CN217032609U

CN217032609U - Turbine flowmeter convenient to dismouting

Info

Publication number: CN217032609U
Application number: CN202220608980.3U
Authority: CN
Inventors: 王三刚; 周洪峰
Original assignee: Tianjin Jiahai Instrument Complete Equipment Co ltd
Current assignee: Tianjin Jiahai Instrument Complete Equipment Co ltd
Priority date: 2022-03-21
Filing date: 2022-03-21
Publication date: 2022-07-22
Anticipated expiration: 2032-03-21

Abstract

The utility model belongs to the technical field of flowmeters, and particularly relates to a turbine flowmeter convenient to disassemble and assemble, which comprises a flowmeter body provided with a flow detector and a pipeline flange arranged on a pipeline, wherein the two ends of the flowmeter body are fixedly provided with the flowmeter flange, the side wall of the flowmeter flange is provided with a clamping shaft which can circumferentially slide and axially contract, the outer side wall of the flowmeter body is provided with an obliquely arranged chute, and a sliding shaft is slidably arranged in the chute; through the setting have the flowmeter flange of card axle and with this flange complex pipeline flange, wherein the card axle can drive also to the radial shrinkage when following endwise slip through the axle that slides, in the draw-in groove that the card axle inserted in the pipeline flange, make the card axle shrink, then drive pipeline flange and be close to the flowmeter flange, make two flange laminating, so, the installation of swivel nut then need not be with very energetically, easy to assemble and dismantlement to can repeat many times dismouting.

Description

Turbine flowmeter convenient to dismouting

Technical Field

The utility model belongs to the technical field of flowmeters, and particularly relates to a turbine flowmeter convenient to disassemble and assemble.

Background

The turbine flowmeter adopts a turbine to measure, firstly, the flow speed is converted into the rotation speed of the turbine, then the rotation speed is converted into an electric signal which is in direct proportion to the flow, the flowmeter is used for detecting instantaneous flow and total integrated flow, the output signal of the flowmeter is frequency and is easy to digitize, an induction coil and a permanent magnet are fixed on a shell together, when a ferromagnetic turbine blade passes through the magnet, the magnetic resistance of a magnetic circuit is changed, thereby generating an induction signal, the signal is amplified and shaped by an amplifier and is sent to a counter or a frequency meter, and the total integrated flow is displayed.

When an existing turbine flowmeter is installed, a flange is usually connected with a flange on a pipeline, a plurality of bolt-nut combinations are arranged on the periphery of the flange, and axial tension is directly borne by the bolt-nuts, so that loads borne by the bolt-nuts are large, large torque is required during installation and disassembly, and the bolt-nuts are easily loosened due to the fact that the bolt-nuts are matched after disassembly.

SUMMERY OF THE UTILITY MODEL

The utility model provides a turbine flowmeter convenient to disassemble and assemble, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a turbine flowmeter convenient to dismouting, is including the flowmeter ware body of installing flow detector and installing the pipeline flange on the pipeline, the both ends of flowmeter ware body are all fixed and are equipped with the flowmeter flange, the card axle that can circumferential slip and axial shrink is installed to the lateral wall of flowmeter flange, set up the spout that the slope set up on the lateral wall of flowmeter ware body, slidable mounting has the axle that slides in the spout, the card axle stretches into the one end of flowmeter ware body with slide axle fixed connection, just the card axle can be followed slide axle slides, seted up on the lateral wall of pipeline flange with card axle complex draw-in groove, the card axle is kept away from the one end of slide axle can stretch into to in the draw-in groove, so that pass through between flowmeter flange and the pipeline flange card axle fixed connection.

Preferably, the clamping shaft comprises a limiting piece and a connecting shaft, one end of the connecting shaft is fixedly connected with the sliding shaft, and the other end of the connecting shaft is fixedly connected with the limiting piece.

Preferably, the draw-in groove includes slot and slide, the slot with the cross-section of spacing piece is equal, the width of slide with the diameter of connecting axle equals, slot and slide intercommunication, just the slot extends to the inboard of slide.

Preferably, a first sealing groove, a second sealing groove and a third sealing groove are sequentially formed in the side surface wall of the flowmeter flange from outside to inside, and a first sealing groove, a second sealing groove and a third sealing groove are sequentially formed in the side surface wall of the pipeline flange from outside to inside.

Preferably, a limiting shaft seat is fixedly arranged on the outer side wall of the flowmeter body corresponding to one end, away from the flowmeter flange, of the sliding groove, a notch is formed in the limiting shaft seat, and the diameter of the notch is the same as that of the sliding shaft.

Preferably, the outer side of the limiting shaft seat is in threaded connection with a threaded sleeve.

Preferably, a hoop sleeve is installed on the outer sides of the flowmeter flange and the pipeline flange, the hoop sleeve is clamped on the outer sides of the flowmeter flange and the pipeline flange, and a first sealing ring, a second sealing ring and a third sealing ring are installed in the first sealing groove, the second sealing groove and the third sealing groove respectively.

