CN216246577U

CN216246577U - High-precision waist wheel flowmeter

Info

Publication number: CN216246577U
Application number: CN202122878197.7U
Authority: CN
Inventors: 穆宁; 禹金容; 郭中利
Original assignee: Chongqing Jieshi Gas Equipment Co ltd
Current assignee: Chongqing Jieshi Gas Equipment Co ltd
Priority date: 2021-11-23
Filing date: 2021-11-23
Publication date: 2022-04-08
Anticipated expiration: 2031-11-23

Abstract

The utility model provides a high-precision Roots flowmeter, which relates to the technical field of Roots flowmeters and comprises an installation cylinder, wherein the outer peripheral surface of the installation cylinder is fixedly connected with a shell, sealing components are arranged on two sides of the shell and comprise a connecting sleeve and a sealing ring group, a plurality of connecting grooves are formed in the outer peripheral surface of the connecting sleeve, the sealing ring group is fixedly sleeved on the inner walls of the connecting grooves, connecting pipelines are sleeved outside the connecting sleeve and the sealing ring group, connecting components are respectively arranged on two sides of each connecting pipeline and comprise a connecting block and a clamping block, two springs are fixedly connected between the connecting block and the shell, two telescopic rods are fixedly connected between the connecting block and the clamping block, a rotor device is arranged in the installation cylinder, a display device is fixedly arranged on one side of the installation cylinder, and the stability of connection between the connecting pipeline and the flowmeter can be improved by arranging the connecting components, through setting up seal assembly, can improve leakproofness and the security of junction.

Description

High-precision waist wheel flowmeter

Technical Field

The utility model relates to the technical field of a roots flowmeter, in particular to a high-precision roots flowmeter.

Background

In the gas transportation process, need install various flowmeters such as roots flowmeter between the gas pipeline, be used for detecting gas in service behavior, the roots flowmeter that patent application number is CN201820277175.0 proposed, which comprises a housin, first roots and second roots match the setting in the casing, with the coaxial setting of first roots have first gear, with the coaxial setting of second roots have the second gear, first gear and second gear meshing set up, the coaxial fly leaf that is equipped with in the casing, the fly leaf inlays to be established in the casing and the two sliding connection, be equipped with a plurality of support columns between the casing and the fly leaf, the support column perpendicular to fly leaf sets up, the coaxial reset spring that is equipped with in outer lane of support column. When the waist wheel flowmeter provided by the technical scheme is used for flow detection, the problem of blockage of the impurity inlet can be avoided, and the stability is better.

However, according to the technical scheme, when the high-precision waist wheel flowmeter is installed, the waist wheel flowmeter and the gas pipeline are usually connected through the bolts, the bolts are easy to loosen after long-time use, the tightness of the bolt connection is poor, gas leakage is easy to cause, and potential safety hazards are caused.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a high-precision roots flowmeter which can effectively solve the problems in the background technology.

In order to achieve the purpose, the utility model adopts the technical scheme that:

a high-precision waist wheel flowmeter comprises an installation cylinder, wherein the outer peripheral surface of the installation cylinder is fixedly connected with a shell, the middle part of the installation cylinder is provided with an air inlet and an air outlet, sealing components are respectively arranged at the edges of notches of the two sides of the shell and positioned at the air inlet and the air outlet, each sealing component comprises a connecting sleeve and a sealing ring group, the outer peripheral surface of the connecting sleeve is provided with a plurality of connecting grooves, the sealing ring groups are fixedly sleeved on the inner walls of the connecting grooves, connecting pipelines are sleeved outside the connecting sleeves and the sealing ring groups, sealing gaskets are fixedly arranged between the connecting pipelines and the shell, connecting components are respectively arranged at the two sides of the connecting pipelines, each connecting component comprises a connecting block and a clamping block, two springs are fixedly connected between the connecting block and the shell, two telescopic rods are fixedly connected between the connecting block and the clamping block, the inner sides of the clamping blocks are attached to the outer peripheral surface of the connecting pipelines, the rotor device is arranged in the mounting cylinder, and the display device is fixedly mounted on one side of the mounting cylinder.

Preferably, the connecting sleeve is fixedly connected with the shell, and a plurality of connecting holes are formed in the connecting sleeve and the sealing ring set.

Preferably, the connecting holes are internally provided with second connecting rods, and the bottom ends of the second connecting rods are in threaded connection with the connecting sleeves.

Preferably, a plurality of first connecting rods are arranged on two sides of the shell respectively, one end of each first connecting rod is fixedly connected with the shell, and the other end of each first connecting rod penetrates through the sealing gasket and the connecting pipeline and then is fixed through a nut.

Preferably, the two sides of the shell are respectively provided with an installation groove outside the air inlet and the air outlet, and the installation grooves are fixedly connected with two springs.

Preferably, one side of the connecting block, which is close to the connecting pipeline, is fixedly connected with a telescopic rod, one side of the clamping block, which is close to the shell, is provided with a clamping groove corresponding to the first connecting rod, and the clamping groove is clamped with the first connecting rod.

