Gear limiting mechanism of carbon dioxide welding machine

Abstract

The utility model belongs to the technical field of gear limiting mechanisms, and particularly relates to a gear limiting mechanism of a carbon dioxide welding machine, which adopts the following scheme that the gear limiting mechanism comprises a welding machine, the knob is rotationally connected to the front side of the welding machine; the fixing mechanism is respectively matched with the unlocking mechanism and the knob; the limiting mechanism comprises a positioning ring, a positioning frame, a positioning spring and a fixing block; the positioning ring is fixedly arranged on the outer side of the rotary knob in a sleeved mode, the positioning frame is connected with the welding machine in a sliding mode, the positioning frame is fixedly connected with the positioning spring, the positioning spring is fixedly connected with the fixing block, and the fixing mechanism comprises a stopping block, a reset spring and a spring seat. And the positioning ring is fixedly connected with the gears, so that the gears can be limited, and the situation that the welding quality is affected after the gears are touched by mistake is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to gear limiting mechanism technical field especially relates to a carbon dioxide welding machine gear limiting mechanism. BACKGROUND

[0002] Carbon dioxide welding machine adopts advanced technology production and preparation, and performance is reliable overload capacity is strong, is applicable to various low carbon steel, low alloy steel's gas shielded welding;

[0003] Carbon dioxide welding machine in the process of using, if the staff accidentally touches the gear knob, will change the parameter of carbon dioxide welding machine, will reduce the welding quality, therefore, the utility model provides a carbon dioxide welding machine gear limiting mechanism for solving the above problems. UTILITY MODEL CONTENTS

[0004] The utility model discloses a carbon dioxide welding machine gear limiting mechanism, which is used to solve the problems in the prior art.

[0005] In order to achieve the above object, the utility model adopts the following technical scheme:

[0006] A carbon dioxide welding machine gear limiting mechanism, comprising

[0007] Welding machine;

[0008] Knob, the knob rotation is connected in the front side of welding machine;

[0009] Handle, the quantity of handle is two, and two handles are fixedly installed on the front side of welding machine;

[0010] Unlocking mechanism and fixed mechanism, the fixed mechanism is respectively matched with unlocking mechanism and knob;

[0011] Limiting mechanism, the limiting mechanism includes: positioning ring, positioning frame, positioning spring and fixed block;

[0012] Positioning ring fixedly covers the outside of knob, positioning frame is slidably connected with welding machine, positioning frame is fixedly connected with positioning spring, and positioning spring is fixedly connected with fixed block.

[0013] As a preferred scheme of the utility model, the fixed mechanism includes: blocking block, return spring and spring seat;

[0014] Blocking block is slidably connected with welding machine, blocking block is fixedly connected with return spring, return spring is fixedly connected with spring seat, and spring seat is fixedly connected with welding machine.

[0015] As a preferred scheme of the utility model, the unlocking mechanism comprises: a fixed rod, a sliding rod, a driving rod, a pushing rod and an unlocking rod;

[0016] The fixed rod is fixedly connected with the blocking block, the rear side of the sliding rod is slidably connected with the positioning frame, the right end of the sliding rod is slidably connected with the fixed rod, the driving rod is fixedly connected with the positioning frame, the pushing rod is rotatably connected with the driving rod and the unlocking rod respectively, and the unlocking rod is slidably connected with the welding machine.

[0017] As a preferred scheme of the utility model, a plurality of positioning grooves are arranged at equal intervals on the positioning ring, and a positioning block is fixedly installed at the bottom of the positioning frame, and the bottom of the positioning block is detachably clamped with the inner wall of the positioning groove.

[0018] As a preferred scheme of the utility model, the bottom of the blocking block is in sliding contact with the top of the positioning frame, and the top of the blocking block is in sliding contact with the bottom of the positioning frame.

[0019] As a preferred scheme of the utility model, a horizontal sliding groove is formed in the front side of the positioning frame, a vertical sliding groove is formed in the left side of the fixed rod, the rear side of the sliding rod is slidably connected with the inner wall of the horizontal sliding groove, and the right end of the sliding rod is slidably connected with the inner wall of the vertical sliding groove.

[0020] Beneficial effects:

[0021] 1. After the bottom of the blocking block is attached to the top of the positioning frame, the blocking block can block the positioning frame from being detached from the positioning ring, so that the positioning frame can be stably engaged with the positioning ring, and the positioning ring and the knob can be stably blocked from rotating, and after the top of the blocking block is attached to the bottom of the positioning frame, the blocking block can block the positioning frame from resetting, so that the positioning frame can continuously unlock the positioning ring, and the knob is convenient to use.

[0022] 2. When the sliding rod moves to the right side, the sliding rod can push the fixed rod and the blocking block to move to the right side, so as to be detached from the positioning frame and unlock the positioning frame, at this time, the unlocking rod is pushed, so that the unlocking rod can push the pushing rod, the pushing rod pushes the driving rod and the positioning frame to slide upward, so that the positioning frame can be detached from the positioning ring and unlock the positioning ring.

