CN210623767U

CN210623767U - Flowmeter for water distributor

Info

Publication number: CN210623767U
Application number: CN201921705824.3U
Authority: CN
Inventors: 王林近; 肖小勇
Original assignee: Zhejiang Xinfan Heating Ventilation Intelligent Control Co ltd
Current assignee: Zhejiang Xinfan Heating Ventilation Intelligent Control Co ltd
Priority date: 2019-10-12
Filing date: 2019-10-12
Publication date: 2020-05-26
Anticipated expiration: 2029-10-12
Also published as: WO2021068862A1

Abstract

The utility model provides a flowmeter for water knockout drum belongs to valve manufacturing technical field. The flowmeter for the water distributor solves the problems that an existing flowmeter for the water distributor is large in size and inconvenient to adjust flow and the like. This flowmeter for water knockout drum includes the connecting seat, a housin, flow indicator pole and spring, be equipped with the flow scale on the casing, flow indicator pole is located the casing and the spring housing is on flow indicator pole, the last instruction piece that has of flow indicator pole, the casing axial passes connecting seat and casing and connecting seat threaded connection, the casing bottom has linked firmly the clamp plate, clamp plate and flow indicator pole bottom rigid coupling are worn out to flow indicator pole's bottom axial has the flow dish, the spring provides elasticity and makes flow indicator pole have the trend to casing top displacement all the time, the casing overcoat has hand wheel and casing circumferential location, the hand wheel has the window that exposes the flow scale. The utility model has the advantages of compact structure, small in size, convenient and high regulation precision of flow regulation.

Description

Flowmeter for water distributor

Technical Field

The utility model belongs to the technical field of the valve is made, a water knockout drum accessory is related to, in particular to flowmeter for water knockout drum.

Background

The water distributor and collector is a water distributing and collecting device used for connecting water supply and return of each heating pipe in a water system. The water is divided into a water separator and a water collector according to the inlet return water, so the water separator is called a water collecting and separating device or a water collecting and separating device, and is commonly called a water separator.

In order to facilitate observation and adjustment of flow, a flowmeter is provided on a water separator, and for example, chinese patent literature discloses a water separator of a copper pipe flowmeter [ application No.: 201820941358.8, respectively; authorization notice number: CN208364861U ], which comprises a copper shunt pipe, a plurality of flowmeters are arranged on the shunt pipe, the flowmeters comprise a mounting seat in threaded connection with the shunt pipe and an adjusting seat in threaded connection with the mounting seat, the mounting seat is provided with a water inlet hole positioned in the shunt pipe, the adjusting seat is circumferentially provided with a water through hole communicated with the water inlet hole, the outer walls of the adjusting seat at two sides of the water through hole are fixedly connected with sealing rings sealed on the inner wall of the mounting seat, the outer end of the adjusting seat is in threaded connection with a shell, a flow mark is arranged on the shell, a flow rod is arranged in the shell, the top end of the flow rod is abutted against the inner wall at the top of the shell, a pressing cap is fixedly connected at the position close to the top end of the flow rod, a spring for providing elasticity to ensure that the top end of the flow rod is abutted against the shell trend is arranged between the pressing cap and the adjusting seat, the outer wall of the adjusting seat at the, the shunt pipe is provided with water outlet connecting pipes which correspond to the flowmeters one by one and protrude out of the shunt pipe, the shunt pipe and the water outlet connecting pipes are of an integrated structure, the mounting seat extends to the inner end of the water outlet connecting pipes, a cylindrical protruding sealing gasket is embedded in the bottom end of the mounting seat, the port of the sealing gasket, which faces the water outlet connecting pipes, is in a flaring shape and is sealed at the inner end of the water outlet connecting pipes, the inner wall of the flow guide sleeve is in a conical surface shape, and the bottom end, with the large inner diameter, of the flow guide sleeve extends into.

Foretell copper pipe flowmeter water knockout drum can be surveyd and control accuracy is higher to water flow, but the flowmeter is bulky, when needing to adjust the flow, all need take off the lock cap, later adjust the seat through sharp-nosed pliers or vice or spanner centre gripping, rotate and adjust the axial position of seat in order to change the regulation seat, here because of the interval is not big between each flowmeter on the water knockout drum, so cause the not good centre gripping of instrument to adjust the seat, it is not convenient enough to operate, it makes the opening clearance change of water inlet to adjust seat axial displacement, thereby adjust the flow, need again screw thread connection in regulation seat with the lock cap after adjusting the flow, it is also inconvenient to operate, and there is the pivoted condition of drive regulation seat in the lock cap screwing-up process, the regulation accuracy of flow has been influenced.

