Spark protection device for cutting copper alloy water pipe

Abstract

The utility model relates to the technical field of copper alloy water pipe cutting, and discloses a spark protection device for copper alloy water pipe cutting. The spark protection device comprises a base, the base is rotationally matched with a first protection cover through a rotating shaft, one end of the rotating shaft is fixedly connected with a rotary knob, and a fixing piece is arranged on the outer side of the rotating shaft; a second protective cover capable of sliding is arranged in the first protective cover, and the second protective cover and the first protective cover are fixed through an elastic clamping piece. The second protective cover is arranged to be in sliding fit with the first protective cover, so that when the diameter of a cut water pipe is large or a large cutting blade is needed, the elastic clamping piece can be pulled out of the current positioning groove by pulling the handle upwards, and then the second protective cover slides to be adjusted to the needed length; and then the handles are loosened to enable the elastic clamping pieces to enter the corresponding positioning grooves to be fixed, so that the protection length range can be flexibly adjusted within a certain range.

Description

Technical Field

[0001] The utility model relates to the technical field of copper alloy water pipe cutting, in particular to a spark protection device for copper alloy water pipe cutting. Background Art

[0002] Water pipes are pipes for supplying water. Copper alloy water pipes are a type of metal water pipes. When water pipes are actually used, they are generally long and need to be cut into appropriate lengths before they can be used.

[0003] However, when the existing cutting saw blade cuts the water pipe, a large amount of sparks will be generated. Due to the rotating cutting characteristics of the cutting saw blade, the generated sparks will fly towards the operator. Currently, some of the existing protective covers for protecting the generated sparks are mostly fixed structures, and the protection range cannot be adjusted according to the size of the cut water pipe and the size of the cutting blade. Protective covers of different sizes need to be replaced during use, which is more troublesome. Utility Model Content

[0004] The utility model aims to provide a spark protection device for copper alloy water pipe cutting, so as to solve the problem that some of the existing protective covers for protecting the generated sparks in the above background are mostly fixed structures, the protection range cannot be adjusted according to the size of the cut water pipe and the size of the cutting blade, and protective covers of different sizes need to be replaced.

[0005] The purpose of the utility model can be achieved through the following technical solutions:

[0006] A spark protection device for copper alloy water pipe cutting includes a base, wherein the base is rotatably engaged with a first protective cover via a rotating shaft, a knob is fixedly connected to one end of the rotating shaft, and a fixing piece is arranged on the outer side of the rotating shaft; a slidable second protective cover is arranged inside the first protective cover, and the second protective cover is fixed to the first protective cover via an elastic clip; third protective covers are arranged on both sides of the first protective cover, and the third protective covers are arranged to be made of a retractable material.

[0007] As a further solution of the utility model: the fixing member includes a gear sleeved on the outer surface of the rotating shaft, a clamping column on the outer surface of the gear, and an elastic member sleeved on the outer surface of the clamping column.

[0008] As a further solution of the utility model: a connecting plate is sleeved on the outer surface of the clamping column, one side of the connecting plate is fixedly connected to the outer surface of the base, one end of the elastic member is fixedly connected to one side of the connecting plate, and the other end of the elastic member is fixedly connected to the outer surface of the clamping column.

[0009] As a further solution of the utility model: an observation window is provided on the outer surface of the first protective cover, a slide groove is provided on the outer surface of the first protective cover, and the second protective cover slides with the slide groove, a guide groove is provided on the inner wall of the slide groove, and the guide groove passes through the first protective cover, fixing strips are provided on both sides of the guide groove, and the fixing strips are fixedly connected to the first protective cover, and positioning grooves are provided at equal intervals on the top surface of the fixing strips.

[0010] As a further solution of the utility model: the outer surface of the second protective cover is fixedly connected to a fixed block, and the fixed block has a guide groove for sliding cooperation, the elastic clips are symmetrically arranged inside the fixed block, and the elastic clips are adapted to the positioning grooves, and the top surfaces of the two groups of the elastic clips are fixedly connected to handles.

[0011] As a further solution of the utility model: the third protective cover is detachably mounted on the outer surface of the first protective cover, and the outer surface of the third protective cover is coated with a fire-retardant coating.

[0012] As a further solution of the utility model: a collection box is arranged inside the base, and the collection box is clamped inside the base.

