CN111734217A

CN111734217A - Door lock structure of granary

Info

Publication number: CN111734217A
Application number: CN202010574199.4A
Authority: CN
Inventors: 林朗; 徐誉尘; 谢春香
Original assignee: Zhejiang Suifeng Electromechanical Technology Co ltd
Current assignee: Zhejiang Suifeng Electromechanical Technology Co ltd
Priority date: 2020-06-22
Filing date: 2020-06-22
Publication date: 2020-10-02

Abstract

The invention discloses a door lock structure of a granary, relating to the technical field of granaries, and the key points of the technical scheme are as follows: the door comprises a door frame and a door body, wherein a handle is rotatably arranged on the door body and connected with a locking block, and the locking block can be moved to abut against the door frame by rotating the handle; the door body is equipped with the shackle towards the hand (hold), the hand (hold) is equipped with the lockhole, the hand (hold) can make the lockhole just to the shackle through rotating, the lockhole can supply the lock beam of padlock to pass and can't supply the lock body of padlock to pass, the lock beam of padlock can be with shackle hookup after passing the lockhole. The handle comprises a limiting surface facing the door body, the limiting surface abuts against the surface of the door body, and an avoiding groove for avoiding the shackle is formed in the limiting surface. The door lock structure can realize theft prevention by using a common padlock without winding a chain lock, and the theft prevention mode is simple and effective; the connecting positions of the padlock and the shackle are difficult to touch, and the anti-theft effect is good; after the padlock is installed, the lock block and the door frame are in the most stable state of complete locking.

Description

Door lock structure of granary

Technical Field

The invention relates to the technical field of granaries, in particular to a door lock structure of a granary.

Background

The granary is a building for storing grains, and the granary is developed in a large scale at present. The door of the large-scale granary is large in size, and large-scale vehicles can get in and out after the door is opened, so that grains can be transported. The door of the granary is provided with a door lock structure.

The current chinese utility model patent that the bulletin number is CN202165114U of granting discloses a hatch door of opening soon, including the hatch door main part, the left and right both sides of hatch door main part all correspond to articulate there are two at least dogs, and the dog is located hatch door main part towards one side inside the survival capsule, can drive a plurality of dogs when the hand wheel rotates and rotate, realize the locking of door.

The structure of the door lock of the granary is similar to that of the quick-opening cabin door, the anti-theft can be realized after the rotation of the hand wheel is limited, and the anti-theft of the granary is realized by winding a chain lock on the hand wheel and the granary door at present. But the chain lock is heavy, and the winding is consuming time and hard, and the current granary door lock structure lacks simple and effective anti-theft mode.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a door lock structure of a granary, which is simple and effective in anti-theft mode without winding a chain lock.

The technical purpose of the invention is realized by the following technical scheme: a door lock structure of a granary comprises a door frame and a door body, wherein a handle is rotatably arranged on the door body and connected with a locking block, and the locking block can be moved to abut against the door frame by rotating the handle; the door body is equipped with the shackle towards the hand (hold), the hand (hold) is equipped with the lockhole, the hand (hold) can make the lockhole just to the shackle through rotating, the lockhole can supply the lock beam of padlock to pass and can't supply the lock body of padlock to pass, the lock beam of padlock can be with shackle hookup after passing the lockhole.

Through above-mentioned technical scheme, when the door body was about the door frame, personnel's drive hand (hold) rotated, and the hand (hold) orders about the locking piece and removes butt door frame, realizes the locking of door frame and the door body. The handle rotates once and can make lockhole, shackle align once, during the installation padlock, passes the shackle behind the lockhole with the lock beam of padlock, then can close the padlock, forms the unable pivoted theftproof structure of handle, before also being convenient for ensure the padlock installation, the handle rotates to the definite position of locking piece and door frame locking. The door lock structure can realize theft prevention by using a common padlock without winding a chain lock, and the theft prevention mode is simple and effective.

The present invention in a preferred example may be further configured to: the handle is fixed with a rotating shaft, the rotating shaft penetrates through the door body and is connected with the door body in a rotating mode, a first gear is coaxially fixed on the rotating shaft, a second gear meshed with the first gear is arranged on the door body in a rotating mode, the diameter of the second gear is larger than that of the first gear, and the locking block is driven to move by the second gear.

Through above-mentioned technical scheme, the locking piece is moved by the drive of gear two, because the diameter of gear two is greater than gear one, then according to the drive ratio, gear one can produce laborsaving effect at drive gear two pivoted in-process.

