CN208220391U - Adjustable door latch structure - Google Patents

Abstract

The utility model relates to the technical fields of door lock, disclose adjustable door latch structure, including lock body, lock body include can circle rotation fastener, with concave groove and with the relatively-stationary regulating part of fastener and the fixing piece with fixed convex block, fixed convex block are embedded in concave groove；Concave groove includes that multiple fixed parts for fixed convex block and the sliding part for fixed convex block sliding, sliding part are connected with each fixed part；When rotating fastener, fixed convex block is detached from fixed part and moves in sliding part, and another mistake direction rotates fastener, and fixed convex block is made to enter another fixed part, realizes that the entire length of lock body increases or shortens.In this way, as needed, the length of lock body can be adjusted, while enhancing lock body practicability, convenient for the installation of lock body.

Description

Adjustable door latch structure

Technical field

The utility model relates to the technical field of door lock, in particular to adjustable door latch structure.

Background technique

Door lock, for locking the door, there are many classification of the equipment for preventing other people from opening this, door lock, in each occasion In, the requirement to door lock is also different, common are safe-guard door lock, fingerprint gate lock, fingerprint gate lock etc..

Currently, door lock by lock body realize door lock it is tight lock and unlock, due to the length of lock body be it is fixed, Door lock during the installation process, needs matched installation site.

In the prior art, generally there are two types of specifications for the installation site of lock body, and a kind of length is longer, and another length is shorter, Since the length of lock body is fixed, often result in that installation is inconvenient, also, existing lock body can only the single single specification of correspondence installation position It sets, influences the practicability of lock body.

Utility model content

The purpose of this utility model is to provide adjustable door latch structures, it is intended to solve the lock body of door lock in the prior art Length the problem of can not adjusting.

The utility model is realized in this way adjustable door latch structure, including lock body, the lock body includes can circumference rotation The fastener that turns, with concave groove and with the relatively-stationary regulating part of the fastener and the fixing piece with fixed convex block, it is described Fixed convex block is embedded in the concave groove；The concave groove includes multiple for fixing the fixed part of the fixed convex block and for institute The sliding part of fixed convex block sliding is stated, the sliding part is connected with each fixed part；When rotating fastener, the fixation is convex Block is detached from the fixed part and moves in the sliding part, and another mistake direction rotates the fastener, and fixed convex block is made to enter another institute Fixed part is stated, realizes that the entire length of the lock body increases or shortens.

Further, the concave groove includes two fixed parts, and the fixed part is formed in the two of the concave groove End, the sliding part are between two fixed parts.

Further, along from top to bottom, the sliding part is in the top of two fixed parts, the fixed part It is in arc transition at conducting with the sliding part.

Further, from top to bottom, the fixing piece includes the abutting portion for contradicting the regulating part, the abutting portion It is arc-shaped to surround the regulating part；When the fastener drives regulating part rotation, the relatively described abutting portion of the regulating part Rotation and movement.

Further, the fastener includes interconnecting piece and movable part, and the interconnecting piece and the movable part are stepped And the diameter of the movable part is greater than the interconnecting piece, after the regulating part is embedded in the inside of the fastener, is connected and fixed described Interconnecting piece, the regulating part and the movable part have gap.

Further, the inside of the fastener is equipped with spring, the fixed fastener of the spring one end, the spring it is another One end is arranged the regulating part and contradicts the fixed convex block.

Further, the lock body includes shell, and the fastener, the regulating part and the fixing piece are respectively placed in institute The inside for stating shell, along the direction on the head of the shell to tail portion, the fastener, regulating part and fixing piece are sequentially arranged.

Further, the shell is equipped with the bolt for driving the fixing piece mobile, and the bolt is embedded in the fixed strip, When the bolt is swung, the relatively described shell sliding of the fixing piece is driven.

Further, the fixing piece includes the moving portion that note is attached to the shell, and the bolt runs through the moving portion, When the bolt is swung, the moving portion is driven to move along the length direction of the lock body.

Further, the lock body includes the locating part with limited block, and the locating part is around the encirclement fastener；When When the fastener rotation contradicts the limited block, fastener can not continue to rotate, at this point, the fixed convex block is detached from the fixation Portion, into sliding part.

