Folding device for breathing breather pipe of oil tank
By designing a folding device for the oil tank's breathing ventilation pipe, the rotation angle is limited through the cooperation of the rotating shaft and the rotating sleeve rod, and the stability of the rotating hinge is ensured by the locking hole and the elastic bolt. This solves the safety hazard of the rotating hinge not being fixed in position and achieves the effect of safety and convenient management.
Patent Information
- Application Number
- CN202520076495.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-14
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2035-01-14
AI Technical Summary
The rotating hinges of existing oil tank breathing vent pipes pose a risk of injury due to their unstable rotation position during use.
By designing a folding device for the breathing vent pipe of an oil tank, the rotation angle is limited by the cooperation of a rotating shaft and a rotating sleeve rod, and the stability of the rotating hinge is ensured by a locking hole and an elastic bolt. A water leakage hole is provided to prevent water accumulation, and a detachable fixing shaft and clamp are used for easy management and to prevent loss.
It effectively avoids the risk of injury from accidental impacts from rotating hinges, ensures the safety and convenient management of the device, prevents water accumulation and loss, and improves safety and reliability during use.
Smart Images

Figure CN223632255U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of breathing pipeline, more specifically, it relates to a folding device of oil tank breathing vent pipe. BACKGROUND
[0002] The oil tank breathing vent pipe is used for stabilizing the air pressure in the oil tank by connecting the air inside and outside the oil tank, when the oil in the oil tank is reduced, the air is flowed into the oil tank through the breathing vent pipe to ensure the stability of the air pressure in the oil tank, when the oil in the oil tank is increased, the air is flowed out of the oil tank through the breathing vent pipe to ensure the stability of the air pressure in the oil tank.
[0003] The previous patent of the applicant, application number 2024206597710, named a folding type oil tank breathing vent pipe, discloses that the outer edge of the upper bowl-shaped interface part is fixedly provided with an upper rotating hinge, the outer edge of the lower bowl-shaped interface part is provided with a lower rotating hinge, the upper rotating hinge and the lower rotating hinge are both provided with a through hole for inserting a rotating shaft, and the upper bowl-shaped interface part and the lower bowl-shaped interface part can rotate around the rotating shaft as the axis.
[0004] The upper and lower rotating hinges only play a rotating role, and the rotating position is not fixed in actual use, and there is a risk of hurting people when the upper vent pipeline falls down. UTILITY MODEL CONTENTS
[0005] To solve the above-mentioned problems of the oil tank breathing vent pipe maintenance, the utility model aims to provide a folding device of the oil tank breathing vent pipe, which improves the safety in use by controlling the rotating angle of the rotating hinge.
[0006] The above technical purpose of the utility model is realized by the following technical scheme: a folding device of the oil tank breathing vent pipe, which comprises an upper pipe bowl, a lower pipe bowl and a rotating shaft, the side edge of the upper pipe bowl is fixedly connected with a first horizontal rod of an upper hinge, the side edge of the lower pipe bowl is fixedly connected with a second horizontal rod of a lower hinge, the lower hinge is vertically arranged from bottom to top and sequentially comprises a vertical rod and an embedded unit, the upper hinge is provided with an inner cavity, the upper hinge is vertically provided with a rotating sleeve rod and a coincident unit, the vertical rod and the coincident unit are provided with rotating holes at corresponding positions, and are matched by the rotating shaft inserted through the rotating holes, the rotating sleeve rod rotates around the axis of the rotating hole as the center, and the bottom edge of the rotating sleeve rod abuts against the side surface of the vertical rod when the rotating sleeve rod rotates counterclockwise, and the side surface of the rotating sleeve rod abuts against the embedded unit when the rotating sleeve rod rotates clockwise.
[0007] Preferably, the embedding unit is provided with a first locking hole and a second locking hole, and the sleeve rod is fixedly provided with an elastic lock bolt at a position corresponding to the first locking hole and is fixedly provided with a third locking hole at a position corresponding to the second locking hole.
[0008] Preferably, the second transverse rod is provided with a water leakage hole.
[0009] Further preferably, the second transverse rod is hollow, and the bottom surface thereof is arc-shaped, and the water leakage hole is arranged at the lowest position of the arc-shaped surface.
[0010] Preferably, the second transverse rod is provided with a detachable fixing shaft, and the other end of the fixing shaft is provided with a detachable clamp.
[0011] Preferably, a sealing ring is arranged between the upper pipe bowl and the lower pipe bowl.
[0012] Preferably, the side surface of the vertical rod and the bottom edge of the sleeve rod are arc-shaped and matched with each other.