Disclosure of Invention

The utility model aims at the above-mentioned problem that exists among the prior art, provide a flowmeter for water knockout drum that compact structure, small in size and regulation flow are convenient, the regulation precision is high.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides a flowmeter for water knockout drum, includes connecting seat, casing, flow indicator pole and spring, the casing on be equipped with the flow scale, flow indicator pole be located the casing and the spring housing on flow indicator pole, flow indicator pole on have an instruction piece, its characterized in that, the casing axial pass connecting seat and casing and connecting seat threaded connection, the casing bottom linked firmly the clamp plate, flow indicator pole's bottom axial wear out clamp plate and flow indicator pole bottom and link firmly has the flow disc, the spring provide elasticity and make flow indicator pole have the trend to casing top displacement all the time, the casing overcoat have hand wheel and casing circumferential location, the hand wheel have the window that exposes the flow scale.

In the flowmeter for a water separator, the top of the housing is provided with a square positioning block, and the hand wheel is provided with a positioning hole for the positioning block to pass through.

In the flowmeter for the water separator, the hand wheel comprises a top ring and a bottom ring which are both in a ring shape, a positioning hole is formed in the middle of the top ring, and the top ring and the bottom ring are connected into a whole through two symmetrically arranged connecting ribs.

In the flowmeter for the water separator, the top of the connecting seat is provided with an extension part extending axially, the inner wall of the extension part is provided with an internal thread for connecting the shell in a threaded manner, the outer wall of the extension part is a conical surface, and the inner wall of the bottom ring is a conical surface matched with the conical surface.

In the flowmeter for the water separator, the outer wall of the bottom end of the shell is provided with a plurality of annular grooves, the pressure plate is provided with a connecting part which is cylindrical and is coated on the outer wall of the bottom end of the shell, and the inner wall of the connecting part is provided with convex rings which are embedded in the annular grooves and protrude in the radial direction. The bottom end of the shell is inserted into the connecting part, so that the convex ring is matched with the annular groove, and the shell and the pressing plate are conveniently and firmly connected.

In the flowmeter for the water separator, the top surface of the pressure plate is embedded with the sealing gasket sealed at the bottom end of the shell. The sealing gasket enables the sealing performance between the bottom end of the shell and the pressing plate to be good, and when the shell and the pressing plate are assembled, the buffering and vibration reducing effects are achieved, the bottom end of the shell is prevented from being damaged, and the yield is improved.

In the flowmeter for the water separator, the bottom end of the pressure plate is provided with a first reducing section and a second reducing section which are axially extended, the second reducing section is positioned below the second reducing section, the outer diameter of the first reducing section is smaller than that of the pressure plate, the outer diameter of the first reducing section is larger than that of the second reducing section, the outer wall of the first reducing section is transited to the second reducing section through a conical surface, and the outer diameter of the flow disc is larger than that of the second reducing section. The pressure plate can not cause interference, and the reducing section I, the conical surface and the reducing section II play a drainage role, so that the flow disc has good sensitivity, and is impacted by water flow to drive the flow indicator rod to axially and downwards displace.

In the flowmeter for the water distributor, the first sealing ring is embedded in the outer wall of the connecting seat, the second sealing ring is embedded in the bottom end of the pressing plate, and the third sealing ring which is sealed on the inner wall of the connecting seat is embedded in the shell. The first sealing ring ensures the sealing performance between the connecting seat and the water distributor, the second sealing ring ensures the sealing performance between the pressing plate and the water outlet end valve seat of the water distributor, and the third sealing ring ensures the sealing performance between the shell and the connecting seat, and the sealing performance of all parts is good, and the flow regulation precision is high.

In the flowmeter for the water separator, the indicating block is positioned at the top of the flow indicating rod and the flow indicating rod are connected into a whole, the middle part of the flow indicating rod is provided with a retaining shoulder, the top end of the spring is abutted against the retaining shoulder, and the bottom end of the spring is abutted against the pressing plate. The manufacturing is convenient, the observation is not influenced by the fact that the spring cannot block the sight, and the flow regulation is convenient.

Compared with the prior art, the flowmeter for the water distributor has the advantages of compact structure, small size, convenient operation, convenient flow regulation and high regulation precision.

Drawings

Fig. 1 is a perspective view of the flowmeter for a water separator.

Fig. 2 is a state diagram of the flowmeter for the water separator.

Fig. 3 is a structural sectional view of the flow meter for water separator.

