CN210240590U

CN210240590U - Higher venturi valve of precision

Info

Publication number: CN210240590U
Application number: CN201921068352.5U
Authority: CN
Inventors: Jiacong Zhang; 张佳聪
Original assignee: Shanghai Wisdom Control Equipment Co Ltd
Current assignee: Shanghai Wisdom Control Equipment Co Ltd
Priority date: 2019-07-09
Filing date: 2019-07-09
Publication date: 2020-04-03
Anticipated expiration: 2029-07-09

Abstract

The utility model discloses a higher venturi valve of precision relates to venturi valve technical field, and it includes the valve body and sets up the valve vertebra in the valve body, and the both sides of valve body axial direction are all fixed and are provided with the support frame, and two support frame upper bracket mounts are equipped with the valve rod, and the axis of valve rod and the axis collineation of valve body, valve rod wear to establish the valve vertebra and with the valve vertebra along the valve rod axial cooperation of sliding, still are equipped with the drive assembly who is used for driving the valve vertebra and slides on the valve rod on the valve body. The utility model has the advantages of help guaranteeing the stability of valve vertebra on the valve rod, reduce the condition emergence of valve vertebra and valve rod shake under the impact of high velocity air, help promoting the precision of venturi valve in service.

Description

Higher venturi valve of precision

Technical Field

The utility model belongs to the technical field of the venturi valve technique and specifically relates to a venturi valve that precision is higher is related to.

Background

A venturi valve is a valve manufactured using the principle of the venturi effect, i.e. a venturi air flow control valve, which is capable of extending air flow control to the highest level.

The current utility model discloses the chinese patent that the grant bulletin number is CN207893146U discloses a venturi valve, and venturi valve includes the valve body, sets up the connecting rod in the valve body, and the connecting rod is connected and is adjusted the pole, adjusts pole connection adjusting device, sets up first dog and second dog on the connecting rod, sets up the case between first dog and the second dog, and the case can pass first dog, sets up two at least magnets between first dog and the case, and the homopolar setting of two adjacent magnets is in opposite directions. The end part of the connecting rod is provided with a supporting structure, the supporting structure comprises a supporting rod connected with the box body, and a sliding hole is formed in the connecting position of the supporting rod and the connecting rod.

By adopting the scheme, the valve core is arranged on the connecting rod, the connecting rod is arranged on the supporting rod in a sliding manner, one end of the connecting rod is connected with the adjusting device through the adjusting rod, and the adjusting rod is hinged in a multi-point manner. However, when high-speed airflow is introduced into the valve body, the connecting rod and the valve core are easy to shake under the impact of the high-speed airflow, the accuracy in the operation of the venturi valve is seriously affected, and a part to be improved exists.

SUMMERY OF THE UTILITY MODEL

To the technical problem, the utility model aims to provide a higher venturi valve of precision establishes between two support frames through the valve rod mount to slide the valve vertebra and set up on the valve rod, thereby help guaranteeing the stability of valve vertebra on the valve rod, reduce the condition emergence of valve vertebra and valve rod shake under the impact of high velocity air current, help promoting the precision of venturi valve in service.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a higher venturi valve of precision, includes the valve body and sets up the valve vertebra in the valve body, its characterized in that, the both sides of valve body axial direction are all fixed and are provided with the support frame, two support frame mount is equipped with the valve rod on the support frame, the axis of valve rod and the axis collineation of valve body, the valve rod is worn to establish the valve vertebra and is slided the cooperation along the valve rod axial with the valve vertebra, still be equipped with the drive assembly who is used for driving the valve vertebra and slides on the valve rod on the valve body.

By adopting the technical scheme, in actual work, the driving component drives the valve cone to slide on the valve rod, and the valve rod fixing frame is arranged between the two supporting frames. In this way, the stability of the valve cone on the valve rod is guaranteed, the shaking situation of the valve cone and the valve rod under the impact of high-speed airflow is reduced, and the accuracy in the operation of the Venturi valve is improved.

The utility model discloses further set up to: the valve cone is coaxially and fixedly provided with a sliding sleeve, and the valve rod penetrates through the sliding sleeve and is in sliding fit with the sliding sleeve.

Through adopting above-mentioned technical scheme, the valve cone slides on the valve rod through sliding the cover to help promoting the stability of smooth cone on the valve rod, help promoting the precision of venturi valve in service.

The utility model discloses further set up to: the valve rod is provided with a sliding groove along the axial direction, the inner wall of the sliding sleeve is fixedly provided with a sliding block, and the sliding block is embedded into the sliding groove and is matched with the sliding groove in a sliding mode along the axial direction of the valve rod.