[0013] The utility model uses the following beneficial effects:
[0014] In general use, the lower pipe bowl and the lower rotary hinge are fixedly arranged, and when the air pipe is folded, the upper part is rotated through the rotary shaft, so that the purpose of maintenance is realized. In the utility model, the first transverse rod and the second transverse rod are fixedly arranged with the upper pipe bowl and the lower pipe bowl through welding or screw rods, the vertical rod of the lower rotary hinge and the embedding unit are fixedly arranged, the coinciding unit of the upper rotary hinge is the part coinciding with the vertical rod of the upper rotary hinge, the cutting parts of the two sides of the vertical rod in the part are used for ensuring that the outer surface of the coinciding unit is flush with the outer surface of the second transverse rod, the side surface of the sleeve rod is in abutment with the embedding unit in normal use, at this time, the embedding unit serves as the stopper of the rotation of the sleeve rod, the upper and lower parts of the folded air pipe are ensured to be in the same straight line, the bottom edge of the sleeve rod is in abutment with the side surface of the vertical rod when rotating, at this time, the side surface of the vertical rod plays the role of the stopper, the maximum rotation angle is set according to the height of the lower part of the folded air pipe, and the topmost part is higher than the average height of human beings, so that the other people are effectively prevented from being accidentally injured.
[0015] The utility model has the following beneficial effects:
[0016] First, the first locking hole and the elastic lock bolt are arranged, the elastic lock bolt can be simply unlocked, so that the sleeve rod is rotated, the second locking hole and the third locking hole are used for placing a U-shaped lock or other commonly used locks provided with a key, the management of the equipment is facilitated, and non-working personnel are prevented from using the utility model;
[0017] Second, the water leakage hole arranged at the bottom end is used for preventing water from accumulating in the lower rotary hinge.
[0018] Third, the fixing shaft is used for fixing the hoop on the second transverse rod, and the hoop is placed through the second transverse rod, so that the problem that the hoop cannot be found after maintenance is completed can be effectively avoided due to long maintenance time. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 It is an oil tank breathing pipe working schematic view;
[0020] Figure 2 It is an oil tank breathing pipe folding schematic view;
[0021] Figure 3 It is Figure 2 Partial view of A in the middle;
[0022] Figure 4 It is an exploded perspective view of the upper hinge, the upper hinge, the sealing ring, the fixing shaft and the hoop;
[0023] Figure 5 It is Figure 4 Perspective view from another angle;
[0024] In the figure: 1, upper pipe bowl;2, lower pipe bowl;3, upper hinge;301, first transverse rod;4, lower hinge;401, second transverse rod;402, vertical rod;403, embedded unit;302, rotating sleeve rod;303, coinciding unit;5, rotating hole;403-1, first locking hole;403-2, second locking hole;6, elastic lock bolt;301-1, third locking hole;401-1, water leakage hole;7, fixing shaft;8, hoop;9, sealing ring. DETAILED DESCRIPTION
[0025] The utility model will be described in detail below in combination with the drawings and examples.
[0026] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model, and does not indicate or show that the indicated device or element must have a particular orientation, structure and operation, therefore, it cannot be understood as a limitation on the utility model.
[0027] In addition, the terms "first", "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined as "first", "second" can be explicitly or implicitly included at least one of the features. In the description of the utility model, the meaning of "a plurality of" is at least two, unless otherwise specifically limited.
[0028] In the utility model, unless otherwise specifically defined and limited, the terms "installation", "connection", "connection", "fixing" and other terms should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected or communicate with each other; it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the communication or interaction relationship between two elements, unless otherwise specifically limited. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0029] Specifically refer to Figures 1-5 A kind of folding device of oil tank breathing vent pipe, including upper tube bowl 1, lower tube bowl 2 and rotating shaft, upper tube bowl 1 side and the first transverse rod 301 of upper hinge 3 are fixedly connected, lower tube bowl 2 side and the second transverse rod 401 of lower hinge 4 are fixedly connected, lower hinge 4 is vertically from lower to upper in turn vertical rod 402 and embedded unit 403, upper hinge 3 is hollow, upper hinge 3 is vertically provided with rotating sleeve rod 302 and coincident unit 303, vertical rod 402 and coincident unit 303 are provided with rotating hole 5 at corresponding position, and are matched by the rotating shaft inserted through rotating hole 5, rotating sleeve rod 302 rotates with the axis of rotating hole 5 as center, counterclockwise rotates to the bottom side of rotating sleeve rod 302 and vertical rod 402 side abut, clockwise rotates to the side of rotating sleeve rod 302 and embedded unit 403 abut.
[0030] Specifically, embedded unit 403 is provided with first shrinkage hole and second shrinkage hole, rotating sleeve rod 302 is fixedly provided with elastic lock bolt 6 at the position corresponding to first shrinkage hole, rotating sleeve rod 302 is fixedly provided with third shrinkage hole at the position corresponding to second shrinkage hole.
[0031] Specifically, second transverse rod 401 is provided with water leakage hole 401-1.
[0032] Specifically, second transverse rod 401 is hollow, and the bottom surface is arc-shaped, and water leakage hole 401-1 is arranged at the lowest position of the arc-shaped surface.
[0033] Specifically, second transverse rod 401 is provided with detachable fixing shaft 7. The other end of fixing shaft 7 is provided with detachable clamp 8.
