CN215761009U

CN215761009U - Spiral rack lock

Info

Publication number: CN215761009U
Application number: CN202220013371.3U
Authority: CN
Inventors: 高明; 葛运庆
Original assignee: Yantai Xiange Rack Door Lock Co ltd
Current assignee: Yantai Xiange Rack Door Lock Co ltd
Priority date: 2022-01-06
Filing date: 2022-01-06
Publication date: 2022-02-08
Anticipated expiration: 2032-01-06

Abstract

The utility model relates to a spiral rack lock, which belongs to the technical field of locks and comprises a main shell, an auxiliary shell and a lock, wherein the main shell, the auxiliary shell and the lock are directly fixed on a door plate by welding machines, a ball bearing is fixedly arranged in the main shell, a lock column is slidably arranged outside the ball bearing, a threaded rod is coaxially screwed in the lock column, the outer end of the threaded rod penetrates through an inner hole of the ball bearing and extends out of the main shell, the part of the threaded rod penetrating through the ball bearing is fixedly connected with the ball bearing, a rotating button is coaxially fixed on one end of the threaded rod extending out of the main shell, lock holes which are vertically distributed at equal intervals are formed in the lock column, the rotating button drives the lock column to extend out of the main shell and penetrate through the auxiliary shell to be inserted into the lock, and the lock enters and exits the lock holes by controlling a lock tongue. The utility model adopts the screw principle to drive the lock column to move, avoids the phenomenon of blocking when the door is opened by the traditional rack lock, has strong practicability and is very convenient to use.

Description

Spiral rack lock

Technical Field

The utility model relates to the technical field of locks, in particular to a spiral rack lock.

Background

A door lock is a device used to lock a door to prevent others from opening the door, and may be mechanical or electrical. The door locks are classified a lot, the requirements on the door locks are different in each occasion, and the anti-theft door lock is generally used in ordinary families, so that the safety is high and the price is low; in some high-end places and security institutions, coded locks and fingerprint locks are used, so that the safety is high and the price is high; many rural houses are equipped with large iron doors, and the doors are generally locked by racks.

At present, most of rack locks on the market adopt a structure of a gear and a rack, the gear is used as a driving part, the rack is used as a driven part, the gear can smoothly rotate to drive the rack to extend when being used as the driving part, and when the rack is used as the driving part and is contracted, the rack drives the gear to rotate reversely, so that the phenomenon of blocking is easily caused in the process, and the gear and the rack are abraded simultaneously.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a spiral rack lock.

The utility model is realized by the following technical scheme:

the utility model provides a spiral rack lock, includes main casing body, subshell and tool to lock, its characterized in that: the equal welded fastening of main casing body, auxiliary housing and tool to lock is on the door plant, and the main casing body is fixed on the door plant of one side, and auxiliary housing and tool to lock are fixed on the door plant of opposite side, main casing body inside is fixed and is provided with ball bearing and slides and be provided with the lock post, and the lock post is located the ball bearing outside, the inside coaxial spiro union of lock post has the threaded rod, and the outer end of threaded rod passes ball bearing's hole and stretches out the main casing body, the threaded rod passes ball bearing's part and ball bearing fixed connection, and the threaded rod stretches out one of the main casing body and serves the coaxial button that is fixed with, set up vertical equidistant distribution's lockhole on the lock post, the button rotates and stretches out the main casing body and passes auxiliary housing and insert the tool to lock, tool to lock control spring bolt business turn over lockhole is in order to lock and unblock the lock post.

Preferably, the lock cylinder is provided with a wing plate on the side, a sliding groove is formed in the main housing corresponding to the wing plate, and the wing plate is slidably arranged in the sliding groove.

Preferably, a gap is reserved between the auxiliary shell and the lock, and the gap distance is 1.5 mm to 3 mm.

Preferably, the outer side surface of the knob is provided with stripe patterns.

