Quick connecting mechanism for storage tank connector

Abstract

The utility model discloses a storage tank interface quick connecting mechanism in the related field of storage tank connection, which comprises a storage tank body, a connecting port in butt joint with an inner cavity is arranged at the upper end of the storage tank body, a connecting nozzle clamped at the upper end of the connecting port is further included, and a fixing frame is fixedly connected to the upper end of the storage tank body and located on the outer side of the connecting port. A threaded pin is fixedly connected to the bottom of the connecting nozzle, a fixing seat in butt joint with the bottom of the threaded pin is fixedly connected to the upper end of the storage tank body, the threaded pin movably penetrates through the fixing seat and then extends into an inner cavity of the fixing seat, and a rotating sleeve is rotationally connected to the upper end of the fixing seat. The fixing base is arranged at the upper end of the storage tank body, the threaded pin at the bottom of the connecting nozzle is installed in an inserted mode, locking is achieved after the rotating sleeve at the upper end of the fixing base is matched for adjustment, and rapid installation and connection of the connecting nozzle at the upper end of the storage tank body are completed. The fixing frame is further arranged at the upper end of the storage tank body, the structure of the rotating sleeve is clamped and limited, and the situation that the connecting stability of the connecting nozzle is affected due to looseness is avoided.

Description

Technical Field

[0001] The utility model relates to the field of storage tank connection, and more specifically, to a storage tank interface quick connection mechanism. Background Art

[0002] Steel sealed containers used to store liquids or gases are called steel storage tanks. Steel storage tank projects are essential and important infrastructure in industries such as petroleum, chemical, grain and oil, food, fire protection, transportation, metallurgy, and national defense. Our economic life is always inseparable from large and small steel storage tanks. The important role played by steel storage tanks in the development of the national economy is irreplaceable. With the continuous development of the storage tank industry, more and more industries and enterprises have used storage tanks, and more and more enterprises have entered the storage tank industry.

[0003] A special connection nozzle is provided at the upper end of the storage tank to facilitate the extraction of materials stored inside. The existing connection nozzle structure is connected to the storage tank in a relatively fixed manner. During the subsequent inspection and maintenance of the connection nozzle, tools are required to assist in the operation to separate it from the storage tank. It cannot achieve the effect of quick connection and separation, thus affecting the inspection and maintenance efficiency of the connection nozzle at the upper end of the storage tank. Utility Model Content

[0004] 1. Technical issues to be solved

[0005] The purpose of the utility model is to provide a quick connection mechanism for a storage tank interface to solve the related problems raised in the above background technology.

[0006] 2. Technical solution

[0007] A quick connection mechanism for a storage tank interface comprises a storage tank body, a connection port that is docked with an inner cavity is arranged at the upper end of the storage tank body, and also comprises a connection nozzle that is clamped at the upper end of the connection port, the upper end of the storage tank body is located on the outer side of the connection port and is fixedly connected to a fixing frame, a threaded pin is fixedly connected to the bottom of the connection nozzle, and the upper end of the storage tank body is fixedly connected to a fixing seat that is docked with the bottom of the threaded pin, the threaded pin movably penetrates the fixing seat and extends to its inner cavity, the upper end of the fixing seat is rotatably connected to a rotating sleeve, and the rotating sleeve is threadedly sleeved on the outer side of the threaded pin, two groups of movable plates are symmetrically arranged inside the fixing frame, and the docking surfaces of the movable plates are provided with clamping grooves that are clamped with the outer side of the rotating sleeve.

[0008] Preferably, an annular groove is provided at the bottom of the connection nozzle, and an annular block is provided at the upper end of the connection port, and the annular groove and the annular block are snap-fitted with each other.

[0009] Preferably, a sealing gasket is provided on the inner wall of the annular groove.

[0010] Preferably, a rotating shaft and a limiting shaft are arranged in the fixed frame for horizontal rotation, and both the rotating shaft and the limiting shaft are movable through two groups of symmetrical movable plates.

[0011] Preferably, one end of the shaft is movably passed through the fixed frame and fixedly connected to a handle, the surface of the shaft located in the inner cavity of the fixed frame is symmetrically provided with threads in opposite directions, and the shaft is threadedly passed through the two sets of movable plates through threads in opposite directions on the outside.

[0012] Preferably, a limit rod is longitudinally arranged in the inner cavity of the fixing seat, and the cross section of the limit rod is in the positive direction, and the limit rod slides through and is inserted into the bottom of the threaded pin.

