CN215491881U - Rotor flow meter convenient to aggregate erection - Google Patents

Abstract

The utility model belongs to the technical field of flowmeters, and particularly relates to a rotor flowmeter convenient to assemble and install, which comprises a flowmeter body, wherein a first fixed block and a second fixed block are respectively installed at the top end and the bottom end of the flowmeter body, the first fixed block and the second fixed block are fixedly connected with a flange plate through bosses, and the first fixed block and the second fixed block are connected with a protective cover through a fixing component; according to the device, the annular base is conveniently fixed in the annular mounting groove by workers through the thread fit between the special-shaped bolt and the special-shaped thread groove, so that the bottom of the protective cover is conveniently fixed, the tops of the protective covers are conveniently and preliminarily fixed by the workers through the fit between the arc-shaped block, the second spring, the sliding block, the T-shaped block and the arc-shaped limiting groove, the protective cover is conveniently and fixedly mounted between the first fixed block and the second fixed block by the workers, and the protective cover is conveniently replaced when damaged.

Description

Rotor flow meter convenient to aggregate erection

Technical Field

The utility model relates to the technical field of flowmeters, in particular to a rotor flowmeter convenient to assemble and install.

Background

The rotor flowmeter measures the flow of fluid according to the throttling principle, but the flow area of the fluid is changed to keep the differential pressure above and below the rotor constant, so the rotor flowmeter is also called as a variable flow area constant differential pressure flowmeter and is also called as a float flowmeter.

At present, a transparent protective cover is often required to be arranged on the outer side of a rotor flow meter to protect a rotor flow meter body when the rotor flow meter is used, however, the existing installation structure of the rotor flow meter and the protective cover is complex, and the protective cover is inconvenient to replace after the protective cover is damaged; therefore, a rotor flow meter which is convenient to assemble and install is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

In order to make up for the defects of the prior art and solve the problems that the mounting structure of the conventional rotameter and a protective cover is complex and the protective cover is inconvenient to replace after the protective cover is damaged, the utility model provides the rotameter convenient to assemble and mount.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model relates to a rotor flowmeter convenient to assemble and install, which comprises a flowmeter body, wherein a first fixed block and a second fixed block are respectively installed at the top end and the bottom end of the flowmeter body, the first fixed block and the second fixed block are fixedly connected with a flange plate through bosses, and the first fixed block and the second fixed block are connected with a protective cover through a fixing component;

the fixing assembly comprises an annular base, special-shaped bolts and arc-shaped blocks, the bottom end of the protective cover is fixedly connected with the annular base, the top end of the second fixing block is provided with an annular mounting groove, the annular base is attached to the annular mounting groove, the outer side wall of the annular base is provided with a plurality of special-shaped thread grooves, the special-shaped bolts are in threaded connection with the special-shaped thread grooves, the bottom of the first fixing block is provided with an annular groove and a plurality of arc-shaped limiting grooves, the top end of the protective cover penetrates through the annular groove to be fixedly connected with the arc-shaped blocks, and the arc-shaped blocks are attached to the arc-shaped limiting grooves; through the screw-thread fit between dysmorphism bolt and the special-shaped thread groove, the staff of being convenient for fixes annular base in the annular mounting groove, and then the safety cover bottom of being convenient for is fixed, and the staff of being convenient for is fixed the top of safety cover with fixed block one through the cooperation between a plurality of arc pieces and the arc spacing groove that the safety cover top was equipped with.

Preferably, a plurality of limiting blocks are fixedly connected to the bottom end of the annular mounting groove, a plurality of limiting circular grooves are formed in the bottom of the annular base, and the limiting blocks are attached to the limiting circular grooves; the annular base is driven to slide in the annular mounting groove through the rotary protection cover, so that the limiting blocks in the annular mounting groove are attached to the limiting circular grooves in the annular base, the annular base is limited, and the auxiliary positioning effect on subsequent threaded connection is facilitated.

Preferably, grooves are formed in two ends of the inner side of the special-shaped thread groove, a first spring is fixedly connected in each groove, a positioning block is fixedly connected to the other end of the first spring, the positioning blocks are attached to the positioning grooves formed in the two ends of the inner side of the special-shaped bolt, and each positioning block is hemispherical; elastic potential energy through spring one drives the locating piece roll-off recess and laminates mutually with the positioning groove on the special-shaped bolt, is convenient for further carry on spacingly to the special-shaped bolt, prevents that the special-shaped bolt is not hard up.

