CN212899787U

CN212899787U - Side-opening type off-line valve for off-line pulse type bag-type dust collector

Info

Publication number: CN212899787U
Application number: CN202021506516.0U
Authority: CN
Inventors: 刘志全
Original assignee: Hebei Yawei Environmental Protection Technology Co ltd
Current assignee: Hebei Yawei Environmental Protection Technology Co ltd
Priority date: 2020-07-27
Filing date: 2020-07-27
Publication date: 2021-04-06
Anticipated expiration: 2030-07-27

Abstract

The utility model belongs to the technical field of off-line pulsed sack cleaner off-line valve, specifically relate to a side open off-line valve for off-line pulsed sack cleaner, including disk seat, the valve plate of setting in the disk seat, the transmission structure and the drive structure who connects gradually with the valve plate, the valve plate have the degree of freedom of swing in the disk seat with the help of transmission structure, transmission structure including fixing the transmission shaft on valve plate center upper portion and fixing the pivot in valve plate center lower part, the transmission shaft forms normal running fit with the help of drive structure with the upper shaft seat of fixing on the disk seat outer up end, the pivot forms normal running fit with the lower shaft seat of fixing in the disk seat bottom surface, is provided with the interval between transmission shaft and the pivot, has effectively avoided the valve plate to drop, the cylinder connecting rod corrodes, the valve plate unbalance loading is sealed not tight, the.

Description

Side-opening type off-line valve for off-line pulse type bag-type dust collector

Technical Field

The utility model belongs to the technical field of the off-line pulsed sack cleaner, specifically be a side open offline valve that is used for off-line pulsed sack cleaner has been related to.

Background

Off-line pulsed sack cleaner need carry out the off-line with single case room when carrying out the off-line blowback, and traditional off-line valve is the promotion formula, and the valve plate is circular, adopts the cylinder as power, and the valve plate adopts bolt or hinge fixation with the transmission shaft, and in practical application, because of the transmission shaft is the round bar, can produce the valve plate easily and drop, the corruption of cylinder connecting rod, valve plate unbalance loading is sealed not tight, the bulky scheduling problem of cylinder.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve above-mentioned problem, provide an open offline valve of side for off-line pulsed sack cleaner, effectively avoided the valve plate to drop, the cylinder connecting rod corrodes, the valve plate unbalance loading is sealed not tight, the big scheduling problem of cylinder.

The utility model discloses a technical scheme be, provide an open offline valve that inclines for off-line pulsed sack cleaner, including disk seat, the valve plate of setting in the disk seat, the transmission structure and the drive structure who connects gradually with the valve plate, the valve plate have wobbling degree of freedom in the disk seat with the help of transmission structure, transmission structure including fixing the transmission shaft on valve plate center upper portion and fixing the pivot in valve plate center lower part, the transmission shaft forms normal running fit with the upper shaft seat of fixing on the disk seat outer up end with the help of drive structure, the pivot forms normal running fit with the lower shaft seat of fixing in the disk seat bottom surface, is provided with the interval between transmission shaft and the pivot.

All be provided with the incision in transmission shaft and the pivot, transmission shaft and pivot all with the help of incision and valve plate laminating and with the help of bolt or pin fixed.

The lower shaft seat is provided with a conical groove, the lower end of the rotating shaft is provided with a conical shaft head, and the rotating shaft is tightly pressed and limited with the conical groove on the lower shaft seat by means of the shaft head.

The lower shaft seat further comprises a lower shaft cover, the lower shaft cover is provided with a shaft hole for the rotating shaft to pass through, the diameter of the bottom surface of the shaft head is larger than that of the shaft hole, the lower shaft cover is in bolted connection with the lower shaft seat, and the rotating shaft and the lower shaft seat clamping shaft head form clamping limiting by means of the lower shaft cover.

The upper shaft base is further provided with an upper shaft cover, the upper shaft cover is in bolted connection with the upper shaft base, a filling cavity is arranged on the inner wall of the shaft hole of the upper shaft base, the opening of the filling cavity is sealed by means of the upper shaft cover, and a graphite packing is filled in the filling cavity.

One end of the transmission shaft, which is positioned on the outer side of the valve seat, is connected with a connecting rod, and the connecting rod is connected with a driving structure.

The driving structure is a cylinder or a motor or an oil cylinder.