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

according to the utility model, the flowmeter flange with the clamping shaft and the pipeline flange matched with the flange are arranged, wherein the clamping shaft can be driven by the sliding shaft to axially slide and also radially contract, when the clamping shaft is inserted into the clamping groove in the pipeline flange, the clamping shaft contracts, and the pipeline flange is driven to be close to the flowmeter flange, so that the two flanges are attached, therefore, the installation of the screw sleeve does not need to use great force, the installation and the disassembly are convenient, and the repeated disassembly and assembly can be realized.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

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

FIG. 2 is a schematic view of the construction of a flow meter flange according to the present invention;

FIG. 3 is a schematic view of the construction of the pipe flange according to the present invention;

fig. 4 is a schematic view of a connection structure of flanges in the present invention.

In the figure: 1. a flowmeter body; 11. a chute; 12. a flow detector; 2. a flow meter flange; 21. a first seal groove; 22. a second seal groove; 23. a third seal groove; 3. a sliding shaft; 4. clamping a shaft; 41. a limiting sheet; 42. a connecting shaft; 5. a limit shaft seat; 51. a notch; 6. a threaded sleeve; 7. a pipe flange; 71. a card slot; 711. inserting slots; 712. a slideway; 8. a hoop sleeve; 81. a first seal ring; 82. a second seal ring; 83. and a third sealing ring.

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.

Referring to fig. 1-4, the present invention provides the following technical solutions: the utility model provides a turbine flowmeter convenient to dismouting, including the flowmeter ware body 1 of installing flow detector 12 and install pipeline flange 7 on the pipeline, flowmeter flange 2 is all fixed to the both ends of flowmeter ware body 1, can circumferential direction slip, and the card axle 4 of axial shrink is installed to the lateral wall of flowmeter flange 2, set up the spout 11 that the slope set up on the lateral wall of flowmeter ware body 1, slidable mounting has slip axle 3 in spout 11, the one end that card axle 4 stretched into flowmeter ware body 1 and slip axle 3 fixed connection, and card axle 4 can follow slip axle 3 and slide, set up on the lateral wall of pipeline flange 7 with card axle 4 complex draw-in groove 71, the one end that card axle 4 kept away from slip axle 3 can stretch into to draw-in groove 71, so that pass through card axle 4 fixed connection between flowmeter flange 2 and the pipeline flange 7.

In the embodiment, by arranging the flowmeter flange 2 with the clamping shaft 4 and the pipeline flange 7 matched with the flange, wherein the clamping shaft 4 can be driven by the sliding shaft 3 to axially slide and also radially contract, thus, when the clamping shaft 4 is in an extending state, the clamping shaft 4 can be inserted into the clamping groove 71 in the pipeline flange 7, then the sliding shaft 3 is slid to the notch 51 arranged on the limiting shaft seat 5, the clamping shaft 4 is contracted, the pipeline flange 7 is driven to be close to the flowmeter flange 2, the two flanges are attached, then the threaded sleeve 6 is arranged on the outer side of the limiting shaft seat 5, the position of the sliding shaft 3 is limited, wherein the force application process of the sliding shaft 3 is circumferential force application, so that the two flanges achieve the attaching effect in the axial direction, thus, the installation of the threaded sleeve 6 does not need to use great force, the installation and the disassembly are convenient, the threaded sleeve can be repeatedly disassembled and assembled, and disassembled, and assembled and disassembled for many times are finally, the hoop sleeves 8 are sleeved on the outer sides of the pipeline flange 7 and the flowmeter flange 2, and a first sealing ring 81, a second sealing ring 82 and a third sealing ring 83 are arranged between the two flanges to realize the sealing between the flanges.

Specifically, the clamping shaft 4 includes a limiting piece 41 and a connecting shaft 42, one end of the connecting shaft 42 is fixedly connected with the sliding shaft 3, the other end of the connecting shaft is fixedly connected with the limiting piece 41, the clamping groove 71 includes a slot 711 and a slide 712, the slot 711 has the same cross section as the limiting piece 41, the width of the slide 712 is the same as the diameter of the connecting shaft 42, the slot 711 is communicated with the slide 712, and the slot 711 extends to the inner side of the slide 712.

Specifically, a first seal groove 21, a second seal groove 22 and a third seal groove 23 are sequentially formed in the side surface wall of the flowmeter flange 2 from outside to inside, a first seal groove 21, a second seal groove 22 and a third seal groove 23 are sequentially formed in the side surface wall of the pipeline flange 7 from outside to inside, a hoop 8 is installed on the outer sides of the flowmeter flange 2 and the pipeline flange 7, the hoop 8 is clamped and sleeved on the outer sides of the flowmeter flange 2 and the pipeline flange 7, and a first seal ring 81, a second seal ring 82 and a third seal ring 83 are respectively installed in the first seal groove 21, the second seal groove 22 and the third seal groove 23.

