CN113751825B

CN113751825B - Locking device of cutting torch switch for ship

Info

Publication number: CN113751825B
Application number: CN202111024802.2A
Authority: CN
Inventors: 张治�; 陈健; 黄聘蕾
Original assignee: Hudong Zhonghua Shipbuilding Group Co Ltd
Current assignee: Hudong Zhonghua Shipbuilding Group Co Ltd
Priority date: 2021-09-02
Filing date: 2021-09-02
Publication date: 2022-10-14
Anticipated expiration: 2041-09-02
Also published as: CN113751825A

Abstract

The invention relates to the technical field of cutting torch equipment, and discloses a locking device of a cutting torch switch for a ship. According to the invention, through the matched use of the left clamp and the right clamp and the limiting groove, the valve rod assembly is wrapped and fixed when the cutting torch is in a non-working state, the problem that the valve rod assembly is mistakenly touched and opened due to the friction force between the valve rod assembly and the ground when a worker pulls the cutting torch is avoided, energy is saved, the contact area and the friction force between the cutting torch and the ground when the worker pulls the cutting torch can be reduced by the arc-shaped outer surfaces of the left clamp and the right clamp, the valve rod assembly can be separated from the ground, the abrasion speed of the valve rod assembly is greatly reduced, and the service life of the valve rod assembly is prolonged.

Description

Locking device of cutting torch switch for ship

Technical Field

The invention relates to the technical field of cutting torch equipment, in particular to a locking device of a cutting torch switch for a ship.

Background

The cutting torch is a main tool for gas cutting of workpieces, mixes oxygen and acetylene in proportion to form preheating flame, and sprays high-pressure pure oxygen to the cut workpieces to burn the cut metals in oxygen jet flow, and the oxygen jet flow blows away slag (oxide) generated by burning to form a cutting seam.

The cutting torch is under non-operating condition, and the user is when taking, and for laborsaving convenience, often drag the cutting torch, the valve rod assembly that sets up on the partial cutting torch surface now becomes the knob formula, and it is at the dilatory in-process, and the frictional force that the valve rod assembly produced with ground contact leads to the valve rod assembly mistake easily to touch and open, causes gas leakage, the extravagant resource, and dangerous higher, also accelerates valve rod assembly's wearing and tearing speed and life, and also causes the valve rod assembly fault rate higher.

Disclosure of Invention

The invention aims to solve the defects in the prior art, such as: the locking device for the cutting torch switch for the ship is characterized in that the friction force generated by the contact of the valve rod assembly and the ground easily causes the valve rod assembly to be opened by mistake in the process of dragging the cutting torch by the knob type valve rod assembly, so that air leakage and resource waste are caused, the danger is high, the abrasion speed and the service life of the valve rod assembly are accelerated, and the failure rate of the valve rod assembly is high.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a locking device of cutting torch switch for boats and ships, includes the cutting torch body, the middle department at cutting torch body top is provided with gas valve rod assembly, the middle department of cutting torch body bottom is provided with cutting oxygen valve rod assembly, the bottom on cutting torch body right side is provided with preheating oxygen valve rod assembly, the surface of gas valve rod assembly and cutting oxygen valve rod assembly and preheating oxygen valve rod assembly all is provided with valve rod assembly locking device.

Valve rod assembly locking device includes the fixing base, the fixed cover of one end of fixing base connects the surface at the cutting torch body, the middle fixedly connected with gag lever post of department at fixing base top, left clamp and right clamp have been cup jointed in the activity respectively to the top and the bottom of gag lever post surface, the spacing groove has been seted up to the one end of left side clamp and right clamp opposite face, the spring groove has all been seted up to the middle department of left side clamp bottom and the middle department at right clamp top, the torsional spring has been cup jointed in the activity of the middle department of gag lever post surface, the top of torsional spring respectively with the top and the bottom fixed connection of two spring inslot walls, the other end of left side clamp articulates there is fixed cover.

Preferably, the shapes of the gas valve rod assembly, the cutting oxygen valve rod assembly and the preheating oxygen valve rod assembly are both hexagonal, and the outer diameters of the gas valve rod assembly, the cutting oxygen valve rod assembly and the preheating oxygen valve rod assembly are the same.

Preferably, the shape of the limiting groove is matched with that of the gas valve rod assembly, and the outer diameter of the limiting groove is 1.5 times of that of the gas valve rod assembly.

Preferably, the axis of the limiting rod coincides with the axis of the spring groove, and the middle of the limiting rod is movably sleeved inside the spring groove.

Preferably, the upper end and the lower end of the torsion spring are respectively sleeved with the movable rods in the two spring grooves, and the length of the torsion spring is 1.8 times of the depth of the spring grooves.

