CN211081357U

CN211081357U - Lock for underground coal mine

Info

Publication number: CN211081357U
Application number: CN201921597772.2U
Authority: CN
Inventors: 郝钢; 申龙�; 付健娜; 连晋波
Original assignee: Shanxi Fenxi Mining Group Co Ltd
Current assignee: Shanxi Fenxi Mining Group Co Ltd
Priority date: 2019-09-25
Filing date: 2019-09-25
Publication date: 2020-07-24
Anticipated expiration: 2029-09-25

Abstract

The utility model provides a tool to lock for colliery is in pit, include: the lock comprises a lock head, a lock body, a lock bolt and a lock rod, wherein the lock head is of a structure with two parallel end parts, the lock body is of a structure with two parallel independent deep holes, the two end parts of the lock head are matched with one ends of the two deep holes of the lock body, and other parts of the lock head are clamped outside the lock body; the lock bolt is clamped at one end of the lock rod, the lock rod is matched with the other ends of the two deep holes, and the lock rod connects the lock bolt at two ends of the lock head. The utility model provides a colliery in the pit lockset easily impaired problem, the security that increases the tool to lock and use.

Description

Lock for underground coal mine

Technical Field

The utility model relates to a safety tool field, in particular to a tool to lock for colliery is in pit.

Background

The underground coal mine is provided with important places such as a substation, a fire-fighting material warehouse, a nitrogen injection pump station, a special air return way and the like, wherein only professional personnel can enter the places, and other personnel cannot enter the places. The iron chain and the common lockset are generally used in the important places for management, but the common lockset and the iron chain are easily damaged by violence, and the lockset is easily rusted in a coal mine well and easily blocked by dust, so that troubles are brought to daily work management.

SUMMERY OF THE UTILITY MODEL

For solving the problem that the colliery is easy impaired in the colliery tool to lock in the pit among the prior art, the utility model provides a be used for colliery tool to lock in the pit.

The technical scheme of the utility model is realized like this:

a lockset for underground coal mine comprises: the lock comprises a lock head, a lock body, a lock bolt and a lock rod, wherein the lock head is of a structure with two parallel end parts, the lock body is of a structure with two parallel independent deep holes, the two end parts of the lock head are matched with one ends of the two deep holes of the lock body, and other parts of the lock head are clamped outside the lock body; the lock bolt is clamped at one end of the lock rod, the lock rod is matched with the other ends of the two deep holes, and the lock rod connects the lock bolt at two ends of the lock head.

Preferably, the tapered end is U-shaped, and the both ends of tapered end set up to screw thread portion, and the top of two screw thread portions of tapered end is provided with the gasket, and the diameter of gasket is greater than the diameter of deep hole.

Preferably, the lock is provided as a nut.

Preferably, the lock body includes two bodys and the body of rod of connecting two bodys, and the both ends of two bodys all are provided with the mounting that has the perforation, and the lateral part of the tip of two bodys and locking lever complex has the notch.

Preferably, the lock rod comprises a long rod body, one end of the long rod body is provided with a lock groove matched with the lock bolt, and the length of the long rod body is greater than that of the deep hole.

Preferably, the tube body and the sealing pieces at the two ends of the tube body are of an integral structure.

Preferably, the other end of the long rod body is provided with a handle.

Preferably, nuts are provided on both threaded portions of the lock cylinder adjacent to the washers.

Preferably, the ratio of the depth of the deep hole to the depth of the lock head is greater than 2.

The utility model has the advantages that: the lock body and the lock head of the utility model are locked by the lock bolt, which is difficult to be destroyed; the lock body is not influenced by dust blockage, and the management safety is improved. The deep hole of lock body and the cooperation of locking lever just can be connected set bar and tapered end, and the structure of lock body avoids general instrument to insert to the lock in, strengthens the security of tool to lock.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be 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 inventive exercise.

FIG. 1 is a schematic structural view of a lock for use in an underground coal mine according to the present invention;

figure 2 is a side view of the lock body of figure 1.

In the figure:

1. a lock head; 2. a lock body; 3. a lock bolt; 4. a lock lever; 5. a gasket; 6. a nut; 21. a notch.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Example (b): as shown in fig. 1, a lock for a coal mine underground includes: the lock comprises a lock head 1, a lock body 2, a lock bolt 3 and a lock rod 4, wherein the lock head 1 is of a structure with two parallel end parts, the lock body 2 is of a structure with two parallel independent deep holes, the two end parts of the lock head 1 are matched with one ends of the two deep holes of the lock body 2 and extend into one ends of the two deep holes, and other parts of the lock head are clamped outside the lock body; the lock bolt 3 is clamped at one end of the lock rod, the lock rod 4 is matched with the other ends of the two deep holes, and the lock bolt 3 is connected at two ends of the lock head by the lock rod 4. The lock bolt can be connected with the lock head in a clamping way or in a screw connection way, the lock bolt penetrates the lock head which is conveyed to one end of the deep hole from the other end of the deep hole by the lock rod, and the lock bolt is connected to the lock head to connect and lock the lock head and the lock body.