The present invention in a preferred example may be further configured to: the sliding door is characterized in that a connecting rod is arranged on the door body in a sliding mode, the locking block is arranged on the connecting rod, the connecting rod comprises a rack section, and the rack section is meshed with the second gear.

Through the technical scheme, the second gear drives the connecting rod to move when rotating through the meshing action of the teeth, and then the locking block moves to realize locking with the door frame.

The present invention in a preferred example may be further configured to: the handle comprises a limiting surface facing the door body, the limiting surface abuts against the surface of the door body, and an avoiding groove for avoiding the shackle is formed in the limiting surface.

Through the technical scheme, after the padlock is installed, the limiting surface abuts against the door body, so that the shackle can be shielded by the handle, the outer part of the padlock and the shackle is difficult to knock through the axe and the hammer, and the anti-theft effect is improved.

The present invention in a preferred example may be further configured to: the utility model discloses a handle, including the handle, the handle tip is equipped with connecting rod, ball groove, the connecting rod rotates with the ball groove through the bulb of locating the tip to be connected, the connecting rod overcoat is established and sliding connection has the rocking handle, the rocking handle is equipped with the extension spring, the elasticity of extension spring orders about the rocking handle tip and supports tightly in the handle outer wall, the tip that the handle deviates from its axis of rotation is equipped with the spread groove, spread groove and ball groove intercommunication, with the handle lateral wall intercommunication that deviates from the door body, connecting rod, extension spring can pass through the spread groove, the lateral wall that the handle deviates from the door body is equipped with the locating hole.

Through above-mentioned technical scheme, rocking handle, hand (hold) can switch the state through rotating, and personnel's accessible pulling rocking handle's mode makes the extension spring extend, then rotates the rocking handle around the bulb, can switch the position state of rocking handle. When the length direction of the rocking handle is parallel to the handle, the rocking handle abuts against the end part of the handle through the end part, the rocking handle and the handle can keep a relatively stable position state under the action of the elastic force of the tension spring, and the rocking handle abuts against the surface of the door body at the moment, so that the rocking handle is not easy to influence the passing of people; when the length direction of the rocking handle is vertical to the handle, the end part of the rocking handle is inserted into the positioning hole for positioning, and then the personnel can more conveniently rotate the handle through the rocking handle.

The present invention in a preferred example may be further configured to: the handle is provided with a blocking cover in a sliding manner, the blocking cover is positioned on one side of the lock hole, which is far away from the connecting rod, and the rocking handle and the blocking cover are connected through a pull rope; when the rocking handle rotates to a position close to the surface of the door body, the rocking handle drives the blocking cover to move to a position for blocking the lock hole and the padlock through the pull rope.

Through the technical scheme, personnel can shield the blocking cover from the top of the padlock in a sliding blocking cover mode, and a better rain shielding effect is achieved for the padlock. When the lock is needed to be unlocked, the stop cover is slid upwards. When the rocking handle rotates around the ball head to a position close to the surface of the door body, the rocking handle drives the blocking cover to move through the pull rope, so that the blocking cover moves to a position for blocking the lock hole and the padlock. Through setting up the stay cord, can prevent to a certain extent that the people from forgetting to pull down the fender lid.

The present invention in a preferred example may be further configured to: the door body is fixedly provided with a threaded seat in threaded connection with the threaded rod, and the threaded rod is driven to rotate by the rotating shaft; the rotating shaft drives the shackle to move when rotating, and when the lock block moves to a limit position in a direction back to the door body, the shackle is just positioned at a position where a lock beam of the padlock can penetrate.

Through above-mentioned technical scheme, order about the threaded rod synchronous rotation when the pivot rotates, the threaded rod drives the shackle and slides when rotating to adjust the position of shackle, the turned angle of pivot has the one-to-one corresponding relation with the position of shackle. When the locking piece is not completely inserted into the lock groove, the lock beam of the padlock can not pass through the shackle after passing through the lock hole, and when the locking piece moves to the position limiting position in the direction back to the door body, the shackle is just positioned at the position where the lock beam of the padlock can pass through. The arrangement can ensure that the lock block and the door frame are in the most stable state of complete locking after the padlock is installed.

The present invention in a preferred example may be further configured to: a sliding rod is fixed on the hook ring, a sliding hole is formed in the door body along the thickness direction of the door body, the sliding rod is connected with the sliding hole in a sliding mode, and the sliding rod cannot rotate in the sliding hole; the sliding rod is rotatably connected with the threaded rod through the end part.

Through above-mentioned technical scheme, order about the slide bar when the threaded rod rotates and slide, but the rotation of threaded rod can not transmit to the slide bar, and the shackle can not produce the rotation when the shift position, and the shackle of the padlock of being convenient for carry out the hookup.

