CN216154591U

CN216154591U - Overcharge protection device for low-temperature liquid storage tank

Info

Publication number: CN216154591U
Application number: CN202122236661.2U
Authority: CN
Inventors: 周炳海; 唐潇南; 申德刚
Original assignee: Dalian Dongjian Wind Power Equipment Manufacturing Co ltd
Current assignee: Dalian Dongjian Wind Power Equipment Manufacturing Co ltd
Priority date: 2021-09-16
Filing date: 2021-09-16
Publication date: 2022-04-01
Anticipated expiration: 2031-09-16

Abstract

The utility model discloses an overfilling protection device for a low-temperature liquid storage tank, which belongs to the technical field of low-temperature liquid storage tanks and comprises a tank body, wherein the upper surface of the tank body is lapped with the lower surface of a tank cover, the upper surface of the tank cover is fixedly connected with the lower surface of a control valve, and a first gear is clamped on the outer surface of the control valve. This low temperature liquid storage tank is with overcharge protector, through setting up the control valve, first gear, the control panel, the spiral cap, the worm, the second gear, adjust pole and floater, thereby drive and adjust pole rebound, and then drive spiral cap rebound through the control panel, make the spiral cap drive the worm at the removal in-process and rotate, thereby drive the second gear and rotate, make the second gear drive first gear under the meshing and rotate, thereby close the control valve, guarantee the biggest filling volume of the jar body, prevent to overcharge and arouse the potential safety hazard, also avoid the control valve frequently to open the waste that the jump caused the energy simultaneously.

Description

Overcharge protection device for low-temperature liquid storage tank

Technical Field

The utility model belongs to the technical field of low-temperature liquid storage tanks, and particularly relates to an overfilling protection device for a low-temperature liquid storage tank.

Background

The filling amount of the low-temperature liquid storage tank in the current market is measured by a full measuring valve arranged on a tank body, a full measuring valve is connected with a lead pipe at the limited filling liquid level of the storage tank, when filling is carried out, liquid filling is stopped when an operator visually inspects liquid to be discharged, the filling mode can cause errors, the maximum filling amount of the low-temperature liquid storage tank cannot be guaranteed, potential safety hazards are caused by easy over-filling, and the valve body is frequently opened and jumped to cause energy waste.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome the defects in the prior art, the utility model provides an overfilling protection device for a low-temperature liquid storage tank, which solves the problems that the maximum filling amount of the low-temperature liquid storage tank cannot be ensured, potential safety hazards are caused by overfilling easily, and energy is wasted due to frequent tripping of a full-measuring valve.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a cryogenic liquids storage tank is with overcharge protector, includes a jar body, the upper surface of the jar body and the lower surface overlap joint of cover, the upper surface of cover and the lower surface fixed connection of control valve, the surface joint of control valve has first gear.

The right side face of the first gear is meshed with the left side face of the control device, one end of the control device is fixedly connected with the left side face of the adjusting rod, the bottom end of the adjusting rod is fixedly connected with the top end of the floating ball, the control device comprises a control plate, and the left side face of the control plate is hinged to the right side face of the screw cap.

The screw cap is internally provided with a worm, the outer surface of the worm is clamped with a second gear, the left side surface of the second gear is hinged with the right side surface of the first gear, and the right side surface of the control plate is fixedly connected with the left side surface of the adjusting rod.

As a further scheme of the utility model: the liquid inlet end and the liquid outlet end of the control valve are respectively communicated with the right end of the liquid inlet pipe and the left end of the liquid outlet pipe, and the outer surface of the liquid outlet pipe is clamped in the tank cover.

As a further scheme of the utility model: the outer surface of the adjusting rod is sleeved with a guide sleeve, and the guide sleeve is clamped in the tank cover.

As a further scheme of the utility model: the outer surface of the adjusting rod is sleeved with a spring, and the upper end and the lower end of the spring are respectively fixedly connected with the lower surface of the guide sleeve and the surface of the adjusting rod.

As a further scheme of the utility model: the upper surface of cover and the lower surface overlap joint of two nuts, nut female connection has the bolt, bolt fixed connection is at the upper surface of the jar body.

As a further scheme of the utility model: the utility model discloses a jar body, including the jar body, adjust the pole in the joint have a bracing piece, both ends respectively with the opposite face fixed connection of two sliding sleeves around the bracing piece, the slide bar has been cup jointed in the sliding sleeve, the top and the bottom of slide bar respectively with the upper and lower both sides face fixed connection of spout, two the spout is seted up respectively at the front and the back of jar internal wall.

As a further scheme of the utility model: the outer surface of the worm is sleeved with a first bearing, and the lower surface of the first bearing is fixedly connected with the upper surface of the tank cover.