Preferably, a plurality of openings are formed in the annular groove, the arc-shaped block is adaptive to the openings and the arc-shaped limiting groove, a sliding block is connected to the inner cavity of the arc-shaped block in a sliding mode, the sliding block is fixedly connected with the T-shaped block, the other end of the T-shaped block penetrates through the arc-shaped block and is attached to the top end of the arc-shaped limiting groove, a second spring is sleeved on the T-shaped block, one end of the second spring is fixedly connected with the sliding block, and the other end of the second spring is fixedly connected with the inner wall of the arc-shaped block; through the cooperation between arc piece, arc spacing groove, spring two, slider and the T type piece for the arc piece closely laminates with the arc spacing groove, and then makes the arc piece tentatively fixed.

Preferably, the cross sections of the arc-shaped limiting groove and the annular groove are T-shaped, the bottom of one side, away from the opening, of the arc-shaped limiting groove is provided with a clamping groove, the bottom of the arc-shaped block is fixedly connected with a clamping block, and the clamping block is matched with the clamping groove; the bottom of the arc-shaped block is attached to the arc-shaped limiting groove through elastic potential energy of the second spring, and meanwhile, the clamping block is attached to the clamping groove, so that the arc-shaped block is further fixed in the arc-shaped limiting groove.

Preferably, a plurality of through holes are formed in the first fixing block and are communicated with the arc-shaped limiting groove, a thread groove is formed in the outer side of the arc-shaped block, a bolt is connected to the thread groove in an internal thread mode, and the other end of the bolt penetrates through the through holes; through the screw-thread fit of the through-hole on the bolt through fixed block one and the thread groove on the arc piece for the arc piece is locked with fixed block one by the locking, prevents that the safety cover is not hard up to break away from.

The utility model has the advantages that:

1. according to the device, through the thread fit between the special-shaped bolt and the special-shaped thread groove, workers can fix the annular base in the annular mounting groove conveniently, so that the bottom of the protective cover can be fixed conveniently, and through the fit between the arc-shaped block, the second spring, the sliding block, the T-shaped block and the arc-shaped limiting groove, the top of the protective cover can be fixed preliminarily by the workers conveniently;

2. according to the utility model, the limiting round groove on the annular base is matched with the limiting block, so that the subsequent threaded connection can be conveniently assisted in positioning, the first spring, the first positioning block and the positioning groove are matched, so that the special-shaped bolt can be further limited, the loosening of the special-shaped bolt can be prevented, and the arc-shaped block can be further limited and fixed through the matching among the clamping block, the first magnetic block, the clamping groove and the second magnetic block, so that the loosening and separation of the protective cover can be prevented.

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, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a schematic overall perspective view of a first embodiment;

FIG. 2 is a schematic diagram of the overall internal structure in the first embodiment;

FIG. 3 is a schematic view of a portion of the enlarged structure at A in FIG. 2;

FIG. 4 is a schematic view of a portion of the enlarged structure at B in FIG. 2;

FIG. 5 is a schematic structural diagram of a second fixing block in the first embodiment;

FIG. 6 is a schematic structural diagram of a second fixing block in the first embodiment;

fig. 7 is a partial structural schematic diagram in the second embodiment.

In the figure: 1. a flowmeter body; 2. a flange plate; 3. a first fixed block; 4. a second fixed block; 5. a protective cover; 6. an annular base; 7. a first spring; 8. positioning blocks; 9. an annular mounting groove; 10. a limiting block; 11. a special-shaped thread groove; 12. a special-shaped bolt; 13. an arc-shaped limiting groove; 14. a card slot; 15. an arc-shaped block; 16. a slider; 17. a T-shaped block; 18. a second spring; 19. a clamping block; 20. a first magnetic block; 21. and a second magnetic block.

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.

