Carbon dioxide port protective sleeve

By designing the insulating sleeve, conductive nozzle, and protective nozzle as a single integrated protective component, the problem of cumbersome installation and removal of existing carbon dioxide port protective sleeves is solved, achieving stable installation and convenient disassembly.

CN223876260UActive Publication Date: 2026-02-06RENQIU RENDE WELDING & CUTTING EQUIPMENT CO LTD
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Patent Information

Application Number
CN202520371484.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-05
Publication Date
2026-02-06
Estimated Expiration
2035-03-05

AI Technical Summary

Technical Problem

Existing CO2 port protection sleeves require repeated assembly and disassembly of components during installation and removal, which is cumbersome.

Method used

Design a port protection sleeve that integrates an insulating sleeve, a conductive nozzle, and a protective nozzle as a single protective component. The sleeve allows for easy installation and removal of the entire assembly through the combination of the bend body, connector, and protective sleeve body.

Benefits of technology

The installation and disassembly process has been simplified, making the protective components stable to install and easy to disassemble and replace later, avoiding the trouble of repeatedly combining and disassembling parts.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of welding appliances, in particular to a carbon dioxide port protective sleeve which comprises a bent pipe body, a first connector, a second connector and a protective sleeve body, the first connector is arranged at one end of the bent pipe body, the second connector is arranged at the other end of the bent pipe body, and the protective sleeve body is arranged at one end of the second connector. A protection assembly used for protecting the second connector is arranged in the protection sleeve body. According to the carbon dioxide port protection sleeve, the insulation sleeve, the contact tube and the protection nozzle are used as an integral protection assembly to be placed in the protection sleeve main body, so that during installation and disassembly, only the protection sleeve main body needs to be installed and disassembled, and compared with an existing carbon dioxide port protection sleeve, parts need to be repeatedly combined and disassembled one by one during installation and disassembly; according to the carbon dioxide port protection sleeve, a protection assembly can be stably installed on a protection sleeve body, and follow-up disassembly and replacement are also convenient.
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Description

TECHNICAL FIELD

[0001] The utility model relates to welding appliance technical field especially relates to carbon dioxide's port protection sleeve. BACKGROUND

[0002] In the process of welding, the end of the welding torch is usually equipped with a protective sleeve, for example, the main functions of the carbon dioxide welding torch port protection sleeve include protecting the welding site, ensuring the welding quality and improving the operation safety.

[0003] The existing carbon dioxide port protection sleeve is generally composed of a protective nozzle, a conductive nozzle and an insulating sleeve. During use, the above components need to be sequentially combined and installed at the connecting head of the welding torch. During disassembly, the components need to be sequentially disassembled in the same way. Such an installation method requires repeated combination and disassembly of the components during installation and disassembly, which is very troublesome.

[0004] In view of the above-mentioned problem that the existing carbon dioxide port protection sleeve needs to be repeatedly combined and disassembled during installation and disassembly, a port protection sleeve is designed, in which the protective nozzle, the conductive nozzle and the insulating sleeve are used as an integral protection assembly. In this way, the components do not need to be combined and disassembled during installation and disassembly, thereby avoiding the above-mentioned problem. SUMMARY

[0005] In order to overcome the problem that the existing carbon dioxide port protection sleeve needs to be repeatedly combined and disassembled during installation and disassembly.

[0006] The technical scheme of the utility model is as follows: a carbon dioxide port protection sleeve, comprising a bend pipe body, a connecting head one, a connecting head two and a protective sleeve body, one end of the bend pipe body is provided with the connecting head one, the other end of the bend pipe body is provided with the connecting head two, one end of the connecting head two is provided with the protective sleeve body, and the protective sleeve body is internally provided with a protection assembly for protecting the connecting head two.

[0007] As a preferred, the protection assembly comprises an insulating sleeve, the insulating sleeve is arranged in the protective sleeve body, one end of the insulating sleeve is sleeved with the conductive nozzle, and one end of the conductive nozzle is sleeved with the protective nozzle.

[0008] As a preferred, one end surface of the protective sleeve body is provided with anti-skid protrusions, the anti-skid protrusions are symmetrically arranged, and the anti-skid protrusions are located at the end of the protective sleeve body.

[0009] As a preferred, the inside of the protective sleeve body is provided with a groove, the insulating sleeve, the conductive nozzle and the protective nozzle are all located in the groove, the inside of the protective sleeve body is provided with a through hole, and the inner diameter of the through hole of the protective sleeve body is smaller than the inner diameter of the groove.

