CN210087023U

CN210087023U - Lock bolt

Info

Publication number: CN210087023U
Application number: CN201920248535.9U
Authority: CN
Inventors: 谢向君; 刘娟
Original assignee: Jiangsu Hongji Metalwork Co Ltd
Current assignee: Jiangsu Hongji Metalwork Co Ltd
Priority date: 2019-02-27
Filing date: 2019-02-27
Publication date: 2020-02-18
Anticipated expiration: 2029-02-27

Abstract

The utility model discloses a lock latch, which comprises a lock groove and a lock body, wherein the lock body is provided with an installation cavity, a lock tongue, a connecting rod, a positioning sleeve, a spring, a connecting rope, a positioning pulley, a fixed block and a movable block are arranged in the installation cavity, an opening for the penetration of the lock tongue is arranged on one side of the lock body, the positioning sleeve is right opposite to the opening, the lock tongue is arranged between the opening and the positioning sleeve, one end of the connecting rod passes through the positioning sleeve and is connected with the lock tongue, the other end of the connecting rod is connected with one end of the connecting rope, the positioning pulley is rotationally connected with one side of the installation cavity far away from the opening, the other end of the connecting rope passes through the positioning pulley, penetrates out from one side of the lock body and is connected with the movable block, the fixed block is fixed on one side between the lock tongue and the positioning, when the connecting rope is pulled, the bolt slides along the direction of retracting the lock body and the spring is stretched.

Description

Lock bolt

Technical Field

The utility model belongs to the technical field of the tool to lock and specifically relates to a hasp.

Background

The existing lock bolt is mostly driven to stretch out and draw back through a sliding rod, a knob or a lock head, on one hand, the structural form needs to arrange a plurality of hole sites outside the lock body to install parts, on the other hand, after long-term use, the conditions such as dust deposition and the like easily occur to interfere the matching operation of parts in the lock body, so that the lock bolt is used and the experience is poor.

SUMMERY OF THE UTILITY MODEL

To the situation of the prior art, the utility model aims to provide a simple structure, compactness and lock body surface need not to set up the hasp in a plurality of mounting hole grooves.

In order to realize the technical purpose, the utility model discloses a technical scheme does:

a lock latch comprises a lock groove and a lock body which are oppositely arranged, wherein the lock body is provided with an installation cavity, a lock tongue, a connecting rod, a positioning sleeve, a spring, a connecting rope, a positioning pulley, a fixed block and a movable block are arranged in the installation cavity, an opening for the lock tongue to penetrate out is formed in one side, opposite to the lock groove, of the lock body, the positioning sleeve is fixed in the installation cavity and is just opposite to the opening, the lock tongue is arranged between the opening and the positioning sleeve, one end of the connecting rod penetrates through the positioning sleeve and is connected with the lock tongue, the other end of the connecting rod is connected with one end of the connecting rope, the positioning pulley is rotatably connected to one side, away from the opening, of the installation cavity, the other end of the connecting rope penetrates out from one side, adjacent to the opening, of the lock body and is connected with the movable; the fixed block fix the installation cavity and lie in one side between spring bolt and the position sleeve, the spring be connected with the fixed block with its one end of connecting rod parallel, the other end of spring passes through the connecting piece and is connected with the other end of connecting rod, when the spring is in natural state, the lock body is stretched out to the spring bolt, when the rope was connected in the pulling, the spring bolt was followed the slip of withdrawal lock body direction and the spring was stretched.

Further, the spring bolt be the iron material, one side of keeping away from the spring bolt in the locked groove is equipped with the permanent magnet.

Furthermore, one side of one end of the lock tongue extending into the lock groove is provided with an arc-shaped surface structure.

Further, the installation intracavity still be equipped with the limiting plate, the limiting plate locate between connecting rod and the positioning pulley, the limiting plate on be equipped with the guiding hole that supplies the connecting rope to pass.

Furthermore, the outer wall of the lock body penetrating through the connecting rope is provided with an inserting block used for detachably inserting the fixed movable block.