[0013] Beneficial effects of the utility model:

[0014] (1) The utility model sets a second protective cover to slide with the first protective cover, so that when a larger cutting blade is needed, the elastic clamp can be pulled out of the current positioning groove by pulling the handle upward, and then the second protective cover is slid to adjust to the required length, and then the handle is released to allow the elastic clamp to enter the corresponding positioning groove and be fixed, so that the protective length range can be flexibly adjusted within a certain range;

[0015] (2) The utility model sets the first protective cover to cooperate with the base in rotation, so that when the diameter of the water pipe to be cut is large, the clamping column can be pulled, and then the knob can be turned to drive the first protective cover to rotate a certain angle, and then the knob can be loosened to make the clamping column clamped between the two gear teeth of the gear under the action of the elastic member, and the rotating shaft is fixed, so that the protection angle range can be flexibly adjusted within a certain range;

[0016] (3) The utility model is provided with a collection box, so that after the sparks hit the surface of the first protective cover, they can fall into the interior of the collection box and collect some waste chips and dust. After the cutting is completed, the collection box can be removed and cleaned. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model is further described below in conjunction with the accompanying drawings.

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 It is another perspective schematic diagram of the overall structure of the utility model;

[0020] Figure 3 It is a schematic diagram of the structural cross-section of the first protective cover and the second protective cover in the utility model;

[0021] Figure 4 It is a schematic diagram of the structural decomposition of the first protective cover and the second protective cover in the utility model;

[0022] Figure 5 This utility model Figure 4 A schematic diagram of the structure enlargement in the middle;

[0023] Figure 6 It is a schematic diagram of the structure of the knob of the utility model.

[0024] In the figure: 1. base; 2. rotating shaft; 3. first protective cover; 31. observation window; 32. slide groove; 33. guide groove; 34. fixing bar; 341. positioning groove; 4. second protective cover; 41. fixing block; 42. elastic clamp; 43. handle; 5. third protective cover; 6. knob; 61. gear; 62. clamp column; 63. elastic part; 7. collection box. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1-Figure 6 As shown, the utility model is a spark protection device for copper alloy water pipe cutting, comprising a base 1, the outer surface of the base 1 is fixedly connected with a handle, which is convenient to take and relatively portable;

[0027] The base 1 is rotatably matched with the first protective cover 3 through the rotating shaft 2. By setting the rotational match, the protection angle can be adjusted according to the water pipe to be cut. One end of the rotating shaft 2 is fixedly connected with a knob 6. A fixing piece is arranged on the outside of the rotating shaft 2. The fixing piece is used to fix the rotating shaft 2 after the knob 6 is rotated to the required angle.

[0028] The fixing member includes a gear 61 sleeved on the outer surface of the rotating shaft 2, a clamping column 62 on the outer surface of the gear 61, and an elastic member 63 sleeved on the outer surface of the clamping column 62. The elastic member 63 is a spring and is used to apply force to the clamping column 62 so that it can be fixed between two gear teeth of the gear 61;

[0029] It should be noted that the interval angle at which the knob 6 drives the rotating shaft 2 to rotate is the angle between two gear teeth of the gear 61, so that after the rotation is completed, the clamping column 62 can be inserted into the gap between the corresponding gear teeth to fix it;

[0030] A connecting plate is sleeved on the outer surface of the clamping column 62, and the clamping column 62 is slidably connected to the connecting plate. One side of the connecting plate is fixedly connected to the outer surface of the base 1. The connecting plate is arranged in an L shape, and one end of the elastic member 63 is fixedly connected to one side of the connecting plate, and the other end of the elastic member 63 is fixedly connected to the outer surface of the clamping column 62;

[0031] A slidable second protective cover 4 is arranged inside the first protective cover 3, and is arranged to be slidably connected, which can be easily adjusted so that the overall protection range is increased. The second protective cover 4 is fixed to the first protective cover 3 by an elastic clamp 42;

[0032] The third protective cover 5 is arranged on both sides of the first protective cover 3. The third protective cover 5 is arranged to be a retractable material. The third protective cover 5 is arranged to be a fireproof covering tarpaulin (large-area fireproof welding blanket), which is a fabric processed by a special process. When the angle of the first protective cover 3 is adjusted, it can be retracted and retracted. The third protective cover 5 is detachably mounted on the outer surface of the first protective cover 3, and the outer surface of the third protective cover 5 is coated with a fireproof coating, which further increases the fireproofness of the third protective cover 5 and prevents sparks from falling and igniting the third protective cover 5;

[0033] The outer surface of the first protective cover 3 is provided with an observation window 31, and the observation window 31 is provided to facilitate observation of the internal spark situation and to facilitate rapid understanding of the internal environment;

[0034] The outer surface of the first protective cover 3 is provided with a slide groove 32, and the second protective cover 4 is slidably matched with the slide groove 32. The inner wall of the slide groove 32 is provided with a guide groove 33, and the guide groove 33 penetrates the first protective cover 3. Both sides of the guide groove 33 are provided with fixing bars 34, and the fixing bars 34 are fixedly connected to the first protective cover 3. The top surface of the fixing bars 34 is provided with multiple groups of positioning grooves 341 arranged at equal intervals.

