CN211904281U - Flowmeter convenient to disassemble and assemble - Google Patents

Abstract

The utility model provides a flowmeter of convenient dismouting, include the measuring catheter, overflow pipe and flowmeter body, the connecting portion that overflows the pipe wear to locate in the measuring catheter, the input of flowmeter body is connected on the measuring catheter, the measuring catheter still is connected through chucking mechanism with overflowing between the pipe, the utility model discloses novel structure, it is convenient to use, can utilize the measuring catheter and overflow chucking mechanism between the pipe, realizes quick installation and the dismantlement to the flowmeter, and operation is simple, saves the dismantlement and the installation time of flowmeter, simultaneously, utilizes the sealed rubber ring that overflows pipe and measuring pipe to ensure the leakproofness of device, makes its intraductal fluid when using can not take place to leak, has better practicality.

Description

Flowmeter convenient to disassemble and assemble

Technical Field

The utility model relates to a fluid measurement technical field especially relates to a flowmeter of convenient dismouting.

Background

The flow measurement is one of the components of the measurement science and technology, has close relation with national economy, national defense construction and scientific research, and particularly has more obvious status and effect in the national economy and scientific and technological development in the current times that the energy crisis and the industrial production automation degree are higher and higher. The flowmeter is a common flow measuring instrument, which is widely applied to the fields of metallurgy, electric power, coal, chemical industry, petroleum, traffic, building, light textile, food, medicine, agriculture, environmental protection and the like, and plays an important role, the flowmeter is mainly used for measuring the flow of fluid in a pipeline or an open channel in a selected time interval, but due to the complexity and diversity of the using environment of the flowmeter, the using requirement is more rigorous, so more and more technologies about the flowmeter are developed, for example, the application date is 2017.08.31, the publication number is CN107402049A, in Chinese patent named as "flowmeter convenient to disassemble and assemble", a flowmeter convenient to disassemble is also disclosed, but in the actual using process of the above-mentioned patent, the assembling and disassembling process is troublesome, the sealing performance of the device is poor, and the fluid in the using process is easy to leak, therefore, the practicability is not strong.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main objective is to solve the problem that exists among the prior art, provides a simple and practical, can be according to the in-service use condition for the installation of flowmeter with dismantle convenient and fast more, effectual installation and the takedown time of saving, and adopt multiple seal structure to seal, make its flowmeter that has the convenient dismouting of good leakproofness and stronger practicality.

In order to solve the technical problem, the utility model discloses a technical scheme is: the flow meter comprises a measuring guide pipe, a flow-passing guide pipe and a flow meter body, wherein a connecting part of the flow-passing guide pipe is arranged in the measuring guide pipe in a penetrating mode, the input end of the flow meter body is connected to the measuring guide pipe, and the measuring guide pipe and the flow-passing guide pipe are connected through a clamping mechanism.

Further, the chucking mechanism includes handle, connecting rod, spring, chucking piece and chucking rack, the handle articulates in the top of connecting rod, and the articulated position between them forms the hinge point, the connecting rod slides and wears to locate on the pipe wall of measuring pipe, and this connecting rod bottom is connected on the roof of chucking piece, the holding chamber has been seted up on the inner wall of measuring pipe, on the connecting rod was located to the spring housing, its top was connected on the inner wall in holding chamber, and its end-to-end connection is on the roof of chucking piece, the chucking piece cooperatees and slides and set up in the holding intracavity, and the structure of this chucking piece cooperatees with the structure of chucking rack, chucking rack connection is on overflowing the pipe.

Further, the clamping mechanisms are arranged in multiple groups.

Furthermore, a plurality of groups of sliding grooves are formed in the inner wall of the connecting part of the measuring guide pipe, and the clamping racks are matched and slidably arranged in the sliding grooves.

Furthermore, the clamping rack and the clamping block are provided with a unidirectional tooth socket in a matching way.

Further, the output part of the handle is provided with a first contact point and a second contact point, and the distance from the first contact point to the hinge point is larger than the distance from the second contact point to the hinge point.

Furthermore, the connecting part of the overflowing guide pipe is in a round table shape with the diameter of the outer wall gradually reduced.

Further, the structure of the connecting part of the measuring conduit is matched with the structure of the connecting part of the overflowing conduit.

Furthermore, a plurality of groups of grooves are formed in the outer wall of the connecting part of the overflowing guide pipe.

Furthermore, a group of sealing rubber rings is sleeved in each group of grooves in a matched manner.