[0023] In the utility model: through the engagement of the positioning frame and the positioning ring, the positioning frame can stably block the positioning ring from rotating, the positioning of the positioning ring is realized, the positioning ring is fixedly connected with the gear, and the limitation of the gear is realized, so that the welding quality is prevented from being affected by the mistaken touch of the gear. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is the front view three-dimensional drawing of the utility model;

[0025] Figure 2 It is the side view three-dimensional drawing of the utility model;

[0026] Figure 3 The front view enlarged three-dimensional view of the utility model;

[0027] Figure 4 The top view enlarged three-dimensional view of the utility model.

[0028] In the figure: 1, welding machine;2, handle;3, knob;4, positioning ring;5, positioning frame;6, positioning spring;7, fixed block;8, blocking block;9, return spring;10, spring seat;11, fixed rod;12, sliding rod;13, driving rod;14, push rod;15, unlocking rod. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0030] EMBODIMENT

[0031] Referring to Figures 1-4 A carbon dioxide welding machine gear limiting mechanism, comprising

[0032] Welding machine 1;

[0033] Knob 3, which is rotationally connected to the front side of the welding machine;

[0034] Handle 2, the number of handles 2 is two, and both handles 2 are fixedly installed on the front side of the welding machine 1;

[0035] Unlocking mechanism and fixing mechanism, the fixing mechanism cooperates with the unlocking mechanism and the knob 3 respectively;

[0036] Limiting mechanism, the limiting mechanism comprises a positioning ring 4, a positioning frame 5, a positioning spring 6 and a fixed block 7;

[0037] The positioning ring 4 is fixedly sleeved on the outer side of the knob 3, the positioning frame 5 is slidingly connected with the welding machine, the positioning frame 5 is fixedly connected with the positioning spring 6, and the positioning spring 6 is fixedly connected with the fixed block 7.

[0038] Through the meshing of the positioning frame 5 and the positioning ring 4, the positioning frame 5 can stably block the rotation of the positioning ring 4, the limiting of the positioning ring 4 is realized, the positioning ring 4 is fixedly connected with the gear, and the limiting of the gear is realized, so that the welding quality is prevented from being affected by the mistaken touch of the gear.

[0039] As a preferred scheme of the utility model, the fixing mechanism comprises a blocking block 8, a return spring 9 and a spring seat 10.

[0040] The blocking block 8 is in sliding connection with the welding machine, the blocking block 8 is in fixed connection with the reset spring 9, the reset spring 9 is in fixed connection with the spring seat 10, the spring seat 10 is in fixed connection with the welding machine, after the bottom of the blocking block 8 is attached to the top of the positioning frame 5, the blocking block 8 can block the positioning frame 5 from disengaging from the positioning ring 4, so that the positioning frame 5 can stably engage with the positioning ring 4, and the positioning ring 4 and the knob 3 are stably blocked from rotating, after the top of the blocking block 8 is attached to the bottom of the positioning frame 5, the blocking block 8 can block the positioning frame 5 from resetting, so that the positioning frame 5 can continuously unlock the positioning ring 4, and the knob 3 is convenient to use.

[0041] As a preferred scheme of the utility model, the unlocking mechanism comprises: a fixed rod 11, a sliding rod 12, a driving rod 13, a pushing rod 14 and an unlocking rod 15.

[0042] The fixed rod 11 is in fixed connection with the blocking block 8, the rear side of the sliding rod 12 is in sliding connection with the positioning frame 5, the right end of the sliding rod 12 is in sliding connection with the fixed rod 11, the driving rod 13 is in fixed connection with the positioning frame 5, the pushing rod 14 is in rotary connection with the driving rod 13 and the unlocking rod 15 respectively, and the unlocking rod 15 is in sliding connection with the welding machine.

[0043] As a preferred scheme of the utility model, a plurality of positioning grooves are arranged at equal intervals on the positioning ring 4, a positioning block is fixedly installed at the bottom of the positioning frame 5, and the bottom of the positioning block is in detachable type clamping connection with the inner wall of the positioning groove.

[0044] As a preferred scheme of the utility model, the bottom of the blocking block 8 is in sliding contact with the top of the positioning frame 5, and the top of the blocking block 8 is in sliding contact with the bottom of the positioning frame 5.

[0045] As a preferred scheme of the utility model, a horizontal sliding groove is formed in the front side of the positioning frame 5, a vertical sliding groove is formed in the left side of the fixed rod 11, the rear side of the sliding rod 12 is in sliding connection with the inner wall of the horizontal sliding groove, and the right end of the sliding rod 12 is in sliding connection with the inner wall of the vertical sliding groove.