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

(1) the connecting components are arranged on the two sides of the connecting pipeline, the connecting blocks and the clamping blocks are driven to move towards the direction close to the shell through the self elasticity of the springs in the connecting components, so that the clamping blocks are clamped outside the first connecting rod and abut against one side of the connecting pipeline after the connecting pipeline and the sealing gasket are fixed with the shell through the first connecting rod, the stability of pipeline connection can be improved, and the condition of connection looseness in the later period is avoided;

(2) at business turn over gas port department installation seal assembly, through set up a plurality of spread grooves on connecting sleeve, then fix the sealing washer group inside the spread groove through the second connecting rod, can make in the connection process, the connecting tube inner wall offsets with the sealing washer group, has improved the leakproofness and the accuracy of device, makes the product use safer.

Drawings

FIG. 1 is a schematic view of the overall construction of a high accuracy Roots flowmeter of the present invention;

FIG. 2 is a schematic top view of a high accuracy Roots flowmeter of the present invention;

FIG. 3 is a schematic view of the cross-sectional view A-A of the high accuracy Roots flowmeter of the present invention in FIG. 2;

FIG. 4 is an exploded view of a portion of the high accuracy Roots flowmeter of the present invention;

fig. 5 is a schematic view of a partial structure of the high-precision roots flowmeter of the present invention.

In the figure: 1. a housing; 2. a connecting assembly; 201. mounting grooves; 202. a spring; 203. connecting blocks; 204. a telescopic rod; 205. a clamping block; 206. a card slot; 3. a seal assembly; 301. a connecting sleeve; 302. connecting grooves; 303. connecting holes; 304. a second connecting rod; 305. a seal ring set; 4. a first connecting rod; 5. a display device; 6. a rotor arrangement; 7. an air inlet; 8. an air outlet; 9. a gasket; 10. mounting the cylinder; 11. and connecting the pipelines.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to 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.

Examples

As shown in fig. 1-5, the high-precision roots flowmeter comprises an installation cylinder 10, a housing 1 is fixedly connected to the outer peripheral surface of the installation cylinder 10, an air inlet 7 and an air outlet 8 are formed in the middle of the installation cylinder 10, sealing assemblies 3 are respectively arranged on two sides of the housing 1 and at the edges of notches of the air inlet 7 and the air outlet 8, each sealing assembly 3 comprises a connecting sleeve 301 and a sealing ring group 305, a plurality of connecting grooves 302 are formed in the outer peripheral surface of the connecting sleeve 301, the sealing ring groups 305 are fixedly sleeved on the inner walls of the connecting grooves 302, the connecting sleeve 301 is fixedly connected with the housing 1, a plurality of connecting holes 303 are formed in the connecting sleeve 301 and the sealing ring group 305, second connecting rods 304 are respectively arranged in the connecting holes 303, the bottom ends of the second connecting rods 304 are in threaded connection with the connecting sleeve 301, connecting pipes 11 are sleeved outside the connecting sleeve 301 and the sealing ring group 305, and sealing gaskets 9 are fixedly installed between the connecting pipes 11 and the housing 1, connecting tube 11 both sides are provided with coupling assembling 2 respectively, and coupling assembling 2 includes connecting block 203 and clamp splice 205, two springs 202 of fixedly connected with between connecting block 203 and the shell 1, two telescopic links 204 of fixedly connected with between connecting block 203 and the clamp splice 205, the inboard laminating of 11 outer peripheral faces of connecting tube of clamp splice 205, the inside rotor device 6 that is provided with of installation section of thick bamboo 10, installation section of thick bamboo 10 one side fixed mounting has display device 5.

In this embodiment, shell 1 both sides are provided with a plurality of head rods 4 respectively, head rod 4 one end and shell 1 fixed connection, the head rod 4 other end is fixed through the nut after penetrating through sealed pad 9 and connecting tube 11, during the connection, with sealed pad 9 and connecting tube 11 correspond respectively with head rod 4 and be connected, then will seal up pad 9 and connecting tube 11 through the nut and be fixed with shell 1, through set up connecting tube 11 between sealed pad 9 and shell 1, can further improve the leakproofness of connecting, improve the product quality.

In this embodiment, the two sides of the housing 1 are respectively provided with an installation groove 201 outside the air inlet 7 and the air outlet 8, and the installation groove 201 is fixedly connected with two springs 202.

In this embodiment, one side fixedly connected with telescopic link 204 that connecting block 203 is close to connecting tube 11, clamp splice 205 is close to one side of shell 1 and has been seted up with the corresponding draw-in groove 206 of head rod 4, draw-in groove 206 and head rod 4 joint, through setting up spring 202, can drive clamp splice 205 towards the direction motion of being close to shell 1, make clamp splice 205 support tight connecting tube 11, in addition, clamp splice 205 and head rod 4 joint can play limiting displacement to clamp splice 205, avoid clamp splice 205 and connecting tube 11 to break away from.