In summary, compared with the prior art, the beneficial effects of the invention are as follows:

1. the door lock structure can realize theft prevention by using a common padlock without winding a chain lock, and the theft prevention mode is simple and effective;

2. the connecting positions of the padlock and the shackle are difficult to touch, and the anti-theft effect is good;

3. after the padlock is installed, the lock block and the door frame are in the most stable state of complete locking.

Drawings

FIG. 1 is an exterior side view of the door of the embodiment;

FIG. 2 is an inside door view of the embodiment;

FIG. 3 is an enlarged view of FIG. 1 at A;

FIG. 4 is a cross-sectional view taken along line B-B of FIG. 3;

FIG. 5 is a schematic view of the rocking handle of the embodiment in a lowered state.

In the figure, 10, a door frame; 1. a door body; 2. a handle; 21. a rotating shaft; 211. a first gear; 3. a second gear; 31. a connecting rod; 311. a rack segment; 312. a locking block; 101. locking the groove; 4. a connecting rod; 22. a ball groove; 23. connecting grooves; 41. a ball head; 42. a rocking handle; 43. a tension spring; 24. positioning holes; 25. a limiting surface; 5. a shackle; 26. a lock hole; 251. an avoidance groove; 51. a slide bar; 11. a slide hole; 52. a threaded rod; 12. a threaded seat; 53. a third gear; 6. a blocking cover; 27. a chute; 61. pulling a rope; 9. a padlock is provided.

Detailed Description

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

Referring to fig. 1 and 2, the door lock structure for a granary disclosed by the invention comprises a door frame 10 and a door body 1, wherein the door body 1 is hinged with the door frame 10 through the edge in the width direction. The door body 1 is rotatably provided with a handle 2, the handle 2 is fixed with a rotating shaft 21, and the rotating shaft 21 penetrates through the door body 1 and is rotatably connected with the door body 1. The first gear 211 is coaxially fixed on the rotating shaft 21, the second gear 3 meshed with the first gear 211 is arranged on the door body 1 in a rotating mode, the diameter of the second gear 3 is larger than that of the first gear 211, the door body 1 is provided with the connecting rod 31 in a sliding mode, the length direction and the sliding direction of the connecting rod 31 are in the vertical direction, the connecting rod 31 comprises a rack section 311, and the rack section 311 is meshed with the second gear 3. A lock piece 312 is fixed to an end of the connecting rod 31 remote from the rack segment 311, and a lock groove 101 into which the lock piece 312 is inserted is provided on a wall surface of the door frame 10 facing the door body 1. The handle 2 is located on one side of the door body 1 facing the outside of the door, and the first gear 211, the second gear 3 and the connecting rod 31 are located on one side of the door body 1 facing the inside of the door.

When the door body 1 is relative to the door frame 10, a person drives the handle 2 to rotate, the handle 2 drives the gear I211 to rotate through the rotating shaft 21, the gear I211 drives the gear II 3 to rotate, and the gear I211 generates a labor-saving effect in the process of rotating the gear II 3; the second gear 3 drives the rack segment 311 to move, so that the locking block 312 is inserted into the locking groove 101, and the door frame 10 and the door body 1 are locked.

Referring to fig. 3 and 4, a connecting rod 4 and a ball groove 22 are arranged at the end part of the handle 2 away from the rotating shaft 21, and the connecting rod 4 is rotatably connected with the ball groove 22 through a ball head 41 arranged at the end part; the end part of the handle 2 departing from the rotating shaft 21 is also provided with a connecting groove 23, and the connecting groove 23 is communicated with the ball groove 22 and the side wall of the handle 2 departing from the door body 1. The rocking handle 42 is sleeved and connected outside the connecting rod 4 in a sliding mode, the rocking handle 42 is provided with a tension spring 43, the tension spring 43 is sleeved outside the connecting rod 4, two ends of the tension spring 43 are fixed to the rocking handle 42 and the ball head 41 respectively, the end portion of the rocking handle 42 is driven by the elastic force of the tension spring 43 to abut against the outer wall of the handle 2, and the connecting groove 23 is formed in a size capable of allowing the connecting rod 4 and the tension spring 43 to pass through. The side wall of the handle 2 departing from the door body 1 is provided with a positioning hole 24 for embedding the end part of the rocking handle 42, and the positioning hole 24 is over against the ball 41.