[0013] Preferably, the inner wall of the clamping groove and the outer wall of the rotating sleeve are both provided with rubber pads which are in frictional contact with each other.

[0014] 3. Beneficial effects

[0015] Compared with the prior art, the advantages of the present invention are:

[0016] The utility model configures a fixing seat at the upper end of the storage tank body and inserts and installs the threaded pin at the bottom of the connecting nozzle, and realizes locking after adjustment with the rotating sleeve at the upper end of the fixing seat, so as to complete the rapid installation and connection of the connecting nozzle on the upper end of the storage tank body. On this basis, the utility model also sets a fixing frame at the upper end of the storage tank body and clamps and limits the structure of the rotating sleeve to avoid looseness that affects the connection stability of the connecting nozzle, thereby improving the overall practical effect and having a significant improvement in portability, which is worthy of promotion and use in the existing market. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the utility model after removing the fixed frame;

[0019] Figure 3 This is a bottom view schematic diagram of the connection nozzle structure of the utility model;

[0020] Figure 4 This is a top view schematic diagram of the fixed frame structure of the utility model;

[0021] Figure 5 It is an enlarged schematic diagram of the structure at point A of the utility model.

[0022] Explanation of the numbers in the figure: 1-tank body, 2-connecting nozzle, 201-annular slot, 3-connecting port, 4-fixing frame, 401-rotating shaft, 402-limiting shaft, 403-handle, 5-threaded pin, 6-fixing seat, 601-limiting rod, 7-rotating sleeve, 8-movable plate, 9-clamping slot. DETAILED DESCRIPTION

[0023] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0024] In the description of the present invention, "plurality" means two or more than two, unless otherwise clearly and specifically defined.

[0025] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "set / connected", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0026] See also Figure 1-5 A quick connection mechanism for a storage tank interface comprises a storage tank body 1, a connection port 3 docked with an inner cavity is arranged at the upper end of the storage tank body 1, and a connection nozzle 2 clamped at the upper end of the connection port 3, a fixing frame 4 is fixedly connected to the outer side of the connection port 3 at the upper end of the storage tank body 1, a threaded pin 5 is fixedly connected to the bottom of the connection nozzle 2, and a fixing seat 6 docked with the bottom of the threaded pin 5 is fixedly connected to the upper end of the storage tank body 1, the threaded pin 5 movably penetrates the fixing seat 6 and extends to its inner cavity, a rotating sleeve 7 is rotatably connected to the upper end of the fixing seat 6, and the rotating sleeve 7 is threadedly sleeved on the outer side of the threaded pin 5, a limiting rod 601 is longitudinally arranged in the inner cavity of the fixing seat 6, and the cross section of the limiting rod 601 is in the positive direction, and the limiting rod 601 slides through and is inserted into the bottom of the threaded pin 5.

[0027] Based on the above structure, when the device is in use, the staff docks the connecting nozzle 2 at the position of the connecting port 3 at the upper end of the storage tank body 1, and the two groups of threaded pins 5 at the bottom of the connecting nozzle 2 are respectively docked with the rotating sleeves 7 at the upper ends of the two groups of fixed seats 6. Then, the rotating sleeves 7 are rotated and adjusted to threadably drive the two groups of threaded pins 5, so that the two groups of threaded pins 5 slide down to the inside of the fixed seat 6 respectively, and in the process of the threaded pins 5 sliding down, a guide groove matching the limit rod 601 is longitudinally arranged at the bottom of the threaded pins 5, and the guide groove and the limit rod 601 are limitedly sliding to achieve guidance, and the contact surface of the two is designed to be a smooth surface, which facilitates its smooth sliding, until the bottom of the connecting nozzle 2 docks with the upper end surface of the rotating sleeve 7, the quick connection and installation of the connecting nozzle 2 can be completed, and the operation is also simpler.

[0028] Among them, an annular groove 201 is provided at the bottom of the connection nozzle 2, and an annular block is provided at the upper end of the connection port 3. The annular groove 201 and the annular block are engaged with each other, and a sealing gasket is provided on the inner wall of the annular groove 201. Based on this, when the connection nozzle 2 is engaged with the upper end of the storage tank body 1, the annular groove 201 at the bottom of the connection nozzle 2 is engaged with the annular block at the upper end of the connection port 3, and the sealing gasket on the contact surface of the two is used to increase the sealing effect of the connection.

