CN218759282U - Mortise and tenon structure of lock core - Google Patents

Abstract

The utility model provides a lock core tenon structure, it has a lock body, the lock body has a lock core, be equipped with the several locked groove on the lock core, respectively hold and be equipped with a spring and a reed with the locked groove, the lock core side is more sunken to be equipped with a mortise groove, and can completely hold the tenon of establishing a corresponding shape with the mortise groove, and the locked groove communicates with each other with the mortise groove, the reed top is protruding to be equipped with a lug and the side is concave to be equipped with a recess, the lock core more overlaps outward and is equipped with a lock core shell, the inboard top of lock core shell respectively is equipped with a reed groove with the holding and establishes the lug with the bottom, and the inboard side of lock core shell is concave to be equipped with a mortise ditch with the holding and establishing the tenon, the mortise ditch is by the gradually shallow structure of depth, be equipped with the spring between reed and lock core, cooperate the reed groove and mortise groove with the tenon to reach the theftproof function with the lug, and can help when the lock core is rotatory to promote the mortise by the gradually reduced mortise ditch of the degree of depth.

Description

Mortise and tenon structure of lock core

Technical Field

The utility model relates to a lock core trip structure, concretely relates to simple structure's lock core trip structure.

Background

The lock head is visible everywhere in life, the lock is one of tools for preventing other people from opening a door or a box body at will, a unique key is matched with the lock, strangers can be prevented from opening the lock head, and the lock head and the key are improved in the industry for preventing the lock head from being unlocked at will.

In the conventional lock core structure, for example, taiwan patent No. I264492, the patent range mentions that "the lock rod is movably installed in the second notch of the lock shaft cylinder and can be controlled to protrude out of the second notch", and a way of strengthening the lock core except for the spring or the marble is disclosed, however, the lock rod is lack of external force assistance, and the lock core cannot be smoothly unlocked because the lock rod cannot slide into the notch when rotating the lock core, and although a way of assisting the lock rod to slide into the notch by using a spring or other parts is adopted in the industry, when too many parts are used, the unlocking difficulty may be caused if the parts are damaged, and the difficulty of assembly is increased.

In view of the above, the applicant thought and created ideas, and then devised the present invention by years of experience, and developed the present invention through many studies, sample tests, and many modifications and improvements.

Disclosure of Invention

The technical problem to be solved by the present invention is to provide a mortise and tenon structure of lock core with simple structure for the above-mentioned deficiency of the prior art.

The technical characteristics of solving the problems are as follows:

the utility model provides a lock core tenon structure, it includes a lock body, the lock body has a lock core, is equipped with the several locked groove on this lock core, the locked groove holds and is equipped with a spring and a reed, and this lock core side concave is equipped with a mortise groove, the complete card tenon that corresponds the shape of holding in the mortise groove, and this locked groove with the mortise groove communicates with each other, the reed link up has a reed hole to let a key pass through, and this reed top is protruding to be equipped with a lug and the side concave is equipped with a recess, the lock core overcoat is equipped with a lock core shell, and the inboard top of this lock core shell respectively is equipped with a reed groove with the holding establishes with the bottom the inside of this lock core shell, and the inboard side concave of this lock core shell is equipped with a mortise groove with the holding establishes the tenon, the mortise groove is by dark gradually shallow structure, be equipped with between reed and this lock core the spring supports to push the reed makes this holding the lug locate in the reed groove, be equipped with a lock core go into the keyhole portion, this lock core portion is gone up and is supplied to insert the key.

The main object of the utility model is to borrow by above-mentioned structure, because this locked groove with the mortise communicates with each other, the reed can occupy the space of this mortise and makes the mortise can't hold in this mortise completely, thereby makes it will thereby be located in this mortise ditch to hold a part of the mortise the tenon is fixed, again because the mortise is by the structure that the depth is gradually shallow the reed occupies under the condition in the space of this mortise the fin holds when locating this reed inslot, the lock core can't rotate, will during the use the key inserts this lock body, and is correct it makes this fin break away from to promote this reed when the key inserts the reed groove, and makes this recess get into the mortise makes this reed no longer occupy the space of this mortise, and the top can rotate the lock core cooperates this mortise will the action of unblanking can be accomplished to rotate smoothly in this mortise by pushing into this mortise.

Other objects, advantages and novel features of the invention will become apparent from the following detailed description of the invention when considered in conjunction with the drawings.

Drawings

Fig. 1 is a perspective assembly view of the present invention.

Fig. 2 is an exploded perspective view of the present invention.

Fig. 3 is a side sectional view of the present invention.

Fig. 4 isbase:Sub>A cross-sectional view taken along linebase:Sub>A-base:Sub>A of fig. 3 according to the present invention.

Fig. 5 is a cross-sectional view B-B of fig. 3 showing the tongue-and-groove being blocked by the spring plate according to the present invention.

Fig. 6 is a cross-sectional view taken along line C-C of fig. 3 showing the tongue-and-groove being blocked by the spring.

Fig. 7 is a schematic view of the usage state of the present invention.

Fig. 8 is a side sectional view of the present invention in use.

Fig. 9 isbase:Sub>A cross-sectional view taken along linebase:Sub>A-base:Sub>A of fig. 8 showing the mortise slot no longer being blocked by the spring plate.

Fig. 10 is a cross-sectional view B-B of fig. 8 showing the mortise being blocked by the spring.

Fig. 11 is a cross-sectional view taken along line C-C of fig. 8, showing the tongue-and-groove being blocked by the spring.