Through adopting above-mentioned technical scheme, by the fixed slider embedding that sets up on the cover inner wall that slides in the spout on the valve rod and with the spout cooperation that slides to reduce the valve vertebra and take place in the pivoted condition on the valve rod, further promote the stability of smooth vertebra on the valve rod.

The utility model discloses further set up to: the support frame includes bracing piece and supporting seat, the one end of bracing piece is fixed on the supporting seat, the other end of bracing piece passes through bolt locking on the valve body inner wall, just the bracing piece is provided with many at the even interval of supporting seat week side.

Through adopting above-mentioned technical scheme, supporting seat and bracing piece pass through bolt locking on the inner wall of valve body, on the one hand, reduce the influence of support frame to venturi valve ventilation operation, guarantee the normal ventilation operation of venturi valve.

The utility model discloses further set up to: and any supporting rod is arranged in a manner of inclining to one side away from the valve cone from one side close to the inner wall of the valve body, and two supporting seats are respectively penetrated by the two ends of the valve rod corresponding to the threads.

Through adopting above-mentioned technical scheme, all set up one side slope of valve vertebra is kept away from to one side that is close to the valve body inner wall to arbitrary bracing piece to by the valve rod tensioning, thereby reduce the condition that the bracing frame caused the support frame to warp at wind bundle pressure and valve vertebra motion pulling force and take place, and help guaranteeing the stability of support frame and valve rod, indirectly guarantee the precision that the valve vertebra opened and shut the valve body passageway.

The utility model discloses further set up to: the driving assembly comprises an adjusting rod and a hinged rod, the adjusting rod penetrates through the side wall of one side of the valve body in the axial direction, the middle of the adjusting rod is rotatably arranged at the position where the adjusting rod penetrates through the side wall of the valve body, one end of the hinged rod is hinged to one end of the adjusting rod in the valve body, the other end of the hinged rod is hinged to one side, close to the adjusting rod, of the valve vertebra, and the driving assembly further comprises a pushing piece used for driving the adjusting rod to rotate.

Through adopting above-mentioned technical scheme, in the actual work, the staff can adjust the pole with the help of the impeller drive and rotate on the valve body to drive the valve vertebra through articulated pole and slide on the valve rod, thereby realize the drive operation that slides on the valve rod to the valve vertebra, help guaranteeing the normal operation that opens and shuts of the higher venturi valve of this precision.

The utility model discloses further set up to: the pushing piece is a first electric cylinder, a cylinder body of the first electric cylinder is hinged to the valve body, and the end portion of an output shaft of the first electric cylinder is hinged to one end, far away from the hinged rod, of the adjusting rod.

Through adopting above-mentioned technical scheme, adjust the pole rotation by first electric jar drive, after first electric jar shut down, the output shaft stability of first electric jar is higher to help reducing the condition that the valve train moved on the valve rod under the high-speed air current and taking place, and help promoting the degree of automation of the higher venturi valve of this precision.

The utility model discloses further set up to: the drive assembly comprises a second electric cylinder, the second electric cylinder is fixed on the support frame, the end part of an output shaft of the second electric cylinder is fixed with the valve cone, and the second electric cylinder drives the valve cone to slide on the valve rod.

By adopting the technical scheme, the second electric cylinder drives the valve cone to slide on the valve rod, so that the sliding operation of the valve cone on the valve rod is realized; and the output shaft of the second electric cylinder directly acts on the valve cone, so that the stability of the valve cone on the valve rod is further improved, and the situation that the valve cone and the valve rod shake under the impact of high-speed airflow is reduced.

The utility model discloses further set up to: the driving assembly further comprises a stabilizing plate, the stabilizing plate is fixed on the valve rod, and an output shaft of the second electric cylinder penetrates through the stabilizing plate and is in sliding fit with the stabilizing plate.

Through adopting above-mentioned technical scheme, run through the stabilizer plate with the output shaft of second electricity jar and with the stabilizer plate cooperation of sliding, help promoting the stability of second electricity jar output to help promoting the stability that the second electricity jar driven valve cone slided.

Compared with the prior art, the beneficial effects of the utility model are as follows:

(1) the valve rod fixing frame is arranged between the two support frames, and the valve cone is arranged on the valve rod in a sliding manner, so that the stability of the valve cone on the valve rod is ensured, the condition that the valve cone and the valve rod shake under the impact of high-speed airflow is reduced, and the accuracy of the Venturi valve in operation is improved;

(2) the sliding sleeve fixedly arranged on the valve cone is in sliding fit with the valve rod, the sliding block fixedly arranged on the inner wall of the sliding sleeve is embedded into the sliding groove in the valve rod and is in sliding fit with the sliding groove, and any one supporting rod is obliquely arranged from one side close to the inner wall of the valve body to one side far away from the valve cone, so that the stability of the sliding cone on the valve rod is further improved;

(3) the first electric cylinder is comprehensively utilized to drive the adjusting rod to rotate, the valve cone is driven to slide on the valve rod through the hinged rod, automatic driving operation of sliding the valve cone on the valve rod is achieved, and the situation that the valve cone moves on the valve rod under high-speed airflow is reduced.