[0046] It should be noted that: specific model of the welding machine is selected by the person skilled in the relevant art, and the above welding machine and the like all belong to the prior art, and the scheme will not be described in detail.

[0047] The working principle of the utility model is: when the welding machine is needed to be used, the sliding rod 12 is pushed at the front side of the unlocking rod 15, the sliding rod 12 can push the fixed rod 11 and the blocking block 8 to move to the right side when the sliding rod 12 moves to the right side, to separate from the positioning frame 5, and the positioning frame 5 is unlocked, the unlocking rod 15 is pushed again, the unlocking rod 15 can push the push rod 14, the push rod 14 pushes the driving rod 13 and the positioning frame 5 to slide upwards again, the positioning frame 5 can separate from the positioning ring 4, to unlock the positioning ring 4, the sliding rod 12 is released, the sliding rod 12 releases the blocking block 8, the top of the blocking block 8 is attached to the bottom of the positioning frame 5, after the top of the blocking block 8 is attached to the bottom of the positioning frame 5, the blocking block 8 can block the positioning frame 5 from resetting, the positioning frame 5 can continuously unlock the positioning ring 4, the knob 3 is convenient to use, after use, the sliding rod 12 is pushed again, the sliding rod 12 pushes the blocking block 8 to separate from the bottom of the positioning frame 5, the positioning frame 5 is unlocked, the positioning frame 5 is automatically engaged with the positioning ring 4, after the positioning block is inserted into the inside of the positioning groove, the positioning block can block the positioning ring 4 from rotating, the positioning ring 4 is limited, the knob 3 is limited, the blocking block 8 is released, the blocking block 8 is automatically reset, and is attached to the top of the positioning frame 5, after the bottom of the blocking block 8 is attached to the top of the positioning frame 5, the blocking block 8 can block the positioning frame 5 from separating from the positioning ring 4, so that the positioning frame 5 can be stably engaged with the positioning ring 4, and the positioning ring 4 and the knob 3 are stably blocked from rotating.

[0048] The above is only the preferable specific implementation manner of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A gear limiting mechanism for a carbon dioxide welding machine, characterized in that, include Welding machine (1); Knob (3), which is rotatably connected to the front side of the welding machine; Handle (2), the number of handles (2) is two, and both handles (2) are fixedly installed on the front side of the welding machine (1); The unlocking mechanism and the fixing mechanism are respectively engaged with the unlocking mechanism and the knob (3); The limiting mechanism includes: a positioning ring (4), a positioning frame (5), a positioning spring (6), and a fixing block (7); The positioning ring (4) is fixedly sleeved on the outside of the knob (3), the positioning frame (5) is slidably connected to the welding machine, the positioning frame (5) is fixedly connected to the positioning spring (6), and the positioning spring (6) is fixedly connected to the fixing block (7).

2. The gear limiting mechanism for a carbon dioxide welding machine according to claim 1, characterized in that, The fixing mechanism includes: a blocking block (8), a return spring (9), and a spring seat (10); The blocking block (8) is slidably connected to the welding machine, the blocking block (8) is fixedly connected to the return spring (9), the return spring (9) is fixedly connected to the spring seat (10), and the spring seat (10) is fixedly connected to the welding machine.

3. The gear limiting mechanism for a carbon dioxide welding machine according to claim 1, characterized in that, The unlocking mechanism includes: a fixed rod (11), a sliding rod (12), a driving rod (13), a pushing rod (14), and an unlocking rod (15); The fixed rod (11) is fixedly connected to the blocking block (8), the rear side of the sliding rod (12) is slidably connected to the positioning frame (5), the right end of the sliding rod (12) is slidably connected to the fixed rod (11), the driving rod (13) is fixedly connected to the positioning frame (5), the pushing rod (14) is rotatably connected to the driving rod (13) and the unlocking rod (15) respectively, and the unlocking rod (15) is slidably connected to the welding machine.

4. The gear limiting mechanism for a carbon dioxide welding machine according to claim 1, characterized in that, The positioning ring (4) has multiple positioning grooves arranged at equal intervals, and the bottom of the positioning frame (5) is fixedly installed with a positioning block. The bottom of the positioning block can be detachably engaged with the inner wall of the positioning groove.

5. The gear limiting mechanism for a carbon dioxide welding machine according to claim 2, characterized in that, The bottom of the blocking block (8) slides in contact with the top of the positioning frame (5), and the top of the blocking block (8) slides in contact with the bottom of the positioning frame (5).

6. The gear limiting mechanism for a carbon dioxide welding machine according to claim 3, characterized in that, The positioning frame (5) has a horizontal sliding groove on its front side and a vertical sliding groove on the left side of the fixing rod (11). The rear side of the sliding rod (12) is slidably connected to the inner wall of the horizontal sliding groove, and the right end of the sliding rod (12) is slidably connected to the inner wall of the vertical sliding groove.

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