CN115452085A - Protection device for float flowmeter - Google Patents

Abstract

The invention relates to the technical field of float flowmeters and discloses a protection device for a float flowmeter, which comprises a base, wherein a rotating block is movably arranged above the base, the rotating block is made of transparent plastic glass, first liquid inlet grooves are formed in the front side and the rear side of the rotating block, the inside of the rotating block is mutually communicated with the outside of the rotating block through the first liquid inlet grooves, a constraint column is fixedly connected to the center position of the bottom side of the inside of the rotating block, the upper end of the constraint column is fixedly connected with the top side of the inside of the rotating block, and a movable sleeve is movably arranged on the outer side of the rotating block. According to the invention, liquid enters the inside of the rotating block through the first liquid inlet groove, the movable sleeve and the floating block are driven to move upwards along with the rise of the liquid level, the condition of the water level is determined by comparing the height of the floating block with the marking device, and the outer side of the rotating block is protected by four groups of protective covers, so that the condition that the rotating block is damaged due to the fact that sundries in the liquid impact the rotating block is avoided.

Description

Protection device for float flowmeter

Technical Field

The invention relates to the technical field of float flowmeters, in particular to a protection device for a float flowmeter.

Background

The float flowmeter is a volume flowmeter with float in vertical conic tube to rise and fall with the change of flow and change the flow area between them, called rotor flowmeter, and its main working principle is that when the measured fluid passes through the annular gap formed by conic tube and float, the differential pressure produced at upper and lower ends of float produces the rising force of float, when the rising force applied to float is greater than the weight of float immersed in fluid, the float rises, the area of annular gap increases, the fluid flow speed at annular gap drops immediately, the rising force at upper and lower ends of float decreases, until the rising force equals the weight of float immersed in fluid, the float is stabilized at a certain height, and the height of float in conic tube has a correspondent relation with the flow.

With the continuous development of the industry, a plurality of float flowmeters have been designed, the most widely used is a glass float flowmeter, which is also called a glass rotameter, but the glass casing of the existing glass flowmeter is easy to be damaged by collision, and for this reason, a protection device for the float flowmeter is proposed.

Disclosure of Invention

The present invention mainly solves the technical problems existing in the prior art, and provides a protection device for a float flowmeter.

In order to achieve the purpose, the invention adopts the following technical scheme that the protection device for the float flowmeter comprises a base, wherein a rotating block is movably mounted above the base, the rotating block is a hollow elliptic block and is made of transparent plastic glass, first liquid inlet grooves are formed in the front side and the rear side of the rotating block respectively, the first liquid inlet grooves are fan-shaped grooves, the inside of the rotating block is communicated with the outside of the rotating block through the first liquid inlet grooves, a constraint column is fixedly connected to the center position of the bottom side of the inside of the rotating block and is circular cylindrical, the upper end of the constraint column is fixedly connected with the top side of the inside of the rotating block, a movable sleeve is movably mounted on the outer side of the rotating block, the cross section of the movable sleeve is elliptic, a floating block is fixedly connected to the outer side of the movable sleeve, an elliptic groove matched with the cross section of the movable sleeve is formed in the position corresponding to the movable sleeve, a marking device is arranged on the side edge of the internal corresponding constraint column of the rotating block, four groups of equal-distance cylindrical support columns are clamped to the outer side of the rotating block, two groups of arc-shaped support columns are clamped between the arc-shaped clamping sleeves, and a protective cover is connected with a protective cover.

Preferably, the thickness of the floating block is one third of the thickness of the movable sleeve.

As preferred, the activity chamber has been seted up to the inside of base, the activity chamber is cylindrical cavity, first activity groove has been seted up to the position that the upper end of base corresponds the activity chamber, first activity groove is circular through-hole, the inside movable mounting in activity chamber has first rotation post, first rotation post is circular column, the first connecting post of inside fixedly connected with that the upper end of first rotation post corresponds first activity groove, first connecting post is circular column, first connecting post movable mounting is in the inside in first activity groove, the one end that first rotation post was kept away from to first connecting post and the bottom side fixed connection of turning block.

Preferably, the marking device comprises a marking block and marking grooves, the marking block is an arc-shaped plate and is fixedly connected to the bottom side of the interior of the rotating block, the cross section of each marking groove is a three-stage arc-shaped groove, and the marking grooves are equidistantly distributed on the side faces of the marking block from bottom to top.

