CN211121427U

CN211121427U - Flow instrument with cavitation erosion prevention function

Info

Publication number: CN211121427U
Application number: CN201922291674.2U
Authority: CN
Inventors: 李武鹏; 李振宇
Original assignee: Beijing Chenmiao Technology Co ltd
Current assignee: Beijing Chenmiao Technology Co ltd
Priority date: 2019-12-19
Filing date: 2019-12-19
Publication date: 2020-07-28
Anticipated expiration: 2029-12-19

Abstract

The utility model discloses a flow instrument with anti-cavitation function, including shell, counter and a magnetism section of thick bamboo, the equal welded fastening in both ends has solid fixed ring about the shell, and installs the counter on the middle part of shell, it has the spacing groove to reserve on the inner wall of shell, the surface integration of a magnetism section of thick bamboo is provided with the lug, and the middle part of a magnetism section of thick bamboo is provided with the installation pole, the surface mounting of installation pole has the flabellum, and the outer end welded fastening of flabellum has the magnetic stripe, the magnetic section of thick bamboo all installs the support pearl in both ends all embedded about, and the left and right sides of a magnetism section of thick bamboo all installs the holding ring, the surface integration of holding ring is provided with the stopper, and the holding ring is. This flow instrument with anti-cavitation function can dismantle a magnetism section of thick bamboo, and the change is dismantled to the magnetism section of thick bamboo of damage to the convenience, and conveniently clears up adnexed debris on the magnetism section of thick bamboo, has improved the life of a magnetism section of thick bamboo.

Description

Flow instrument with cavitation erosion prevention function

Technical Field

The utility model relates to a flow instrument technical field specifically is a flow instrument with anti-cavitation function.

Background

Cavitation erosion is the phenomenon that cavitation corrosion damages occur on the metal surface contacted with fluid under the conditions of high-speed flow and pressure change of the fluid, the cavitation erosion phenomenon is easy to occur in a flow meter, the service life of the flow meter is seriously influenced, the flow meters used at present are various, but the defects still exist;

for example, the utility model discloses a flow instrument with anti-cavitation function passes through liquid and drives the current equalizer rotation and equally divide the distribution of liquid velocity and pressure in the casing through the current equalizer for liquid pressure on the shells inner wall is even, has prevented that cavitation phenomenon from appearing in flow instrument's inner wall, thereby has improved flow instrument's practicality, but inconvenient dismantles the change to the magnetism section of thick bamboo of damage, and inconvenient to the magnetism section of thick bamboo on adnexed debris clear up, has influenced the life of magnetism section of thick bamboo, consequently, the utility model provides a flow instrument with anti-cavitation function to solve the above-mentioned problem that proposes.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a flow instrument with prevent cavitation erosion function to the flow instrument with prevent cavitation erosion function that provides at present among the solution above-mentioned background art is inconvenient dismantles the change to the magnetic cylinder of damage, and is inconvenient clears up adnexed debris on the magnetic cylinder, has influenced magnetic cylinder's life's problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a flow instrument with prevent cavitation erosion function, includes shell, counter and a magnetism section of thick bamboo, the equal welded fastening in both ends has solid fixed ring about the shell, and installs the counter on the middle part of shell, it has the spacing groove to reserve on the inner wall of shell, and the inside of shell runs through there is a magnetism section of thick bamboo, the surface integration of a magnetism section of thick bamboo is provided with the lug, and the middle part of a magnetism section of thick bamboo is provided with the installation pole, the surface mounting of installation pole has the flabellum, and the outer end welded fastening of flabellum has the magnetic stripe, the equal embedded support pearl of installing in both ends about a magnetism section of thick bamboo, and the locating ring is all installed to the left and right sides of a magnetism section of thick bamboo, the surface integration of.

Preferably, the lugs on the magnetic cylinder and the limiting grooves are arranged in a one-to-one correspondence manner, the lugs are connected with the limiting grooves in a clamping manner, and the outer diameter of the magnetic cylinder is equal to the inner diameter of the shell.

Preferably, the outer surface of the magnetic stripe is attached to the inner wall of the magnetic cylinder, and the supporting beads on the magnetic stripe are attached to the inner side surface of the positioning ring.

Preferably, the length dimension of the magnetic stripe is equal to the length dimension of the magnetic cylinder, the magnetic stripe is distributed at equal angles relative to the central axis of the mounting rod, and the central axis of the mounting rod and the central axis of the magnetic cylinder are mutually arranged.

