Nozzle baffle for intelligent positioner

Abstract

The utility model relates to the technical field of intelligent valve positioners, in particular to a nozzle baffle for an intelligent positioner, which comprises a base, two magnetic conductive plates are symmetrically arranged in the base, the magnetic conductive plates are connected with an electromagnetic coil through magnetic conductive columns, a magnetic conductive sheet is arranged in the middle of a gap between the two magnetic conductive plates, and a gap is arranged between the magnetic conductive sheet and a permanent magnet on the base. One side of the magnetic conductive sheet is sequentially connected with a spring piece and a baffle, the spring piece is detachably connected with the base 1, the two sides of the baffle abut against the groove wall in the base through springs respectively, the baffle is perpendicular to a nozzle in threaded connection with the interior of the base, and a gap is formed between the air outlet end of the nozzle and the baffle. The baffle is connected and arranged between the two magnetic conductive plates through the magnetic conductive sheets, a baffle balance structure is formed through spring positioning, stability and linearity are greatly improved, and the air injection amount of the nozzle is stably adjusted. The utility model has the advantages of small volume, simplicity in processing and easiness in manufacturing.

Description

TECHNICAL FIELD

[0001] The utility model belongs to intelligent valve positioner technical field, especially relates to a nozzle baffle for intelligent positioner. BACKGROUND

[0002] The intelligent positioner is the main accessory of the pneumatic regulating valve, and the nozzle baffle type positioner occupies a place in industrial automation. The type positioner is internally provided with a nozzle, a baffle and an electromagnetic coil, different current values are given to the coil, the distance between the nozzle and the baffle is changed, the pressure in front of the nozzle is controlled, analog quantity control of the amplifier component in the positioner is realized, and finally continuous position adjustment of various pneumatic actuators is realized.

[0003] The existing patent CN218719176U discloses a nozzle baffle for intelligent valve positioner, which comprises a first soft magnetic material, the first soft magnetic material is fixedly connected with a second soft magnetic material on one side, a nozzle support is fixedly connected to the top of the first soft magnetic material, a nozzle head is screwed in the nozzle support, the nozzle head and the second soft magnetic material are connected through a baffle assembly, and a gas inlet pipeline is fixedly connected to one side of the nozzle support and communicates with the inside of the nozzle support. The gas amount sprayed at the nozzle can be controlled more easily, and vibration is obviously reduced. However, the device has large processing difficulty, assembly and debugging are difficult, and batch production consistency is poor. SUMMARY

[0004] The utility model wants to solve the technical problem that provides a nozzle baffle for intelligent positioner, and the jet amount and pressure of nozzle are stably adjusted, the volume is small, processing is simple, and easy to assemble.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A nozzle baffle for intelligent positioner, comprising a base, two magnetic conductive plates are symmetrically arranged in the base, the magnetic conductive plates are connected with an electromagnetic coil through magnetic conductive columns, a magnetic conductive sheet is arranged in the interval between the two magnetic conductive plates, a gap is arranged between the magnetic conductive sheet and a permanent magnet on the base, a spring sheet and a baffle are sequentially connected to one side of the magnetic conductive sheet, the spring sheet is detachably connected with the base, the baffle is top-connected with the groove wall in the base through springs on both sides, the baffle is vertically arranged with the nozzle screwed in the base, and a gap is arranged between the gas outlet end of the nozzle and the baffle.

[0007] The magnetic conductive sheet is symmetrically arranged, the magnetic conductive sheet is made of soft magnetic material, and a bending part is arranged on the magnetic conductive sheet.

[0008] The magnetic conductive sheet is vertically arranged with the magnetic conductive plate, and the distance between the magnetic conductive sheet and the two magnetic conductive plates is consistent.

[0009] The magnetic conductive sheet, the spring sheet and the baffle are connected through screws.

[0010] The spring sheet and the base are detachably connected through connecting bolts.

[0011] The air inlet hole of the nozzle is in communication with the air path of the air inlet connector connected to the base in the circumferential direction.

[0012] The two ends of the spring are positioned through positioning screw pins and positioning screws respectively.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The baffle is connected between the two magnetic conducting plates through the magnetic conducting sheet, and the baffle balance structure is formed through the spring positioning, so that the stability and linearity are greatly improved, and the air injection amount of the nozzle is stably adjusted. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a perspective view of the utility model.

[0016] Figure 2 It is a front view of the utility model.

[0017] Figure 3 It is a top view of the utility model.

[0018] Figure 4 It is Figure 3 It is a sectional view along A-A direction.

[0019] Figure 5 It is a rear view of the utility model. DETAILED DESCRIPTION

[0020] In the description of the utility model, it is understood that the terms "first", "second" and the like are only used for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features with "first", "second" and the like can be explicitly or implicitly included one or more features. In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0021] Unless otherwise specified and limited, the terms "mounting", "connection" and "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integral connection; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood through specific circumstances.

[0022] For example, Figures 1-5The utility model provides a nozzle baffle for intelligent positioner, including base 1, two magnetic conductive plates 2 are symmetrically arranged in base 1, magnetic conductive plate 2 is connected with electromagnetic coil 4 through magnetic conductive column 3, and the interval between two magnetic conductive plates 2 is provided with magnetic conductive sheet 5, and the gap between magnetic conductive sheet 5 and permanent magnet 6 on base 1 is provided, one side of magnetic conductive sheet 5 is connected spring sheet 7 and baffle 8 in proper order, spring sheet 7 is detachably connected with base 1, and the both sides of baffle 8 are respectively contacted with the top of slot wall in base through spring 9, baffle 8 is vertically arranged with the nozzle 10 of screwing in base 1, and the interval between the gas outlet end of nozzle 10 and baffle 8 is provided.

