CN213110800U

CN213110800U - Built-in double-supporting-arm structure for storage tank

Info

Publication number: CN213110800U
Application number: CN202021957925.2U
Authority: CN
Inventors: 张敬丰
Original assignee: Luoyang Zetian Petrochemical Fittings Co ltd
Current assignee: Luoyang Zetian Petrochemical Fittings Co ltd
Priority date: 2020-09-09
Filing date: 2020-09-09
Publication date: 2021-05-04
Anticipated expiration: 2030-09-09

Abstract

The utility model relates to an oil storage tank device field discloses a storage tank is with built-in two cantilever structure, it includes the storage tank, be provided with the base in the storage tank, the bottom edge that the storage tank was kept away from to the base articulates there is first folding rod, the one end that the base was kept away from to first folding rod articulates there is the second folding rod, the other end of second folding rod articulates there is the floater, the pivot of first folding rod and the pivot of second folding rod are all on a parallel with the horizontal plane, the one end that the base was kept away from to first folding rod still articulates there is the diagonal brace that has the cavity, slidable mounting has the driven lever in the diagonal brace, the fourth spring passes through the driven lever compression and installs in the diagonal brace, the other end of driven lever articulates in the. The utility model has the advantages that: through setting up the sampling point position in folding rod upper, middle, lower three, when the storage tank liquid level changed, folding rod also followed folding or expand and makes the sampling point keep in the upper, middle, lower three of changing liquid level, improved the quality homogeneity of the sample of sampling.

Description

Built-in double-supporting-arm structure for storage tank

Technical Field

The utility model relates to an oil storage tank device field, especially a storage tank is with built-in two arm structures.

Background

The closed sampler is suitable for non-leakage sampling of various media in petroleum and chemical equipment, especially toxic, inflammable, explosive and other harmful medium and low pressure gas and liquid medium. The sample has strong authenticity, high accuracy and no residual liquid and residual gas discharge, and effectively prevents the damage of toxic and harmful media. Meanwhile, the environment is not polluted, and dangerous accidents possibly caused by flammable and explosive media during sampling are avoided.

Traditional sampling mode is through setting up a sampling passageway in the storage tank bottom, directly emits oil from the storage tank, or erects the sampling facility temporarily at the storage tank top, takes the sample out from the storage tank, though simple and convenient can not guarantee the quality homogeneity of sample.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a storage tank is with built-in two arm structures to solve the poor problem of sample quality homogeneity of traditional sampling.

The purpose of the utility model is realized through the following technical scheme: the utility model provides a built-in two boom structures for storage tank, includes the storage tank, be provided with the base on the inner chamber bottom surface of storage tank, the base is close to the bottom edge of storage tank, the base is kept away from the bottom edge of storage tank articulates there is first folding rod, the one end that first folding rod kept away from the base articulates there is the second folding rod, the other end of second folding rod articulates there is the floater, the pivot of first folding rod and the pivot of second folding rod all are on a parallel with the horizontal plane, the one end that first folding rod kept away from the base still articulates there is the diagonal brace that has the cavity, slidable mounting has the driven lever in the diagonal brace, and the fourth spring passes through the driven lever compression is installed in the diagonal brace, the other end of driven lever articulates the base is close to the bottom edge of storage tank.

Preferably, install out appearance pipe, back flow and casing on the outer wall of storage tank, go out the appearance pipe with the back flow passes through the tee bend ball valve and connects, install the sampling pipe on the tee bend ball valve, the sampling pipe is kept away from the one end of tee bend ball valve is installed in the casing, be provided with the support column in the casing, be provided with spacing platform along its circumference on the outer wall of support column, spacing bench installs the third spring, the third spring housing is in on the support column, still rotate on the support column and install the support arm, the support arm is followed the radial extension of support column, third spring compression is installed spacing platform with between the support arm, the support arm is kept away from the one end of support column is provided with the cushion cap, the cushion cap is located the ejection of compact district of sampling pipe.

Preferably, the three-way ball valve is provided with a grease injection hole, a cylinder body with two open ends is arranged in the grease injection hole, the inner cavity of the cylinder body comprises a grease injection cavity and an accommodating cavity, the accommodating cavity is communicated with the grease injection hole, a first annular table is arranged on the inner wall of one end of the accommodating cavity close to the grease injection cavity, the axial lead of the inner ring of the first annular table is parallel to the axial lead of the accommodating cavity, one surface of the first annular table, which is far away from the grease injection cavity, is provided with a groove communicated with the inner cavity of the first annular table along the axial lead of the outer ring of the first annular table, the groove is in a spherical crown shape, a steel ball is arranged in the groove, the diameter of the steel ball is larger than the diameter of the notch of the groove, the containing cavity is also provided with a first spring and a steel ball seat, the steel ball seat is provided with a groove matched with the steel ball, and the first spring is installed in the containing cavity through the compression of the steel ball seat.

