CN219452782U - Locking device for chain connecting ring - Google Patents

Abstract

The utility model discloses a chain link locking device, which relates to the technical field of mining appliances and comprises a locking cylinder and opening annular teeth, wherein the opening annular teeth comprise two locking cylinders. According to the utility model, the inner side of the locking cylinder is connected with the opening annular teeth, the abutting columns are inserted into the locking cylinder, the clamping blocks on two sides are pushed to be clamped into the fixing grooves on the inner side of the opening annular teeth in an outward moving mode, meanwhile, when the abutting columns are inserted into the locking cylinder, the lower limit clamping blocks on two sides are stressed to be extruded inwards, when the abutting columns are completely inserted into the locking cylinder, the lower limit clamping blocks reach the lower sides of the opening annular teeth to be exposed, the opening annular teeth are pushed to pop out along the through grooves by elastic force generated by the supporting springs, the opening annular teeth are matched with the upper limit clamping rings to be abutted to the upper side and the lower side of the opening annular teeth, so that connection stability is guaranteed, and meanwhile, the fixing device which is caused by shaking along with the use of the connecting links is prevented from frequently falling off, and therefore use safety is guaranteed.

Description

Locking device for chain connecting ring

Technical Field

The utility model relates to the technical field of mining appliances, in particular to a chain link locking device.

Background

The chain link is also known as a mining connecting ring, is one of important accessories of a coal mine scraper machine, plays a role of connecting chains, and at present, when the scraper machine leaves a factory, a plastic fixing device is arranged in the middle of the hinged chain link. The following problems exist in the prior art:

1. the existing lock device for the chain links is characterized in that the plastic fixing device is made of plastic, abrasion is easy to generate due to small friction force, and nuts at the connecting positions are easy to loosen due to friction and vibration during use of the chain links in a pin shaft fixing mode and the like, so that the fixing device is frequently detached, further the tripping of the hinged chain links is triggered, and great influence is caused on mining personnel;

2. the existing chain link locking device is usually fixed by using a pin shaft to match with a bolt and a nut, etc., but the installation process of the existing chain link locking device is often matched with other tools or manually screwed with the nut, etc. so as to ensure stable connection, and the existing chain link locking device is relatively troublesome to use and not convenient enough.

Disclosure of Invention

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a connect chain ring locking device, includes locking cylinder and opening ring gear, opening ring gear is including two, locking cylinder movable joint is in the inboard of two opening ring gear, the draw-in groove that pierces through locking cylinder lateral wall has been seted up to locking cylinder's front and back both sides, the inside movable mounting of draw-in groove has the fixture block, the top movable joint of locking cylinder has last spacing snap ring, the top fixed mounting of last spacing snap ring has the handle, the bottom fixedly connected with butt post of last spacing snap ring, the mounting groove has been seted up to the bottom of butt post, logical groove has been seted up to the lower extreme of butt post side, the inside fixed mounting of mounting groove has the fixed plate, the equal fixedly connected with supporting spring in the left and right sides of fixed plate, the outside fixedly connected with of supporting spring is spacing fixture block down, spacing fixture block movable joint is in the inside of logical groove down.

The technical scheme of the utility model is further improved as follows: the lateral wall laminating of butt post is in the inner wall of a locking section of thick bamboo, both ends all are the arc setting about the inboard of fixture block, go up spacing snap ring and lower spacing fixture block and move about both sides of joint in opening annular tooth respectively, go up spacing snap ring and the height phase-match of opening annular tooth down between the spacing fixture block.

The technical scheme of the utility model is further improved as follows: the outside of lower spacing fixture block can be along with the outer wall laminating of supporting spring compression and butt post, the position of butt post and fixture block is crisscross to be set up.

The technical scheme of the utility model is further improved as follows: the inner side of the lower limit clamping block is fixedly provided with a limit plate, and the size of the limit plate is larger than that of the through groove.

The technical scheme of the utility model is further improved as follows: the inner side of the mounting groove is provided with a through groove, an external thread column is arranged at the bottom of the abutting column through the through groove thread, and an overhaul hand wheel with the same diameter as the abutting column is fixedly connected to the bottom of the external thread column.

The technical scheme of the utility model is further improved as follows: the inner sides of the opening annular teeth are provided with fixing grooves which are attached to the clamping blocks.

By adopting the technical scheme, compared with the prior art, the utility model has the following technical progress:

the utility model provides a chain connecting ring locking device, which is provided with a clamping block, an upper limit clamping ring, an abutting column, a lower limit clamping block and the like, wherein after opening annular teeth on two sides are connected, a locking cylinder is inserted between the opening annular teeth on two sides, the abutting column is inserted into the locking cylinder through a handheld handle, the abutting column abuts against the inner wall of the locking cylinder so as to push the clamping blocks on two sides to move outwards, the clamping blocks enter a fixing groove on the inner side of the opening annular teeth to ensure stable connection, meanwhile, when the abutting column is inserted into the locking cylinder, the lower limit clamping blocks on two sides are forced to drive a supporting spring to press inwards, the lower limit clamping blocks are retracted into the inside of the abutting column along the through groove, when the abutting column is completely inserted into the locking cylinder, the lower limit clamping blocks reach the lower side of the opening annular teeth to be exposed, the elastic force generated by the supporting spring pushes the opening annular teeth to pop up along the through groove, the upper limit clamping ring is matched with the opening annular teeth to abut against the upper side and the lower side of the opening annular teeth, so that the connection is stable, and meanwhile, the fixing device caused by shaking during use is prevented from frequently falling off, and the use safety is ensured.

