Generator ventilation pipe

Abstract

The utility model relates to the technical field of ventilation pipe devices, in particular to a generator ventilation pipe which comprises two sets of connecting pipelines and a connecting piece used for assembling the two sets of connecting pipelines, positioning grooves are formed in the outer side walls of one ends of the two sets of connecting pipelines, and the connecting piece comprises a sheath, two sets of protrusions arranged in the sheath and a plugging ring. According to the connecting piece structure, the connecting pipes on the two sides can be rapidly and stably combined and connected through the connecting piece structure, the protruding structures arranged in the sleeve leather can be clamped in the positioning grooves of the connecting pipes, the protruding structures can be clamped between the connecting pipes, and therefore the connecting piece structure is convenient to assemble and disassemble. Connection and fixation are conducted through the positioning groove, the protrusion and the positioning groove, the protruding plate and the side walls of the two sets of pipelines can be plugged, the functions of improving leakproofness and high connectivity are achieved, and the problem of gas leakage is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a ventilation pipe device technical field, concretely relates to a generator ventilation pipe. BACKGROUND

[0002] According to the generator operation state premise, the carbon powder generated by the collector ring and the carbon brush abrasion needs to be discharged through the ventilation pipe. Since the generator runs at high speed (1800 revolutions), the heat generated is high, so the material selection of the ventilation pipe is important. In order to prevent the heat from igniting the ventilation pipe and causing the unit to cause a fire accident.

[0003] And the existing ventilation pipe is mostly a hollow pipe structure, responsible for the function of gas discharge. When in use, the material of the hollow pipe causes the surface temperature to be high, which is prone to fire accidents. The monomer hollow pipe structure is not convenient to disassemble and assemble on site, and it is also not convenient to process the dust in it. UTILITY MODEL CONTENT

[0004] TECHNICAL PROBLEM

[0005] In view of the above shortcomings of the prior art, the utility model provides a generator ventilation pipe, which can effectively solve the problems caused by the integral hollow pipe in the prior art.

[0006] TECHNICAL SCHEME

[0007] In order to achieve the above purpose, the utility model realizes the following technical scheme:

[0008] The utility model provides a generator ventilation pipe, which comprises two groups of connecting pipes and a connecting piece for assembling the two groups of connecting pipes, a positioning groove is formed on the outer side wall of one end of the two groups of connecting pipes, the connecting piece comprises a sleeve, two groups of protrusions arranged in the sleeve and a blocking ring, the protrusions are fixed with protruding plates at both ends of the sleeve, and the two groups of protruding plates are fixed and connected by fixed bolts and nuts.

[0009] Further, the blocking ring is fixed in the middle of the sleeve, and a round corner is formed on the outer side of the blocking ring, and the two ends of the connecting pipe are arranged on both sides of the blocking ring.

[0010] Further, the inner diameter of the protrusion is matched with the outer diameter of the positioning groove.

[0011] Further, the fixed bolts and nuts on the two protruding plates are at least equidistantly arranged in four groups.

[0012] Further, the connecting pipe and the connecting piece are made of galvanized iron sheet.

[0013] Further, the length of the sleeve is at least half of the length of the connecting pipe.

[0014] Advantages

[0015] The technical scheme provided by the utility model has the following advantages compared with the known prior art:

[0016] The utility model discloses a connecting piece structure is set up, can rapidly connect and combine the connecting pipeline of both sides, wherein the convex structure structure set up in the sheath can be clamped in the positioning groove of connecting pipeline, and the convex structure can be clamped between connecting pipeline, and finally through the outer two groups of convex board structure is connected and fixed by bolt and nut, realizes the assembly, so when using, through the positioning groove - convex - positioning groove connection fixed, the convex board can be sealed with the side wall of two groups of pipeline, improve the function of airtightness and high connectivity, reduce the problem of gas leakage.

[0017] In the utility model, through adopting the combination connection of convex board and sheath, when the on -the -spot staff uses, can be convenient for connecting and disassembling two groups of connecting pipeline, and in material, adopts galvanized iron sheet under the premise of fire prevention to facilitate internal cleaning in later period, and the ventilating pipe material is resistant to combustion and prevents the fire failure of fan from occurring, through the limiting and fixing effect of convex - positioning groove and sealing ring, solves the problem of connecting pipeline falling off caused by the horizontal and longitudinal vibration force when the generator operates. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will briefly introduce the drawing needed to be used in the embodiment or prior art description. Obviously, the drawing in the following description is only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creating creative labor.

[0019] Figure 1 It is a structural schematic diagram of the utility model;

[0020] Figure 2 It is a structural split diagram of the utility model;

[0021] Figure 3 It is a schematic diagram of the connecting piece in the utility model;

[0022] Figure 4 It is a structural split cross-sectional view of the connecting piece in the utility model;

[0023] Figure 5 It is a structural combination cross-sectional view of the connecting piece in the utility model.