It should be noted that, through set up spread groove 302 on adapter sleeve 301, and establish sealing washer group 305 cover inside spread groove 302, rethread second connecting rod 304 is fixed, can play the effect that improves connecting tube 11 and adapter sleeve 301 and be connected the leakproofness, avoid the gas leakage of pipe connection department, set up coupling assembling 2 through the junction both sides at connecting tube 11 and shell 1, and with clamp splice 205 and the head rod 4 joint in coupling assembling 2, can improve the stability of connecting, avoid taking place to connect the not hard up condition in the later stage use.

The working principle of the high-precision waist wheel flowmeter is as follows:

when the device is used, firstly, the telescopic rods 204 on the two sides are contracted until the distance between the two clamping blocks 205 is larger than the diameter of the bottom end of the connecting pipeline 11, then the sealing gasket 9 is sleeved outside the connecting sleeve 301, then the connecting pipeline 11 is sleeved outside the sealing ring group 305, then the connecting pipeline 11 is pressed towards the direction close to the shell 1, then the nut is in threaded connection with the top end of the first connecting rod 4 and is screwed on one side of the bottom end of the connecting pipeline 11, then the connecting block 203 is pulled towards the direction far away from the shell 1 until the clamping blocks 205 move to one side of the bottom end of the connecting pipeline 11, then the telescopic rods 204 on the two sides are extended, the clamping blocks 205 are pulled until the clamping grooves 206 move to the position right above the first connecting rod 4, then the connecting blocks 203 are loosened slowly, so that the clamping grooves 206 are clamped at one end of the first connecting rod 4, after the connecting blocks 203 are loosened completely, the spring 202 pulls the connecting blocks 203 and the clamping blocks 205 towards the direction close to the shell 1 under the action of the spring 202, so that the clamping block 205 is tightly pressed against one side of the connecting pipeline 11, when the device starts to work, the gas flows from the inside of the connecting pipeline 11 to the inside of the mounting cylinder 10, and the signal is transmitted to the display device 5 through the rotor device 6 for displaying.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. High accuracy roots flowmeter, including installation section of thick bamboo (10), its characterized in that: the utility model discloses an installation pipe, including installation section of thick bamboo (10) outer peripheral face fixedly connected with shell (1), air inlet (7) and gas outlet (8) have been seted up at installation section of thick bamboo (10) middle part, shell (1) both sides and the notch edge that is located air inlet (7) and gas outlet (8) are provided with seal assembly (3) respectively, seal assembly (3) are including connecting sleeve (301) and sealing washer group (305), a plurality of spread grooves (302) have been seted up to connecting sleeve (301) outer peripheral face, the fixed cover of sealing washer group (305) is established at spread groove (302) inner wall, connecting sleeve (301) and sealing washer group (305) overcoat are equipped with connecting tube (11), fixed mounting has sealed pad (9) between connecting tube (11) and shell (1), connecting tube (11) both sides are provided with coupling assembling (2) respectively, coupling assembling (2) include connecting block (203) and clamp splice (205), two springs (202) of fixedly connected with between connecting block (203) and shell (1), two telescopic links (204) of fixedly connected with between connecting block (203) and clamp splice (205), clamp splice (205) inboard and connecting tube (11) outer peripheral face laminating, installation section of thick bamboo (10) inside is provided with rotor device (6), installation section of thick bamboo (10) one side fixed mounting has display device (5).

2. The high accuracy roots meter of claim 1, wherein: connecting sleeve (301) and shell (1) fixed connection, a plurality of connecting holes (303) have all been seted up to connecting sleeve (301) and sealing washer group (305) inside.

3. The high accuracy roots meter of claim 2, wherein: the connecting holes (303) are internally provided with second connecting rods (304), and the bottom ends of the second connecting rods (304) are in threaded connection with the connecting sleeve (301).

4. The high accuracy roots meter of claim 1, wherein: the improved shell is characterized in that a plurality of first connecting rods (4) are arranged on two sides of the shell (1) respectively, one ends of the first connecting rods (4) are fixedly connected with the shell (1), and the other ends of the first connecting rods (4) penetrate through the sealing gaskets (9) and the connecting pipelines (11) and then are fixed through nuts.

5. The high accuracy roots meter of claim 1, wherein: the air inlet (7) and the air outlet (8) are arranged on the two sides of the shell (1), mounting grooves (201) are formed in the outer sides of the air inlet (7) and the air outlet (8), and two springs (202) are fixedly connected inside the mounting grooves (201).

6. The high accuracy roots meter of claim 1, wherein: connecting block (203) are close to one side fixedly connected with telescopic link (204) of connecting tube (11), clamping groove (206) corresponding with head rod (4) are seted up to one side that clamp splice (205) are close to shell (1), clamping groove (206) and head rod (4) joint.