As preferred, the mounting groove has been seted up to the side equidistance of restraint post, and the mounting groove is the rectangular channel, and the equidistance movable mounting from bottom to top in the inside of mounting groove has the rolling ball, and the rolling ball is spherical piece, the equal fixedly connected with rectangular block in the position of the inboard corresponding mounting groove of movable sleeve.

Preferably, the two sides of the mounting groove are provided with second movable grooves corresponding to the positions of the rotating balls, the second movable grooves are circular grooves, the side surfaces of the rotating balls corresponding to the two groups of second movable grooves are fixedly connected with second rotating columns movably mounted in the second movable grooves, and the second rotating columns are circular columns.

Preferably, two mutually close longitudinal alignment's one side that the protection casing is close to each other fixedly connected with two sets of first reinforcing plates, first reinforcing plate are the rectangular plate, and two sets of first reinforcing plates symmetric distribution are in the both sides of turning block.

Preferably, the side surface of the first reinforcing plate is fixedly connected with a second reinforcing plate corresponding to the position of the protective cover, and the second reinforcing plate is a rectangular block.

Preferably, the left side and the right side of the rotating block are both provided with a second liquid inlet groove, the second liquid inlet grooves are fan-shaped grooves, and the inside of the rotating block is communicated with the outside of the rotating block through the second liquid inlet grooves.

Advantageous effects

The invention provides a protection device for a float flowmeter. The method has the following beneficial effects:

(1) This a protection device for float flowmeter, liquid get into the inside of turning block through first feed liquor groove, along with the rising liquid drive movable sleeve and the showy piece upward movement of liquid level, through the condition of determining the water level with the height of mark device contrast floating block, come to carry out a protection to the outside of turning block through four groups of protection casings, avoid debris in the liquid to carry out the striking to the turning block and lead to the condition emergence that the turning block damaged.

(2) This a protection device for float flowmeter, the movable sleeve drives the inside rectangle piece of movable sleeve and rolling ball looks mutual friction upwards when the movable sleeve rebound, and the friction between rolling ball and the movable sleeve is rolling friction, and the rolling ball drives the second and rotates the post in the inside of second activity groove and retrograde motion when rolling, and further coming reduces mutual friction loss, has improved the device's life.

(3) The protection device for the float flowmeter is reinforced by two groups of first reinforcing plates and two groups of second reinforcing plates when the outer side of the protection cover is impacted.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structures, the proportions, the sizes, and the like shown in the specification are only used for matching with the contents disclosed in the specification, so that those skilled in the art can understand and read the present invention, and do not limit the conditions for implementing the present invention, so that the present invention has no technical essence, and any modifications of the structures, changes of the proportion relation, or adjustments of the sizes, should still fall within the scope of the technical contents disclosed in the present invention without affecting the efficacy and the achievable purpose of the present invention.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a partial structure of a turning block according to the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2 according to the present invention;

FIG. 4 is an enlarged view of the structure at B in FIG. 2 according to the present invention;

FIG. 5 is an enlarged view of the structure of FIG. 2 at C according to the present invention.

Illustration of the drawings:

1. a base; 2. rotating the block; 3. a first liquid inlet tank; 4. a restraint post; 5. a movable sleeve; 6. a floating block; 7. marking a block; 8. marking a groove; 9. a support pillar; 10. a protective cover; 11. a movable cavity; 12. a first movable slot; 13. a first rotating column; 14. a first connecting column; 15. mounting grooves; 16. a second movable slot; 17. a second rotating cylinder; 18. rotating the ball; 19. a second liquid inlet tank; 20. a clamping sleeve; 21. a first reinforcing plate; 22. a second reinforcing plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The embodiment is as follows: a protection device for a float flowmeter is disclosed, as shown in figures 1-5, comprising a base 1, a rotating block 2 is movably arranged above the base 1, the rotating block 2 is a hollow elliptic block, the rotating block 2 is made of transparent plastic glass, first liquid inlet grooves 3 are respectively arranged on the front side and the rear side of the rotating block 2, the first liquid inlet grooves 3 are fan-shaped grooves, the inside of the rotating block 2 is mutually communicated with the outside of the rotating block 2 through the first liquid inlet grooves 3, a constraint column 4 is fixedly connected at the central position of the bottom side inside the rotating block 2, the constraint column 4 is circular column-shaped, the upper end of the constraint column 4 is fixedly connected with the top side inside the rotating block 2, a movable sleeve 5 is movably arranged on the outer side of the rotating block 2, the cross section of the movable sleeve 5 is elliptic and the upper end of the movable sleeve is provided with a block with a circular through hole, a floating block 6 is fixedly connected on the outer side of the movable sleeve 5, the cross section of the floating block 6 is an elliptic block, an elliptic groove matched with the cross section of the movable sleeve 5 is arranged at a position corresponding to the movable sleeve 5, a marking device is arranged at the side edge of the inner part of the rotating block 2 corresponding to the restraint column 4, four groups of supporting columns 9 are clamped at the upper end of the base 1 at equal intervals corresponding to the outer side of the rotating block 2, the supporting columns 9 are in a circular column shape, clamping sleeves 20 are clamped on the supporting columns 9, the cross section of each clamping sleeve 20 is a circular ring, a protective cover 10 is fixedly connected between two groups of clamping sleeves 20 which are close to each other, the protective cover 10 is an arc-shaped block in a C shape, liquid enters the rotating block 2 through the first liquid inlet groove 3, the movable sleeve 5 and the floating block 6 are driven to move upwards by the liquid along with the rising of the liquid level, the condition of the water level is determined by comparing the height of the floating block 6 with the marking device, and the outer side of the rotating block 2 is protected by the four groups of protective covers 10, to avoid the situation that the rotating block 2 is damaged due to the impact of the impurities in the liquid on the rotating block 2, the thickness of the floating block 6 is one third of the thickness of the movable sleeve 5, the inside of the base 1 is provided with the movable cavity 11, the movable cavity 11 is a cylindrical cavity, the upper end of the base 1 is provided with a first movable groove 12 corresponding to the position of the movable cavity 11, the first movable groove 12 is a circular through hole, the inside of the movable cavity 11 is movably provided with a first rotating column 13, the first rotating column 13 is a circular column, the upper end of the first rotating column 13 is fixedly connected with a first connecting column 14 corresponding to the inside of the first movable groove 12, the first connecting column 14 is a circular column, the first connecting column 14 is movably installed inside the first movable groove 12, one end of the first connecting column 14 far away from the first rotating column 13 is fixedly connected with the bottom side of the rotating block 2, the marking device comprises a marking block 7 and a marking groove 8, the marking block 7 is an arc-shaped plate and is fixedly connected with the bottom side of the rotating block 2, the marking groove 7 is fixedly connected with a second rotating block 15, the inner side of the rotating groove 16, the second movable groove 15 is connected with a second movable sleeve 5, the rotating groove 16, the rotating block 16, the moving groove 16 is connected with a second movable groove 16 corresponding to the inner side surface of the movable groove 16, the moving groove 16, the friction between the rotating ball 18 and the movable sleeve 5 is rolling friction, the rotating ball 18 drives the second rotating column 17 to rotate in the second movable groove 16 in a reverse direction when rolling, further friction loss between the rotating ball and the movable sleeve is reduced, one side, close to each other, of each of two protection covers 10 which are longitudinally aligned, is fixedly connected with two groups of first reinforcing plates 21, the first reinforcing plates 21 are rectangular plates, the two groups of first reinforcing plates 21 are symmetrically distributed on two sides of the rotating block 2, the side faces of the first reinforcing plates 21 correspond to the positions of the protection covers 10, the second reinforcing plates 22 are fixedly connected with second reinforcing plates 22, the second reinforcing plates 22 are rectangular blocks, when the outer sides of the protection covers 10 are impacted, through the two groups of first reinforcing plates 21 and the two groups of second reinforcing plates, second liquid inlet grooves 19 are formed in the left side and the right side of the rotating block 2, the second liquid inlet grooves 19 are fan-shaped grooves, and the inside of the rotating block 2 is communicated with the outside of the rotating block 2 through the second liquid inlet grooves 19.