[0035] The outer surface of the second protective cover 4 is fixedly connected with a fixing block 41, and the fixing block 41 has a guide groove 33 for sliding fit, and the elastic clamps 42 are symmetrically arranged inside the fixing block 41, and the elastic clamps 42 are adapted to the positioning grooves 341. The top surfaces of the two groups of elastic clamps 42 are fixedly connected with handles 43. By setting the handles 43, it is convenient to pull the two elastic clamps 42 at the same time, and the second protective cover 4 can be moved by pushing the handles 43;

[0036] It should be noted that the movable distance of the second protective cover 4 is the distance between two adjacent positioning grooves 341, and thus can be adapted to the positioning between the elastic clamp 42 and the positioning groove 341;

[0037] A collection box 7 is provided inside the base 1, and the collection box 7 is clamped inside the base 1. Sparks that are blocked by the first protective cover 3 during the cutting process can be dropped and collected by the collection box 7, and some waste chips and dust can be collected at the same time. The clamping method is provided to facilitate the collection box 7 to be taken out from the inside of the base 1, and the inside of the collection box 7 can be cleaned in time;

[0038] Working principle of the utility model: when using the above device for spark protection, firstly, the fixed base 1 can be placed according to the position of the water pipe to be cut, and then the clamping column 62 is pulled out from between the gear teeth of the gear 61, and then the knob 6 is turned to drive the first protective cover 3 to rotate to the best angle for spark protection. After the rotation is completed, the clamping column 62 is released to fix it between the gear teeth of the gear 61 under the action of the elastic member 63, so that the rotating shaft 2 is fixed, that is, the first protective cover 3 can be kept at the current angle;

[0039] Then pull the handle 43 to pull the elastic clip 42 out of the positioning groove 341, and then push the handle 43 to drive the second protective cover 4 to slide. When it slides to the optimal length for protection, release the handle 43 to fix the elastic clip 42 in the corresponding positioning groove 341, so that the second protective cover 4 can be in the current position.

[0040] The above is a detailed description of an embodiment of the utility model, but the content is only a preferred embodiment of the utility model and cannot be considered to limit the scope of implementation of the utility model. All equivalent changes and improvements made within the scope of application of the utility model should still fall within the scope of the patent coverage of the utility model.

Claims

1. A spark protection device for copper alloy water pipe cutting, characterized in that: The invention comprises a base (1), wherein the base (1) is rotatably matched with a first protective cover (3) via a rotating shaft (2), one end of the rotating shaft (2) is fixedly connected with a knob (6), and a fixing piece is arranged on the outer side of the rotating shaft (2); A slidable second protective cover (4) is arranged inside the first protective cover (3), and the second protective cover (4) is fixed to the first protective cover (3) via an elastic clamp (42); Third protective covers (5) are arranged on both sides of the first protective cover (3), and the third protective covers (5) are made of a retractable material; The outer surface of the first protective cover (3) is provided with an observation window (31), the outer surface of the first protective cover (3) is provided with a slide groove (32), and the second protective cover (4) is slidably matched with the slide groove (32), the inner wall of the slide groove (32) is provided with a guide groove (33), and the guide groove (33) runs through the first protective cover (3), and fixing strips (34) are provided on both sides of the guide groove (33), and the fixing strips (34) are fixedly connected to the first protective cover (3), and the top surface of the fixing strip (34) is provided with a plurality of equidistant positioning grooves (341).

2. A spark protection device for copper alloy water pipe cutting according to claim 1, characterized in that: The fixing member comprises a gear (61) sleeved on the outer surface of the rotating shaft (2), a clamping column (62) on the outer surface of the gear (61), and an elastic member (63) sleeved on the outer surface of the clamping column (62).

3. A spark protection device for copper alloy water pipe cutting according to claim 2, characterized in that: The outer surface of the clamping column (62) is sleeved with a connecting plate, one side of the connecting plate is fixedly connected to the outer surface of the base (1), one end of the elastic member (63) is fixedly connected to the side of the connecting plate, and the other end of the elastic member (63) is fixedly connected to the outer surface of the clamping column (62).

4. The spark protection device for copper alloy water pipe cutting according to claim 1, characterized in that: The outer surface of the second protective cover (4) is fixedly connected to a fixing block (41), and the fixing block (41) has a guide groove (33) for sliding fit. The elastic clips (42) are symmetrically arranged inside the fixing block (41), and the elastic clips (42) are adapted to the positioning grooves (341). The top surfaces of the two groups of elastic clips (42) are fixedly connected to handles (43).

5. The spark protection device for copper alloy water pipe cutting according to claim 1, characterized in that: The third protective cover (5) is detachably mounted on the outer surface of the first protective cover (3), and the outer surface of the third protective cover (5) is coated with a fireproof coating.

6. The spark protection device for copper alloy water pipe cutting according to claim 1, characterized in that: A collection box (7) is provided inside the base (1), and the collection box (7) is snap-connected to the inside of the base (1).

Images