Example one

Referring to fig. 1-6, a rotor flow meter convenient to assemble and install includes a flow meter body 1, a first fixing block 3 and a second fixing block 4 are respectively installed at the top end and the bottom end of the flow meter body 1, the first fixing block 3 and the second fixing block 4 are fixedly connected with a flange 2 through a boss, and the first fixing block 3 and the second fixing block 4 are connected with a protective cover 5 through a fixing assembly; the fixing assembly comprises an annular base 6, a special-shaped bolt 12 and arc-shaped blocks 15, the annular base 6 is fixedly connected to the bottom end of the protective cover 5, an annular mounting groove 9 is formed in the top end of the second fixing block 4, the annular base 6 is attached to the annular mounting groove 9, a plurality of special-shaped thread grooves 11 are formed in the outer side wall of the annular base 6, the special-shaped bolt 12 is in threaded connection with the special-shaped thread grooves 11, an annular groove and a plurality of arc-shaped limiting grooves 13 are formed in the bottom of the first fixing block 3, the top end of the protective cover 5 penetrates through the annular groove to be fixedly connected with the arc-shaped blocks 15, and the arc-shaped blocks 15 are attached to the arc-shaped limiting grooves 13; during operation, install fixed block two 4 and a boss and flange 2 in the bottom of flowmeter body 1 earlier, sliding fit between the annular base 6 of annular mounting groove 9 and 5 bottom rigid couplings of safety cover on through fixed block two 4, be convenient for the staff with safety cover 5 slip in fixed block two 4, run through the screw-thread fit between the special-shaped thread groove 11 on fixed block two 4 and the annular base 6 through special-shaped bolt 12, be convenient for the staff fixes annular base 6 in annular mounting groove 9, and then be convenient for the fixed of 5 bottoms of safety cover, rethread the cooperation between a plurality of arc pieces 15 and the arc spacing groove 13 that 5 tops of safety cover were equipped with, be convenient for the staff is fixed with fixed block one 3 with the top of safety cover 5, install fixed block one 3 and another boss and flange 2 at the top of flowmeter body 1 again.

The bottom end of the annular mounting groove 9 is fixedly connected with a plurality of limiting blocks 10, the bottom of the annular base 6 is provided with a plurality of limiting circular grooves, and the limiting blocks 10 are attached to the limiting circular grooves; during operation, when annular base 6 slides in annular mounting groove 9, drive annular base 6 and slide in annular mounting groove 9 through rotatory safety cover 5 for stopper 10 in the annular mounting groove 9 laminates with the spacing circular slot on the annular base 6 mutually, makes annular base 6 by spacing, is convenient for play assistance-localization real-time's effect to subsequent threaded connection.

Grooves are formed in two ends of the inner side of the special-shaped thread groove 11, a first spring 7 is fixedly connected in each groove, a positioning block 8 is fixedly connected to the other end of the first spring 7, the positioning blocks 8 are attached to the positioning grooves formed in the two ends of the inner side of the special-shaped bolt 12, and the positioning blocks 8 are hemispherical; during operation, when the special-shaped bolt 12 is screwed into the special-shaped thread groove 11, the elastic potential energy of the first spring 7 drives the positioning block 8 to slide out of the groove to be attached to the positioning groove on the special-shaped bolt 12, so that the special-shaped bolt 12 is further limited, and the special-shaped bolt 12 is prevented from loosening.

The annular groove is provided with a plurality of openings, the arc-shaped block 15 is adaptive to the openings and the arc-shaped limiting groove 13, the inner cavity of the arc-shaped block 15 is connected with a sliding block 16 in a sliding mode, the sliding block 16 is fixedly connected with a T-shaped block 17, the other end of the T-shaped block 17 penetrates through the arc-shaped block 15 and is attached to the top end of the arc-shaped limiting groove 13, a spring II 18 is sleeved on the T-shaped block 17, one end of the spring II 18 is fixedly connected with the sliding block 16, and the other end of the spring II 18 is fixedly connected with the inner wall of the arc-shaped block 15; during operation, when fixing the top of safety cover 5, it is corresponding with the opening on the ring channel with arc piece 15 earlier, rethread sliding down fixed block one 3 makes arc piece 15 slide in arc spacing groove 13 along the opening, continue sliding down fixed block one 3 and slide in arc spacing groove 13 until the fixture block 19 that arc piece 15 bottom was equipped with, T type piece 17 extrudees slider 16 downwards simultaneously, make slider 16 relative slip in the inner chamber of arc piece 15, and then make spring two 18 tensile, make arc piece 15 slide to keeping away from open-ended one side in the arc spacing groove 13 through rotating fixed block one 3, elastic potential energy through spring two 18 makes arc piece 15 closely laminate with arc spacing groove 13, and then make arc piece 15 by preliminary fixed.