The utility model provides a chain link locking device, which is provided with a locking cylinder, an abutting column, a lower limiting clamping block, clamping blocks and the like, wherein after the chain link locking device is used, the lower limiting clamping blocks on two sides are pressed from the lower side of an opening annular tooth to the inner side, so that a supporting spring is stressed and compressed, the lower limiting clamping block is driven to retract to the inner side of the abutting column along a through groove to be attached to the outer wall of the abutting column, meanwhile, a handle is pulled, an upper limiting clamping ring is driven by the handle, the abutting column is driven to move, the abutting column is further pulled upwards from the inner side of the locking cylinder to enable the clamping blocks to be stressed inwards to be reset and separated from the clamping joints of a fixing groove, and meanwhile, the opening annular tooth on two sides is separated by pulling the locking cylinder, so that the convenience in use is improved.

Drawings

FIG. 1 is a schematic view of the construction of the link locking device of the present utility model;

FIG. 2 is a schematic view of the structure of the upper limit snap ring of the present utility model;

FIG. 3 is a schematic exploded view of the structure of the latch barrel of the present utility model;

FIG. 4 is a schematic cross-sectional view of a latch barrel according to the present utility model.

In the figure: 1. a locking cylinder; 2. a clamping block; 3. an upper limit clamping ring; 4. a handle; 5. abutting the column; 6. a through groove; 7. a fixing plate; 8. a support spring; 9. a lower limit clamping block; 10. an internal thread; 11. an external threaded column; 12. overhauling a hand wheel; 13. an open annular tooth; 14. and a limiting plate.

Description of the embodiments

The utility model is further illustrated by the following examples:

examples

As shown in fig. 1-4, the utility model provides a chain link locking device, which comprises a locking cylinder 1 and an opening annular tooth 13, wherein the opening annular tooth 13 comprises two locking cylinders 1, the locking cylinders 1 are movably clamped on the inner sides of the two opening annular teeth 13, clamping grooves penetrating through the side walls of the locking cylinders 1 are formed in the front side and the rear side of the locking cylinders 1, clamping blocks 2 are movably mounted in the clamping grooves, an upper limit clamping ring 3 is movably clamped on the top of the locking cylinder 1, a handle 4 is fixedly mounted on the top of the upper limit clamping ring 3, an abutting column 5 is fixedly connected to the bottom of the upper limit clamping ring 3, a mounting groove is formed in the bottom of the abutting column 5, a through groove 6 is formed in the lower end of the side face of the abutting column 5, a fixing plate 7 is fixedly mounted in the inner side of the mounting groove, supporting springs 8 are fixedly connected to the left side and the right side of the fixing plate 7, lower limit clamping blocks 9 are fixedly connected to the outer sides of the supporting springs 8, and the lower limit clamping blocks 9 are movably clamped in the inner parts of the through grooves 6.

In this embodiment, through being provided with fixture block 2, go up spacing snap ring 3, butt post 5, spacing fixture block 9 down etc. through inserting the open ring tooth 13 of both sides between the open ring tooth 13 of both sides with locking cylinder 1 after connecting, insert the inside of locking cylinder 1 with butt post 5 through handheld handle 4, the inner wall through butt post 5 butt locking cylinder 1 and then promote the fixture block 2 outside activity of both sides, get into the fixed slot of open ring tooth 13 inboard through fixture block 2 and guarantee stable connection, simultaneously when inserting locking cylinder 1 through butt post 5, make the lower spacing fixture block 9 atress of both sides drive support spring 8 inwards extrude down spacing fixture block 9 along logical groove 6 inside butt post 5, when butt post 5 inserts in locking cylinder 1 completely, lower spacing fixture block 9 reaches the downside of open ring tooth 13 and exposes, the elasticity through support spring 8 production promotes open ring tooth 13 and pops out along logical groove 6, go up spacing snap ring 3 butt in the upper and lower both sides of open ring tooth 13 through opening ring tooth 13, thereby guarantee to connect firmly, thereby the safety in order to guarantee the steady use of the device that has guaranteed constantly rocked when having prevented the joint link to drop down when using simultaneously.

Examples

As shown in fig. 1-4, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the lateral wall laminating of butt post 5 is in the inner wall of locking cylinder 1, and both ends all are the arc setting about the inboard of fixture block 2, go up spacing snap ring 3 and lower spacing fixture block 9 and move about both sides about the annular tooth 13 of opening respectively the joint, go up the height phase-match between spacing snap ring 3 and the lower spacing fixture block 9 and the annular tooth 13 of opening.