[0024] The reference signs in the drawings represent: 1, connecting pipe; 11, positioning groove; 2, connecting piece; 21, sleeve; 22, protrusion; 23, blocking ring; 24, protruding plate. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0026] The utility model will be further described below in combination with embodiments.

[0027] Embodiment: a generator ventilation pipe, refer to the drawings Figure 1 - the drawings Figure 5 , including two groups of connecting pipe 1 and the connecting piece 2 for assembling two groups of connecting pipe 1, two groups of connecting pipe 1 one end outer wall all are provided with positioning groove 11, the connecting piece 2 includes sleeve 21, two groups of protrusion 22 and blocking ring 23 set in sleeve 21, the protrusion 22 is clamped in positioning groove 11, and the both ends of sleeve 21 are fixed with protruding plate 24, and two groups of protruding plate 24 are fixedly connected through fixing bolt and nut;

[0028] The blocking ring 23 is fixed to the middle part of the sleeve 21, and the outer side of the blocking ring 23 is provided with a round corner, and the two ends of the connecting pipe 1 are arranged on the two sides of the blocking ring 23. The connecting piece 2 structure can be quickly and stably combined and connected with the connecting pipe 1 on both sides. The protrusion 22 structure arranged in the sleeve 21 can be clamped in the positioning groove 11 of the connecting pipe 1, and the protrusion 22 structure can be clamped between the connecting pipes 1. Finally, the two groups of protruding plate 24 structures are connected and fixed by the bolt and nut, realizing assembly. Therefore, during use, the positioning groove 11-protrusion 22-positioning groove 11 are connected and fixed. The protruding plate 24 can block the side walls of the two groups of pipes, improving the airtightness and high connectivity, and reducing the problem of gas leakage.

[0029] The inner diameter of the protrusion 22 is matched with the outer diameter size of the positioning groove 11; the fixing bolts and nuts on the two side protruding plates 24 are arranged at least four groups equidistantly; the connecting pipeline 1 and the connecting piece 2 are made of galvanized iron sheet; the length of the sleeve 21 is at least half of the length of the connecting pipeline 1; in the utility model, the two connecting pipelines 1 can be conveniently connected and disassembled by adopting the combined connection of the protruding plate 24 and the sleeve 21 when used by the on-site staff, and the galvanized iron sheet is adopted in the material, which is convenient for internal cleaning in the premise of fire prevention in the later period, and the limiting and fixing effect of the protrusion 22-positioning groove 11 and the blocking ring 23 solves the problem of the falling of the connecting pipeline 1 caused by the transverse and longitudinal vibration force generated during the operation of the generator.

[0030] The above examples are only used to illustrate the technical solutions of the utility model, rather than limit them; although the utility model has been explained in detail with reference to the foregoing examples, those skilled in the art should understand that the technical solutions recorded in the foregoing examples can be modified, or some technical features can be replaced equivalently; and these modifications or replacements will not make the essence of the corresponding technical solutions deviate from the protection scope of the technical solutions of the embodiments of the utility model.

Claims

1. A generator air duct, characterized by, The utility model provides a connecting pipe and connecting piece, which comprises two groups of connecting pipes (1) and a connecting piece (2) for assembling the two groups of connecting pipes (1), an outer wall of one end of each of the two groups of connecting pipes (1) is provided with a positioning groove (11), the connecting piece (2) comprises a sleeve (21), two groups of protrusions (22) arranged in the sleeve (21) and a blocking ring (23), the protrusions (22) are clamped in the positioning grooves (11), and the two ends of the sleeve (21) are fixedly provided with protruding plates (24); the two groups of protruding plates (24) are fixedly connected through fixing bolts and nuts.

2. A generator vent tube as claimed in claim 1, wherein, The blocking ring (23) is fixed to the middle part of the sleeve (21), and the outer side of the blocking ring (23) is provided with a round corner; the two ends of the connecting pipe (1) are arranged on the two sides of the blocking ring (23).

3. A generator vent tube as in claim 1, wherein, The inner diameter of the protrusion (22) is matched with the outer diameter of the positioning groove (11).

4. A generator vent tube as in claim 1, wherein, The fixing bolts and nuts on the two protruding plates (24) are at least provided with four groups of equidistant arrangements.

5. A generator vent tube as claimed in claim 4, wherein, The connecting pipe (1) and the connecting piece (2) are both made of galvanized iron sheet.

6. A generator vent tube as defined in claim 1, wherein, The length of the sleeve (21) is at least half of the length of the connecting pipe (1).

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