CN211215852U

CN211215852U - Bag filter convenient to change filter bag

Info

Publication number: CN211215852U
Application number: CN201921563611.1U
Authority: CN
Inventors: 侯明璋
Original assignee: Jiangsu Tongyu Air Conditioning Equipment Co ltd
Current assignee: Jiangsu Tongyu Air Conditioning Equipment Co ltd
Priority date: 2019-09-19
Filing date: 2019-09-19
Publication date: 2020-08-11
Anticipated expiration: 2029-09-19

Abstract

The utility model discloses a bag filter convenient to change filter bag, including the filter main part, the feed inlet has been seted up on the top of filter main part, the discharge gate has been seted up to the bottom of filter main part, the bottom of feed inlet is fixed with the cylindrical groove, the bottom mounting in cylindrical groove has the shunt tubes, the inner of door plant is fixed with the block board, and the block board all is fixed with the filter bag through the rivet, the outer end and the press platen of second spring are fixed, the inner of second spring is fixed with the filter main part. This bag filter convenient to change filter bag is through being provided with post groove, shunt tubes and hole etc. and after dusty air current got into the post inslot from the feed inlet, flow in the shunt tubes respectively, flow in seting up the hole that has from the shunt tubes, even and filter bag contact can be so that dusty air current and filter bag contact with the state of flow equalizing, avoid making the life who crosses the filter bag to shorten.

Description

Bag filter convenient to change filter bag

Technical Field

The utility model relates to a filter technical field specifically is a bag filter convenient to change filter bag.

Background

Bag filters are used to remove contaminants such as particulate or gaseous contaminants from an air or gas stream and existing bag filters are generally satisfactory but suffer from certain disadvantages in use.

1. The existing bag filter is a filter bag with dust-containing gas directly communicated to the bag filter, and basically contacts with the filter bag in a concentrated form, most of dust-containing gas flow directly flushes the middle part of the filter bag, and only a small amount of gas flow passes through the rest parts of the filter bag, so that the service life of the filter bag is shortened.

2. In daily use, filter bags of the conventional bag filter are often replaced due to reasons such as overhigh filtering speed, excessively fine dust, sticky dust, poor dust removal of the filter bags, bag pasting of the filter bags, dewing, hardening and the like, but the conventional replacement method is troublesome and labor-consuming, so that the problem is solved by a bag filter convenient for replacing the filter bags.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a bag filter convenient to change filter bag solves current bag filter dusty gas and can't flow equalize through the filter bag, changes the comparatively troublesome problem of filter bag operation.

In order to achieve the above object, the utility model provides a following technical scheme: a bag filter convenient for replacing filter bags comprises a filter main body, wherein a feed inlet is formed in the top end of the filter main body, a discharge outlet is formed in the bottom end of the filter main body, the bottom end of the feed inlet is fixed with a cylindrical groove, a flow dividing pipe is fixed at the bottom end of the cylindrical groove, a door plate is hinged to the filter main body through a hinge shaft, a handle is fixed on the door plate, clamping plates are fixed at the inner ends of the door plate and fixed with filter bags through rivets, a fixing block is fixed at the right end of the door plate and clamped with an inner groove, the inner groove is formed in the filter main body, slide rails are symmetrically formed in the inner wall of the fixing block, slide rods are embedded in the slide rails, the slide rods are fixed with telescopic rods, a first spring is wound on the bottom end of the telescopic rods, the outer end of the telescopic rods are clamped in the, the outer end of the telescopic rod is attached to one end of the push rod, the other end of the push rod penetrates through the inner wall of the filter main body and is fixed to the pressing plate, a second spring is wound on the push rod, the outer end of the second spring is fixed to the pressing plate, and the inner end of the second spring is fixed to the filter main body.

Preferably, nine groups of the shunt tubes are arranged, and holes are uniformly formed in each group of the shunt tubes.

Preferably, a movable groove is formed in the hinged position of the door plate and the filter main body, and the outer wall of the movable groove is arc-shaped.

Preferably, the circumference of the inner ring of the door panel is equal to the circumference of the inner ring of the filter body.

Preferably, the outer end of the first spring is fixed with the telescopic rod, and the inner end of the first spring is fixed with the inner wall of the fixed block.