(III) advantageous effects

Compared with the prior art, the utility model has the beneficial effects that:

1. this low temperature liquid storage tank is with overcharge protector, through setting up the control valve, first gear, the control panel, the screw cap, the worm, the second gear, adjust pole and floater, it rises to drive the floater through the liquid level rise, thereby it moves to drive the pole rebound, and then drive the screw cap rebound through the control panel, make the screw cap drive the worm at the removal in-process and rotate, thereby it rotates to drive the second gear, it rotates to make the second gear drive first gear under the meshing effect, thereby close the control valve, guarantee the biggest filling volume of the jar body, prevent to overcharge and arouse the potential safety hazard, also avoid the control valve to frequently kick-start the waste that causes the energy simultaneously.

2. This low temperature liquid storage tank is with overcharge protector through setting up spring, sliding sleeve, slide bar and spout for the floater can remain rectilinear movement throughout at the removal in-process, avoids the floater the condition that the skew appears at the removal in-process, and the floater after the spring can be through self resumes the normal position simultaneously.

3. This low temperature liquid storage tank is with overcharge protector through setting up nut and bolt, can follow a jar internal dismantlement with the cover to the change is maintained to the device on the cover, thereby has ensured the normal life of device on the cover in the course of the work.

Drawings

FIG. 1 is a schematic cross-sectional view of the front view of the present invention;

FIG. 2 is a schematic three-dimensional structure of the floating ball of the present invention;

FIG. 3 is a schematic three-dimensional structure of the control device of the present invention;

FIG. 4 is a perspective view of the slide bar of the present invention;

in the figure: 1 tank body, 2 tank covers, 3 screw caps, 4 bolts, 5 control valves, 6 liquid inlet pipes, 7 liquid outlet pipes, 8 first gears, 9 control devices, 901 control plates, 902 spiral caps, 903 worms, 904 second gears, 905 first bearings, 10 adjusting rods, 11 guide sleeves, 12 springs, 13 floating balls, 14 supporting rods, 15 sliding sleeves, 16 sliding rods and 17 sliding chutes.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 4, the present invention provides a technical solution: the utility model provides a cryogenic liquids storage tank is with overcharge protector, includes jar body 1, jar upper surface of body 1 and the lower surface overlap joint of cover 2, and the upper surface of cover 2 and the lower fixed surface of control valve 5 are connected, through setting up control valve 5, can control the circulation of liquid filling passageway, and the surface joint of control valve 5 has first gear 8.

The right flank of first gear 8 meshes with controlling means 9's left flank, controlling means 9's one end and the left flank fixed connection who adjusts pole 10, adjust the top fixed connection of pole 10's bottom and floater 13, through setting up floater 13, can guarantee the biggest filling volume of jar body 1, prevent to overcharge and arouse the potential safety hazard, also avoid control valve 5 frequently to kick-start simultaneously and cause the waste of the energy, controlling means 9 includes control panel 901, control panel 901's left flank is articulated with the right flank of spiral cap 902.

Be provided with worm 903 in the spiral shell cap 902, through setting up worm 903, can drive second gear 904 and rotate and support it, avoid second gear 904 the condition that drops to appear rotating the in-process, the surface joint of worm 903 has second gear 904, the left surface of second gear 904 is articulated with first gear 8's right flank, through setting up second gear 904, make second gear 904 drive first gear 8 and rotate under the meshing effect, thereby close control valve 5, thereby limit to fill jar body 1, the right flank of control panel 901 and the left surface fixed connection who adjusts pole 10.

Specifically, as shown in fig. 1 and 2, the feed liquor end and the play liquid end of control valve 5 communicate with the right-hand member of feed liquor pipe 6 and the left end of drain pipe 7 respectively, the surface joint of drain pipe 7 is in cover 2, through setting up control valve 5, feed liquor pipe 6 and drain pipe 7, can fill the jar body 1, the surface of adjusting pole 10 has cup jointed uide bushing 11, uide bushing 11 joint is in cover 2, through setting up uide bushing 11, can support the removal of adjusting pole 10, avoid uide bushing 11 the condition that drops to appear in the removal process.

Specifically, as shown in fig. 1, 2 and 3, a spring 12 is sleeved on the outer surface of the adjusting rod 10, the upper end and the lower end of the spring 12 are respectively connected with the lower surface of the guide sleeve 11 and the surface of the adjusting rod 10, by arranging the spring 12, the spring 12 can restore the floating ball 13 after moving through the elasticity of the spring 12, the upper surface of the tank cover 2 is in lap joint with the lower surfaces of the two nuts 3, the nuts 3 are in threaded connection with the bolts 4, the bolts 4 are fixedly connected to the upper surface of the tank body 1, the tank cover 2 can be disassembled and assembled by arranging the nuts 3 and the bolts 4, and therefore devices on the surface of the tank cover 2 can be replaced and maintained.