Thus, the following detailed description of the embodiments of the present invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Claims (9)

1. The utility model provides a protection device for float flowmeter, includes base (1), and the top movable mounting of base (1) has turning block (2), and turning block (2) are the oval-shaped piece of hollow, and turning block (2) have transparent plastic glass to make its characterized in that: first feed liquor groove (3) have all been seted up to both sides around turning block (2), first feed liquor groove (3) are the fan-shaped groove, the inside of turning block (2) is through the outside intercommunication each other of first feed liquor groove (3) and turning block (2), the inside bottom side central point of turning block (2) puts fixedly connected with restraint post (4), restraint post (4) are circular column, the upper end of restraint post (4) and the inside top side fixed connection of turning block (2), the outside movable mounting of turning block (2) has movable sleeve (5), the piece of circular through-hole is seted up for ellipse shape and upper end to movable sleeve (5) cross section, the outside fixedly connected with float piece (6) of movable sleeve (5), float piece (6) cross section is oval-shaped block and corresponds the position of movable sleeve (5) and set up the oval-shaped groove with the cross section looks adaptation of movable sleeve (5), the side that the inside of turning block (2) corresponds restraint post (4) is provided with the mark device, the side that the upper end of base (1) corresponds turning block (2) corresponds the equal joint cover of turning block (9) has the equal joint of protection casing (20) and has the equal joint cover of the joint of equal joint of four groups of support column (20), the equal joint cover (20) that the equal joint has the joint was put between the equal joint of support column (20.

2. A protection device for a float flowmeter according to claim 1, characterized in that: the thickness of the floating block (6) is one third of that of the movable sleeve (5).

3. A protection device for a float flowmeter according to claim 1, characterized in that: activity chamber (11) have been seted up to the inside of base (1), activity chamber (11) are cylindrical cavity, first activity groove (12) have been seted up to the position that the upper end of base (1) corresponds activity chamber (11), first activity groove (12) are circular through-hole, the inside movable mounting in activity chamber (11) has first rotation post (13), first rotation post (13) are circular column, the upper end of first rotation post (13) corresponds first connecting column (14) of the inside fixedly connected with of first activity groove (12), first connecting column (14) are circular column, first connecting column (14) movable mounting is in the inside of first activity groove (12), the one end that first rotation post (13) was kept away from in first connecting column (14) and the bottom side fixed connection of turning block (2).

4. A protection device for a float flowmeter according to claim 1, characterized in that: the marking device comprises a marking block (7) and a marking groove (8), the marking block (7) is an arc-shaped plate and is fixedly connected to the bottom side of the inner portion of the rotating block (2), the cross section of the marking groove (8) is an arc-shaped groove in a three-stage shape, and the marking groove (8) is equidistantly distributed on the side face of the marking block (7) from bottom to top.

5. The protection device for a float flow meter according to claim 1, wherein: mounting groove (15) have been seted up to the side equidistance of restraint post (4), and mounting groove (15) are the rectangular channel, and the inside of mounting groove (15) from bottom to top equidistance movable mounting has rolling ball (18), and rolling ball (18) are spherical piece, and the equal fixedly connected with rectangular block in position of the inboard corresponding mounting groove (15) of movable sleeve (5).

6. The protection device for a float flow meter according to claim 5, wherein: the position that the both sides of mounting groove (15) correspond rotatable ball (18) has all seted up second movable groove (16), and second movable groove (16) are circular groove, and the equal fixedly connected with swing joint in the second of the position of the side correspondence two sets of second movable grooves (16) of rotatable ball (18) rotates post (17) at second movable groove (16) inside, and second rotates post (17) and is circular column.

7. The protection device for a float flow meter according to claim 1, wherein: the two that vertically align that are close to each other one side fixedly connected with two sets of first reinforcing plates (21) that protection casing (10) are close to each other, first reinforcing plate (21) are the rectangular plate, and two sets of first reinforcing plates (21) symmetric distribution are in the both sides of turning block (2).

8. The protection device for a float flow meter according to claim 7, wherein: the side of the first reinforcing plate (21) corresponds to the position of the protective cover (10) and is fixedly connected with a second reinforcing plate (22), and the second reinforcing plate (22) is a rectangular block.

9. The protection device for a float flow meter according to claim 1, wherein: second feed liquor groove (19) have all been seted up to the left and right sides of turning block (2), and second feed liquor groove (19) are the fan-shaped groove, and the outside intercommunication each other of second feed liquor groove (19) and turning block (2) is passed through to the inside of turning block (2).

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