[0029] Among them, two groups of movable plates 8 are symmetrically arranged inside the fixed frame 4, and the docking surface of the movable plate 8 is provided with a clamping groove 9 clamped to the outside of the rotating sleeve 7, a rotating shaft 401 and a limiting shaft 402 are arranged in the fixed frame 4 for transverse rotation, and the rotating shaft 401 and the limiting shaft 402 are both movably passed through the two groups of symmetrical movable plates 8, one end of the rotating shaft 401 is movably passed through the fixed frame 4 and is fixedly connected with a handle 403, the surface of the rotating shaft 401 located in the inner cavity of the fixed frame 4 is symmetrically provided with threads in opposite directions, and the rotating shaft 401 is respectively threadedly penetrated and connected to the two groups of movable plates 8 through threads in opposite directions on the outside, and the inner wall of the clamping groove 9 and the outer wall of the rotating sleeve 7 are provided with rubber pads that are in friction contact with each other. Based on this, after the device is connected to the connecting nozzle 2, the handle 403 can be used to drive the rotating shaft 401 to rotate, and the threads on the outside of the rotating shaft 401 in opposite directions drive the two groups of movable plates 8 to move relative to each other along the limiting axis 402, and the snap-in groove 9 on the docking surface of the movable plate 8 is snapped onto the outside of the rotating sleeve 7, and the friction force of the rubber pad on the contact surface of the two is used to fix the rotating sleeve 7 to prevent it from loosening and affecting the connection stability of the connecting nozzle 2.

[0030] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A quick connection mechanism for a storage tank interface, comprising a storage tank body (1), wherein the upper end of the storage tank body (1) is provided with a connection port (3) that is connected to an inner cavity, and further comprising a connection nozzle (2) that is snap-connected to the upper end of the connection port (3), characterized in that: The upper end of the storage tank body (1) is fixedly connected to a fixing frame (4) located outside the connection port (3), the bottom of the connection nozzle (2) is fixedly connected to a threaded pin (5), and the upper end of the storage tank body (1) is fixedly connected to a fixing seat (6) butted against the bottom of the threaded pin (5), the threaded pin (5) movably penetrates the fixing seat (6) and extends to its inner cavity, the upper end of the fixing seat (6) is rotatably connected to a rotating sleeve (7), and the rotating sleeve (7) is threadedly sleeved on the outside of the threaded pin (5), and two groups of movable plates (8) are movably and symmetrically arranged inside the fixing frame (4), and the butting surfaces of the movable plates (8) are provided with clamping grooves (9) that are clamped to the outside of the rotating sleeve (7).

2. A quick connection mechanism for a storage tank interface according to claim 1, characterized in that: The bottom of the connection nozzle (2) is provided with an annular clamping groove (201), and the upper end of the connection port (3) is provided with an annular clamping block, and the annular clamping groove (201) and the annular clamping block are engaged with each other.

3. A quick connection mechanism for a storage tank interface according to claim 2, characterized in that: The inner wall of the annular groove (201) is provided with a sealing gasket.

4. A quick connection mechanism for a storage tank interface according to claim 3, characterized in that: A rotating shaft (401) and a limiting shaft (402) are arranged in the fixed frame (4) for transverse rotation, and the rotating shaft (401) and the limiting shaft (402) are movable and penetrate two groups of symmetrical movable plates (8).

5. A quick connection mechanism for a storage tank interface according to claim 4, characterized in that: One end of the rotating shaft (401) movably passes through the fixed frame (4) and is fixedly connected to a handle (403). The surface of the rotating shaft (401) located in the inner cavity of the fixed frame (4) is symmetrically provided with threads in opposite directions, and the rotating shaft (401) is threadedly passed through the two sets of movable plates (8) through threads in opposite directions on the outside.

6. A quick connection mechanism for a storage tank interface according to claim 5, characterized in that: A limiting rod (601) is longitudinally arranged in the inner cavity of the fixing seat (6), and the cross section of the limiting rod (601) is in the positive direction. The limiting rod (601) slides through and is inserted into the bottom of the threaded pin (5).

7. A quick connection mechanism for a storage tank interface according to claim 6, characterized in that: The inner wall of the clamping groove (9) and the outer wall of the rotating sleeve (7) are both provided with rubber pads that are in frictional contact with each other.

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