In this embodiment, through being provided with the locking section of thick bamboo 1, the butt post 5, lower spacing fixture block 9, fixture block 2 etc. through the lower spacing fixture block 9 of pressing both sides from the downside inboard of opening ring tooth 13 after the use, make support spring 8 atress compress, and then drive down spacing fixture block 9 along leading to groove 6 to the inboard shrink of butt post 5 to laminating the outer wall of butt post 5, simultaneously through carrying handle 4, drive spacing snap ring 3 and then drive butt post 5 activity through handle 4, contact the inner wall of locking section of thick bamboo 1 through lower spacing fixture block 9, and then upwards take out from locking section of thick bamboo 1 with butt post 5, make fixture block 2 atress inwards reset break away from the joint of fixed slot, carry out the pull simultaneously with locking section of thick bamboo 1 and separate the opening ring tooth 13 of both sides, thereby the convenience when using has been improved.

The working principle of the link locking device will be described in detail below.

As shown in fig. 1-4, through inserting the opening annular teeth 13 of both sides between the opening annular teeth 13 of both sides through inserting the locking cylinder 1, insert the inside of locking cylinder 1 through holding handle 4 with butt post 5, the inner wall through butt post 5 butt locking cylinder 1 and then promote the fixture block 2 of both sides to move to the outside, get into the fixed slot of opening annular teeth 13 inboard through fixture block 2 and guarantee stable connection, simultaneously through butt post 5 when inserting in locking cylinder 1, make the inside of opening annular teeth 5 take in the interior of opening annular teeth 5 along leading to groove 6 under the lower limit fixture block 9 of support spring 8 atress drive, when the butt post 5 is fully inserted in the locking cylinder 1, the downside that lower limit fixture block 9 reached opening annular teeth 13 exposes, the elasticity through support spring 8 production promotes opening annular teeth 13 and pops up along leading to groove 6, cooperate the upper and lower both sides of limit clamp ring 3 butt in opening annular teeth 13, so as to guarantee the connection firm, make the support spring 8 receive the inside and drive down along leading to the inside of opening annular teeth 9 and push down along leading to groove 6 inside limit fixture block 9, and then drive the inside of opening annular teeth 1 and draw down the inside 5, and then drive the inside of opening annular teeth 1 from the inside of opening annular teeth 3, and then draw down the inside 5, and make the inside of opening annular teeth 1 and take out the inside of opening annular teeth 1 through the jack post 5.

The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.

Claims (6)

1. A chain link locking device comprising a locking cylinder (1) and an open annular tooth (13), characterized in that: the utility model provides a locking device for the door of the automobile, including opening ring gear (13), locking section of thick bamboo (1) activity joint is in the inboard of two opening ring gear (13), the draw-in groove that pierces through locking section of thick bamboo (1) lateral wall has been seted up to both sides around locking section of thick bamboo (1), the inside movable mounting of draw-in groove has fixture block (2), the top activity joint of locking section of thick bamboo (1) has last spacing snap ring (3), the top fixed mounting of last spacing snap ring (3) has handle (4), the bottom fixedly connected with butt post (5) of going up spacing snap ring (3), mounting groove has been seted up to the bottom of butt post (5), logical groove (6) have been seted up to the lower extreme of butt post (5) side, the inside fixed mounting of mounting groove has fixed plate (7), the equal fixedly connected with supporting spring (8) of the left and right sides of fixed plate (7), the outside fixedly connected with of supporting spring (8) is spacing fixture block (9) down, spacing fixture block (9) activity joint under the inside of leading to groove (6).

2. A connector link locking device as claimed in claim 1, wherein: the lateral wall laminating of butt post (5) is in the inner wall of shutting section of thick bamboo (1), both ends all are the arc setting about the inboard of fixture block (2), go up spacing snap ring (3) and lower spacing fixture block (9) activity joint respectively in the upper and lower both sides of opening annular tooth (13), go up the height phase-match between spacing snap ring (3) and lower spacing fixture block (9) and the height of opening annular tooth (13).

3. A connector link locking device as claimed in claim 1, wherein: the outer side of the lower limit clamping block (9) can be compressed along with the supporting spring (8) to be attached to the outer wall of the abutting column (5), and the positions of the abutting column (5) and the clamping block (2) are staggered.

4. A connector link locking device as claimed in claim 1, wherein: the inner side of the lower limit clamping block (9) is fixedly provided with a limit plate (14), and the size of the limit plate (14) is larger than that of the through groove (6).

5. A connector link locking device as claimed in claim 1, wherein: the inner side of the mounting groove is provided with a through groove (6), an external thread column (11) is arranged at the bottom of the abutting column (5) through the through groove (6) in a threaded mode, and an overhaul hand wheel (12) with the same diameter as the abutting column (5) is fixedly connected to the bottom of the external thread column (11).

6. A connector link locking device as claimed in claim 2, wherein: the inner sides of the opening annular teeth (13) are provided with fixing grooves which are attached to the clamping blocks (2).