Preferably, a movable rod at one end of the fixing sleeve is sleeved at the other end of the right clamp, and the left clamp and the right clamp are symmetrically arranged on the front side and the rear side of the gas valve rod assembly.

Compared with the prior art, the invention has the beneficial effects that:

(1) According to the invention, through the matching use of the left clamp and the right clamp with the limiting groove, the valve rod assembly is wrapped and fixed when the cutting torch is in a non-working state, so that the problem that the valve rod assembly is mistakenly touched and opened due to the friction force between the valve rod assembly and the ground when a worker pulls the cutting torch is avoided, and the energy is saved.

(2) According to the invention, the outer walls of the left clamp and the right clamp are designed into the circular arc shape, so that the contact area and the friction force between the cutting torch and the ground when a worker pulls the cutting torch are reduced, the valve rod assembly can be separated from the ground, the abrasion speed of the valve rod assembly is greatly reduced, and the service life of the valve rod assembly is prolonged.

Drawings

FIG. 1 is a front view of the structure of the present invention;

FIG. 2 is a front sectional view of a portion of the structure of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2 in accordance with the present invention;

fig. 4 is an exploded view of a portion of the structure of the present invention.

In the figure: 1. a cutting torch body; 2. a gas valve stem assembly; 3. cutting the oxygen valve rod assembly; 4. preheating the oxygen valve stem assembly; 5. a valve stem assembly locking device; 51. a fixed seat; 52. a limiting rod; 53. a left clamp; 54. a limiting groove; 55. a right clamp; 56. a spring slot; 57. a torsion spring; 58. and (4) fixing sleeves.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-4, a locking device of cutting torch switch for boats and ships, including cutting torch body 1, the middle department at cutting torch body 1 top is provided with gas valve rod assembly 2, the middle department of cutting torch body 1 bottom is provided with cutting oxygen valve rod assembly 3, the bottom on cutting torch body 1 right side is provided with preheating oxygen valve rod assembly 4, gas valve rod assembly 2 and cutting oxygen valve rod assembly 3 all are provided with valve rod assembly locking device 5 with the surface of preheating oxygen valve rod assembly 4, the shape of gas valve rod assembly 2 and cutting oxygen valve rod assembly 3 and preheating oxygen valve rod assembly 4 is the hexagon, and the external diameter of gas valve rod assembly 2 and cutting oxygen valve rod assembly 3 and preheating oxygen valve rod assembly 4 is the same.

The valve rod assembly locking device 5 comprises a fixed seat 51, one end of the fixed seat 51 is fixedly sleeved on the outer surface of the cutting torch body 1, a limiting rod 52 is fixedly connected in the middle of the top of the fixed seat 51, a left clamp 53 and a right clamp 55 are respectively movably sleeved at the top end and the bottom end of the outer surface of the limiting rod 52, the left clamp 53 and the right clamp 55 are symmetrically arranged at the front side and the rear side of the gas valve rod assembly 2, a limiting groove 54 is formed in one end of the opposite surface of the left clamp 53 and the right clamp 55, the shape of the limiting groove 54 is matched with that of the gas valve rod assembly 2, the outer diameter of the limiting groove 54 is 1.5 times of that of the gas valve rod assembly 2, when the cutting torch is in a non-working state, the left clamp 53 and the right clamp 55 wrap and fix the valve rod assembly, the problem that the valve rod assembly is mistakenly touched and opened due to the friction force with the ground when a worker pulls the cutting torch is avoided, and energy is saved, the middle of the bottom of the left clamp 53 and the middle of the top of the right clamp 55 are both provided with spring grooves 56, the outer walls of the left clamp 53 and the right clamp 55 are designed into arc shapes, the contact area and the friction force between the left clamp 53 and the ground when a worker pulls a cutting torch are reduced, the valve rod assembly can be separated from the ground, the abrasion speed of the valve rod assembly is greatly reduced, the service life of the valve rod assembly is prolonged, the axis of the limiting rod 52 is overlapped with the axis of the spring grooves 56, the middle of the limiting rod 52 is movably sleeved in the spring grooves 56, the middle of the outer surface of the limiting rod 52 is movably sleeved with a torsion spring 57, the upper end and the lower end of the torsion spring 57 are respectively sleeved in the two spring grooves 56 by movable rods, the length of the torsion spring 57 in a natural state is 1.8 times of the depth of the spring grooves 56, the top end of the torsion spring 57 is respectively fixedly connected with the top and the bottom of the inner walls of the two spring grooves 56, the other end of the left clamp 53 is hinged with a fixed sleeve 58, and a movable rod at one end of the fixed sleeve 58 is sleeved at the other end of the right clamp 55.