Compared with prior art, adjustable door latch structure provided by the utility model, fastener, regulating part and fixation Part, three formed under the action of fixed convex block it is whole, also, since sliding part is connected with each fixed part, when to lock When body length is adjusted, fastener is rotated, when fastener rotation movement angle, fixed convex block is detached from fixed part, into sliding part, moves Moved fastener makes it that fixed convex block be driven to move in sliding part, and fixed convex block is moved to corresponding position, and reverse direction rotates fastener, So that fixed convex block is entered another fixed part, realizes the adjusting of lock body entire length；In this way, as needed, it can be to the length of lock body It is adjusted, while enhancing lock body practicability, convenient for the installation of lock body.

Detailed description of the invention

Fig. 1 is the stereoscopic schematic diagram that each part of adjustable door latch structure provided by the embodiment of the utility model decomposes；

Fig. 2 is the stereoscopic schematic diagram of adjustable door latch structure provided by the embodiment of the utility model；

Fig. 3 is the stereoscopic schematic diagram of the regulating part of adjustable door latch structure provided by the embodiment of the utility model；

Fig. 4 is the stereoscopic schematic diagram of the fixing piece of adjustable door latch structure provided by the embodiment of the utility model.

Specific embodiment

In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain The utility model is not used to limit the utility model.

The same or similar label correspond to the same or similar components in the attached drawing of the present embodiment；In retouching for the utility model In stating, it is to be understood that if the orientation or positional relationship for having the instructions such as term " on ", "lower", "left", "right" is based on attached drawing Shown in orientation or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion institute The device or element of finger must have a particular orientation, be constructed and operated in a specific orientation, therefore position pass is described in attached drawing The term of system only for illustration, should not be understood as the limitation to this patent, for those of ordinary skill in the art and Speech, can understand the concrete meaning of above-mentioned term as the case may be.

The realization of the utility model is described in detail below in conjunction with specific embodiment.

Referring to Fig.1 shown in -4, preferred embodiment is provided for the utility model.

Adjustable door latch structure, for solving the problem of that the length of lock body is fixed and its length can not be adjusted.

Adjustable door latch structure, including lock body 10, lock body 10 include fastener 40, regulating part 20 and fixing piece 30, card Part 40 can along the circumferential direction rotate, and regulating part 20 has concave groove 50, also, regulating part 20 and fastener 40 are relatively fixed, fixed Part 30 has fixed convex block 33, also, fixed convex block 33 is embedded in concave groove 50；Concave groove 50 includes multiple fixed parts 51 and slides Dynamic portion 52, sliding part 52 and each fixed part 51 are connected, and fixed part 51 is used to that fixed convex block 33 to be fixed, when fixed convex block 33 when being in fixed part 51, and regulating part 20 and fastener 40 are relatively fixed, and sliding part 52 is slided for fixing convex block 33, realization Fixed convex block 33 is moved to different fixed parts 51；When rotating fastener 40, fixed convex block 33 is detached from fixed part 51 in sliding part It is moved in 52, another mistake rotates fastener 40, and fixed convex block 33 is made to enter another fixed part 51, realizes that the entire length of lock body 10 increases Or shorten.

Above-mentioned adjustable door latch structure, fastener 40, regulating part 20 and fixing piece 30, three is in fixed convex block 33 Effect is lower to form entirety, also, since sliding part 52 and each fixed part 51 are connected, it is adjusted when to 10 length of lock body When section, fastener 40 is rotated, when 40 rotation movement angle of fastener, fixed convex block 33 is detached from fixed part 51, mobile into sliding part 52 Fastener 40 makes it that fixed convex block 33 be driven to move in sliding part 52, and fixed convex block 33 is moved to corresponding position, reverse direction rotation Fastener 40 makes fixed convex block 33 enter another fixed part 51, realizes the adjusting of 10 entire length of lock body；In this way, as needed, it can The length of lock body 10 is adjusted, while enhancing 10 practicability of lock body, convenient for the installation of lock body 10.

In the present embodiment, concave groove 50 includes two fixed parts 51, and fixed part 51 is formed in the both ends of concave groove 50, is slided Portion 52 is between two fixed parts 51；Fixed convex block 33 is converted by the position between two fixed parts 51, when regulating part 20 ranges Chong Die with fastener 40 change, to realize that the length of lock body 10 is adjusted；This spline structure is simple, reliability By force.