Tapered end 1 is U shape structure, and the both ends of tapered end set up to screw thread portion, and the top of two screw thread portions of tapered end is provided with gasket 5, and the diameter of gasket is greater than the diameter of deep hole, and gasket 5 is used for making other positions cards of tapered end outside the lock body. The lock bolt 3 is provided as a nut.

The lock head is in threaded connection with the lock bolt, so that the lock bolt can be conveniently connected to the lock head and detached from the lock head, the locking and unlocking operations are very simple, but the lock body and the lock head are difficult to damage due to the matching of a special lock rod, and the threaded part and the lock bolt of the lock head in the lock body are protected by the lock body; and the lock bolt and the lock head cannot be influenced by dust blockage, and dust in the lock body is easy to clean. The two screw thread portions of the lock head 1 are provided with nuts 6 adjacent to the gaskets, so that the strength of the lock head is strengthened, and the safety of the lock head is strengthened.

The lock body 2 comprises two pipe bodies and a rod body connected with the two pipe bodies, sealing pieces with through holes are arranged at two ends of the two pipe bodies, and notches 21 are formed in the side portions of the end portions, matched with the lock rods, of the two pipe bodies. The lock rod 4 comprises a long rod body, one end of the long rod body is provided with a lock groove matched with the lock bolt, and the length of the long rod body is larger than that of the deep hole.

The inner cavities of the two tube bodies of the lock body are two deep holes of the lock body, the structure of the lock body is very simple, and the lock body is easy to be matched with a lock head; the notch on the side of the tube body is used for placing the locking groove of the locking rod into the tube body, and simultaneously preventing other types of tools from extending into the inner side of the tube body. The sizes of the through holes of the sealing sheets at the two ends of the pipe body are different, the through hole of the sealing sheet at the end part matched with the lock head of the pipe body is matched with the thread part of the lock head, and the through hole of the sealing sheet at the end part matched with the lock rod of the pipe body is matched with the long rod body.

The body is rather than the mounting structure as an organic whole at both ends, increases lock body structure's stability and security. The other end of the long rod body is provided with a handle, so that the long rod body can be conveniently operated.

The lock bolt is provided with a nut, which can be a triangular nut, a square nut or a nut with other shapes; the lock groove at the end part of the lock rod is matched with the lock bolt and is relatively fixed with the lock bolt, and the lock groove drives the lock bolt to be connected with the thread part of the lock head along with the rotation of the lock rod.

The depth of the lock head is less than that of the lock body, and the ratio of the depth of the deep hole to the depth of the lock head is more than 2. The depth ratio of the lock body to the lock head is adjusted according to the actual situation. The depth ratio of the deep hole to the lock head further enhances the safety of the lock.

When the lock is used, the two end parts of the lock head are inserted into the two pipe bodies of the lock body, the nut is placed on the lock groove of the lock rod, the lock groove of the lock rod and the long rod body enter the pipe bodies through the notch of the side part of one pipe body, the long rod body extends into the lock head along the pipe body, the lock head and the lock body are relatively fixed by applying acting force, the nut in the lock groove is aligned to the thread part of the lock head, the long rod body is rotated, and the nut is screwed on the thread part of the lock head; the other end of the lock head is locked in the other tube body of the lock body in the same way. When the lock is unlocked, the lock rod extends into the tube body in the same way, the lock groove of the lock rod is sleeved on the nut in the tube body, the lock head and the lock body are relatively fixed by applying acting force, and the nut is unscrewed; and the nuts in the two pipe bodies are unscrewed and unlocked.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A lock for use in a coal mine, comprising: the lock comprises a lock head, a lock body, a lock bolt and a lock rod, wherein the lock head is of a structure with two parallel end parts, the lock body is of a structure with two parallel independent deep holes, the two end parts of the lock head are matched with one ends of the two deep holes of the lock body, and other parts of the lock head are clamped outside the lock body; the lock bolt is clamped at one end of the lock rod, the lock rod is matched with the other ends of the two deep holes, and the lock rod connects the lock bolt at two ends of the lock head.

2. The underground coal mine lock according to claim 1, wherein the lock head is U-shaped, two ends of the lock head are provided with threaded portions, the top ends of the two threaded portions of the lock head are provided with gaskets, and the diameter of each gasket is larger than that of each deep hole.

3. The coal mine underground lockset of claim 1 wherein said latch is configured as a nut.

4. The lockset for use in coal mine downhole as claimed in claim 1, wherein said lock body comprises two tubes and a rod connecting said two tubes, wherein said two tubes are provided with sealing pieces with through holes at both ends, and the side of the end of said two tubes cooperating with said locking rod is provided with a notch.

5. The underground coal mine lockset as recited in claim 1, wherein the locking rod comprises a long rod body, one end of the long rod body is provided with a locking groove matched with the locking bolt, and the length of the long rod body is greater than that of the deep hole.

6. The coal mine underground lockset as claimed in claim 4, wherein said tubular body is integral with said sealing pieces at both ends thereof.

7. The coal mine underground lockset as claimed in claim 5, wherein the other end of said long rod is provided with a handle.

8. The coal mine downhole lock according to claim 2, wherein nuts are provided on both threaded portions of said lock head adjacent to the washers.

9. The coal mine underground lockset of claim 2 wherein the ratio of the depth of said deep hole to the depth of said locking head is greater than 2.