By adopting the technical scheme, when a user unlocks the lock latch, the user only needs to pull the movable block to enable the connecting rope connected with the connecting block to pull the connecting rod to pull the lock tongue to be separated from the lock groove so as to unlock the lock latch, the spring is stretched at the moment, after the connecting block is released, the spring in the lock body can pull the connecting rod to reset so as to enable the lock tongue to extend out again, because one side of one end, extending into the lock groove, of the lock tongue passes through the arc-shaped surface structure, when the lock groove and the lock body are staggered, the stress can be decomposed through the arc-shaped surface structure in the alignment process of the lock tongue and the lock groove, so that when the lock tongue and the lock groove are not completely abutted, the lock tongue can be partially pressed in preliminarily until the lock tongue and the lock groove are completely aligned, the lock tongue is completely ejected out and is relatively restrained and fixed with the lock groove, the structure enables the outer surface, not only simple and convenient, the structure can design the compactification moreover, and the structure volume of compression hasp realizes volume smallclothes and appearance simplification.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a sectional view of one of the simple structures of the present invention, in which the state of the latch bolt extending into the lock groove is shown;

FIG. 2 is a schematic view of the latch from an exterior perspective corresponding to the embodiment of FIG. 1;

fig. 3 is a sectional view of a second embodiment of the present invention, in which the latch bolt is shown in a state of being disengaged from the locking groove;

fig. 4 is a third schematic sectional view of the third simple structure of the present invention, wherein the state of the bolt and the lock groove being dislocated is shown.

Illustration of the drawings:

1. a lock body; 11. a mounting cavity; 2. locking the groove; 21. a keyway cavity; 22. a permanent magnet; 3. a latch bolt; 31. a connecting rod; 32. a positioning sleeve; 33. a spring; 34. a fixed block; 35. an arc-shaped surface structure; 4. connecting ropes; 5. positioning the pulley; 6. a movable block; 7. a limiting plate; 71. a guide hole; 8. and (6) plugging the blocks.

Detailed Description

The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the scope of the present invention can be more clearly and clearly defined.

As shown in one of fig. 1 to 4, the utility model comprises a lock groove 2 and a lock body 1 which are oppositely arranged, wherein the lock body 1 is provided with a mounting cavity 11, a lock tongue 3, a connecting rod 31, a positioning sleeve 32, a spring 33, a connecting rope 4, a positioning pulley 5, a fixed block 34 and a movable block 6 are arranged in the mounting cavity 11, an opening for the lock tongue 3 to penetrate out is arranged at one side of the lock body 1 opposite to the lock groove 2, the positioning sleeve 32 is fixed in the mounting cavity 11 and is just opposite to the opening, the lock tongue 3 is arranged between the opening and the positioning sleeve 32, one end of the connecting rod 31 penetrates through the positioning sleeve 32 and is connected with the lock tongue 3, the other end of the connecting rod 31 is connected with one end of the connecting rope 4, the positioning pulley 5 is rotatably connected at one side of the mounting cavity 11 far away from the opening, after the other end of the connecting rope 4 bypasses the positioning pulley 5, one side surface of the lock, the side surface of the lock body 1 penetrating through the connecting rope 4 is provided with a through hole 12; fixed block 34 fix the installation cavity 11 and be located the one side between spring bolt 3 and position sleeve 32, spring 33 be connected with fixed block 34 with its one end that connecting rod 31 is parallel, the other end of spring 33 passes through the connecting piece and is connected with the other end of connecting rod 31, when spring 33 is in natural state, spring bolt 3 stretches out lock body 1, when pulling connection rope 4, spring bolt 3 slides and spring 33 is stretched along retraction lock body 1 direction.

The lock tongue 3 is made of iron, and a permanent magnet 22 is arranged on one side, far away from the lock tongue 3, in a lock groove cavity 21 of the lock groove 2.

Further, one side of one end, extending into the lock slot 2, of the lock tongue 3 is provided with an arc-shaped surface structure 35.