Furthermore along from top to bottom, sliding part 52 is in the top of two fixed parts 51, and fixed part 51 is led with sliding part 52 Logical place is in arc transition；In this way, effectively avoiding fixed convex block 33 to be accidentally detached from concave groove 50 when lock body 10 is in stationary state, leading Cause 10 failure of lock body；In addition, due to being in arc transition at the conducting of fixed part 51 and sliding part 52, in this way, fixed convex block 33 exists In movement, the mutual abrasion of fixed convex block 33 and concave groove 50 is reduced, the service life of lock body 10 is extended.

Specifically, fixing piece 30 includes the abutting portion 31 for contradicting regulating part 20 along from top to bottom, abutting portion 31 is in arc Shape surrounds regulating part 20；When fastener 40 drives regulating part 20 to rotate, regulating part 20 is rotated relative to abutting portion 31 and movement；It is supporting It is effective to guarantee to play a supporting role to regulating part 20 under the action of contact portion 31, guarantee the structural soundness of lock body 10；In addition, When fastener 40 drives regulating part 20 to rotate, the abrasion between fastener 40 and abutting portion 31 is reduced, improves fastener 40 and fixing piece 30 Service life.

Fastener 40 is cylindrical, and regulating part 20 is cylindrical, and in a ring, the bottom-up encirclement in abutting portion 31 blocks for abutting portion 31 Part 40 and halfway around fastener 40, in this way, when fastener 40 drives regulating part 20 to rotate, under the action of abutting portion 31, enhancing The supporting role of fixing piece 30 not will cause fixed convex block 33 and be detached from concave groove 50, cause to lock in the use process of lock body 10 10 failure of body；In addition, saving the material that uses of fixing piece 30, reduction by 10 overall cost of lock body.

Abutting portion 31 is formed with through-hole, and fixed convex block 33 runs through and extend inwardly insertion concave groove 50, fixed convex block 33 with Through-hole interference fit；Position convenient for fastener 40, regulating part 20 and fixing piece 30 is configured.

In the present embodiment, fastener 40 includes interconnecting piece and movable part, interconnecting piece and movable part is stepped and movable part Diameter be greater than interconnecting piece and be connected and fixed interconnecting piece after regulating part 20 is embedded in the inside of fastener 40, regulating part 20 and movable part have There is gap；In this way, fastener 40 will not impact the rotation of adjusting block under the action of movable part, while fastener 40 is not yet It will affect the movement of fixed convex block 33；In addition, 40 this set of fastener can make the overall structure of lock body 10 more compact.

The inside of fastener 40 is equipped with spring 80,80 one end fixed fastener 40 of spring, and the other end of spring 80 is arranged regulating part 20 and contradict fixed convex block 33；When length is adjusted due to lock body 10, fastener 40 easily moves inwardly, realizes the length of lock body 10 Shorten, but lock body 10 carries out increase length, fastener 40 is not easy to move outwardly, under the action of spring 80, inwardly due to fastener 40 It is compressed when mobile in face of spring 80, when fastener 40 needs to move outwardly, under the effect of spring 80, outwardly convenient for fastener 40 It is mobile, consequently facilitating the length of lock body 10 is adjusted.

Specifically, lock body 10 includes shell 60, fastener 40, regulating part 20 and fixing piece 30 are respectively placed in the interior of shell 60 Portion, along the direction on the head of shell 60 to tail portion, fastener 40, regulating part 20 and fixing piece 30 are sequentially arranged；It is arranged in this way It is advantageous in that, shell 60 plays a protective role to fastener 40, regulating part 20 and fixing piece 30, in addition, making the entirety of lock body 10 Structure is more compact.

Shell 60 is equipped with the mobile bolt 61 of driving fixing piece 30, and bolt 61 is embedded in fixed strip, when bolt 61 is swung, band The opposite shell 60 of dynamic fixing piece 30 slides；User is swung by control bolt 61, realizes that lock body 10 is tightly locked and unlocked.

Furthermore fixing piece 30 includes the moving portion 32 that note is attached to shell 60, and bolt 61 runs through moving portion 32, when bolt 61 is put When dynamic, moving portion 32 is driven to move along the length direction of lock body 10；Under the action of moving portion 32, keep fixing piece 30 mobile more Add stabilization, to guarantee the normal work of lock body 10.

Moving portion 32 is in long strip, in this way, moving portion 32 and shell 60 have longer contact range, effectively enhancing movement The moving stability in portion 32.