[0023] Magnetic conductive sheet 5 is symmetrically arranged, and magnetic conductive sheet 5 is made of soft magnetic material, and the bending part 13 is arranged on magnetic conductive sheet 5.

[0024] Magnetic conductive sheet 5 is vertically arranged with magnetic conductive plate 2, and the distance between magnetic conductive sheet 7 and two magnetic conductive plates 2 is consistent.

[0025] Magnetic conductive sheet 5, spring sheet 7 and baffle 8 are connected through screw.

[0026] Spring sheet 7 is detachably connected with base 1 through connecting bolt 11.

[0027] The circumference of nozzle 10 is provided with gas inlet hole 16, and the gas path of gas inlet connector 12 connected on base 1 is communicated.

[0028] The both ends of spring 9 are positioned through positioning screw bolt 15 and positioning screw 14 respectively.

[0029] Working process:

[0030] Magnetic conductive column and magnetic conductive plate are magnetized into the same magnetic pole by permanent magnet, and the magnetic force of each component is generated by the magnetic field effect of permanent magnet at this time, when electromagnetic coil is electrified, electromagnetic coil will generate S and N two magnetic poles, and the two magnetic poles will break the original magnetic field structure, the same magnetic pole magnetic field intensity will be enhanced, and the different magnetic pole magnetic field intensity will be weakened, finally leading to the two forces of magnetic conductive plate attracting magnetic conductive sheet to enhance one and reduce one, leading to the deviation of magnetic conductive sheet, finally making the distance between baffle and nozzle deviate, when different current is input in electromagnetic coil, the magnetic field will produce corresponding change, so as to change the distance between nozzle and baffle, and change the gas jet amount of nozzle.

[0031] In order to make the purpose, technical scheme and technical effect of the utility model more clear, the technical scheme in the embodiment of the utility model is clearly and completely described now.But the following described embodiment is only a part of the embodiment of the utility model, not all the embodiment.Combined with the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the scope of the utility model protection.

[0032] Embodiment 1:

[0033] A nozzle baffle for intelligent positioner, comprising a base 1, two magnetic conductive plates 2 are symmetrically arranged in the base 1, the magnetic conductive plates 2 are connected with an electromagnetic coil 4 through a magnetic conductive column 3, a magnetic conductive sheet 5 is arranged in the interval between the two magnetic conductive plates 2, the magnetic conductive sheet 5 is symmetrically arranged, the magnetic conductive sheet 5 is made of soft magnetic material, and a 90° bending part 13 is arranged on the magnetic conductive sheet 5.

[0034] The baffle 8 is vertically arranged with a nozzle 10 which is screwed in the base 1, the nozzle 10 is screwed with the base 1, and a gas inlet hole 16 is arranged on the circumference of the nozzle 10 and is in communication with a gas inlet connector 12 connected to the base 1.

[0035] Embodiment 2:

[0036] A nozzle baffle for intelligent positioner, comprising a base 1, two magnetic conductive plates 2 are symmetrically arranged in the base 1, the magnetic conductive plates 2 are connected with an electromagnetic coil 4 through a magnetic conductive column 3, a magnetic conductive sheet 5 is arranged in the interval between the two magnetic conductive plates 2, the magnetic conductive sheet 5 is symmetrically arranged, the magnetic conductive sheet 5 is made of soft magnetic material, and a 90° bending part 13 is arranged on the magnetic conductive sheet 5.

[0037] The baffle 8 is vertically arranged with a nozzle 10 which is screwed in the base 1, the nozzle 10 is screwed with the base 1, and a gas inlet hole 16 is arranged on the circumference of the nozzle 10 and is in communication with a gas inlet connector 12 connected to the base 1.

[0038] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and essential characteristics of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A nozzle baffle for an intelligent positioner, characterized by, The base is internally provided with two symmetrical magnetic conducting plates connected with an electromagnetic coil through a magnetic conducting column, a magnetic conducting sheet is arranged in the interval between the two magnetic conducting plates, a gap is arranged between the magnetic conducting sheet and a permanent magnet on the base, a spring sheet and a baffle are sequentially connected to one side of the magnetic conducting sheet, the spring sheet is detachably connected with the base, the baffle is respectively abutted on the groove wall in the base through springs on two sides, the baffle is perpendicularly arranged with a nozzle screwed in the base, and a gap is arranged between the gas outlet of the nozzle and the baffle.

2. A nozzle baffle for an intelligent positioner according to claim 1, wherein The magnetic conducting sheet is symmetrically arranged and is made of soft magnetic material, and a bending part is arranged on the magnetic conducting sheet.

3. A nozzle baffle for an intelligent positioner according to claim 1, wherein The magnetic conducting sheet is perpendicularly arranged with the magnetic conducting plates, and the distance between the magnetic conducting sheet and the two magnetic conducting plates is consistent.

4. A nozzle baffle for an intelligent positioner according to claim 1, wherein The magnetic conducting sheet, the spring sheet and the baffle are connected through screws.

5. A nozzle baffle for an intelligent positioner according to claim 1, wherein The spring sheet is detachably connected with the base through connecting bolts.

6. A nozzle baffle for an intelligent positioner according to claim 1, wherein The nozzle is provided with an air inlet hole in the circumferential direction, and the air inlet hole is in communication with the air path of the air inlet connector connected to the base.

7. A nozzle baffle for an intelligent positioner according to claim 1, wherein The two ends of the spring are respectively positioned through a positioning screw pin and a positioning screw.

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