Further, installation cavity 11 in still be equipped with limiting plate 7, limiting plate 7 locate between connecting rod 31 and positioning pulley 5, limiting plate 7 on be equipped with the guiding hole 71 that supplies to connect rope 4 to pass.

Furthermore, the outer wall of the lock body 1 penetrating through the connecting rope 4 is provided with an inserting block 8 for detachably inserting the fixed movable block 6.

The utility model adopts the above technical scheme, when the user unlocks the lock latch, the connecting rope 4 connected with the connecting block 6 only needs to pull the movable block 6 to pull the connecting rod 31 to pull the lock tongue 3 to separate from the lock slot 2, so as to unlock the lock latch, at the moment, the spring 33 is stretched, and after the connecting block 6 is released, the spring 33 in the lock body 1 can pull the connecting rod 31 to reset, so as to extend the lock tongue 3 again, because the lock tongue 3 extends into one side of the lock slot 2 through the arc surface structure 35, when the lock slot 2 and the lock body 1 are staggered, the stress can be decomposed through the arc surface structure 35 in the alignment process of the lock tongue 3 and the lock slot 2, so that when the lock tongue 3 and the lock slot 2 are not completely aligned, the lock tongue 3 can be pressed in partially in preliminarily, until the lock tongue 3 and the lock slot 2 are completely aligned, the lock tongue 3 is completely ejected and is fixed with the lock, this structure makes the surface of lock body 1 need not to set up more mounting hole, only connects rope 4 through the pulling and can realize drawing flexible of spring bolt 3, and is not only simple convenient, and the structure can design the compactification moreover, and the structure volume of compression hasp realizes volume smallcity and appearance simplification.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A latch, characterized by: it includes relative locked groove (2) and lock body (1) that sets up, lock body (1) have installation cavity (11), be equipped with spring bolt (3), connecting rod (31), position sleeve (32), spring (33), connect rope (4), positioning pulley (5), fixed block (34) and movable block (6) in installation cavity (11), lock body (1) and one side relative with locked groove (2) be equipped with the opening that supplies spring bolt (3) to wear out, position sleeve (32) with fix in installation cavity (11) and just right with the opening, spring bolt (3) locate between opening and position sleeve (32), the one end of connecting rod (31) is passed position sleeve (32) and is connected with spring bolt (3), the other end of connecting rod (31) is connected with the one end of being connected rope (4), positioning pulley (5) rotate to be connected and keep away from open-ended one side in installation cavity (11), the other end of the connecting rope (4) passes through a side surface of the lock body (1) adjacent to the opening and is connected with the movable block (6) after passing around the positioning pulley (5), and a through hole (12) is formed in the side surface of the lock body (1) which passes through the connecting rope (4); fixed block (34) fix and be located one side between spring bolt (3) and position sleeve (32) in installation cavity (11), spring (33) be parallel to its one end with connecting rod (31) and be connected with fixed block (34), the other end of spring (33) passes through the connecting piece and is connected with the other end of connecting rod (31), when spring (33) are in natural state, lock body (1) is stretched out in spring bolt (3), when rope (4) is connected in the pulling, slide and spring (33) are stretched along withdrawal lock body (1) direction in spring bolt (3).

2. The latch bolt of claim 1, wherein: the lock bolt (3) be the iron material, one side of keeping away from lock bolt (3) in locked groove (2) is equipped with permanent magnet (22).

3. The latch bolt of claim 1, wherein: one side of one end, extending into the lock groove (2), of the lock tongue (3) is provided with an arc-shaped surface structure (35).

4. The latch bolt of claim 1, wherein: the mounting cavity (11) in still be equipped with limiting plate (7), limiting plate (7) locate between connecting rod (31) and positioning pulley (5), limiting plate (7) on be equipped with and supply to connect guiding hole (71) that rope (4) passed.

5. The latch bolt of claim 1, wherein: the outer wall of the lock body (1) penetrating through the connecting rope (4) is provided with an inserting block (8) used for detachably inserting the fixed movable block (6).