Specifically, lock body 10 includes the locating part 70 with limited block, locating part 70 is around encirclement fastener 40；When fastener 40 When rotation contradicts limited block, fastener 40 can not continue to rotate, at this point, fixed convex block 33 is detached from fixed part 51, into sliding part 52, Under the action of locating part 70, when rotating fastener 40, convenient for controlling the rotation scale of fastener 40, consequently facilitating 10 length of lock body It adjusts.

The length adjusting step of lock body 10 is specific as follows:

When needing to shorten the length of lock body 10, fastener 40 is rotated clockwise, most preferably rotates 30 degree, at this point, fixation is convex The fixed part 51 that block 33 is detached from concave groove 50 enters the sliding part 52 of concave groove 50, applies the driving moved inwardly to fastener 40 Power, fastener 40 are moved to designated position, which is the inner end of concave groove 50, and another mistake hour hands rotate fastener 40, make solid Determine convex block 33 and enter another fixed part 51, realizes that the length of lock body 10 shortens.

When needing to increase the length of lock body 10, fastener 40 is rotated clockwise, most preferably rotates 30 degree, at this point, fixation is convex The fixed part 51 that block 33 is detached from concave groove 50 enters the sliding part 52 of concave groove 50, and under the action of spring 80, fastener 40 is outwardly Mobile, fastener 40 is moved to designated position, which is the outer end of concave groove 50, and another mistake hour hands rotate fastener 40, make Fixed convex block 33 enters another fixed part 51, realizes that the length of lock body 10 increases.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model Protection scope within.

Claims (10)

1. adjustable door latch structure, which is characterized in that including lock body, the lock body include can circle rotation fastener, have Concave groove and with the relatively-stationary regulating part of the fastener and the fixing piece with fixed convex block, the fixed convex block are embedded in institute State concave groove；The concave groove includes multiple fixed parts for fixing the fixed convex block and slides for the fixed convex block Sliding part, the sliding part is connected with each fixed part；When rotating fastener, the fixed convex block is detached from the fixation Portion moves in the sliding part, and another mistake direction rotates the fastener, so that fixed convex block is entered another fixed part, realizes institute The entire length for stating lock body increases or shortens.

2. adjustable door latch structure as described in claim 1, which is characterized in that the concave groove includes two fixations Portion, the fixed part are formed in the both ends of the concave groove, and the sliding part is between two fixed parts.

3. adjustable door latch structure as claimed in claim 2, which is characterized in that along from top to bottom, the sliding part is in It is in arc transition at the conducting of the top of two fixed parts, the fixed part and the sliding part.

4. adjustable door latch structure as claimed in any one of claims 1-3, which is characterized in that from top to bottom, described solid Determining part includes the abutting portion for contradicting the regulating part, and the abutting portion is arc-shaped to surround the regulating part；When the fastener When the regulating part being driven to rotate, the regulating part is rotated relative to the abutting portion and movement.

5. adjustable door latch structure as claimed in any one of claims 1-3, which is characterized in that the fastener includes connection Portion and movable part, the diameter of the stepped and described movable part is greater than the interconnecting piece to the interconnecting piece with the movable part, After the regulating part is embedded in the inside of the fastener, it is connected and fixed the interconnecting piece, the regulating part has with the movable part Gap.

6. adjustable door latch structure as claimed in any one of claims 1-3, which is characterized in that the inside of the fastener is set There are spring, the fixed fastener of the spring one end, the other end of the spring is arranged the regulating part and contradicts the fixation Convex block.

7. adjustable door latch structure as claimed in any one of claims 1-3, which is characterized in that the lock body includes shell Body, the fastener, the regulating part and the fixing piece are respectively placed in the inside of the shell, extremely along the head of the shell The direction of tail portion, the fastener, regulating part and fixing piece are sequentially arranged.

8. adjustable door latch structure as claimed in claim 7, which is characterized in that the shell, which is equipped with, drives the fixing piece Mobile bolt, the bolt are embedded in the fixing piece, when the bolt is swung, drive the relatively described shell of the fixing piece Sliding.

9. adjustable door latch structure as claimed in claim 8, which is characterized in that the fixing piece includes that note is attached to the shell The moving portion of body, the bolt run through the moving portion, when the bolt is swung, drive the moving portion along the lock body Length direction is mobile.

10. adjustable door latch structure as claimed in any one of claims 1-3, which is characterized in that the lock body includes tool There is the locating part of limited block, the locating part is around the encirclement fastener；When the fastener, which rotates, contradicts the limited block, card Part can not continue to rotate, at this point, the fixed convex block is detached from the fixed part, into sliding part.