Referring to fig. 4 and 5, the rocking handle 42 and the handle 2 can be switched to two states of parallel longitudinal directions and perpendicular longitudinal directions by rotation, and a person can extend the tension spring 43 by pulling the rocking handle 42 and then switch the position state of the rocking handle 42 by rotating the rocking handle 42 around the ball 41. When the length direction of the rocking handle 42 is parallel to the handle 2, the rocking handle 42 is abutted against the end part of the handle 2 through the end part, under the elastic force action of the tension spring 43, the rocking handle 42 and the handle 2 can keep a relatively stable position state, at the moment, the rocking handle 42 is abutted against the surface of the door body 1, and the rocking handle 42 is not easy to influence the passing of people; when the length direction of the rocking handle 42 is perpendicular to the handle 2, the end of the rocking handle 42 is inserted into the positioning hole 24 for positioning, and then the person can rotate the handle 2 more conveniently through the rocking handle 42.

Referring to fig. 3 and 4, the handle 2 includes a stopper surface 25 facing the door body 1, and the stopper surface 25 abuts against a surface of the door body 1. Door body 1 is equipped with shackle 5 towards hand (hold) 2, and shackle 5 is located the pivot 21 under, and hand (hold) 2 is equipped with lockhole 26, and lockhole 26 link up to spacing face 25 from the face that hand (hold) 2 deviates from door body 1, and hand (hold) 2 can make lockhole 26 just to shackle 5 through rotating. The lock hole 26 extends along the length direction of the handle 2 and is in a long strip shape, the lock hole 26 can be penetrated by the lock beam of the padlock 9 but can not be penetrated by the lock body of the padlock 9, and the lock beam of the padlock 9 can be hooked with the shackle 5 after penetrating through the lock hole 26. The stopper surface 25 is provided with an escape groove 251 for escaping the shackle 5, and both ends of the escape groove 251 penetrate through both side walls in the width direction of the handle 2.

The shackle 5 can move along the thickness direction of the door body 1, and the concrete structure is as follows: a slide rod 51 is fixed on the shackle 5, a slide hole 11 is formed in the door body 1 in the thickness direction, the slide rod 51 is connected with the slide hole 11 in a sliding mode, the cross sections of the slide rod 51 and the slide hole 11 are non-circular, and the slide rod 51 cannot rotate in the slide hole 11. The end part of the sliding rod 51 is rotatably connected with a threaded rod 52, the length direction of the threaded rod 52 is also along the thickness direction of the door body 1, the door body 1 is fixedly provided with a threaded seat 12 in threaded connection with the threaded rod 52, the end part of the threaded rod 52 facing the indoor direction is coaxially fixed with a third gear 53, and the third gear 53 is meshed with a second gear 3. When the gear II 3 rotates, the gear III 53 is driven to synchronously rotate, and when the threaded rod 52 rotates, the sliding rod 51 is driven to slide in the sliding hole 11 through the threaded connection effect, so that the position of the shackle 5 is adjusted; the shackle 5 does not rotate when in the displaced position. The thread direction of the threaded rod 52 and the length of the sliding rod 51 are set as follows: when the lock piece 312 and the lock groove 101 are locked by rotating the rotating shaft 21, the hook ring 5 moves in the direction of the handle 2. When the lock piece 312 is not completely inserted into the lock slot 101, the shackle 5 cannot be passed through after the lock beam of the padlock 9 passes through the lock hole 26, and when the lock piece 312 moves to a limit position in a direction away from the door body 1, the shackle 5 is just positioned at a position where the shackle of the padlock 9 can pass through. This arrangement ensures that lock block 312 is in the most secure state of being fully locked to door frame 10 when padlock 9 is installed.

The handle 2 is slidably provided with a blocking cover 6, and the blocking cover 6 is located on one side of the lock hole 26 departing from the connecting rod 4, specifically between the rotating shaft 21 and the lock hole 26. The blocking cover 6 is connected with a sliding groove 27 formed in the side wall of the handle 2 in a sliding mode through a sliding strip, and the sliding direction of the blocking cover 6 is along the length direction of the handle 2; the sliding resistance between the cover 6 and the handle 2 is insufficient for the cover 6 to slide downward by its own weight. A cavity for partial entering of the padlock 9 is arranged in the blocking cover 6, and the opening of the cavity faces to the lock hole 26; when the padlock 9 is installed on the shackle 5, a person can shield the top of the padlock 9 from the blocking cover 6 by sliding the blocking cover 6, so that a good rain shielding effect is achieved for the padlock 9.

