CN2707903Y

CN2707903Y - Cylinder cam lock

Info

Publication number: CN2707903Y
Application number: CN 200420037126
Authority: CN
Inventors: 华旭强
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-06-28
Filing date: 2004-06-28
Publication date: 2005-07-06
Anticipated expiration: 2014-06-28

Abstract

The utility model discloses a cylinder cam lock, comprising a lock casing and a lock core. The lock casing is provided with a lock casing cylinder hole in which a hollow cylinder is arranged, and the lock core is provided with a lock core cylinder hole in which a circular cylinder is arranged; a pin is in pin connection with the lock casing and the lock core, the hollow cylinder is sheathed with a compression spring, and the outside of the lock casing cylinder hole is embeddingly sealed with a cover. The shape of the hollow cylinder is a cup-shaped body, the upper part of the hollow cylinder is provided with a hole for sheathing with the compression spring, and the lower part of the hollow cylinder is provided with a cylindrical body whose outer diameter is smaller than the outer diameter of the hollow cylinder. The cylindrical body whose outer diameter is smaller than the outer diameter of the hollow cylinder is arranged at the lower part of the hollow cylinder, so that the mechanical processing accuracies of the lock core and the lock casing can be decreased. The outer diameter of the hollow cylinder is appropriately enlarged as compared with commonly used flat cylinders, and the outer diameter of the cylindrical body at the lower part is appropriately reduced as compared with the commonly used flat cylinders, so that the formed common difference enables the cylindrical body at the lower part of the hollow cylinder to aim at the lock core cylinder hole all the time, once a key is withdrawn, the hollow cylinder can push the cylindrical body at the lower part of the hollow cylinder into the lock core cylinder hole under the action of the compression spring, and the lock core and the lock casing are pinned together, and accordingly, the lock is locked.

Description

A kind of pellet shot from a slingshot turning-bolt lock

Technical field

The utility model relates to a kind of pellet shot from a slingshot turning-bolt lock, is applicable to large-scale production assembling high accuracy lockset needs.

Technical background

The pellet shot from a slingshot of common cylinder lock is contained in respectively in lock body and the lock core marble hole, forms the pellet shot from a slingshot group, and an end of lock spring inserts lock core marble hole under the spring force effect of marble spring, pin lock core, thereby realizes the lock function of cylinder lock; After being equipped with the lock core insertion original key of garden pellet shot from a slingshot, key, lock core and garden pellet shot from a slingshot are isometrical equal with the lock core external diameter, and the feasible column that is positioned at the hollow pellet shot from a slingshot bottom of lock housing one end is ejected lock core marble hole, thereby realizes the unlatching of lock.

Traditional cylinder lock one is because marble spring is short, the power that short spring back stretch is replied than long spring under the situation of much compression distance is big, so Duan spring is contained in the lock the inside like this, the power of key plug is also corresponding wants big, and Here it is, and key plugs one of inflexible reason; The 2nd, because lockset when design, lock core marble hole and the lock housing pellet shot from a slingshot hole axiality after assembling requires very strict, and it is a lot of influence the factor of axiality, and the bad lock of axiality is to be difficult to assembling, and quality also is unsettled after the assembling.As on 01 10th, 2002 apply for that application number is that 02209669.8 Chinese utility model patent discloses cylinder lock, just belongs to this kind.

Summary of the invention

Technical problem to be solved in the utility model is the present situation at prior art, and the pellet shot from a slingshot turning-bolt lock of a kind of precision height, the stable assembling that can be mass-produced of assembly quality is provided.

The utility model solves the problems of the technologies described above the technical scheme that is adopted: a kind of pellet shot from a slingshot turning-bolt lock, comprise lock housing, lock core, the lock housing pellet shot from a slingshot borehole jack that lock housing is shaped on is equipped with hollow pellet shot from a slingshot, lock core is shaped on lock core marble hole and the garden pellet shot from a slingshot that the key tooth flower with key is complementary is housed, the technical measures of taking comprise: described lock housing of a. and lock core pin are connected to pin, hollow pellet shot from a slingshot is set with the compression spring, and embedding envelope in the outside, lock housing pellet shot from a slingshot hole has strip of paper used for sealing; B. hollow pellet shot from a slingshot profile is a goblet, and its top is shaped on the hole of suit compression spring, and the bottom is shaped on the column less than hollow pellet shot from a slingshot external diameter.

For optimizing such scheme, the waist screw thread of above-mentioned lock housing is connected to nut, and is with movable elastic washer between lock housing and nut; The effect of this elastic washer is the whole lock after the assembling, with nut at case or play locking effect fixedly the time cashier's office in a shop and be provided with.

Compared with prior art, the hollow pellet shot from a slingshot profile that the utility model adopts is a goblet, the hole of putting the compression spring is arranged at top, the bottom is shaped on the column less than hollow pellet shot from a slingshot external diameter, its effect is: the one, compare with tradition, the length of compression spring has extended and has made under the situation of much compression distance, and the compressive force that spring is replied reduces, thereby makes key plug easy and flexible; The 2nd, the bottom of hollow pellet shot from a slingshot is manufactured with the column less than hollow pellet shot from a slingshot external diameter, and it improves product percent of pass, and then reduce production costs at the machining accuracy that acts on the lock housing that can reduce lock core; The 3rd, the axiality after assembling requires very strict to lock core marble hole and lock housing pellet shot from a slingshot hole in the lockset design, the external diameter of this hollow pellet shot from a slingshot has suitable amplification than the flat pellet shot from a slingshot of conventional usefulness, bottom column body diameter has than flat pellet shot from a slingshot commonly used and suitably dwindles, this amplify with dwindle difference be exactly the manufacturing tolerance that lock core marble hole and lock housing pellet shot from a slingshot hole additionally can allow, the column of hollow pellet shot from a slingshot bottom can be aimed at lock core marble hole all the time in this tolerance, after extracting, key is contained in the column jacking lock core marble hole of the hollow pellet shot from a slingshot of the inside, lock housing pellet shot from a slingshot hole in following the hollow pellet shot from a slingshot bottom of effect of compression spring, thereby lock core and lock housing pin are in the same place, and lock has been lockable.