The sections of the arc-shaped limiting groove 13 and the annular groove are T-shaped, the bottom of one side, away from the opening, of the arc-shaped limiting groove 13 is provided with a clamping groove 14, the bottom of the arc-shaped block 15 is fixedly connected with a clamping block 19, and the clamping block 19 is matched with the clamping groove 14; when the arc-shaped block 15 slides to the side, far away from the opening, of the arc-shaped limiting groove 13, the bottom of the arc-shaped block 15 is attached to the arc-shaped limiting groove 13 through elastic potential energy of the second spring 18, meanwhile, the clamping block 19 is attached to the clamping groove 14, and the arc-shaped block 15 is further fixed in the arc-shaped limiting groove 13.

A plurality of through holes are formed in the first fixing block 3 and are communicated with the arc-shaped limiting groove 13, a thread groove is formed in the outer side of the arc-shaped block 15, a bolt is connected to the thread groove in an internal thread mode, and the other end of the bolt penetrates through the through holes; during operation, when the arc-shaped block 15 slides to the arc-shaped limiting groove 13, the side far away from the opening is kept away from, and the clamping block 19 is attached to the clamping groove 14, and a worker penetrates through the through hole in the first fixing block 3 and is in threaded fit with the threaded groove in the arc-shaped block 15 through the bolt, so that the arc-shaped block 15 and the first fixing block 3 are locked and fixed, and the protective cover 5 is prevented from loosening and breaking away from.

Example two

Referring to fig. 7, in a first comparative example, as another embodiment of the present invention, a second magnetic block 21 is fixedly connected in the slot 14, a first magnetic block 20 is fixedly connected to the bottom end of the clamping block 19, and the first magnetic block 20 is attached to the second magnetic block 21; when the protective cover works, when the clamping block 19 slides into the clamping groove 14, the first magnetic block 20 at the bottom end of the clamping block 19 and the second magnetic block 21 in the clamping groove 14 are mutually adsorbed and attached, so that the fixing effect of the first fixing block 3 and the first arc-shaped block 15 is enhanced, and the phenomenon that the installation of the protective cover 5 is influenced by the looseness of the first arc-shaped block 15 is avoided.

The working principle is that firstly the second fixed block 4 and a boss and a flange 2 are installed at the bottom of the flowmeter body 1, through the sliding fit between the annular mounting groove 9 on the second fixed block 4 and the annular base 6 fixedly connected with the bottom end of the protective cover 5, the protective cover 5 is convenient for workers to slide into the second fixed block 4, through the thread fit between the second fixed block 4 and the special-shaped thread groove 11 on the annular base 6 by the special-shaped bolt 12, the workers are convenient to fix the annular base 6 in the annular mounting groove 9, and further the bottom of the protective cover 5, through the fit between the plurality of arc-shaped blocks 15 arranged at the top end of the protective cover 5 and the arc-shaped limiting grooves 13, the workers are convenient to fix the top end of the protective cover 5 and the first fixed block 3, then the first fixed block 3, the other boss and the flange 2 are installed at the top of the flowmeter body 1, when the annular base 6 slides into the annular mounting groove 9, the annular base 6 is driven to slide in the annular mounting groove 9 by rotating the protective cover 5, the limiting block 10 in the annular mounting groove 9 is attached to the limiting circular groove on the annular base 6, so that the annular base 6 is limited, the subsequent threaded connection is facilitated to play a role in auxiliary positioning, when the special-shaped bolt 12 is screwed into the special-shaped threaded groove 11, the elastic potential energy of the spring I7 drives the positioning block 8 to slide out of the groove to be attached to the positioning groove on the special-shaped bolt 12, the special-shaped bolt 12 is further limited, the special-shaped bolt 12 is prevented from loosening, when the top of the protective cover 5 is fixed, the arc-shaped block 15 corresponds to the opening on the annular groove, the arc-shaped block 15 slides into the arc-shaped limiting groove 13 along the opening by sliding the fixing block I3 downwards, and the fixing block I3 continues to slide downwards until the clamping block 19 arranged at the bottom of the arc-shaped block 15 slides into the arc-shaped limiting groove 13, meanwhile, the T-shaped block 17 extrudes the sliding block 16 downwards, the sliding block 16 slides relatively in the inner cavity of the arc-shaped block 15, the spring II 18 is stretched, the arc-shaped block 15 slides to the arc-shaped limiting groove 13 through rotating the first fixing block 3, the opening is far away from one side, the arc-shaped block 15 is tightly attached to the arc-shaped limiting groove 13 through elastic potential energy of the spring II 18, the clamping block 19 is attached to the clamping groove 14, the arc-shaped block 15 is further fixed in the arc-shaped limiting groove 13, a worker penetrates through a through hole in the first fixing block 3 through a bolt to be in threaded fit with a threaded groove in the arc-shaped block 15, the arc-shaped block 15 and the first fixing block 3 are locked and fixed, and the protective cover 5 is prevented from loosening and breaking away.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.