Preferably, hold the chamber and keep away from be provided with the second annular platform on the inner wall in notes fat chamber, the end cap is installed to the inner chamber tip of second annular platform, the end cap is kept away from first annular platform, the one end of second spring is supported on the end cap, the other end of second spring supports on the third annular platform, the third annular platform is located hold the chamber and keep away from the one end in notes fat chamber.

Preferably, the discharge end of the sampling pipe is provided with a protective cover, the protective cover is provided with a gas collecting pipe, the gas outlet end of the gas collecting pipe is provided with a one-way valve, the gas collecting pipe is communicated with the return pipe through the one-way valve, and the gas collecting pipe is further provided with an air pump for delivering air to the return pipe.

Preferably, the inner cavity of the second annular table is in a frustum shape, and the large end of the frustum shape is far away from the grease injection cavity.

Preferably, the outer wall of the barrel body, which is far away from the grease injection cavity, and the inner wall of the grease injection cavity are both provided with threads.

Preferably, the inner diameter of the grease injection cavity is larger than the outer diameter of the accommodating cavity, and the outer peripheral surface of the grease injection cavity is in a regular hexagon shape.

The utility model has the advantages of it is following:

1. through setting up the sampling point position in folding rod upper, middle, lower three, when the storage tank liquid level changed, the folding rod also followed folding or expand and made the sampling point keep in the upper, middle, lower three of liquid level, improved the quality homogeneity of the sample of sampling.

2. Adjust the cushion cap and adopt the distance between the pipe through compressing the third spring to place the sampling bottle of different specifications, can also exert thrust to the sampling bottle simultaneously under the effect of third spring, make the sampling bottle bottleneck closely laminate with adopting the pipe, reduced the risk that the sample takes place to leak.

3. The groove is arranged to deviate from the inner ring axial lead of the first annular platform, when grease enters the containing cavity, the impact force exerted on the steel ball deviates from the center of the groove, the steel ball rotates, when the grease injection is stopped, the sealing surface of the steel ball rotates, the same surface is prevented from being sealed, the outer surface of the steel ball is uniformly corroded and abraded, and the service life of the steel ball is prolonged.

4. The ball valve has the advantages that the steel ball and the plug form a double-sealing structure, the sealing performance is better, and the phenomenon of oil leakage after the ball valve is filled with grease is reduced.

Drawings

Fig. 1 is a first schematic structural diagram of the present invention;

FIG. 2 is a second schematic structural view of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is an enlarged view of a portion of FIG. 3 at B;

FIG. 5 is a schematic view of the structure of the grease injection valve;

in the figure, 1-a sample outlet pipe, 2-a return pipe, 3-a three-way ball valve, 4-a grease injection hole, 5-a cylinder, 6-a grease injection cavity, 7-a containing cavity, 8-a groove, 9-a steel ball, 10-a first spring, 11-a steel ball seat, 12-a plug, 13-a second spring, 14-a sampling pipe, 15-a protective cover, 16-a gas collecting pipe, 17-a one-way valve, 18-an air pump, 19-a storage tank, 20-a sampling bottle, 21-a shell, 22-a support column, 23-a limiting platform, 24-a third spring, 25-a support arm, 26-a bearing platform, 27-a base, 28-a first folding rod, 29-a second folding rod, 30-an inclined support rod, 31-a driven rod and 32-a floating ball.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the present invention, the embodiments and the features of the embodiments may be combined with each other without conflict.

As shown in FIGS. 1-5, a built-in double-supporting-arm structure for a storage tank comprises a storage tank 19, a sampling system (commercially available products are adopted according to actual conditions, and the working principle and the product installation are not described in detail), which is arranged on the storage tank 19, a base 27 is arranged on the bottom surface of an inner cavity of the storage tank 19, the base 27 is close to the bottom edge of the storage tank 19, a first folding rod 28 is hinged on the bottom edge of the base 27 far away from the storage tank 19, a second folding rod 29 is hinged on one end of the first folding rod 28 far away from the base 27, a floating ball 32 is hinged on the other end of the second folding rod 29, the rotating shaft of the first folding rod 28 and the rotating shaft of the second folding rod 29 are both parallel to the horizontal plane, sampling points of the sampling system are respectively arranged at the upper, middle and lower positions of the folding rods, the folding rods are unfolded or folded along with the movement of, The lower three positions improve the quality uniformity of the sampled sample, one end of the first folding rod 28, which is far away from the base 27, is hinged with an inclined supporting rod 30 with a cavity, a driven rod 31 is arranged in the inclined supporting rod 30 in a sliding manner, a fourth spring is arranged in the inclined supporting rod 30 through the driven rod 31 in a compression manner, the other end of the driven rod 31 is hinged to the edge of the bottom, which is close to the storage tank 19, of the base 27, thrust is applied to the folding position of the folding rod through the fourth spring, the folding rod can only be folded along an original unfolding cable, reverse folding of the folding rod is avoided, the base 27 is eccentrically arranged at the bottom of the tank, if the folding position is reversed, the hinging position of the first folding rod 28 and the second folding rod 29 is abutted to the side wall of the storage tank 19, so that folding is disabled, when the liquid level continues to descend, the upper sampling point.