Preferably, the length of the wing plate is one third of the length of the sliding groove, the sliding groove is a closed sliding groove, and two ends of the sliding groove are blocked.

The utility model has the beneficial technical effects that: the utility model adopts the screw principle to drive the lock column to move, avoids the phenomenon of blocking when the door is opened by the traditional rack lock, has strong practicability and is very convenient to use. When the door is locked, the rotating button is rotated to synchronously drive the threaded rod to move, the lock cylinder is driven to extend out of the main shell and penetrate through the auxiliary shell to be inserted into the lockset, then the lock tongue is inserted into a lock hole in the lock cylinder by rotating the key, the position of the lock cylinder is fixed, and the door is locked; when the door is unlocked, the key is inserted firstly to enable the lock tongue to be separated from the lock cylinder, then the rotating knob is rotated reversely to enable the lock cylinder to be separated from the lockset, and whether the lock cylinder is separated from the lockset or not is confirmed through a gap between the auxiliary shell and the lockset, so that the door is opened.

Drawings

FIG. 1 is a first schematic view of the present invention installed on a gate;

figure 2 is a second schematic view of the utility model mounted on a gate;

FIG. 3 is a schematic view highlighting the structure of the lock cylinder of the present invention;

FIG. 4 is a first cross-sectional view of an internal structure embodying the present invention;

FIG. 5 is a second cross-sectional view of the internal structure embodying the present invention.

In the figure, 1, a main housing; 2. a sub-housing; 3. a lock; 4. a ball bearing; 5. a lock cylinder; 6. a threaded rod; 7. turning a button; 8. a lock hole; 9. a latch bolt; 10. a wing plate; 11. a chute; 12. and (4) stripe forming.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1-5, a spiral rack lock, including main casing body 1, auxiliary housing body 2 and tool to lock 3, main casing body 1, auxiliary housing body 2 and the equal welded fastening of tool to lock 3 are on the door plant, main casing body 1 fixes on the door plant of one side, auxiliary housing body 2 and tool to lock 3 fix on the door plant of opposite side, main casing body 1 is inside to be provided with telescopic lock post 5, during the welding, ensure that the central axis of each part is located same straight line, in order to guarantee the flexible smoothness nature of lock post 5, the lock core of tool to lock 3 is driven by the key, the flexible of spring bolt 9 is controlled in the rotation key, lock post 5 accessible auxiliary housing body 2 stretches into tool to lock 3, the locking and the unblock at control gate through the cooperation of spring bolt 9 and lock post 5.

Main casing body 1 is inside still to be equipped with ball bearing 4, and ball bearing 4 is fixed to be provided with main casing body 1's afterbody, lock post 5 slides and sets up in main casing body 1's inside, lock post 5 is located ball bearing 4's the outside, lock post 5 side has set firmly pterygoid lamina 10, main casing body 1 is inside to have seted up spout 11 corresponding pterygoid lamina 10's position, pterygoid lamina 10 slides and sets up inside

spout

11, 11 both ends of spout are all sealed and are blocked up, in order to ensure that pterygoid lamina 10 can only remove inside spout 11, can not break away from spout 11, furthermore, in this embodiment, pterygoid lamina 10's length is the third of spout 11 length.

The inside coaxial spiro union of lock post 5 has threaded rod 6, and the outer end of threaded rod 6 passes ball bearing 4's hole and stretches out main casing body 1, threaded rod 6 passes ball bearing 4's part and ball bearing 4 fixed connection, in order to realize the rotation of threaded rod 6, threaded rod 6 stretches out one of main casing body 1 and serves coaxial fastening to have turn button 7, the bar line 12 has been seted up on the circumference side of turn button 7, increase the friction, be convenient for rotate turn button 7, through rotating turn button 7, can drive threaded rod 6 in step and rotate, finally under the cooperation of spout 11 and pterygoid lamina 10, drive lock post 5 stretches out main casing body 1 and passes sub-housing 2 and insert tool to lock 3 in, lock the gate.

