleaning pellet 43,44 with when the mechanical key 11 is inserted into the keyhole 12 than half pellet 15~ 20 mode first with the key bit 41 of the mechanical key 11,42 sliding contacts is disposed in the rotor 13, in the embodiment party In formula, the first and second cleaning pellets 43,44 are along the direction of insertion 34 in the position than half pellet 15~20 rearward It sets and is disposed in the rotor 13.

First and second cleaning pellets 43,44 is formed by the hardness material lower than the mechanical key 11, such as by with institute It states half pellet 15~20 and the 21 i.e. brass of identical material of the full pellet is formed, and be formed to for the mechanical key 11 The shape of insertion.It can be with the key bit of the mechanical key 11 as shown in figure 4, being formed on the first cleaning pellet 43 The sliding contact portion 45 of 41 sliding contacts.In addition, the second cleaning pellet 44 is configured at than first clearly along the direction of insertion 34 The position of clean pellet 43 rearward, as shown in figure 5, being formed on the second cleaning pellet 44 can be with the mechanical key 11 42 sliding contact of the key bit sliding contact portion 46.

First and second cleaning pellets 43,44 can be slidably received in reception hole 49,50, and reception hole 49,50 is with edge The mode of the plane vertical with the axis of the keyhole 12 be arranged on the rotor 13.Spring 47 is set to the first cleaning Between pellet 43 and the rotor 13 and be accommodated in the reception hole 49, by spring 47, the first cleaning pellet 43 by The sliding contact portion 45 and the side of 41 sliding contact of key bit is set to exert a force, in addition, spring 48 is set to the second cleaning pellet It between 44 and the rotor 13 and is accommodated in the reception hole 50, by the spring 48, the second cleaning pellet 44 is by making The sliding contact portion 46 and the side of 42 sliding contact of key bit exert a force.In addition, exerted a force by the spring 47,48 the One and second cleaning pellet 43,44 be prevented from and being abutted with the inner surface of the retaining hole 22 in the outer cylinder 14 from rotor 13 protrude outward.

In addition, being used in all key bit sliding contacts with cleaning pellet and mechanical key, such as house Mechanical key like that only width direction side have key bit so-called monodentate key in the case where, need a cleaning bullet Son, such as in the turnover bidentate as common vehicle mechanical key in width direction two sides with key bit In the case where key, two cleaning pellets are needed, there is the mechanical key 11 of key bit 41,42 on the two sides of width direction two sides In the case where, four cleaning pellets are needed, if but four cleaning pellets are directly disposed in rotor 13, mechanical key 11 It is elongated in the axial direction with rotor 13, lead to the enlargement of cylinder lock.However as the embodiment, mechanical key 11 is in width In the case that there is key bit 41,42 ground use can but may be reversed on the two sides of degree direction two sides, as shown in Figure 4 and Figure 5, pass through Using have can the sliding respectively with the key bit 41 on the two sides of the width direction side of mechanical key 11,42 sliding contacts connect Two cleaning pellets 43,44 of contact portion 45,46, can be with the key of the width direction two sides of the turnable mechanical key 11 used Tooth 41,42 replaces sliding contact, can be avoided the enlargement of cylinder lock.

Next, the effect to the embodiment is illustrated, the first and second cleaning pellets 43,44 have can be with machine The sliding contact portion 45,46 of key bit 41,42 sliding contacts that tool key 11 has, the first and second cleanings pellet 43,44 The direction of insertion 34 being inserted into the keyhole 12 along the mechanical key 11 is than half pellet 15~20 and described complete The position of pellet 21 rearward is disposed in rotor 13, and the first and second cleaning pellet 43,44 is by mechanical key 11 Make the sliding contact portion 45,46 to half pellets 15~20 and full pellet 21 first when being inserted into keyhole 12 and the mechanical key The key bit 41 of spoon 11,42 sliding contacts, therefore, when mechanical key 11 to be inserted into the keyhole 12 of rotor 13, i.e., Make to be attached with dust on the key bit 41,42 of mechanical key 11, key bit 41,42 with half pellet 15~20 and described Sliding contact portion 45,46 sliding contacts that full pellet 21 cleans pellets 43,44 with first and second before contacting, passing through as a result, should Sliding contact portion 45,46 eliminates the dust of key bit 41,42, therefore, in the key bit 41,42 of mechanical key 11 and described half There is no dust between pellet 15~20 and the full pellet 21, half pellet 15~20 and described complete can be prevented The abrasion and movement of pellet 21 are bad.

Moreover, because the first and second cleaning pellets 43,44 are made of the hardness material lower than the mechanical key 11, because This inhibits the abrasion with mechanical key 11 caused by the sliding contact of the first and second cleaning pellets 43,44.

More than, embodiments of the present invention are illustrated, but the present invention is not limited to the above embodiments, is not taking off From being able to carry out various design alterations in the range of its spirit.

Claims

1. a kind of cylinder lock has the rotor (13) for the keyhole (12) for being inserted into mechanical key (11) by can rotate Mode insert in the outer cylinder (14), be made of the hardness material lower than the mechanical key (11) pellet (15,16,17, 18, the rotor (13) 19,20,21) are held in, which can be in the state engaged with outer cylinder (14) and according to described The insertion of mechanical key (11) Xiang Suoshu keyhole (12) and release and cut between the state of the engaging of the outer cylinder (14) It changes, which is characterized in that

Cleaning pellet (43,44) is made of the hardness material lower than the mechanical key (11), and having can be with the mechanical key The sliding contact portion (45,46) of key bit (41,42) sliding contact that spoon (11) has, the cleaning pellet (43,44) is along institute The direction of insertion (34) of mechanical key (11) Xiang Suoshu keyhole (12) insertion is stated rearward than the pellet (15~21) Position is disposed in the rotor (13), which is being inserted into the key for the mechanical key (11) Make the sliding contact portion (45,46) first more described with the mechanical key (11) than the pellet (15~21) when in hole (12) Key bit (41,42) sliding contact.