The working principle is as follows: before the valve knobs of the gas valve rod assembly 2, the cutting oxygen valve rod assembly 3 and the preheating oxygen valve rod assembly 4 need to be rotated and opened, one ends of a left clamp 53 and a right clamp 55 are oppositely extruded, the limiting rod 52 serves as a rotating shaft, one ends of the left clamp 53 and the right clamp 55 which are extruded rotate oppositely, at the moment, a torsion spring 57 deforms and stores force, one ends of the left clamp 53 and the right clamp 55 are overlapped, a fixing sleeve 58 which is positioned above one end of the left clamp 53 is turned over, the extruded ends of the left clamp 53 and the right clamp 55 are sleeved, one ends of the left clamp 53 and one end of the right clamp 55 are both sleeved inside the fixing sleeve 58, at the moment, the left clamp 53 and the right clamp 55 are kept in an opening state, and a user can conveniently adjust the valve knobs at any time; when not using, after closing the valve knob, open fixed cover 58 again, left clamp 53 and right clamp 55 reset under torsional spring 57's elastic torsion effect for left clamp 53 and right clamp 55 are fixed the valve knob parcel, and the user avoids the valve knob mistake to touch and opens when dragging everywhere, and the protection valve knob is not knocked down, also can reduce the wearing and tearing of valve knob.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Claims

1. A locking device of a cutting torch switch for a ship comprises a cutting torch body (1), and is characterized in that a gas valve rod assembly (2) is arranged in the middle of the top of the cutting torch body (1), a cutting oxygen valve rod assembly (3) is arranged in the middle of the bottom of the cutting torch body (1), a preheating oxygen valve rod assembly (4) is arranged at the bottom of the right side of the cutting torch body (1), and valve rod assembly locking devices (5) are arranged on the outer surfaces of the gas valve rod assembly (2), the cutting oxygen valve rod assembly (3) and the preheating oxygen valve rod assembly (4);

the valve rod assembly locking device (5) comprises a fixing seat (51), one end of the fixing seat (51) is fixedly sleeved on the outer surface of the cutting torch body (1), a limiting rod (52) is fixedly connected to the middle of the top of the fixing seat (51), a left clamp (53) and a right clamp (55) are movably sleeved at the top end and the bottom end of the outer surface of the limiting rod (52) respectively, a limiting groove (54) is formed in one end of each of opposite surfaces of the left clamp (53) and the right clamp (55), spring grooves (56) are formed in the middle of the bottom of the left clamp (53) and the middle of the top of the right clamp (55), a torsion spring (57) is movably sleeved at the middle of the outer surface of the limiting rod (52), the top end of the torsion spring (57) is fixedly connected with the top and the bottom of the inner walls of the two spring grooves (56) respectively, and the other end of the left clamp (53) is hinged with a fixing sleeve (58);

the shape of the limiting groove (54) is matched with the shapes of the gas valve rod assembly (2), the cutting oxygen valve rod assembly (3) and the preheating oxygen valve rod assembly (4), and when the cutting torch is in a non-working state, the gas valve rod assembly (2), the cutting oxygen valve rod assembly (3) and the preheating oxygen valve rod assembly (4) are wrapped and fixed by the left clamp (53) and the right clamp (55).

2. The locking device of the cutting torch switch for the ship according to the claim 1, wherein the gas valve rod assembly (2), the cutting oxygen valve rod assembly (3) and the preheating oxygen valve rod assembly (4) are hexagonal in shape, and the gas valve rod assembly (2), the cutting oxygen valve rod assembly (3) and the preheating oxygen valve rod assembly (4) have the same outer diameter.

3. The locking device of the cutting torch switch for the ship according to claim 1, wherein the outer diameter of the limiting groove (54) is 1.5 times of the outer diameter of the gas valve stem assembly (2).

4. The locking device of the cutting torch switch for the ship according to claim 1, wherein the axis of the limiting rod (52) is coincident with the axis of the spring groove (56), and the middle part of the limiting rod (52) is movably sleeved in the spring groove (56).

5. The locking device of the cutting torch switch for the ship according to claim 1, wherein the upper end and the lower end of the torsion spring (57) are respectively sleeved with a movable rod inside the two spring slots (56), and the length of the torsion spring (57) is 1.8 times of the depth of the spring slots (56).

6. The locking device of the cutting torch switch for the ship according to the claim 1, wherein a movable rod at one end of the fixed sleeve (58) is sleeved at the other end of the right clamp (55), and the left clamp (53) and the right clamp (55) are symmetrically arranged at the front side and the rear side of the gas valve rod assembly (2).