A pull rope 61 is also connected between the rocking handle 42 and the blocking cover 6, and the position of the pull rope 61 connected with the rocking handle 42 is positioned in the middle of the rocking handle 42. Referring to fig. 4 and 5, the length of the pulling rope 61 is set as: when the rocking handle 42 rotates around the ball 41 to a position abutting against the surface of the door body 1, the rocking handle 42 drives the blocking cover 6 to move through the pulling rope 61, so that the blocking cover 6 moves to a position for blocking the lock hole 26 and the padlock 9. By providing the pull cord 61, it is possible to prevent a person from forgetting to pull down the stopper cover 6 to a certain extent.

In conclusion, the door lock structure can realize the anti-theft by using the common padlock 9, does not need to wind a chain lock, and has simple and effective anti-theft mode. Since the lock hole 26 and the shackle 5 can be aligned only once per rotation of the handle 2, it is convenient to ensure that the handle 2 is rotated to a certain position where the lock piece 312 is inserted into the lock slot 101 before the padlock 9 is installed.

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 invention are covered by the protection scope of the invention.

Claims

1. A door lock structure of a granary comprises a door frame (10) and a door body (1), wherein a handle (2) is rotatably arranged on the door body (1), the handle (2) is connected with a lock block (312), and the lock block (312) can be moved to abut against the door frame (10) by rotating the handle (2); the method is characterized in that: the door body (1) is equipped with shackle (5) towards hand (2), hand (2) are equipped with lockhole (26), hand (2) can make lockhole (26) just to shackle (5) through rotating, lockhole (26) can supply the lock beam of padlock (9) to pass and can't supply the lock body of padlock (9) to pass, and the lock beam of padlock (9) can be with shackle (5) hookup after passing lockhole (26).

2. The door lock structure of a grain bin according to claim 1, wherein: handle (2) are fixed with pivot (21), pivot (21) pass the door body (1) and rotate with the door body (1) and be connected, pivot (21) coaxial fixed with gear (211), rotate on the door body (1) and be provided with two (3) with gear (211) meshing, the diameter of two (3) of gear is greater than gear (211), locking piece (312) are removed by two (3) drives of gear.

3. The door lock structure of the granary according to claim 2, wherein: the sliding connection is provided with connecting rod (31) on the door body (1), locking piece (312) set up on connecting rod (31), connecting rod (31) include rack section (311), rack section (311) and two (3) meshing of gear.

4. The door lock structure of a grain bin according to claim 1, wherein: the handle (2) comprises a limiting surface (25) facing the door body (1), the limiting surface (25) abuts against the surface of the door body (1), and an avoiding groove (251) for avoiding the shackle (5) is formed in the limiting surface (25).

5. The door lock structure of a grain bin according to claim 1, wherein: handle (2) tip is equipped with connecting rod (4), ball groove (22), bulb (41) through locating the tip rotates with ball groove (22) to be connected connecting rod (4), connecting rod (4) overcoat is established and sliding connection has rocking handle (42), rocking handle (42) are equipped with extension spring (43), the elasticity of extension spring (43) orders about rocking handle (42) tip and supports tightly in handle (2) outer wall, the tip that handle (2) deviates from its axis of rotation is equipped with spread groove (23), spread groove (23) and ball groove (22) intercommunication, with handle (2) the lateral wall intercommunication that deviates from the door body (1), connecting rod (4), extension spring (43) can pass through spread groove (23), the lateral wall that handle (2) deviates from the door body (1) is equipped with locating hole (24) that supply rocking handle (42) tip embedding.

6. The door lock structure of the granary according to claim 5, wherein: the handle (2) is provided with a blocking cover (6) in a sliding manner, the blocking cover (6) is positioned on one side of the lock hole (26) departing from the connecting rod (4), and the rocking handle (42) is connected with the blocking cover (6) through a pull rope (61); when the rocking handle (42) rotates to a position close to the surface of the door body (1), the rocking handle (42) drives the baffle cover (6) to move to a position for shielding the lock hole (26) and the padlock (9) through the pull rope (61).

7. The door lock structure of the granary according to claim 2, wherein: the door body (1) is fixedly provided with a threaded seat (12) in threaded connection with the threaded rod (52), and the threaded rod (52) is driven to rotate by a rotating shaft (21); when the rotating shaft (21) rotates, the shackle (5) is driven to move, and when the locking block (312) moves to a limiting position in a direction away from the door body (1), the shackle (5) is just positioned at a position where a lock beam of the padlock (9) can pass through.

8. The door lock structure of a grain bin according to claim 7, wherein: a sliding rod (51) is fixed on the shackle (5), a sliding hole (11) is formed in the door body (1) along the thickness direction of the door body, the sliding rod (51) is connected with the sliding hole (11) in a sliding mode, and the sliding rod (51) cannot rotate in the sliding hole (11); the sliding rod (51) is rotatably connected with the threaded rod (52) through the end part.