Further, a perforated plate is arranged in the measuring conduit in a direction perpendicular to the axis.

Furthermore, the inner walls of the measuring conduit and the overflowing conduit are respectively coated with a protective layer.

The utility model has the advantages and positive effects that: the utility model has simple structure, convenient and fast use, can realize fast mounting and dismounting of the flowmeter by utilizing a plurality of groups of clamping mechanisms between the measuring guide pipe and the overflowing guide pipe, has simple working procedures and convenient operation, and shortens the mounting and dismounting time of the flowmeter; meanwhile, a multiple sealing structure is arranged between the overflowing guide pipe and the measuring guide pipe, so that the connection tightness is ensured, the fluid in the device cannot leak in the using process, and the device has strong practicability.

Drawings

Fig. 1 is a front view and a partial sectional view of the present invention.

Fig. 2 is a left side view of the present invention.

Fig. 3 is a schematic view of the closed state of the clamping mechanism of the present invention.

Fig. 4 is a schematic view of the open state of the clamping mechanism of the present invention.

Fig. 5 is a schematic view of the positions of the first and second contact points on the handle.

FIG. 6 is a schematic view of the connection of a metering conduit connection to a flow conduit connection.

Fig. 7 is a schematic structural view of the inner porous plate of the present invention.

In the figure: the flowmeter comprises a measuring guide pipe 1, an overflowing guide pipe 2, a flowmeter body 3, a clamping mechanism 4, a handle 41, a first contact point 411, a second contact point 422, a connecting rod 42, a spring 43, a clamping block 44, a clamping rack 45, a sliding groove 5, a groove 6, a sealing rubber ring 7 and a porous plate 8.

Detailed Description

For a better understanding of the present invention, the following further description is given in conjunction with the following embodiments and accompanying drawings.

As shown in fig. 1-7, a flowmeter of convenient dismouting, including measuring catheter 1, overflow pipe 2 and flowmeter body 3, the connecting portion that overflows pipe 2 wear to locate in measuring catheter 1, the input of flowmeter body 3 is connected on measuring catheter 1, still be connected through chucking mechanism 4 between measuring catheter 1 and the overflow pipe 2, when to the device internal fluid flow measurement, through utilizing chucking mechanism 4, make the dismantlement and the installation between measuring catheter 1 and the overflow pipe 2 more simple and convenient, the required time of flowmeter dismouting has been shortened, and then work efficiency has been improved.

Specifically, the flowmeter body 3 is a structure in the prior art in the field, and is not improved in the present application, and therefore is not described again.

Furthermore, the clamping mechanism 4 comprises a handle 41, a connecting rod 42, a spring 43, a clamping block 44 and a clamping rack 45, the handle 41 is hinged to the top end of the connecting rod 42, a hinge point is formed at the hinged position of the handle and the connecting rod 42, the connecting rod 42 is slidably arranged on the pipe wall of the measuring catheter 1, the bottom end of the connecting rod 42 is connected to the top wall of the clamping block 44, an accommodating cavity is arranged on the inner wall of the measuring catheter 1, the spring 43 is sleeved on the connecting rod 42, the initial end of the spring is connected to the inner wall of the accommodating cavity, the tail end of the spring is connected to the top wall of the clamping block 44, the clamping block 44 is slidably arranged in the accommodating cavity in a matching manner, the structure of the clamping block 44 is matched with that of the clamping rack 45, the clamping rack 45 is connected to the overflowing catheter 2, when the handle 41 is pulled, the connecting rod 42 is lifted by the force from the handle 41, the clamping block 44 connected, and is separated from the clamping rack 45, at this time, the clamping mechanism 4 is in an open state, when the handle 41 returns to the original position, under the elastic action of the spring 43, the clamping block 44 is driven to slide downwards along the accommodating cavity, the clamping rack 45 is clamped again, and at this time, the clamping mechanism 4 is in a closed state.

Furthermore, the clamping mechanisms 4 are arranged in multiple groups, so that the connection firmness between the measuring guide pipe 1 and the overflowing guide pipe 2 is improved.

Furthermore, a plurality of groups of sliding grooves 5 are formed in the inner wall of the connecting part of the measuring guide pipe 1, the clamping racks 45 are matched and arranged in the sliding grooves 5 in a sliding mode, and the sliding grooves 5 are formed in the inner wall of the connecting part of the measuring guide pipe 1, so that a certain guiding effect is achieved on the penetrating connection of the overflowing guide pipe 2.