[0034] Specifically, a sealing ring 9 is arranged between the upper tube bowl 1 and the lower tube bowl 2.
[0035] Specifically, the side surface of the vertical rod 402 and the bottom edge of the sleeve rod are arc-shaped and matched with each other.
[0036] The use of the embodiment is explained as follows:
[0037] In general use, the lower tube bowl 2 and the lower hinge 4 are fixed, and when the air pipe is folded, the upper part is rotated through the rotating shaft, so as to achieve the purpose of maintenance. In the embodiment, the first horizontal rod 301 and the second horizontal rod 401 are fixed with the upper tube bowl 1 and the lower tube bowl 2 through welding or screws, respectively. The vertical rod 402 and the embedded unit 403 of the lower hinge 4 are fixed and immovable. The coinciding unit 303 of the upper hinge 3 is the part of the upper hinge 3 coinciding with the vertical rod 402. The two cutting parts of the vertical rod 402 in this part are used to ensure that the outer surface of the coinciding unit 303 is flush with the outer surface of the second horizontal rod 401. When used normally, the side surface of the sleeve rod 302 abuts against the embedded unit 403. At this time, the embedded unit 403 acts as a stop rod for the rotation of the sleeve rod 302, which ensures that the upper and lower parts of the folded air pipe are in the same straight line. When rotating, the bottom edge of the sleeve rod 302 abuts against the side surface of the vertical rod 402. At this time, the side surface of the vertical rod 402 plays a stop role. According to the height of the lower part of the folded air pipe, the maximum rotation angle is set, and the topmost part is higher than the average height of human beings, which effectively avoids accidentally hitting others.
[0038] In summary, the embodiment has the following beneficial effects:
[0039] The first locking hole 403-1 and the elastic lock bolt 6 are arranged, so that the elastic lock bolt 6 can be easily unlocked, thereby rotating. The second locking hole 403-2 and the third locking hole 301-1 are used to place a U-shaped lock or other commonly used locks with keys, which are used to manage the equipment and avoid non-working personnel from using the embodiment.
[0040] The bottommost water leakage hole 401-1 is arranged to prevent water accumulation in the lower hinge 4.
[0041] The clamping hoop 8 is fixed on the second horizontal rod 401 through the fixing shaft 7, and the clamping hoop 8 is placed through the second horizontal rod 401, which effectively avoids the problem that the clamping hoop 8 cannot be found after maintenance is completed due to a long maintenance time.
[0042] The above-described embodiments only express several implementation manners of the utility model, the description is more specific and detailed, but can not therefore be understood as the limitation of the utility model patent range. It should be pointed out that for ordinary skilled person in the art, without departing from the utility model concept, several deformations and improvements can be made, which belong to the protection range of the utility model. Therefore, the protection range of the utility model patent should be subject to the appended claims.
Claims
1. A folding device for a tank breather vent, characterized in that, The utility model provides a kind of rotating shaft, upper tube bowl, lower tube bowl, upper rotary hinge, lower rotary hinge and embedded unit are included, the side of the upper tube bowl is fixedly connected with the first transverse rod of upper rotary hinge, the side of the lower tube bowl is fixedly connected with the second transverse rod of lower rotary hinge, the lower rotary hinge is vertically from bottom to top in turn vertical rod and embedded unit, the upper rotary hinge is hollow, the upper rotary hinge is vertically provided with rotary sleeve rod and coincidence unit, the vertical rod and the coincidence unit are provided with rotating hole in corresponding position, and are matched by the rotating shaft inserted through the rotating hole, the rotary sleeve rod rotates with the axis of rotating hole as center, rotates counterclockwise to the bottom side of rotary sleeve rod and the side of vertical rod abut, rotates clockwise to the side of rotary sleeve rod and the embedded unit abut.
2. The folding device for oil tank breather vent pipe according to claim 1, wherein The embedded unit is provided with first locking hole and second locking hole, the rotary sleeve rod is fixedly provided with elastic lock bolt in the position corresponding to the first locking hole, and the rotary sleeve rod is fixedly provided with third locking hole in the position corresponding to the second locking hole.
3. The breather vent tube folding apparatus of claim 1, wherein, Second transverse rod is provided with water leakage hole.
4. The breather vent tube folding apparatus of claim 3, wherein, The second transverse rod is hollow, and the bottom surface is arc-shaped, and the water leakage hole is arranged at the lowest position of the arc-shaped surface.
5. The breather vent tube folding apparatus of claim 1, wherein, Second transverse rod is provided with detachable fixing shaft, and the other end of the fixing shaft is provided with detachable hoop.
6. The breather vent tube folding apparatus of claim 1, wherein, The upper tube bowl and the lower tube bowl are provided with sealing ring.
7. The breather vent tube folding apparatus of claim 1, wherein, The side of the vertical rod and the bottom side of the sleeve rod are arc-shaped and matched with each other.