Anti-blocking turbine flowmeter

Abstract

The anti-blocking turbine flowmeter comprises a middle pipe and a flow detector installed on the middle pipe, connecting flanges are fixedly connected to the left side and the right side of the middle pipe, a detachable anti-blocking assembly is arranged on the connecting flange on the left side, and a left flow guide fixing seat and a right flow guide fixing seat are fixedly connected to the inner surface of the middle pipe. A turbine assembly is arranged between the two flow guide fixing bases, and automatic lubricating assemblies are arranged in the flow guide fixing bases and the turbine assembly. The turbine assembly comprises a fixing shaft, a bearing, a turbine, a left end cover and a right end cover, and the two end covers are fixed to the left side and the right side of the turbine respectively. According to the anti-blocking turbine flow meter, when a turbine rotates, lubricating is conducted through lubricating oil full of the lubricating cavity, so that the abrasion degree is greatly reduced, meanwhile, oil is automatically supplemented into the lubricating cavity through cooperation of a reset spring and a push plate in the automatic lubricating assembly, and therefore the practicability of the device in the using process is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to turbine flowmeter technical field, concretely is a kind of anti-clogging turbine flowmeter. BACKGROUND

[0002] Turbine flowmeter is the main kind in velocity type flowmeter, when the fluid to be measured flows through turbine flowmeter sensor, under the action of fluid, impeller is forced to rotate, its rotational speed is proportional to the average flow velocity of pipeline, simultaneously, blade periodically cuts the magnetic force line generated by electromagnet, changes the magnetic flux of coil, according to electromagnetic induction principle, pulsating potential signal, i.e. electric pulse signal will be induced in coil, the frequency of this electric pulsation signal is proportional to the flow of measured fluid.

[0003] Reference patent announcement No. "CN218885043U" discloses a kind of anti-clogging turbine flowmeter, including first connecting pipe, detection pipe, flow detection instrument, turbine, the two ends of detection pipe are symmetrically connected with first connecting pipe, flow detection instrument is connected on the lateral wall of detection pipe, the inner cavity of detection pipe movably is provided with turbine adapted thereto.

[0004] As shown in the above technology, the existing worm gear flowmeter is measured by the cooperation of the rotation of turbine and flow detection instrument when in use, turbine is always in rotating state when working, under the rotation of long time, abrasion occurs, cause the rotation of worm gear becomes unstable, in turn lead to the deviation of measurement result. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of prior art, the utility model provides a kind of anti-clogging turbine flowmeter, solve the problem that turbine rotating part occurs greater abrasion after long time work of existing anti-clogging turbine measurement meter.

[0006] To achieve the above object, the utility model is realized by the following technical scheme: a kind of anti-clogging turbine flowmeter including intermediate pipe and flow detection instrument installed on intermediate pipe, the left and right sides of intermediate pipe are all fixedly connected with connecting flange, and the left connecting flange is provided with detachable anti-clogging component, the inner surface of intermediate pipe is fixedly connected with left and right two flow guide fixed seat, and the two flow guide fixed seat are provided with turbine component between, the inside of flow guide fixed seat and turbine component is provided with automatic lubricating component;

[0007] The turbine component includes fixed shaft, bearing, turbine and left and right two end covers, two the end covers are respectively fixed at the left and right sides of turbine, then form lubricating cavity in the inside of turbine, the automatic lubricating component includes push plate and return spring, push plate is moved under the action of return spring to carry out oil supplementing to the inside of lubricating cavity.

[0008] Preferably, the fixed shaft is fixed between the left and right two flow guide fixed bases, the bearing is installed on the surface of the fixed shaft in an interference fit mode, the turbine is fixed outside the bearing, and the lubricating oil filled in the lubricating cavity lubricates the bearing.