Furthermore, the clamping rack 45 and the clamping block 44 are matched to form a one-way tooth socket, and the phenomenon that the overflowing guide pipe 2 falls off and shakes with the measuring guide pipe 1 in the using process of the device can be prevented while the overflowing guide pipe 2 is ensured to be smoothly inserted into the measuring guide pipe 1 by forming the one-way tooth socket.

Further, the output portion of the handle 41 is provided with a first contact point 411 and a second contact point 412, the distance from the first contact point 411 to the hinge point is greater than the distance from the second contact point 412 to the hinge point, when the handle 41 rotates from the horizontal state to the vertical state, because the distance from the first contact point 411 to the hinge point is greater than the distance from the second contact point 412 to the hinge point, the handle 41 can pull the connecting rod 42 to ascend in the process, further compress the spring 43, and drive the connecting rod 42 and the clamping block 44 connected with the connecting rod to ascend, so that the switching between the opening state and the closing state of the clamping mechanism 4 is realized.

Furthermore, the connecting part of the overflowing guide pipe 2 is in a round table shape with the diameter of the outer wall gradually reduced, so that the overflowing guide pipe 2 can be conveniently inserted into the measuring guide pipe 1.

Further, the structure of the connecting part of the measuring pipe 1 is matched with the structure of the connecting part of the overflowing pipe 2, the structure on the inner wall of the connecting part of the measuring pipe 1 is matched with the circular truncated cone-shaped structure on the outer wall of the connecting part of the overflowing pipe 2, the contact area of each other is increased, and the measuring pipe 1 and the overflowing pipe 2 are prevented from shaking after installation is completed.

Furthermore, a plurality of groups of grooves 6 are formed in the outer wall of the connecting part of the overflowing guide pipe 2, so that the sealing rubber ring 7 is convenient to position and install, and the phenomenon that the sealing rubber ring 7 rolls and drops when the sealing rubber ring is installed is also guaranteed.

Further, a group of sealing rubber rings 7 are sleeved in each group of grooves 6 in a matched mode, the sealing rubber rings 7 are used, the connection position between the measuring guide pipe 1 and the overflowing guide pipe 2 is guaranteed to have good tightness, meanwhile, airtight air cavities can be formed among the groups of sealing rubber rings 7, and the tightness of the device can be further improved.

Further, the inside perpendicular to axis's of measuring pipe 1 direction sets up a perforated plate 8, through using perforated plate 8, can filter the inside fluid that gets into measuring pipe 1, prevents that the impurity in the fluid from influencing the measurement of flowmeter fluidic to reduce the turbulent phenomenon of the inside fluid of measuring pipe 1 through porous structure, improve measuring result's accuracy.

Furthermore, the inner walls of the measuring conduit 1 and the overflowing conduit 2 are respectively coated with a protective layer, so that the overflowing conduit 2 and the measuring conduit 1 are prevented from being corroded due to long-term use.

In addition, the clamping rack 45 and the overflowing guide pipe 2 can be connected in a welding mode, wherein the tooth shapes of the one-way tooth grooves formed in the clamping block 44 and the clamping rack 45 are right-angled trapezoids, so that smooth transmission during installation is ensured, the clamping block 44 and the clamping rack 45 can be ensured to be in a clamping state during use of the device, and the porous plate 8 can be connected to the inner wall of the measuring guide pipe 1 through pins; meanwhile, the specific model specification of the spring 43 needs to be calculated and determined according to model selection such as the specification parameters of the conveniently-disassembled flowmeter, the model selection calculation method is the prior art, and the method is not improved in the application, so that the detailed description is omitted.

The utility model has simple structure and convenient use, and utilizes the clamping mechanism 4 to realize the rapid installation and disassembly between the measuring conduit 1 and the overflowing conduit 2, thereby shortening the disassembly and installation time; meanwhile, a plurality of groups of sealing rubber rings 7 are additionally arranged between the overflowing guide pipe 2 and the measuring guide pipe 1, so that the sealing performance of the connection between the measuring guide pipe 1 and the overflowing guide pipe 2 is ensured, the fluid in the device is prevented from leaking, and the practicability is high; use perforated plate 8, can reduce the turbulent phenomenon of the inside fluid of measuring tube 1, improve the measuring accuracy of flowmeter, the utility model discloses a concrete working process as follows:

1. an operator inserts the connecting part of the overflowing guide pipe 2 into the connecting part of the measuring guide pipe 1, and enables the clamping rack 45 on the overflowing guide pipe 2 to slide in along the sliding groove 5 on the inner wall of the connecting part of the measuring guide pipe 1, because the clamping rack 45 and the clamping block 44 are matched to form a one-way tooth socket, when the clamping rack 45 is contacted with the clamping block 44, the clamping block 44 clamps the overflowing guide pipe 2 under the action of the clamping rack 45 and the spring 43, when the overflowing guide pipe 2 cannot be inserted continuously, the clamping block 44 and the clamping rack 45 are clamped mutually under the action of the one-way tooth socket, at the moment, the sealing rubber ring 7 sleeved on the overflowing guide pipe 2 is positioned between the inner wall of the connecting part of the measuring guide pipe 1 and the outer wall of the overflowing guide pipe 2 for sealing, and an air cavity formed between a plurality of groups of sealing rubber rings 7 further improves the sealing effect of the;

2. when the device is disassembled, the handle 41 on the clamping mechanism 4 is pulled to be in a vertical state from a horizontal state, the distance from the first contact point 411 to the hinge point on the handle 41 is larger than the distance from the second contact point 412 to the hinge point, the handle 41 can pull the connecting rod 42 to ascend in the process, the connecting rod 42 drives the clamping block 44 to slide along the accommodating cavity in the ascending process, so that the clamping block 44 is separated from the clamping rack 45, the clamping mechanism 4 is in an open state at the moment, the overflowing conduit 2 is separated from the measuring conduit 1, and after the disassembly is completed, the handle 41 is rotated to the original position, and the disassembly of the device is completed.

The embodiments of the present invention have been described in detail, but the present invention is only the preferred embodiments of the present invention, and the present invention is not to be considered as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention should be covered by the present patent.

Claims (10)

1. The utility model provides a flowmeter of convenient dismouting, includes measuring pipe (1), overflows pipe (2) and flowmeter body (3), the connecting portion of overflowing pipe (2) wear to locate in measuring pipe (1), the input of flowmeter body (3) is connected on measuring pipe (1), its characterized in that: the measuring conduit (1) and the overflowing conduit (2) are also connected through a clamping mechanism (4).

2. The flowmeter of claim 1, wherein: the clamping mechanism comprises a handle (41), a connecting rod (42), a spring (43), a clamping block (44) and a clamping rack (45), the handle (41) is hinged to the top end of the connecting rod (42), a hinge point is formed at the hinged position of the handle and the connecting rod (42), the connecting rod (42) is slidably arranged on the pipe wall of the measuring catheter (1), the bottom end of the connecting rod (42) is connected to the top wall of the clamping block (44), a containing cavity is formed in the inner wall of the measuring catheter (1), the spring (43) is sleeved on the connecting rod (42), the initial end of the spring is connected to the inner wall of the containing cavity, the tail end of the spring is connected to the top wall of the clamping block (44), the clamping block (44) is slidably arranged in the containing cavity in a matched mode, the structure of the clamping block (44) is matched with the structure of the clamping rack (45), and the clamping rack (45) is connected to the over-.

3. The flowmeter of claim 2, wherein: the inner wall of the connecting part of the measuring catheter (1) is provided with a plurality of groups of sliding grooves (5), and the clamping racks (45) are matched and slidably arranged in the sliding grooves (5).

4. The flowmeter of claim 2, wherein: the clamping rack (45) and the clamping block (44) are matched with each other to form a one-way tooth socket.

5. The flowmeter of claim 2, wherein: the output part of the handle (41) is provided with a first contact point (411) and a second contact point (412), and the distance from the first contact point (411) to the hinge point is larger than the distance from the second contact point (412) to the hinge point.

6. The flowmeter of claim 1, wherein: the connecting part of the overflowing guide pipe (2) is in a round table shape with the diameter of the outer wall gradually reduced.

7. The flowmeter of claim 6, wherein: the structure of the connecting part of the measuring conduit (1) is matched with the structure of the connecting part of the overflowing conduit (2).

8. The flowmeter of claim 1, wherein: the outer wall of the connecting part of the overflowing guide pipe (2) is provided with a plurality of groups of grooves (6).

9. The flow meter of claim 8, wherein: and a group of sealing rubber rings (7) are sleeved in each group of grooves (6) in a matching manner.

10. The flowmeter of claim 1, wherein: a porous plate (8) is arranged in the measuring conduit (1) in a direction perpendicular to the axis.

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