[0010] As preferred, one end surface of the protective sleeve body is fixedly connected with a threaded ring, the surface of the threaded ring is threadedly connected with a fixing ring, the inner diameter of the fixing ring is smaller than the inner diameter of the groove, the fixing ring is used for fixing the protection assembly, and the surface of the fixing ring is uniformly provided with anti-skid lines.

[0011] As preferred, the other end of the protective sleeve body is provided with a connecting port, the outer side of the connecting head two is provided with threads, and the connecting head two is adapted to the connecting port.

[0012] As preferred, the connecting head two is adapted to the insulating sleeve, and one end of the connecting head two is located in the insulating sleeve.

[0013] The carbon dioxide port protection sleeve puts the insulating sleeve, the conductive nozzle and the protection nozzle as a whole protection assembly into the protective sleeve body, so that during installation and disassembly, only the protective sleeve body needs to be installed and disassembled, and compared with the existing carbon dioxide port protection sleeve which needs to be repeatedly combined and disassembled during installation and disassembly, the problem of being very troublesome is solved, the carbon dioxide port protection sleeve can stably install the protection assembly in the protective sleeve body, and subsequent disassembly and replacement are also convenient. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 The carbon dioxide port protection sleeve of the utility model is shown as a three-dimensional structure schematic view of a bend main body;

[0015] Figure 2 The carbon dioxide port protection sleeve of the utility model is shown as a three-dimensional structure schematic view of a connecting head two;

[0016] Figure 3 The carbon dioxide port protection sleeve of the utility model is shown as a three-dimensional structure schematic view of a connecting port;

[0017] Figure 4 The carbon dioxide port protection sleeve of the utility model is shown as a three-dimensional structure schematic view of a protection nozzle;

[0018] Figure 5 The carbon dioxide port protection sleeve of the utility model is shown as a three-dimensional structure schematic view of a threaded ring;

[0019] Figure 6 The carbon dioxide port protection sleeve of the utility model is shown as a three-dimensional structure schematic view of a groove.

[0020] The reference signs are explained as follows: 1, bend main body; 2, connecting head one; 3, connecting head two; 4, protective sleeve body; 5, connecting port; 6, anti-skid protrusion; 7, threaded ring; 8, fixing ring; 9, insulating sleeve; 10, conductive nozzle; 11, protection nozzle; 12, groove. DETAILED DESCRIPTION

[0021] The utility model is further explained in connection with the drawings and embodiments.

[0022] Please refer to Figure 1 - Figure 6 The utility model provides a kind of embodiment: the port protection sleeve of carbon dioxide, including bend pipe main body 1, still including connector one 2, connector two 3 and protection sleeve main body 4, one end of bend pipe main body 1 is equipped with connector one 2, the other end of bend pipe main body 1 is equipped with connector two 3, one end of connector two 3 is equipped with protection sleeve main body 4, protection sleeve main body 4 is equipped with the protection assembly for protecting connector two 3 in.

[0023] Please refer to Figure 4 - Figure 6 In the embodiment, the protection assembly includes insulating sleeve 9, insulating sleeve 9 is arranged in protection sleeve main body 4, one end of insulating sleeve 9 is sleeved with electrically-conductive nozzle 10, one end of electrically-conductive nozzle 10 is sleeved with protection nozzle 11, the surface of one end of protection sleeve main body 4 is equipped with anti-skid protrusion 6, anti-skid protrusion 6 is symmetrically arranged, anti-skid protrusion 6 is located at the end of protection sleeve main body 4, the inside of protection sleeve main body 4 is equipped with recess 12, insulating sleeve 9, electrically-conductive nozzle 10 and protection nozzle 11 are all located in recess 12, the inside of protection sleeve main body 4 is equipped with through hole, the inner diameter of through hole of protection sleeve main body 4 is less than the inner diameter of recess 12, the inner diameter of recess 12 is greater than the through hole of protection sleeve main body 4, so that recess 12 can lift the protection assembly, in the cooperation with fixed collar 8, to stably fix the protection assembly in protection sleeve main body 4.

[0024] Please refer to Figure 2 、 Figure 3 and Figure 5 In the embodiment, one end of protection sleeve main body 4 is fixedly connected with threaded ring 7, the surface of threaded ring 7 is threadedly connected with fixed collar 8, the inner diameter of fixed collar 8 is less than the inner diameter of recess 12, and fixed collar 8 is used to fix the protection assembly, and the surface of fixed collar 8 is uniformly distributed with anti-skid lines, the other end of protection sleeve main body 4 is equipped with connecting port 5, the outside of connector two 3 is equipped with thread, connector two 3 is adapted with connecting port 5, connector two 3 is adapted with insulating sleeve 9, one end of connector two 3 is located in insulating sleeve 9, fixed collar 8 is used to fix the protection assembly, to prevent the protection assembly from being separated from protection sleeve main body 4, and the anti-skid lines provided on the surface of fixed collar 8 facilitate the staff to tighten fixed collar 8.