[0009] Preferably, the automatic lubricating assembly further comprises a sliding groove formed in the flow guide fixed base, the inner surface of the fixed shaft is slidably connected with a push plate, the surface of the push plate is provided with a sealing ring, the inside of the fixed shaft is provided with an oil feeding cavity, and the surface of the fixed shaft is provided with two oil outlets in communication with the oil feeding cavity; the inside of the lubricating cavity and the sliding groove and the space in front of the push plate are all filled with lubricating oil, and the oil outlet of the two oil outlets is provided with a one-way membrane flap.

[0010] Preferably, equidistant limiting sliding grooves are formed in the inner surface of the sliding groove, and a plurality of sliding blocks matched with the limiting sliding grooves are fixedly connected to the surface of the push plate; the push plate cannot be completely pushed out of the sliding groove, and a reserved space is formed in front of the push plate, the surface of the flow guide fixed base is fixedly connected with an oil filler nozzle, and the oil filler nozzle is in communication with the reserved space.

[0011] Preferably, the detachable anti-blocking assembly comprises an annular groove and a filter plate formed on the end surface of the left connecting flange, a plurality of L-shaped grooves are equidistantly formed on the end surface of the connecting flange, the L-shaped grooves are in communication with the annular groove, and the curved portions of the L-shaped grooves are located in the connecting flange.

[0012] Preferably, a plurality of limiting blocks are fixedly connected to the surface of the filter plate, and protrusions are fixedly connected to the side surfaces of the limiting blocks; when the filter plate is installed, the limiting blocks enter the L-shaped grooves and are rotated to install the filter plate.

[0013] Beneficial effects

[0014] The utility model provides a kind of anti-clogging turbine flowmeter.Compared with prior art, it has the following beneficial effects:

[0015] 1, the anti-clogging turbine flowmeter, through automatic lubricating assembly further comprising the sliding groove formed in the flow guide fixed base, and the inner surface of the fixed shaft is slidably connected with push plate, and the surface of push plate is provided with sealing ring, the inside of fixed shaft is provided with oil feeding cavity, when turbine rotates, the lubricating oil filled in the lubricating cavity lubricates the bearing, to greatly reduce the degree of wear, simultaneously, the automatic lubricating assembly is cooperated with the push plate in reset spring, and the lubricating cavity is automatically replenished, to improve the practicality when device is used.

[0016] 2. The anti-blocking turbine flowmeter, through the detachable anti-blocking assembly, comprises an annular groove and a filter plate provided on the left side of the connecting flange end face, the end face of the connecting flange is provided with a plurality of L-shaped grooves at equal intervals, the L-shaped grooves and the annular groove are in communication, the filter plate is arranged at the inlet of the flowmeter for filtering, thereby preventing blocking, and the filter plate can be quickly removed from the turbine flowmeter, thereby improving the convenience of use of the device. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a schematic view of the appearance of the utility model;

[0018] Figure 2 It is an exploded view of the detachable anti-blocking assembly of the utility model;

[0019] Figure 3 It is a schematic view of the flow guide fixing seat and the turbine assembly of the utility model;

[0020] Figure 4 It is an exploded view of the automatic lubricating assembly of the utility model;

[0021] Figure 5 It is an exploded view of the turbine assembly of the utility model;

[0022] Figure 6 It is a sectional view of the turbine assembly of the utility model.

[0023] In the figure: 1, intermediate pipe; 2, flow detection instrument; 3, connecting flange; 4, flow guide fixing seat; 5, turbine assembly; 51, fixed shaft; 52, bearing; 53, turbine; 54, end cover; 6, automatic lubricating assembly; 61, sliding groove; 62, push plate; 63, return spring; 64, sealing ring; 65, oil feeding cavity; 66, oil outlet; 67, one-way membrane flap; 68, oil filler neck; 7, detachable anti-blocking assembly; 71, annular groove; 72, filter plate; 73, L-shaped groove; 74, limiting block; 75, protruding block. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0025] Please refer to Figures 1-6 The anti-blocking turbine flowmeter provides two technical solutions:

[0026] The first embodiment comprises an intermediate pipe 1 and a flow detector 2 installed on the intermediate pipe 1, and the left and right sides of the intermediate pipe 1 are fixedly connected with connecting flanges 3, the left connecting flange 3 is provided with a detachable anti-blocking assembly 7, the inner surface of the intermediate pipe 1 is fixedly connected with two flow guide fixed seats 4, and a turbine assembly 5 is arranged between the two flow guide fixed seats 4, and the inside of the flow guide fixed seat 4 and the turbine assembly 5 is provided with an automatic lubricating assembly 6;

[0027] The turbine assembly 5 comprises a fixed shaft 51, a bearing 52, a turbine 53 and two end covers 54, the two end covers 54 are fixed on the left and right sides of the turbine 53, respectively, so that a lubricating cavity is formed in the inside of the turbine 53, and the automatic lubricating assembly 6 comprises a push plate 62 and a return spring 63, the push plate 62 is moved under the action of the return spring 63 to supplement oil in the inside of the lubricating cavity.

[0028] The fixed shaft 51 is fixed between the two flow guide fixed seats 4, the bearing 52 is installed on the surface of the fixed shaft 51 in an interference fit manner, the turbine 53 is fixed on the outside of the bearing 52, and the lubricating oil filled in the lubricating cavity lubricates the bearing 52.

[0029] The automatic lubricating assembly 6 further comprises a sliding groove 61 opened in the flow guide fixed seat 4, the inner surface of the fixed shaft 51 is slidably connected with the push plate 62, the surface of the push plate 62 is provided with a sealing ring 64, the inside of the fixed shaft 51 is provided with an oil feeding cavity 65, the surface of the fixed shaft 51 is provided with two oil outlets 66 in communication with the oil feeding cavity 65, the inside of the lubricating cavity, the sliding groove 61 and the space in front of the push plate 62 are all filled with lubricating oil, the oil outlets of the two oil outlets 66 are both provided with one-way membrane valves 67, a plurality of limiting sliding grooves are equidistantly opened in the inner surface of the sliding groove 61, and a plurality of sliding blocks matched with the limiting sliding grooves are equidistantly fixedly connected with the surface of the push plate 62, so that the push plate 62 cannot be completely pushed out of the sliding groove 61, and a reserved space is formed in front of the push plate 62, the surface of the flow guide fixed seat 4 is fixedly connected with an oil filler 68, and the oil filler 68 is in communication with the reserved space.

[0030] When the turbine 53 rotates, the bearing 52 is lubricated by the lubricating oil filled in the lubricating cavity, so that the degree of wear is greatly reduced, and the automatic lubricating assembly 6 is used to automatically supplement oil in the lubricating cavity through the cooperation of the return spring 63 and the push plate 62, so that the practicability of the device during use is improved,

[0031] The second embodiment, the main difference with the first embodiment is that: detachable anti-blocking assembly 7 including opening in the left side of the flange 3 end surface annular groove 71 and filter plate 72, the end surface of the flange 3 equidistantly provided with a plurality of L-shaped groove 73, and L-shaped groove 73 and annular groove 71 keep the relationship of communication, L-shaped groove 73 of the curved portion is in the inside of the flange 3, the surface of the filter plate 72 equidistantly fixedly connected with a plurality of limit block 74, and the side of the limit block 74 is fixedly connected with the lug, when installing the filter plate 72, the limit block 74 enters into the L-shaped groove 73 and rotates to install the filter plate 72.

[0032] The filter plate 52 is arranged at the inlet of the flowmeter to filter, so that the blockage is prevented, and the filter plate 52 can be quickly removed from the turbine flowmeter, and the convenience of the device in use is improved.

[0033] Before use, the lubricating oil is filled into the oil feeding cavity 65 through the oil filler 68, the lubricating oil enters the lubricating cavity from the oil outlet 66, and the filling is stopped when the lubricating cavity is filled with lubricating oil, so that the bearing 52 is lubricated by the lubricating oil when the turbine 53 rotates, and when the lubricating oil in the lubricating cavity is consumed, the push plate 62 is moved by the action of the return spring 63, so that the lubricating oil in the oil feeding cavity 65 is pushed into the lubricating cavity to supplement, after the oil filling is completed, the filter plate 72 is aligned with the annular groove 71, and the limit block 74 enters the L-shaped groove 73, the filter plate 72 is rotated and fixed by the action of the lug 75, and at this time, the turbine flowmeter can be put into use.