In the figure, 1, a connecting seat; 11. an extension part; 2. a housing; 21. positioning blocks; 3. a flow indicator stem; 31. a shoulder block; 4. a spring; 5. flow rate scales; 6. an indication block; 7. pressing a plate; 71. a connecting portion; 72. a convex ring; 73. a reducing section I; 74. a reducing section II; 8. a flow tray; 9. a hand wheel; 91. a top ring; 92. a bottom ring; 93. a connecting rib; 10. a gasket; 12. a first sealing ring; 13. a second sealing ring; 14. and a third sealing ring.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1 and 3, the flowmeter for the water distributor comprises a connecting seat 1, a casing 2, a flow indicating rod 3 and a spring 4, wherein the casing 2 is a transparent plastic pipe or a glass pipe, the casing 2 is provided with flow scales 5, the flow indicating rod 3 is positioned in the casing 2, the spring 4 is sleeved on the flow indicating rod, the flow indicating rod 3 is provided with an indicating block 6, the indicating block 6 is positioned at the top of the flow indicating rod 3 and is connected with the flow indicating rod 3 into a whole, the middle part of the flow indicating rod 3 is provided with a retaining shoulder 31, the top end of the spring 4 is abutted against the retaining shoulder 31, the bottom end of the spring 4 is abutted against a pressing plate 7, the casing 2 axially penetrates through the connecting seat 1, the casing 2 is in threaded connection with the connecting seat 1, the bottom end of the casing 2 is fixedly connected with the pressing plate 7, the bottom end of the flow indicating rod 3 axially penetrates through the pressing plate 7 and is fixedly connected with a flow, a hand wheel 9 is sleeved outside the shell 2, the hand wheel 9 is circumferentially positioned with the shell 2, and the hand wheel 9 is provided with a window for exposing the flow scale 5.

The flowmeter for the water separator omits the prior adjusting seat and locking cap, shortens the axial size, reduces the volume and has compact structure; the connecting seat 1 in the flowmeter for the water separator is connected with the water separator, the pressing plate 7 is used for sealing a valve seat of a water outlet of the water separator, when the flow needs to be regulated, other tools are not needed, the hand wheel 9 is rotated, the hand wheel 9 drives the shell 2 to rotate, the shell 2 axially displaces to drive the pressing plate 7 to be close to or far away from the valve seat of the water outlet of the water separator, namely, the opening degree of the water inlet is regulated, the flow is regulated conveniently and quickly, the water flow flowing in between the pressing plate 7 and the valve seat of the water outlet of the water separator acts on the flow disc 8, the flow disc 8 and the flow indicating rod 3 overcome the elasticity of the spring 4 to axially displace downwards, and the numerical value on the flow scale 5 corresponding to the horizontal position of the indicating block 6 on the flow indicating rod 3 is the water flow entering the water; the flow is adjusted well, the hand wheel 9 is loosened, other operations are not needed, the shell 2 cannot rotate again, and the adjusting precision is guaranteed.

In more detail, the top of the housing 2 has a square positioning block 21, the hand wheel 9 has a positioning hole for the positioning block 21 to pass through, the hand wheel 9 includes a top ring 91 and a bottom ring 92, both of which are ring-shaped, the middle of the top ring 91 has a positioning hole, and the top ring 91 and the bottom ring 92 are connected into a whole by two symmetrically arranged connecting ribs 93. Like this hand wheel 9 simple structure and manufacturing convenience, two connection ribs 93 can not block flow scale 5, and two connection ribs 93 both sides are hand wheel 9 promptly and reserve the window that supplies flow scale 5 to expose. The setting of locating piece 21 and locating piece 21 makes simple structure, and realized the circumference location of hand wheel 9 and casing 2, and during the use, as shown in fig. 2, in order to avoid interfering, can take off hand wheel 9, later hold hand wheel 9 and make the locating hole supply locating piece 21 to pass, it can drive casing 2 rotation to rotate hand wheel 9, carry out flow control, easily application of force like this, the nature controlled is good, can overlap hand wheel 9 outside casing 2 again after flow control, perhaps directly take away hand wheel 9 in order to avoid other people to mistake the accent flow.

In order to achieve good sealing performance and a buffering effect, a sealing gasket 10 sealed at the bottom end part of the shell 2 is embedded in the top surface of the pressure plate 7; in order to avoid interference and influence on adjustment accuracy, the bottom end of the pressure plate 7 is provided with a first reducing section 73 and a second reducing section 74 which extend axially, the second reducing section 74 is positioned below the first reducing section 73, the outer diameter of the first reducing section 73 is smaller than that of the pressure plate 7, the outer diameter of the first reducing section 73 is larger than that of the second reducing section 74, the outer wall of the first reducing section 73 is transited to the second reducing section 74 through a conical surface, and the outer diameter of the flow disc 8 is larger than that of the second reducing section 74; in order to have good sealing performance, a first sealing ring 12 is embedded in the outer wall of the connecting seat 1, a second sealing ring 13 is embedded at the bottom end of the pressure plate 7, and a third sealing ring 14 which is sealed on the inner wall of the connecting seat 1 is embedded in the shell 2; for convenient and firm connection, the outer wall of the bottom end of the shell 2 is provided with two annular grooves, the pressure plate 7 is provided with a connecting part 71 which is cylindrical and is wrapped on the outer wall of the bottom end of the shell 2, and the inner wall of the connecting part 71 is provided with a convex ring 72 which is embedded in each annular groove and protrudes in the radial direction.