The lock post 5 is provided with vertical lock holes 8 distributed at equal intervals, the lock post 5 extends into the lockset 3, and the lock bolt 9 is controlled to pass in and out the lock holes 8 to lock and unlock the gate.

Furthermore, in this example, during the welding, leave the clearance between inferior casing 2 and the tool to lock 3, when conveniently unblanking, confirm through the clearance whether lock post 5 breaks away from with tool to lock 3, the clearance between inferior casing 2 and the tool to lock 3 is 1.5 millimeters in this embodiment, and this distance can be convenient for observe, can prevent again that the person of destruction from sawing lock post 5.

The implementation principle of the embodiment is as follows: when the door is locked, the rotating button 7 is rotated to synchronously drive the threaded rod 6 to move, the lock cylinder 5 is driven to extend out of the main shell 1 and penetrate through the auxiliary shell 2 to be inserted into the lockset 3, then the lock tongue 9 is inserted into the lock hole 8 on the lock cylinder 5 by rotating the key, the position of the lock cylinder 5 is fixed, and the door is locked; when the door is unlocked, a key is firstly inserted to enable the lock tongue 9 to be separated from the lock cylinder 5, then the rotating knob 7 is rotated reversely to enable the lock cylinder 5 to be separated from the lockset 3, whether the lock cylinder 5 is separated from the lockset 3 is confirmed through a gap between the auxiliary shell 2 and the lockset 3, and the door is opened. The utility model adopts the lead screw principle to drive the rack to stretch, avoids the phenomenon of blocking when the door is opened by the traditional rack lock, has simple structure and strong practicability, and has good fluency when the lock column 5 stretches.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered by the protection scope of the utility model.

Claims

1. The utility model provides a spiral rack lock, includes main casing body (1), subshell (2) and tool to lock (3), its characterized in that: the main casing body (1), the auxiliary casing body (2) and the lock (3) are directly welded and fixed on a door plate, the main casing body (1) is fixed on the door plate on one side, the auxiliary casing body (2) and the lock (3) are fixed on the door plate on the other side, the main casing body (1) is internally and fixedly provided with a ball bearing (4) and is provided with a lock column (5) in a sliding manner, the lock column (5) is positioned outside the ball bearing (4), a threaded rod (6) is coaxially screwed inside the lock column (5), the outer end of the threaded rod (6) penetrates through an inner hole of the ball bearing (4) and extends out of the main casing body (1), the part of the threaded rod (6) penetrating through the ball bearing (4) is fixedly connected with the ball bearing (4), a rotating button (7) is coaxially fixed at one end of the threaded rod (6) extending out of the main casing body (1), and lock holes (8) which are vertically distributed at equal intervals are formed in the lock column (5), the rotating button (7) rotates to drive the lock column (5) to extend out of the main shell (1) and penetrate through the auxiliary shell (2) to be inserted into the lock (3), and the lock (3) controls the lock tongue (9) to enter and exit the lock hole (8) so as to lock and unlock the lock column (5).

2. A helical rack lock according to claim 1, wherein: the lock is characterized in that wing plates (10) are arranged on the side faces of the lock column (5), sliding grooves (11) are formed in the positions, corresponding to the wing plates (10), in the main shell (1), and the wing plates (10) are arranged in the sliding grooves (11) in a sliding mode.

3. A helical rack lock according to claim 1, wherein: a gap is reserved between the auxiliary shell (2) and the lockset (3), and the gap distance is 1.5 mm to 3 mm.

4. A helical rack lock according to claim 1, wherein: the outer side surface of the rotating button (7) is provided with strip-shaped grains (12).

5. A helical rack lock according to claim 2, wherein: the length of pterygoid lamina (10) is one third of spout (11) length, just spout (11) are closed spout (11), and spout (11) both ends are all blocked up.