The utility model has the advantages that:

1. the rotary valve plate greatly reduces the resistance when the valve is opened, saves more power compared with a lifting type valve, can replace a driving device with smaller volume and reduces the occupied space;

2. the direct contact of the air flow and the piston connecting rod of the cylinder is avoided, and the corrosion phenomenon of the connecting rod is eliminated;

3. the upper shaft seat is filled with a graphite packing to reduce air leakage;

4. the transmission shaft and the rotating shaft are attached to the valve plate through the notches and fastened through the bolts, so that the valve plate is effectively prevented from falling off, and the connection is more stable;

5. the transmission shaft is driven, the rotating shaft is driven, and the power required by the driving structure is further reduced due to the two-section arrangement;

6. when service environment condition changes, be influenced by expend with heat and contract with cold, the structure of the two segmentation semi-axes of transmission shaft and pivot has been avoided leading to the axle construction and can produce great axial stress to the axle head, causes the influence to bearing and sealed, can lead to the problem of valve deformation when serious.

7. The off-line valve installation environment is narrow, and logical axle construction valve needs the integral erection, and off-line valve installation back brings great inconvenience to the installation of follow-up equipment, and the valve body frame can be installed earlier to the two segmentation semi-axis structures of transmission shaft and pivot, treats that follow-up equipment installation carries out the equipment of valve plate and semi-axis after accomplishing again.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is an enlarged view of A in FIG. 1;

FIG. 3 is an enlarged view of B in FIG. 1;

FIG. 4 is a cross-sectional schematic view of the lower half shaft.

In the attached drawing, the device comprises a valve seat 1, a valve seat 2, a valve plate 3, a transmission shaft 4, a rotating shaft 5, an upper shaft seat 6, a lower shaft seat 7, a notch 8, a shaft head 9, a lower shaft cover 10, an upper shaft cover 11, a graphite packing 12 and a connecting rod.

Detailed Description

As shown in fig. 1-4, the utility model provides a side open wire separating valve for off-line pulsed sack cleaner, including disk seat 1, set up valve plate 2 in disk seat 1, the transmission structure and the drive structure who connects gradually with valve plate 2, valve plate 2 have the degree of freedom of swing in disk seat 1 with the help of transmission structure, transmission structure including fixing transmission shaft 3 on 2 central upper portions of valve plate and fixing pivot 4 in 2 central lower parts of valve plate, transmission shaft 3 forms normal running fit with the last axle bed 5 of fixing on disk seat 1 outer up end with the help of drive structure, pivot 4 forms normal running fit with the lower axle bed 6 of fixing in disk seat 1 bottom surface, is provided with the interval between transmission shaft 3 and the pivot 4.

Valve plate 2 is at 1 internal rotations of disk seat with the help of transmission structure and drive structure, realize closing and opening of 1 inner chamber of disk seat, transmission shaft 3 is initiative, pivot 4 is driven, the great reduction of rotary type valve plate 2 resistance when the valve is opened, save power for the promotion formula more, the littleer drive arrangement of removable volume, reduce occupation space, transmission shaft 3 initiative, pivot 4 is driven, the transmission design of two segmentation has further reduced 2 pivoted resistances of valve plate, reduce the required power of drive structure, therefore, the cost is reduced, the service life of drive structure is prolonged.

When service environment condition changes, be influenced by expend with heat and contract with cold, the structure of two segmentation semi-axes of transmission shaft 3 and pivot 4 has been avoided leading to the axle construction to produce great axial stress to the axle head, causes the influence to bearing and sealed, leads to the problem of valve deformation.

The off-line valve installation environment is narrow, and logical axle construction valve needs the integral erection, and off-line valve installation back brings great inconvenience to the installation of follow-up equipment, and the valve body frame can be installed earlier to the two segmentation semi-axis structures of transmission shaft 3 and pivot 4, waits to carry out the equipment of valve plate 2, transmission shaft 3 and pivot 4 after the follow-up equipment fixing is accomplished.

As shown in fig. 4, both the transmission shaft 3 and the rotating shaft 4 are provided with a notch 7, and both the transmission shaft 3 and the rotating shaft 4 are attached to the valve plate 2 by means of the notch 7 and fixed by means of bolts or pins.

The notch 7 of transmission shaft 3 and pivot 4 forms the horizontal plane and laminates with valve plate 2, has increased with the area of contact of valve plate 2, and is more stable, has effectively avoided the valve plate 2 and the unstable, the easy problem that drops of valve plate 2 of axial plane.

As shown in fig. 3, a conical groove is formed in the lower shaft seat 6, a conical shaft head 8 is arranged at the lower end of the rotating shaft 4, and the rotating shaft 4 is tightly pressed and limited with the conical groove in the lower shaft seat 6 by means of the shaft head 8.

The pivot 4 is tightly pushed up in 6 grafting of lower axle bed with the help of spindle nose 8, can accomplish the installation and use, and simple structure is loaded down with trivial details step and restriction when having avoided the installation of conventional axle bed, and 6 simple structures of lower axle bed are with lower costs moreover, and production is simpler.