Preferably, the holding ring is connected with the shell block, and the sealing washer is all pasted and fixed to the left and right sides of holding ring.

Preferably, the positioning ring is clamped between the fixing sleeve and the magnetic cylinder, and the fixing sleeve is in threaded connection with the shell.

Compared with the prior art, the beneficial effects of the utility model are that: the flow meter with the cavitation erosion prevention function can be used for disassembling the magnetic cylinder, is convenient for disassembling and replacing the damaged magnetic cylinder, is convenient for cleaning sundries attached to the magnetic cylinder, and prolongs the service life of the magnetic cylinder;

1. the positioning ring and the magnetic cylinder are convenient to disassemble through threaded connection between the fixing sleeve and the shell, and meanwhile, the position of the magnetic cylinder is convenient to limit through clamping connection between the lug and the limiting groove, so that the relative rotation phenomenon between the magnetic cylinder and the shell is avoided;

2. the fan blades can drive the magnetic strips to rotate under the action of the fluid on the fan blades, so that the magnetic strips wipe the inner wall of the magnetic cylinder, the phenomenon of damage caused by the aid of sundries is avoided, and the service life of the magnetic cylinder is prolonged;

3. through the sealing washer of the holding ring left and right sides, guaranteed the closely knit nature of holding ring and fixed cover and a magnetic cylinder laminating position, simultaneously through the rotation of supporting the pearl can be wearing and tearing between effectual reduction magnetic stripe and the holding ring.

Drawings

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

FIG. 2 is a schematic side view of the cross-sectional structure of the magnetic cylinder connected to the housing of the present invention;

FIG. 3 is a schematic view of the connection structure of the positioning ring and the housing according to the present invention;

fig. 4 is an enlarged schematic structural view of a portion a in fig. 1 according to the present invention.

In the figure: 1. a housing; 2. a fixing ring; 3. a meter; 4. a limiting groove; 5. a magnetic cylinder; 6. a bump; 7. mounting a rod; 8. a fan blade; 9. a magnetic strip; 10. supporting beads; 11. a positioning ring; 12. a limiting block; 13. a seal ring; 14. and (4) fixing sleeves.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

Referring to fig. 1-4, the present invention provides a technical solution: a flow meter with an anti-cavitation function comprises a shell 1, a fixing ring 2, a meter 3, a limiting groove 4, a magnetic cylinder 5, a convex block 6, a mounting rod 7, a fan blade 8, a magnetic stripe 9, a supporting bead 10, a positioning ring 11, a limiting block 12, a sealing ring 13 and a fixing sleeve 14, wherein the fixing ring 2 is welded and fixed at the left end and the right end of the shell 1, the meter 3 is mounted at the upper end of the middle part of the shell 1, the limiting groove 4 is reserved on the inner wall of the shell 1, the magnetic cylinder 5 penetrates through the shell 1, the convex block 6 is integrally arranged on the outer surface of the magnetic cylinder 5, the mounting rod 7 is arranged at the middle part of the magnetic cylinder 5, the fan blade 8 is fixed on the outer surface of the mounting rod 7, the magnetic stripe 9 is welded and fixed at the outer end of the fan blade 8, the supporting bead 10 is embedded at the left end and the right end of the magnetic cylinder 5, a fixed sleeve 14 is attached to one side of the positioning ring 11 away from the magnetic stripe 9;

as shown in fig. 1 and 2, the convex blocks 6 on the magnetic cylinder 5 are arranged in one-to-one correspondence with the limiting grooves 4, the convex blocks 6 are connected with the limiting grooves 4 in a clamping manner, the outer diameter of the magnetic cylinder 5 is equal to the inner diameter of the shell 1, damage to the inner wall of the shell 1 is avoided, the outer surface of the magnetic stripe 9 is attached to the inner wall of the magnetic cylinder 5, the supporting beads 10 on the magnetic stripe 9 are attached to the inner side surface of the positioning ring 11, resistance between the magnetic stripe 9 and the positioning ring 11 is reduced, the length of the magnetic stripe 9 is equal to that of the magnetic cylinder 5, the magnetic stripe 9 is distributed at equal angles relative to the central axis of the mounting rod 7, the central axis of the mounting rod 7 is mutually matched with the central axis of the magnetic cylinder 5, and;

as shown in fig. 3 and 4, the positioning ring 11 is connected with the housing 1 in a clamping manner, and the sealing rings 13 are fixedly adhered to the left side and the right side of the positioning ring 11, so that the contact position of the positioning ring 11 with the fixing sleeve 14 and the magnetic cylinder 5 is ensured to be airtight, as shown in fig. 11, the positioning ring 11 is clamped between the fixing sleeve 14 and the magnetic cylinder 5, and the fixing sleeve 14 is connected with the housing 1 in a threaded manner, so that the positioning ring 11 and the magnetic cylinder 5 can be conveniently detached and replaced.