Claims (6)

1. The utility model provides a rotor flow meter convenient to aggregate erection which characterized in that: the flowmeter comprises a flowmeter body (1), wherein a first fixed block (3) and a second fixed block (4) are respectively installed at the top end and the bottom end of the flowmeter body (1), the first fixed block (3) and the second fixed block (4) are fixedly connected with a flange plate (2) through bosses, and the first fixed block (3) and the second fixed block (4) are connected with a protective cover (5) through a fixing component;

fixed subassembly includes annular base (6), special-shaped bolt (12) and arc piece (15), the bottom rigid coupling of safety cover (5) has annular base (6), the top of fixed block two (4) is equipped with annular mounting groove (9), annular base (6) and annular mounting groove (9) laminating, be equipped with a plurality of special-shaped thread grooves (11) on the lateral wall of annular base (6), special-shaped bolt (12) and special-shaped thread groove (11) threaded connection, the bottom of fixed block (3) is equipped with ring channel and a plurality of arc spacing groove (13), the ring channel is run through on the top of safety cover (5) and a plurality of arc piece (15) rigid couplings, arc piece (15) and arc spacing groove (13) laminate mutually.

2. A rotor flow meter for facilitating assembly according to claim 1, wherein: the bottom rigid coupling of annular mounting groove (9) has a plurality of stoppers (10), the bottom of annular base (6) is equipped with a plurality of spacing circular slots, stopper (10) laminate mutually with spacing circular slot.

3. A rotor flow meter for facilitating assembly according to claim 2, wherein: the inboard both ends of dysmorphism thread groove (11) all are equipped with the recess, the rigid coupling has spring (7) in the recess, the other end rigid coupling of spring (7) has locating piece (8), the locating piece (8) laminate mutually with the locating groove that special-shaped bolt (12) inboard both ends were equipped with, locating piece (8) are hemispherical.

4. A rotor flow meter for facilitating assembly according to claim 3, wherein: be equipped with a plurality of openings on the ring channel, arc piece (15) all adapt to with opening and arc spacing groove (13), the inner chamber sliding connection of arc piece (15) has slider (16), slider (16) and T type piece (17) rigid coupling, the other end of T type piece (17) runs through the top of arc piece (15) and arc spacing groove (13) and laminates mutually, the cover has spring two (18) on T type piece (17), the one end and the slider (16) rigid coupling of spring two (18), the other end and the inner wall rigid coupling of arc piece (15) of spring two (18).

5. A rotor flow meter for facilitating assembly according to claim 4, wherein: the cross-section of arc spacing groove (13) and ring channel is the T type, open-ended one side bottom is kept away from in arc spacing groove (13) is equipped with draw-in groove (14), the bottom rigid coupling of arc piece (15) has fixture block (19), fixture block (19) suit with draw-in groove (14).

6. A rotor flow meter for facilitating assembly according to claim 5, wherein: be equipped with a plurality of through-holes on fixed block (3), through-hole and arc spacing groove (13) intercommunication, the outside of arc piece (15) is equipped with the thread groove, thread groove female connection has the bolt, the other end of bolt runs through the through-hole.

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