As shown in fig. 3, the lower shaft seat 6 further comprises a lower shaft cover 9, the lower shaft cover 9 is provided with a shaft hole for the rotating shaft 4 to pass through, the diameter of the bottom surface of the shaft head 8 is larger than that of the shaft hole, the lower shaft cover 9 is bolted with the lower shaft seat 6, and the rotating shaft 4 is clamped and limited by the clamping shaft head 8 of the lower shaft seat 6 and the lower shaft cover 9.

The shaft head 8 is clamped in the lower shaft seat 6 by means of the lower shaft cover 9, so that the stability is higher, the service life is longer, and the problems of deviation and falling of the rotating shaft 4 after long service time are effectively solved.

As shown in fig. 2, the upper shaft base 5 is further provided with an upper shaft cover 10, the upper shaft cover 10 is bolted to the upper shaft base 5, a filling cavity is arranged on the inner wall of the shaft hole of the upper shaft base 5, the opening of the filling cavity is sealed by the upper shaft cover 10, and the filling cavity is filled with a graphite packing 11.

The graphite packing 11 is filled in the filling cavity of the upper shaft seat 5, so that the sealing effect of the shaft seat is improved, and air leakage is greatly reduced.

As shown in figure 1, one end of the transmission shaft 3, which is positioned outside the valve seat 1, is connected with a connecting rod 12, and the connecting rod 12 is connected with a driving structure.

By means of the connecting rod 12, a driving structure which is installed properly can be selected at will to drive the off-line valve according to the model and the style of the off-line pulse type bag-type dust collector.

As shown in fig. 1, the driving structure is a cylinder or a motor or an oil cylinder.

According to the limitation of the installation environment, a corresponding suitable driving structure can be selected.

Claims

1. The utility model provides a transmission structure and drive structure that side open off-line valve for off-line pulsed sack cleaner, includes disk seat (1), sets up valve plate (2) in disk seat (1), connects gradually with valve plate (2), its characterized in that: valve plate (2) have the degree of freedom of wobbling in disk seat (1) with the help of transmission structure, transmission structure including fixing transmission shaft (3) on valve plate (2) center upper portion and fixing pivot (4) in valve plate (2) center lower part, transmission shaft (3) form normal running fit with fixing last axle bed (5) on disk seat (1) outer up end with the help of drive structure, pivot (4) form normal running fit with lower axle bed (6) of fixing in disk seat (1) bottom surface, be provided with the interval between transmission shaft (3) and pivot (4).

2. A side-opening offline valve for an offline pulsed bag-type dust collector according to claim 1, wherein: all be provided with incision (7) on transmission shaft (3) and pivot (4), transmission shaft (3) and pivot (4) all with the help of incision (7) and valve plate (2) laminating and fixed with the help of bolt or pin.

3. A side-opening offline valve for an offline pulsed bag-type dust collector according to claim 1, wherein: the lower shaft seat (6) is provided with a conical groove, the lower end of the rotating shaft (4) is provided with a shaft head (8) in a conical shape, and the rotating shaft (4) is tightly propped and limited with the conical groove in the lower shaft seat (6) by means of the shaft head (8).

4. A side-opening offline valve for an offline pulsed bag-type dust collector according to claim 3, wherein: lower shaft seat (6) still including lower shaft cover (9), lower shaft cover (9) be provided with the shaft hole that supplies pivot (4) to pass, the diameter of spindle nose (8) bottom surface be greater than the diameter in shaft hole, lower shaft cover (9) and lower shaft seat (6) bolt joint, pivot (4) press from both sides tight spindle nose (8) with lower shaft seat (6) with the help of lower shaft cover (9) and form to press from both sides tight spacing.

5. A side-opening offline valve for an offline pulsed bag-type dust collector according to claim 1, wherein: the upper shaft seat (5) is further provided with an upper shaft cover (10), the upper shaft cover (10) is bolted with the upper shaft seat (5), a filling cavity is arranged on the inner wall of the shaft hole of the upper shaft seat (5), the opening of the filling cavity is sealed by means of the upper shaft cover (10), and a graphite packing (11) is filled in the filling cavity.

6. A side-opening offline valve for an offline pulsed bag-type dust collector according to claim 1, wherein: one end of the transmission shaft (3) positioned at the outer side of the valve seat (1) is connected with a connecting rod (12), and the connecting rod (12) is connected with a driving structure.

7. A side-opening offline valve for an offline pulsed bag-type dust collector according to claim 1, wherein: the driving structure is a cylinder or a motor or an oil cylinder.