[0025] In use, first, the insulating sleeve 9, the conductive nozzle 10 and the protective nozzle 11 are combined together, then the protective assembly is placed into the groove 12 of the protective sleeve body 4, and then the fixing sleeve ring 8 is screwed at the threaded ring 7 at one end of the protective sleeve body 4, so that the installation of the protective assembly is completed, the fixing sleeve ring 8 is used for fixing the protective assembly to prevent the protective assembly from being separated from the protective sleeve body 4, and the anti-skid lines on the surface of the fixing sleeve ring 8 facilitate the tightening of the fixing sleeve ring 8 by the staff.

[0026] After the installation of the protective assembly is completed, the connecting port 5 at the other end of the protective sleeve body 4 is screwed at the outer threaded portion of the connecting head two 3, and the insulating sleeve 9 is inserted into the connecting head two 3, so that the installation of the protective sleeve body 4 is completed.

[0027] The surface of the fingers of the staff often has machine oil and the like, and the anti-skid protrusions 6 on the surface of the protective sleeve body 4 facilitate the tightening of the protective sleeve body 4 by the staff.

[0028] When the protective assembly needs to be replaced, the fixing sleeve ring 8 is only needed to be rotated and removed from the threaded ring 7, and the protective assembly can be taken out from the protective sleeve body 4.

[0029] The inner diameter of the groove 12 is greater than the through hole of the protective sleeve body 4, so that the groove 12 can lift the protective assembly, and in cooperation with the fixing sleeve ring 8, the protective assembly is stably fixed in the protective sleeve body 4.

[0030] Through the above steps, the carbon dioxide port protective sleeve puts the insulating sleeve 9, the conductive nozzle 10 and the protective nozzle 11 as a whole protective assembly into the protective sleeve body 4, so that when the protective sleeve body 4 is installed and disassembled, the existing carbon dioxide port protective sleeve needs to be repeatedly combined and disassembled, which is very troublesome, and the carbon dioxide port protective sleeve can stably install the protective assembly in the protective sleeve body 4, and the subsequent disassembly and replacement are also convenient.

[0031] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range of those skilled in the art without departing from the purpose of the utility model.

Claims

1. A port protector for carbon dioxide comprising an elbow body (1); characterised in that: Also include the connector one (2), the connector two (3) and the protective sleeve body (4), one end of the elbow pipe body (1) is provided with the connector one (2), the other end of the elbow pipe body (1) is provided with the connector two (3), one end of the connector two (3) is provided with the protective sleeve body (4), the protective sleeve body (4) is provided with the protection assembly for protecting the connector two (3) inside.

2. The port protector for carbon dioxide of claim 1, wherein: The protection assembly includes an insulating sleeve (9), the insulating sleeve (9) is arranged in the protective sleeve body (4), one end of the insulating sleeve (9) is sleeved with a conductive nozzle (10), one end of the conductive nozzle (10) is sleeved with a protective nozzle (11).

3. The port protector for carbon dioxide of claim 2, wherein: One end surface of the protective sleeve body (4) is provided with anti-skid protrusions (6), the anti-skid protrusions (6) are symmetrically arranged, and the anti-skid protrusions (6) are located at the end of the protective sleeve body (4).

4. The port protector for carbon dioxide of claim 3, wherein: The inside of the protective sleeve body (4) is provided with a groove (12), the insulating sleeve (9), the conductive nozzle (10) and the protective nozzle (11) are located in the groove (12), and the inside of the protective sleeve body (4) is provided with a through hole.

5. The port protector for carbon dioxide of claim 4, wherein: One end surface of the protective sleeve body (4) is fixedly connected with a threaded ring (7), the surface of the threaded ring (7) is threadedly connected with a fixed sleeve ring (8), the inner diameter of the fixed sleeve ring (8) is smaller than the inner diameter of the groove (12), the fixed sleeve ring (8) is used for fixing the protection assembly, and the surface of the fixed sleeve ring (8) is uniformly distributed with anti-skid lines.

6. The port protector for carbon dioxide of claim 5, wherein: The other end of the protective sleeve body (4) is provided with a connecting port (5), the outer side of the connector two (3) is provided with a thread, and the connector two (3) is matched with the connecting port (5).

7. The port protector for carbon dioxide of claim 6, wherein: The connector two (3) is matched with the insulating sleeve (9), the connector two (3) is matched with the insulating sleeve (9), and one end of the connector two (3) is located in the insulating sleeve (9).