Drawings

FIG. 1 is an axial view of the overall structure of a venturi valve according to an embodiment, which mainly shows a high accuracy;

FIG. 2 is an enlarged view of a portion A of FIG. 1, which mainly shows the structure of the sliding block and the sliding groove;

FIG. 3 is a schematic diagram of a venturi valve embodying a higher precision in full section according to an embodiment;

FIG. 4 is an axial schematic view of the venturi valve structure of the second embodiment, which mainly shows higher precision;

fig. 5 is a schematic diagram of a second embodiment mainly embodying the structure of the second electric cylinder and the stabilizing plate.

Reference numerals: 1. a valve body; 11. a mounting frame; 2. a valve cone; 21. a sliding sleeve; 22. a slider; 3. a support frame; 31. a support bar; 32. a supporting seat; 4. a valve stem; 41. a chute; 5. a drive assembly; 51. adjusting a rod; 52. a hinged lever; 53. a first electric cylinder; 54. a second electric cylinder; 55. and a stabilizing plate.

Detailed Description

The present invention will be described in further detail with reference to the following examples and drawings, but the embodiments of the present invention are not limited thereto.

Example (b):

referring to fig. 1 and fig. 3, a venturi valve that precision is higher, including valve body 1 and the valve vertebra 2 of setting in valve body 1, the both sides of 1 axial direction of valve body are all fixed and are provided with support frame 3, the support mount is equipped with valve rod 4 on two support frames 3, the axis of valve rod 4 and the axis collineation of valve body 1, valve rod 4 wears to establish valve vertebra 2 and slides the cooperation along 4 axial of valve rod with valve vertebra 2, still be equipped with the drive assembly 5 that is used for driving valve vertebra 2 and slides on valve rod 4 on valve body 1. In actual operation, the driving assembly 5 drives the valve cone 2 to slide on the valve rod 4, and the valve rod 4 is fixedly arranged between the two support frames 3, so that the stability of the valve cone 2 on the valve rod 4 is ensured.

The support frame 3 comprises a support rod 31 and a support seat 32, one end of the support rod 31 is fixed on the support seat 32, the other end of the support rod 31 is locked on the inner wall of the valve body 1 through a bolt, and four support rods 31 are evenly arranged on the periphery of the support seat 32 at intervals. Any supporting rod 31 is obliquely arranged from one side close to the inner wall of the valve body 1 to one side far away from the valve cone 2, and two supporting seats 32 are respectively arranged at two ends of the valve rod 4 in a penetrating way corresponding to the threads. Any one support rod 31 is obliquely arranged from one side close to the inner wall of the valve body 1 to one side far away from the valve cone 2 and is tensioned by the valve rod 4, so that the situation that the support frame 3 deforms due to the wind beam pressure and the movement tension of the valve cone 2 is reduced.

Referring to fig. 2 and 3, the valve cone 2 is coaxially and fixedly provided with a sliding sleeve 21, and the valve rod 4 penetrates through the sliding sleeve 21 and is in sliding fit with the sliding sleeve 21. The valve rod 4 is provided with a sliding groove 41 along the axial direction, the inner wall of the sliding sleeve 21 is fixedly provided with a sliding block 22, and the sliding block 22 is embedded into the sliding groove 41 and is in sliding fit with the sliding groove 41 along the axial direction of the valve rod 4. Thus, the stability of the poppet 2 sliding on the stem 4.

Referring to fig. 1 and 3, the driving assembly 5 adjusts a rod 51 and a hinge rod 52, the rod 51 penetrates through the side wall of one axial side of the valve body 1, the middle part of the rod 51 is rotatably disposed at a position penetrating through the side wall of the valve body 1, one end of the hinge rod 52 is hinged at one end of the rod 51 in the valve body 1, and the other end of the hinge rod 52 is hinged at one side of the sliding sleeve 21 close to the rod 51. The driving assembly 5 further comprises a first electric cylinder 53, a mounting frame 11 is fixedly arranged on the outer wall of the valve body 1, the cylinder body of the first electric cylinder 53 is hinged to the mounting frame 11, and the end portion of the output shaft of the first electric cylinder 53 is hinged to one end, far away from the hinge rod 52, of the adjusting rod 51. In actual operation, a worker can drive the adjusting rod 51 to rotate on the valve body 1 by means of the first electric cylinder 53, and drive the valve cone 2 to slide on the valve rod 4 through the hinged rod 52, so as to drive the valve cone 2 to stably slide on the valve rod 4.