Wherein: 10. a lock body; 11. a lock core; 111. locking the groove; 112. a mortise and tenon slot; 12. a spring; 13. a reed; 131. a reed hole; 132. a tab; 133. a groove; 14. clamping tenons; 15. a lock cylinder housing; 151. a reed groove; 152. clamping a tenon groove; 16. a lock core hole part; 161. a lock hole; 20. a key.

Detailed Description

To further clarify the objects, features and advantages of the present invention, those skilled in the art will understand and appreciate that the preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

First, as shown in fig. 1 to 4 and 7, the lock core mortise structure of the present invention includes a lock body 10, wherein the lock body 10 has a lock core 11, the lock core 11 is provided with a plurality of lock grooves 111, each lock groove 111 is provided with a spring and a spring plate, a mortise groove 112 is concavely provided on a side surface of the lock core, the mortise groove 112 can completely accommodate a corresponding shape of the mortise 14, and the lock groove is communicated with the mortise groove 112, the spring plate 13 is provided with a spring plate hole 131 for passing a key 20 therethrough, each spring plate 13 is convexly provided with a tab 132 on a top and concavely provided with a groove 133 on a side surface thereof, the lock core 11 is further sleeved with a lock core case 15, each of the top and the bottom of the inside of the lock core case 15 is provided with a spring plate groove 151 for accommodating the spring plate 132, and the mortise groove 152 is concavely provided on the side surface of the inside of the lock core case 15 for accommodating the mortise 14, the mortise groove 152 is a shallow structure, the spring plate groove hole portion 13 is provided with a spring accommodating a spring hole 161 for inserting the spring plate 12, and the spring plate 12 is provided on the lock core 11, and the spring plate 16 is inserted into the lock core 11.

As shown in fig. 4 to 6, by the above structure, the spring plate 13 occupies the space of the mortise 112 due to the communication between the lock slot 111 and the mortise 112, so that the mortise 14 cannot be completely accommodated in the mortise 112, thereby allowing a part of the mortise 14 to be accommodated in the mortise groove 152 to fix the mortise 14, and since the mortise 152 is formed by a structure with a gradually decreasing depth, when the spring plate 13 occupies the space of the mortise 112 and the tab 132 is accommodated in the spring plate groove 151, the lock cylinder 11 cannot be rotated, as shown in fig. 7 and 8, when the key 20 is inserted into the lock body, as shown in fig. 9 to 11, the spring plate 13 is pushed to disengage the tab 132 from the spring plate groove 151 when the correct key 20 is inserted, and the unlocking groove 133 is inserted into the mortise 112 so that the spring plate 13 occupies the space of the mortise 112, so that the mortise 11 can be rotated to stop the operation of smoothly pushing the mortise 14 into the mortise 112.

As shown in fig. 5 and fig. 6, in the latch structure of the lock core according to the present invention, one side of the cross section of the latch 14 has a corner and the other side is a circular arc, so that the latch 14 is inserted into the latch groove 112 from the side of the corner, and the latch is aligned with the latch groove 152 from the side of the circular arc to slide tangentially.

The utility model has the practical functions that: 1. because the mortise 152 is formed by a structure with gradually reduced depth, the mortise 14 can be pushed into the mortise 152 by rotating the lock core 11 without pushing the mortise 14 by external force, thereby achieving smooth unlocking; 2. the said tenon slot 152 is used only to achieve these effects without using spring or other additional parts, so that it has the advantages of simple structure, easy assembly and maintenance; 3. the spring plate 13 and the tenon 14 can increase the difficulty of cracking the lock body 10 and the difficulty of forging the key.

Further, the utility model provides a lock core tenon structure, in the unblock of key 20 upwards soon, the arc length of tenon groove 152 is less than the arc length of lug 132 to when avoiding lug 132 to rotate to correspond with tenon groove 152, appear lug 132 and get into tenon groove 152 under the spring 12 effect, and tenon 14 gets into the improper unblock phenomenon of reed groove 151 under reed 13 promotes.

In summary, the present invention has achieved a breakthrough structure design, has improved creation content, and can achieve industrial utilization and advancement, and the creation is not seen in any publications, and has novelty, as meeting the regulations of the relevant laws of patent laws.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the invention; therefore, all the equivalent changes and modifications made according to the present invention should fall within the scope of the present invention.

Claims (3)

1. The mortise and tenon structure of lock core includes one lock body, and features:

the lock body is provided with a lock core, the lock core is provided with a plurality of lock grooves, the lock grooves are provided with a spring and a reed, the side surface of the lock core is concavely provided with a mortise groove, the mortise groove is completely provided with a tenon with a corresponding shape, the lock grooves are communicated with the mortise groove, the reed is provided with a reed hole for a key to pass through, the top of the reed is convexly provided with a convex sheet, the side surface is concavely provided with a groove, the lock core is sleeved with a lock core shell, the top and the bottom of the inner side of the lock core shell are respectively provided with a reed groove for accommodating the convex sheet, the side surface of the inner side of the lock core shell is concavely provided with a mortise groove for accommodating the tenon, the mortise groove is of a structure with gradually shallow depth, the spring is arranged between the reed and the lock core, the spring pushes the reed by the elasticity of the spring to enable the convex sheet to be arranged in the reed groove, the lock core is provided with a lock core inserting hole part, and the lock hole is penetrated by the corresponding key.

2. The key mortise and tenon structure according to claim 1, wherein the mortise and tenon structure has a corner on one side and a circular arc on the other side in cross section.

3. The key-mortise structure of claim 1, wherein an arc length of the mortise slot is smaller than an arc length of the tab in an unlocking rotational direction of the key.

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