The working principle is as follows: when the flow meter with the cavitation erosion prevention function is used, firstly, the magnetic cylinder 5 is installed in the shell 1 through the clamping between the convex blocks 6, then the installation rod 7 is placed in the middle of the magnetic cylinder 5, the positioning ring 11 is clamped in the shell 1 through the action of the limiting block 12, then the fixing sleeve 14 is connected with the shell 1 through the screw thread, the positions of the magnetic cylinder 5 and the positioning ring 11 are fixed, the compactness of the joint positions of the positioning ring 11, the fixing sleeve 14 and the magnetic cylinder 5 can be effectively ensured through the sealing rings 13 on the two sides of the positioning ring 11, the phenomenon that fluid damages the inner wall of the shell 1 is avoided, the fan blade 8 drives the magnetic strip 9 to rotate through the impact of the fluid on the fan blade 8, the problem that sundries in the fluid are damaged when the magnetic cylinder 5 is attached inside is avoided, and meanwhile, the friction between the magnetic strip 9 and the positioning ring 11 can be effectively reduced through the rotation of the supporting beads 10, the stability of the magnetic strip 9 rotating along with the fan blade 8 is ensured, and the flow meter with the cavitation erosion prevention function is used.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connected mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt among the prior art, and conventional model, including the conventional connected mode among the circuit connection adoption prior art, and the details are not repeated here, and the content that does not make detailed description in this description belongs to the prior art that skilled person in the art knows.

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. A flow instrument with an anti-cavitation function comprises a shell (1), a meter (3) and a magnetic cylinder (5), and is characterized in that: the left end and the right end of the shell (1) are respectively fixedly welded with a fixing ring (2), the upper end of the middle part of the shell (1) is provided with a meter (3), the inner wall of the shell (1) is reserved with a limit groove (4), a magnetic cylinder (5) penetrates through the shell (1), a lug (6) is integrally arranged on the outer surface of the magnetic cylinder (5), and the middle part of the magnetic cylinder (5) is provided with a mounting rod (7), the outer surface of the mounting rod (7) is fixed with a fan blade (8), the outer end of the fan blade (8) is welded and fixed with a magnetic strip (9), the left end and the right end of the magnetic cylinder (5) are both embedded with supporting beads (10), positioning rings (11) are respectively arranged at the left side and the right side of the magnetic cylinder (5), the outer surfaces of the positioning rings (11) are integrally provided with limiting blocks (12), and one side of the positioning ring (11) far away from the magnetic strip (9) is provided with a fixed sleeve (14) in an attaching way.

2. A flow meter having an anti-cavitation function according to claim 1, characterized in that: the magnetic cylinder is characterized in that the convex blocks (6) on the magnetic cylinder (5) are in one-to-one correspondence with the limiting grooves (4), the convex blocks (6) are connected with the limiting grooves (4) in a clamping mode, and the outer diameter of the magnetic cylinder (5) is equal to the inner diameter of the shell (1).

3. A flow meter having an anti-cavitation function according to claim 1, characterized in that: the outer surface of the magnetic stripe (9) is attached to the inner wall of the magnetic cylinder (5), and the supporting beads (10) on the magnetic stripe (9) are attached to the inner side surface of the positioning ring (11).

4. A flow meter having an anti-cavitation function according to claim 1, characterized in that: the length dimension of magnetic stripe (9) equals with the length dimension of a magnetism section of thick bamboo (5), and magnetic stripe (9) are the angular distribution such as about the axis of installation pole (7) to the axis of installation pole (7) and the axis of a magnetism section of thick bamboo (5) are each other.

5. A flow meter having an anti-cavitation function according to claim 1, characterized in that: holding ring (11) are connected with shell (1) block, and all paste and be fixed with sealing washer (13) the left and right sides of holding ring (11).

6. A flow meter having an anti-cavitation function according to claim 1, characterized in that: the positioning ring (11) is clamped between the fixing sleeve (14) and the magnetic cylinder (5), and the fixing sleeve (14) is in threaded connection with the shell (1).