In this embodiment, as shown in fig. 1 to 5, a sample outlet pipe 1, a return pipe 2 and a housing 21 are installed on an outer wall of a storage tank 19, the sample outlet pipe 1 and the return pipe 2 are connected by a three-way ball valve 3, a sampling pipe 14 is installed on the three-way ball valve 3, one end of the sampling pipe 14 away from the three-way ball valve is installed in the housing 21, the sample outlet pipe 1, the return pipe 2 and the housing 21 are all installed on the storage tank 19, the flow direction of gas and liquid is changed by the three-way ball valve 3 to perform sampling, a support post 22 is installed in the housing 21, a limit table 23 is installed on an outer wall of the support post 22 along the circumferential direction thereof, a third spring 24 is installed on the limit table 23, the third spring 24 is sleeved on the support post 22, a support arm 25 is further rotatably installed on the support post 22, the support arm 25 extends along the radial direction of the support post 22, cushion cap 26 is located the ejection of compact district of sampling pipe, through compressing third spring 24 and adjusting cushion cap 26 and adopting the distance between the pipe to place the sampling bottle 20 of different specifications, can also exert thrust to sampling bottle 20 under the effect of third spring 24 simultaneously, make sampling bottle 20 bottleneck with adopt the pipe closely to laminate, reduced the sample and taken place the risk of leaking.

In this embodiment, as shown in fig. 1-5, a grease injection hole 4 is formed in a three-way ball valve 3, a cylinder 5 (i.e. a valve housing of a grease injection valve) with two open ends is installed in the grease injection hole 4, an inner cavity of the cylinder 5 includes a grease injection cavity 6 and a receiving cavity 7, the receiving cavity 7 is communicated with the grease injection hole 4, a first annular table is arranged on an inner wall of one end of the receiving cavity 7 close to the grease injection cavity 6, an axial line of an inner ring of the first annular table is parallel to an axial line of the receiving cavity 7, a groove 8 communicated with the inner cavity of the first annular table is formed in one side of the first annular table far from the grease injection cavity 6 along an axial line of an outer ring of the first annular table, the groove 8 is in a spherical crown shape, a steel ball 9 is installed in the groove 8, a diameter of the steel ball 9 is greater than a diameter of a notch of the groove 8, the steel ball 9 is attached to the groove 8 to, offer the groove with steel ball 9 looks adaptation on the steel ball seat 11, first spring 10 is installed in holding chamber 7 through steel ball seat 11 compression, the interior ring axis of recess 8 skew first annular platform sets up, when the grease got into and holds chamber 7, the impact force that steel ball 9 received is skew central, make steel ball 9 produce the rotation, when stopping annotating the fat, the sealed face of steel ball 9 takes place to rotate, it seals to have avoided the coplanar, make the surface of steel ball 9 even receive corruption and wearing and tearing, the life of steel ball 9 has been prolonged.

In this embodiment, as shown in fig. 1 to 5, a second annular table is disposed on an inner wall of the accommodating chamber 7 away from the grease filling chamber 6, two ends of the first spring 10 respectively abut against the steel ball seat 11 and the second annular table, a plug 12 is installed at an end portion of an inner cavity of the second annular table, the plug 12 is away from the first annular table, one end of the second spring 13 abuts against the plug 12, the other end of the second spring 13 abuts against a third annular table, the third annular table is located at an end of the accommodating chamber 7 away from the grease filling chamber 6, a double-sealing structure is formed by the steel ball and the plug 12, sealing performance is better, and a phenomenon of leakage after the ball valve is filled with grease is reduced.

In this embodiment, as shown in fig. 1 to 5, the inner cavity of the second annular table is frustum-shaped, the large end of the frustum-shaped is far away from the grease injection cavity 6, and the plug 12 is adapted to the frustum-shaped, so that the sealing surface is increased, and the sealing performance is improved.

In this embodiment, as shown in fig. 1 to 5, a protective cover 15 is installed at a discharge end of a sampling tube 14, a sampling bottle 20 is placed in the protective cover 15 for sampling, a gas collecting tube 16 is installed on the protective cover 15, a check valve 17 is installed at a gas outlet end of the gas collecting tube 16, the gas collecting tube 16 is communicated with a return tube 2 through the check valve 17, an air pump 18 for delivering gas to the return tube 2 is further installed on the gas collecting tube 16, and gas and liquid volatilized from the sampling bottle 20 are pressed back to the return tube 2 through the air pump 18 during sampling, so that the volatilized gas and liquid are prevented from entering the atmosphere and polluting the environment.