Example two:

referring to fig. 4 and 5, a venturi valve with higher precision, which is different from the first embodiment: the driving assembly 5 comprises a second electric cylinder 54, the second electric cylinder 54 is fixed on the support frame 3, the end of the output shaft of the second electric cylinder 54 is fixed with the valve cone 2, and the second electric cylinder 54 drives the valve cone 2 to slide on the valve rod 4. The drive assembly 5 further comprises a stabilising plate 55, the stabilising plate 55 being fixed to the valve stem 4 and the output shaft of the second electric cylinder 54 extending through the stabilising plate 55 and being in sliding engagement with the stabilising plate 55. The second electric cylinder 54 drives the valve cone 2 to slide on the valve rod 4, so that the sliding driving operation of the valve cone 2 on the valve rod 4 is realized, and the stability of the valve cone 2 on the valve rod 4 is further improved; further, the extension and contraction of the output shaft of the second electric cylinder 54 is stabilized by the stabilizer plate 55.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a higher venturi valve of precision, includes valve body (1) and sets up valve vertebra (2) in valve body (1), its characterized in that, valve body (1) axial direction's both sides are all fixed and are provided with support frame (3), two support frame mount is equipped with valve rod (4) on support frame (3), the axis of valve rod (4) and the axis collineation of valve body (1), valve rod (4) are worn to establish valve vertebra (2) and are followed valve rod (4) axial sliding fit with valve vertebra (2), still be equipped with drive assembly (5) that are used for driving valve vertebra (2) and slide on valve rod (4) on valve body (1).

2. A high precision venturi valve according to claim 1, wherein the valve cone (2) is coaxially and fixedly provided with a sliding sleeve (21), and the valve rod (4) is arranged through the sliding sleeve (21) and is in sliding fit with the sliding sleeve (21).

3. The venturi valve with higher precision as claimed in claim 2, wherein the valve rod (4) is provided with a sliding groove (41) along the axial direction thereof, the inner wall of the sliding sleeve (21) is fixedly provided with a sliding block (22), and the sliding block (22) is embedded into the sliding groove (41) and is in sliding fit with the sliding groove (41) along the axial direction of the valve rod (4).

4. The venturi valve with higher precision as claimed in claim 1, wherein the supporting frame (3) comprises a supporting rod (31) and a supporting seat (32), one end of the supporting rod (31) is fixed on the supporting seat (32), the other end of the supporting rod (31) is locked on the inner wall of the valve body (1) by a bolt, and the supporting rod (31) is provided with a plurality of supporting rods at regular intervals around the supporting seat (32).

5. A Venturi valve with higher precision according to claim 4, characterized in that any one of the supporting rods (31) is obliquely arranged from one side close to the inner wall of the valve body (1) to one side far away from the valve cone (2), and two supporting seats (32) are respectively penetrated through the two ends of the valve rod (4) correspondingly to the threads.

6. A high precision venturi valve according to claim 1, wherein said driving assembly (5) comprises an adjusting rod (51) and a hinged rod (52), said adjusting rod (51) penetrates through the side wall of one axial side of the valve body (1), the middle of said adjusting rod (51) is rotatably disposed at the position where it penetrates through the side wall of the valve body (1), one end of said hinged rod (52) is hinged at one end of the adjusting rod (51) in the valve body (1), the other end of said hinged rod (52) is hinged at the side of the valve cone (2) close to the adjusting rod (51), and said driving assembly (5) further comprises a pushing member for driving the adjusting rod (51) to rotate.

7. A high precision Venturi valve according to claim 6, characterized in that the pushing member is a first electric cylinder (53), the cylinder body of the first electric cylinder (53) is hinged on the valve body (1), and the end of the output shaft of the first electric cylinder (53) is hinged with the end of the adjusting rod (51) far away from the hinged rod (52).

8. A precision venturi valve according to claim 1, wherein said driving assembly (5) comprises a second electric cylinder (54), said second electric cylinder (54) is fixed on the supporting frame (3), the end of the output shaft of said second electric cylinder (54) is fixed with the valve cone (2), and said second electric cylinder (54) drives the valve cone (2) to slide on the valve stem (4).

9. A precision venturi valve according to claim 8, wherein said drive assembly (5) further comprises a stabilizer plate (55), said stabilizer plate (55) is fixed to the valve stem (4), and the output shaft of said second electric cylinder (54) extends through the stabilizer plate (55) and is slidably engaged with the stabilizer plate (55).