Specifically, correspond fixed spacing axle bed 5 that is equipped with of one end that flowmeter flange 2 was kept away from to spout 11 on flowmeter ware body 1's the lateral wall, breach 51 has been seted up on the spacing axle bed 5, the diameter of breach 51 is the same with the diameter of the axle 3 that slides, swivel nut 6 is installed to the outside spiro union of spacing axle bed 5, install swivel nut 6 in the outside of spacing axle bed 5, position to the axle 3 that slides carries on spacingly, wherein the application of force process of the axle 3 that slides is the circumference application of force, make two flanges reach the laminating effect in the axial, thus, the installation of swivel nut 6 then need not be with very big power, easy to assemble and dismantle, and can repeat many times the dismouting.

The working principle and the using process of the utility model are as follows: when the flowmeter is installed, a first sealing ring 81, a second sealing ring 82 and a third sealing ring 83 are sequentially installed in a first sealing groove 21, a second sealing groove 22 and a third sealing groove 23, then a limiting piece 41 at the end part of a connecting shaft 42 is inserted into a clamping groove 71 from a slot 711 part, then when a clamping shaft 4 is driven by a sliding shaft 3 to move, the connecting shaft 42 can move along a sliding way 712 part, and the limiting piece 41 can slide inside, when the limiting piece 41 slides at the other end, the limiting piece 41 is limited by the sliding way 712 part and cannot axially depart from, so that a stable axial fixing state is achieved, then the sliding shaft 3 is slid to a notch 51 arranged on a limiting shaft seat 5, so that the clamping shaft 4 contracts, a pipeline flange 7 is driven to be close to a flowmeter flange 2, so that the two flanges are attached, a threaded sleeve 6 is installed on the outer side of the limiting shaft seat 5, the position of the sliding shaft 3 is limited, wherein the force application process of the sliding shaft 3 is circumferential force application, make two flanges reach the laminating effect in the axial, so, the installation of swivel nut 6 then need not use very energetically, easy to assemble and dismantlement to can repeat many times dismouting.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Finally, it should be noted that: 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 changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a turbine flowmeter convenient to dismouting which characterized in that: including installing flowmeter ware body (1) of flow detector (12) and installing pipeline flange (7) on the pipeline, the both ends of flowmeter ware body (1) are all fixed and are equipped with flowmeter flange (2), card axle (4) that can the circumferential slip and axial shrink are installed to the lateral wall of flowmeter flange (2), set up spout (11) that the slope set up on the lateral wall of flowmeter ware body (1), slidable mounting has slip axle (3) in spout (11), card axle (4) stretch into the one end of flowmeter ware body (1) with slip axle (3) fixed connection, just card axle (4) can be followed slip axle (3) slide, seted up on the lateral wall of pipeline flange (7) with card axle (4) complex draw-in groove (71), keep away from card axle (4) the one end of slip axle (3) can stretch into in draw-in groove (71), so that the flowmeter flange (2) and the pipeline flange (7) are fixedly connected through the clamping shaft (4).

2. A readily disassembled turbine flow meter as claimed in claim 1 wherein: the card axle (4) includes spacing piece (41) and connecting axle (42), the one end of connecting axle (42) with shaft (3) the fixed connection that slides, other end fixed connection spacing piece (41).

3. A readily disassembled turbine flow meter according to claim 2, wherein: the clamping groove (71) comprises a slot (711) and a slide way (712), the slot (711) is equal to the cross section of the limiting sheet (41), the width of the slide way (712) is equal to the diameter of the connecting shaft (42), the slot (711) is communicated with the slide way (712), and the slot (711) extends to the inner side of the slide way (712).

4. A readily disassembled turbine flow meter as claimed in claim 1 wherein: a first sealing groove (21), a second sealing groove (22) and a third sealing groove (23) are sequentially formed in the side surface wall of the flowmeter flange (2) from outside to inside, and the first sealing groove (21), the second sealing groove (22) and the third sealing groove (23) are sequentially formed in the side surface wall of the pipeline flange (7) from outside to inside.

5. The easy-to-mount/dismount turbine flow meter according to claim 4, wherein: the outer side wall of the flowmeter body (1) corresponds to one end, away from the flowmeter flange (2), of the sliding groove (11) and is fixedly provided with a limiting shaft seat (5), a notch (51) is formed in the limiting shaft seat (5), and the diameter of the notch (51) is the same as that of the sliding shaft (3).

6. A readily disassembled turbine flow meter as claimed in claim 5, wherein: the outer side of the limit shaft seat (5) is provided with a threaded sleeve (6) in a threaded manner.

7. A readily disassembled turbine flow meter as claimed in claim 6 wherein: hoop cover (8) are installed in flowmeter flange (2) and the outside of pipeline flange (7), hoop cover (8) card cover is in the outside of flowmeter flange (2), pipeline flange (7), just install first sealing washer (81), second sealing washer (82) and third sealing washer (83) in first seal groove (21), second seal groove (22) and third seal groove (23) respectively.