In this embodiment, as shown in fig. 1 to 5, the outer wall of the cylinder 5 far from the grease injection cavity 6 and the inner wall of the grease injection cavity 6 are both provided with threads, and the connection structure is more stable by using threaded connection.

In this embodiment, as shown in fig. 1 to 5, the inner diameter of the grease injection cavity 6 is larger than the outer diameter of the accommodating cavity 7, and the outer peripheral surface of the grease injection cavity 6 is regular hexagon, so that the barrel 5 is conveniently screwed, and the smooth outer wall is prevented from slipping when the barrel 5 is screwed.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a two arm structure of built-in for storage tank, includes the storage tank, be provided with the base on the inner chamber bottom surface of storage tank, the base is close to the bottom edge of storage tank, the base is kept away from the bottom edge of storage tank articulates there is first folding rod, first folding rod is kept away from the one end of base articulates there is the second folding rod, the other end of second folding rod articulates there is the floater, the pivot of first folding rod with the pivot of second folding rod all is on a parallel with the horizontal plane, its characterized in that: one end, far away from the base, of the first folding rod is hinged with a diagonal brace with a cavity, a driven rod is installed in the diagonal brace in a sliding mode, a fourth spring is installed in the diagonal brace in a compressing mode through the driven rod, and the other end of the driven rod is hinged to the edge, close to the bottom of the storage tank, of the base.

2. The built-in double-support-arm structure for the storage tank as claimed in claim 1, wherein: install out appearance pipe, back flow and casing on the outer wall of storage tank, go out the appearance pipe with the back flow passes through the tee bend ball valve and connects, install the sampling pipe on the tee bend ball valve, the sampling pipe is kept away from the one end of tee bend ball valve is installed in the casing, be provided with the support column in the casing, be provided with spacing platform along its circumference on the outer wall of support column, spacing bench is installed the third spring, the third spring housing is in on the support column, still rotate on the support column and install the support arm, the support arm is followed the radial extension of support column, third spring compression is installed spacing platform with between the support arm, the support arm is kept away from the one end of support column is provided with the cushion cap, the cushion cap is located the ejection of compact district of sampling pipe.

3. The built-in double-support-arm structure for the storage tank as claimed in claim 2, wherein: a grease injection hole is arranged on the three-way ball valve, a cylinder body with two open ends is arranged in the grease injection hole, the inner cavity of the cylinder body comprises a grease injection cavity and an accommodating cavity, the accommodating cavity is communicated with the grease injection hole, a first annular table is arranged on the inner wall of one end of the accommodating cavity close to the grease injection cavity, the axial lead of the inner ring of the first annular table is parallel to the axial lead of the accommodating cavity, one surface of the first annular table, which is far away from the grease injection cavity, is provided with a groove communicated with the inner cavity of the first annular table along the axial lead of the outer ring of the first annular table, the groove is in a spherical crown shape, a steel ball is arranged in the groove, the diameter of the steel ball is larger than the diameter of the notch of the groove, the containing cavity is also provided with a first spring and a steel ball seat, the steel ball seat is provided with a groove matched with the steel ball, and the first spring is installed in the containing cavity through the compression of the steel ball seat.

4. The built-in double-support-arm structure for the storage tank as claimed in claim 3, wherein: hold the chamber and keep away from be provided with second annular platform on the inner wall in notes fat chamber, the end cap is installed to the inner chamber tip of second annular platform, the end cap is kept away from first annular platform, the one end of second spring is supported on the end cap, the other end of second spring supports on third annular platform, third annular platform is located hold the chamber and keep away from the one end in notes fat chamber.

5. The built-in double-support-arm structure for the storage tank as claimed in claim 4, wherein: the gas collecting device is characterized in that a protective cover is installed at the discharge end of the sampling pipe, a gas collecting pipe is arranged on the protective cover, a one-way valve is installed at the gas outlet end of the gas collecting pipe, the gas collecting pipe is communicated with the return pipe through the one-way valve, and an air pump for conveying gas to the return pipe is further installed on the gas collecting pipe.

6. The built-in double-support-arm structure for the storage tank as claimed in claim 5, wherein: the inner cavity of the second annular table is in a frustum shape, and the large end of the frustum shape is far away from the grease injection cavity.

7. The built-in double-support-arm structure for the storage tank as claimed in claim 6, wherein: the barrel is far away from the threads are arranged on the outer wall of the grease injection cavity and the inner wall of the grease injection cavity.

8. The built-in double-support-arm structure for the storage tank as claimed in claim 7, wherein: the inner diameter of the grease injection cavity is larger than the outer diameter of the accommodating cavity, and the outer peripheral surface of the grease injection cavity is in a regular hexagon shape.