[0034] It should be noted that, in the present text, relational terms such as first and second and the like can only be used to distinguish one entity or operation from another entity or operation, without necessarily requiring or implying any such actual relationship or order between these entities or operations. Moreover, the terms "comprising", "containing" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such a process, method, article or apparatus.

[0035] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A clog-proof turbine flowmeter comprising a middle pipe (1) and a flow detector (2) installed on the middle pipe (1), characterized in that: Both left and right sides of the intermediate pipe (1) are fixedly connected with connecting flanges (3), the left connecting flange (3) is provided with a detachable anti-blocking assembly (7), the inner surface of the intermediate pipe (1) is fixedly connected with two left and right flow guide fixed bases (4), and a turbine assembly (5) is arranged between the two flow guide fixed bases (4), and the inside of the flow guide fixed base (4) and the turbine assembly (5) is provided with an automatic lubricating assembly (6). The turbine assembly (5) comprises a fixed shaft (51), a bearing (52), a turbine (53) and two left and right end covers (54), the two end covers (54) are respectively fixed on the left and right sides of the turbine (53), and a lubricating cavity is formed in the inside of the turbine (53), the automatic lubricating assembly (6) comprises a push plate (62) and a return spring (63), the push plate (62) is pushed to move under the action of the return spring (63) to supplement oil in the inside of the lubricating cavity.

2. A non-clogging turbine flowmeter according to claim 1 wherein: The automatic lubricating assembly (6) further comprises a sliding groove (61) formed in the inside of the flow guide fixed base (4), the inner surface of the fixed shaft (51) is slidably connected with the push plate (62), and the surface of the push plate (62) is provided with a sealing ring (64), the inside of the fixed shaft (51) is provided with an oil feeding cavity (65), the surface of the fixed shaft (51) is provided with two left and right oil outlets (66) in communication with the oil feeding cavity (65), the inside of the lubricating cavity, the sliding groove (61) and the space in front of the push plate (62) are all filled with lubricating oil, and the oil outlet of the two oil outlets (66) is provided with a one-way membrane flap (67).

3. A non-clogging turbine flowmeter according to claim 2 wherein: The inner surface of the sliding groove (61) is equidistantly provided with a plurality of limiting sliding grooves, and the surface of the push plate (62) is equidistantly fixedly connected with a plurality of sliding blocks matched with the limiting sliding grooves, so that the push plate (62) cannot be completely pushed out of the sliding groove (61), and a reserved space is formed in front of the push plate (62), the surface of the flow guide fixed base (4) is fixedly connected with an oil filler nozzle (68), and the oil filler nozzle (68) is in communication with the reserved space.

4. The anti-clogging turbine flowmeter of claim 1 wherein: The fixed shaft (51) is fixed between the two flow guide fixed bases (4), the bearing (52) is installed on the surface of the fixed shaft (51) in an interference fit manner, and the turbine (53) is fixed outside the bearing (52), and the lubricating oil filled in the lubricating cavity lubricates the bearing (52).

5. The anti-clogging turbine flowmeter of claim 1 wherein: The detachable anti-blocking assembly (7) comprises an annular groove (71) formed on the end surface of the left connecting flange (3) and a filter plate (72), the end surface of the connecting flange (3) is equidistantly provided with a plurality of L-shaped grooves (73), the L-shaped grooves (73) are in communication with the annular groove (71), and the curved part of the L-shaped groove (73) is in the inside of the connecting flange (3).

6. A non-clogging turbine flowmeter according to claim 5 wherein: The surface of the filter plate (72) is equidistantly fixedly connected with a plurality of limiting blocks (74), and the side surface of the limiting block (74) is fixedly connected with a protruding block, when the filter plate (72) is installed, the limiting block (74) enters the L-shaped groove (73) and rotates to install the filter plate (72).

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