Specifically, as shown in fig. 1, 3 and 4, a support rod 14 is clamped in the adjusting rod 10, the front end and the rear end of the support rod 14 are respectively fixedly connected with the opposite surfaces of two sliding sleeves 15, sliding rods 16 are sleeved in the sliding sleeves 15, the floating ball 13 can always keep linear movement in the moving process by arranging the support rod 14, the sliding sleeves 15 and the sliding rods 16, so as to avoid the situation that the floating ball 13 deviates in the moving process, the top end and the bottom end of the sliding rod 16 are respectively fixedly connected with the upper side surface and the lower side surface of a sliding groove 17, the two sliding grooves 17 are respectively arranged on the front surface and the back surface of the inner wall of the tank body 1, the sliding rod 16 can be limited and fixed by arranging the sliding grooves 17, so as to avoid the situation that the sliding rod 16 drops, a first bearing 905 is sleeved on the outer surface of the worm 903, the lower surface of the first bearing 905 is fixedly connected with the upper surface of the tank cover 2, and a support point can be provided for the rotation of the worm 903, thereby ensuring stability of the worm 903 during rotation.

The working principle of the utility model is as follows:

s1, connecting the liquid inlet pipe 6 with an external liquid filling pipe, so that liquid flows into the tank body 1 through the liquid inlet pipe 6, the control valve 5 and the liquid outlet pipe 7 to be filled, and with the rising of the liquid level in the tank body 1, when the liquid rises to the position of the floating ball 13, the liquid is filled continuously, and the floating ball 13 also rises gradually under the action of the rising of the liquid level;

s2, the floating ball 13 drives the adjusting rod 10, the supporting rod 14 and the sliding sleeve 15 to move upwards along the outer surface of the sliding rod 16, so that the position of the adjusting rod 10 is adjusted, the adjusting rod 10 drives the control plate 901 to move upwards, the screw cap 902 is driven to move upwards, and the screw cap 902 drives the worm 903 to rotate in the moving process, so that the second gear 904 is driven to rotate;

s3, the second gear 904 can drive the first gear 8 to rotate under the meshing action, so that the control valve 5 is driven to rotate, the control valve 5 is closed, the valve clack assembly in the control valve 5 is reset, and the valve clack structure is attached to the sealing port, so that continuous filling is limited.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. The utility model provides a cryogenic liquids storage tank is with overcharge protector, includes a jar body (1), its characterized in that: the upper surface of the tank body (1) is lapped with the lower surface of the tank cover (2), the upper surface of the tank cover (2) is fixedly connected with the lower surface of the control valve (5), and the outer surface of the control valve (5) is clamped with a first gear (8);

the right side face of the first gear (8) is meshed with the left side face of a control device (9), one end of the control device (9) is fixedly connected with the left side face of an adjusting rod (10), the bottom end of the adjusting rod (10) is fixedly connected with the top end of a floating ball (13), the control device (9) comprises a control plate (901), and the left side face of the control plate (901) is hinged with the right side face of a screw cap (902);

be provided with worm (903) in screw cap (902), the surface joint of worm (903) has second gear (904), the right flank of second gear (904) is articulated with the right flank of first gear (8), the right flank of control panel (901) and the left flank fixed connection who adjusts pole (10).

2. The overfill protection device for a cryogenic liquid storage tank of claim 1, wherein: the liquid inlet end and the liquid outlet end of the control valve (5) are respectively communicated with the right end of the liquid inlet pipe (6) and the left end of the liquid outlet pipe (7), and the outer surface of the liquid outlet pipe (7) is clamped in the tank cover (2).

3. The overfill protection device for a cryogenic liquid storage tank of claim 1, wherein: the outer surface of the adjusting rod (10) is sleeved with a guide sleeve (11), and the guide sleeve (11) is clamped in the tank cover (2).

4. The overfill protection device for a cryogenic liquid storage tank of claim 1, wherein: the outer surface of the adjusting rod (10) is sleeved with a spring (12), and the upper end and the lower end of the spring (12) are respectively fixedly connected with the lower surface of the guide sleeve (11) and the surface of the adjusting rod (10).

5. The overfill protection device for a cryogenic liquid storage tank of claim 1, wherein: the upper surface of cover (2) and the lower surface overlap joint of two nut (3), nut (3) internal thread connection has bolt (4), bolt (4) fixed connection is at the upper surface of the jar body (1).

6. The overfill protection device for a cryogenic liquid storage tank of claim 1, wherein: adjust pole (10) inside callipers and have connect bracing piece (14), both ends respectively with the opposite face fixed connection of two sliding sleeves (15) around bracing piece (14), sliding rod (16) have been cup jointed in sliding sleeve (15), the top and the bottom of sliding rod (16) respectively with the upper and lower both sides face fixed connection of spout (17), two spout (17) are seted up respectively at the front and the back of jar body (1) inner wall.

7. The overfill protection device for a cryogenic liquid storage tank of claim 1, wherein: the outer surface of worm (903) has cup jointed first bearing (905), the lower surface of first bearing (905) and the upper surface fixed connection of cover (2).