Description of drawings

Fig. 1 is the structural representation of the utility model embodiment.

Specific embodiment

Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.As shown in Figure 1; A kind of pellet shot from a slingshot turning-bolt lock of the utility model embodiment comprises lock housing 2, lock core 8, and the lock housing pellet shot from a slingshot hole 13 that lock housing 2 is shaped on is set with hollow pellet shot from a slingshot 4, and lock core 8 is shaped on lock core marble hole 10 and the garden pellet shot from a slingshot 3 that the key tooth flower 9 with key 1 is complementary is housed,

Key 1 with lock core 8 combine and assemble after, buckshot 3 is contained in lock core marble hole 10 the insides, buckshot 3 is done with lock core marble hole 10 movingly can be up and down, and during assembling, key tooth flower 9 is done to mate equal with lock core 8 external diameters with buckshot 3, key 1 lock core 8 buckshot 3 after the combinations thereof refill to be done can radially rotate movingly in lock housing 2, pin 7 is bound up lock core 8 and lock housing 2 and does movingly, 13 the insides, lock housing pellet shot from a slingshot hole that hollow pellet shot from a slingshot 4 is contained in lock housing 2 are done movingly can be up and down, the compression spring 5 of suitable length is contained in hollow pellet shot from a slingshot the inside, the lock housing pellet shot from a slingshot hole 13 usefulness strips of paper used for sealing 6 of the lock after installing encapsulate the compression spring of suitable length, the effect of elastic washer 12 is the whole lock after the assembling, with nut at case or play locking effect fixedly the time cashier's office in a shop and be provided with.

Hollow pellet shot from a slingshot 4 profiles that this patent adopts are illustrated in figure 1 as goblet, the hole of putting the compression spring is arranged at top, the bottom is shaped on the column less than hollow pellet shot from a slingshot external diameter, its effect is: the one, compare with tradition, the length of compression spring has extended, the power that short compression spring back stretch is replied than long compression spring under the situation of much compression distance is big, so, Duan spring is contained in the lock the inside like this, the power of key plug is also corresponding wants big, Here it is, and key plugs one of inflexible reason, and this patent is improved; The 2nd, the bottom of hollow pellet shot from a slingshot 4 is manufactured with the column less than hollow pellet shot from a slingshot external diameter, and it improves product percent of pass, and then reduce production costs at the machining accuracy that acts on the lock housing 2 that can reduce lock core 8; Because lockset when design, lock core marble hole 10 and lock housing pellet shot from a slingshot hole 13 axiality after assembling requires very strict, and it is a lot of influence the factor of axiality, and the bad lock of axiality is to be difficult to assembling, and quality also is unsettled after the assembling.The external diameter of this hollow pellet shot from a slingshot 4 has suitable amplification than the flat pellet shot from a slingshot of conventional usefulness, bottom column body diameter has than flat pellet shot from a slingshot commonly used and suitably dwindles, this amplify with dwindle the difference manufacturing tolerance that to be exactly lock core marble hole 10 additionally can allow with lock housing pellet shot from a slingshot hole 13, the column of hollow pellet shot from a slingshot 4 bottoms can be aimed at lock core marble hole 10 all the time in this tolerance, after extracting, key is contained in the column jacking lock housing pellet shot from a slingshot hole 13 of the hollow pellet shot from a slingshot 4 of 13 the insides, lock housing pellet shot from a slingshot hole in following the hollow pellet shot from a slingshot bottom of effect of compression spring 5, thereby lock core 8 and lock housing 2 pins are in the same place, and lock has been lockable.

The waist screw thread of lock housing 2 is connected to nut 11 in addition, and is with movable elastic washer 12 between lock housing 2 and nut 11.Because whole being locked in user's use, fixedly the nut 11 of bin can be loosening in the lock-switch process, so be provided with lock washer 12.

Claims

1. pellet shot from a slingshot turning-bolt lock, comprise lock housing (2), lock core (8), the lock housing pellet shot from a slingshot hole (13) that lock housing (2) is shaped on is set with hollow pellet shot from a slingshot (4), and lock core (8) is shaped on lock core marble hole (10) and is equipped with and garden pellet shot from a slingshot (3) that the key tooth flower (9) of key (1) is complementary, it is characterized in that:

A. described lock housing (2) is connected with pin (7) with lock core (8), and hollow pellet shot from a slingshot (4) is set with compression spring (5), and embedding envelope in the outside, lock housing pellet shot from a slingshot hole (13) has strip of paper used for sealing (6);

B. hollow pellet shot from a slingshot (4) profile is a goblet, and its top is shaped on the hole of suit compression spring (5), and the bottom is shaped on the column less than hollow pellet shot from a slingshot external diameter.

2. according to claims 1 described a kind of pellet shot from a slingshot turning-bolt lock, it is characterized in that: the waist screw thread of described lock housing (2) is connected to nut (11), and is positioned at the elastic washer (12) of the activity of being with between lock housing (2) and the nut (11).