The top of connecting seat 1 has the extension 11 that the axial extends, and the inner wall of extension 11 has the internal thread that supplies casing 2 threaded connection, and the outer wall of extension 11 is the conical surface, and the inner wall of foundation ring 92 is the conical surface of cooperation conical surface. The flow control scope has been guaranteed to extension portion 11 for other inner walls of connecting seat 1 have sufficient guide length, make the axial displacement when casing 2 rotates steady, adjust the precision height, when hand wheel 9 overlaps on casing 2 moreover, the end circle 92 cover is outside extension portion 11, conical surface and conical surface cooperation, like this in transport or use, even hand wheel 9 receives certain striking also difficult from casing 2 external droing.

Those not described in detail in this specification are within the skill of the art. The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. A flowmeter for a water separator comprises a connecting seat (1), a shell (2), a flow indicating rod (3) and a spring (4), wherein flow scales (5) are arranged on the shell (2), the flow indicating rod (3) is positioned in the shell (2) and the spring (4) is sleeved on the flow indicating rod, an indicating block (6) is arranged on the flow indicating rod (3), the flowmeter is characterized in that the shell (2) axially penetrates through the connecting seat (1) and the shell (2) is in threaded connection with the connecting seat (1), a pressing plate (7) is fixedly connected to the bottom end of the shell (2), the bottom end of the flow indicating rod (3) axially penetrates through the pressing plate (7) and the bottom end of the flow indicating rod (3) is fixedly connected with a flow disc (8), and the spring (4) provides elasticity to enable the flow indicating rod (3) to have a trend of displacement towards the top of the shell (2) all the time, casing (2) overcoat have hand wheel (9) and casing (2) circumference location, hand wheel (9) have the window that exposes flow scale (5).

2. The flowmeter for the water separator according to claim 1, wherein the top of the housing (2) is provided with a positioning block (21) in a square block shape, and the hand wheel (9) is provided with a positioning hole for the positioning block (21) to pass through.

3. The flowmeter for the water separator according to claim 2, wherein the hand wheel (9) comprises a top ring (91) and a bottom ring (92) which are both in a ring shape, a positioning hole is formed in the middle of the top ring (91), and the top ring (91) and the bottom ring (92) are connected into a whole through two symmetrically arranged connecting ribs (93).

4. The flowmeter for the water separator according to claim 3, wherein the top of the connecting base (1) has an extension (11) extending axially, the inner wall of the extension (11) has an internal thread for the threaded connection of the housing (2), the outer wall of the extension (11) is a conical surface, and the inner wall of the bottom ring (92) is a conical surface matching the conical surface.

5. The flowmeter for the water separator according to claim 4, wherein the outer wall of the bottom end of the housing (2) is provided with a plurality of annular grooves, the pressure plate (7) is provided with a connecting part (71) which is cylindrical and covers the outer wall of the bottom end of the housing (2), and the inner wall of the connecting part (71) is provided with a convex ring (72) which is embedded in each annular groove and protrudes radially.

6. Flowmeter for water dispensers according to claim 5, characterized in that the top of the pressure plate (7) is embedded with a sealing gasket (10) sealing the bottom end of the housing (2).

7. The flowmeter for the water separator according to claim 6, wherein the bottom end of the pressure plate (7) is provided with a first reducing section (73) and a second reducing section (74) which are axially extended, the second reducing section (74) is positioned below the first reducing section (73), the outer diameter of the first reducing section (73) is smaller than that of the pressure plate (7), the outer diameter of the first reducing section (73) is larger than that of the second reducing section (74), the outer wall of the first reducing section (73) is transited to the second reducing section (74) through a conical surface, and the outer diameter of the flow disc (8) is larger than that of the second reducing section (74).

8. The flowmeter for the water separator according to claim 7, wherein a first seal ring (12) is embedded in the outer wall of the connecting seat (1), a second seal ring (13) is embedded in the bottom end of the pressure plate (7), and at least two third seal rings (14) which are sealed on the inner wall of the connecting seat (1) are embedded in the shell (2).

9. The flowmeter for the water separator according to claim 8, wherein the indicating block (6) is located at the top of the flow indicating rod (3) and is connected with the flow indicating rod (3) into a whole, a blocking shoulder (31) is arranged in the middle of the flow indicating rod (3), the top end of the spring (4) abuts against the blocking shoulder (31), and the bottom end of the spring (4) abuts against the pressing plate (7).