The utility model provides a bag filter convenient to change filter bag possesses following beneficial effect:

1. this bag filter convenient to change filter bag is through being provided with post groove, shunt tubes and hole, after dusty air current got into post inslot from the feed inlet, flows in the shunt tubes respectively, flow in seting up the hole that has from the shunt tubes, even and the filter bag contact, can make dusty air current and filter bag contact with the state that flow equalizes through this device, avoid making the life who crosses the filter bag to shorten.

2. The bag filter convenient for replacing the filter bag is characterized in that a hinged shaft, a door plate, a handle, a clamping plate, rivets, the filter bag, a movable groove, a fixed block, an inner groove, a slide rail, a slide bar, a clamping block, a first spring, a push rod, a press plate, a second spring and a clamping groove are arranged, the press plate is firstly pressed to drive the push rod to extrude a telescopic rod, so that the telescopic rod extrudes the first spring to move to the opening of the clamping groove, then a worker pulls the handle to drive one end of the door plate clamped with a filter main body, so that the fixed block is separated from the inner groove, after the door plate is opened by rotation, the filter bag at each layer is disassembled from the rivets fixed by the clamping plate, finally the filter bag is disassembled and replaced, the fixed block is inserted into the inner groove, so that the telescopic rod extrudes the first spring to slide in the inner groove until the first spring moves to the clamping groove, the arrangement can ensure that the filter bag can be conveniently and quickly replaced and installed by workers.

Drawings

FIG. 1 is a schematic sectional view of the front view of the structure of the present invention;

FIG. 2 is a schematic side view of the structure of the present invention;

FIG. 3 is a schematic top view of the partial structure of the present invention;

FIG. 4 is a schematic view of the local structure of the present invention showing the top view, the cross-section and the active state;

fig. 5 is an enlarged schematic view of a structure in fig. 3 according to the present invention.

In the figure: 1. a filter body; 2. a feed inlet; 3. a discharge port; 4. a cylindrical groove; 5. a shunt tube; 6. a hole; 7. hinging a shaft; 8. a door panel; 9. a handle; 10. a clamping plate; 11. riveting; 12. a filter bag; 13. a movable groove; 14. a fixed block; 15. an inner tank; 16. a slide rail; 17. a slide bar; 18. a telescopic rod; 19. a first spring; 20. a push rod; 21. a pressing plate; 22. a second spring; 23. an engaging groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-5, the utility model provides a technical solution: the utility model provides a bag filter convenient to change filter bag, including filter body 1, feed inlet 2 has been seted up on filter body 1's top, discharge gate 3 has been seted up to filter body 1's bottom, feed inlet 2's bottom is fixed with cylindrical groove 4, cylindrical groove 4's bottom mounting has shunt tubes 5, nine groups have been seted up to shunt tubes 5, hole 6 has all evenly been seted up on every shunt tubes 5 of group, can make dusty air current contact with filter bag 12 with the state of flow equalizing through this device, avoid making the life who crosses filter bag 12 shorten.

Articulated through articulated shaft 7 on the filter main part 1 have a door plant 8, and be fixed with handle 9 on the door plant 8, movable slot 13 has been seted up with the articulated department of filter main part 1 to door plant 8, movable slot 13's outer wall shape is "arc" shape, the purpose that sets up movable slot 13 is, when staff's pulling handle 9 drives door plant 8 pivoted, can give the region of the articulated department activity of door plant 8, it is the articulated gas tightness of assurance door plant 8 and filter main part 1 to set up like this simultaneously, the inner circle girth size of door plant 8 equals the inner circle girth size of filter main part 1, the purpose that sets up like this is, the inner circle of assurance door plant 8 has sufficient length to come through rivet 11 fixed filter bag 12, the inner of door plant 8 is fixed with block board 10, and block board 10 all is fixed with filter bag 12 through rivet 11.

The right end of the door panel 8 is fixed with a fixed block 14, the fixed block 14 is clamped with an inner groove 15, the inner groove 15 is arranged on the filter main body 1, the inner wall of the fixed block 14 is symmetrically provided with slide rails 16, slide bars 17 are embedded in the slide rails 16, the slide bars 17 are all fixed with a telescopic rod 18, a first spring 19 is wound on the bottom end of the telescopic rod 18, the outer end of the first spring 19 is fixed with the telescopic rod 18, the inner end of the first spring 19 is fixed with the inner wall of the fixed block 14, when a worker presses a pressing plate 21 to press the telescopic rod 18 to an opening of a clamping groove 23 by a push rod 20, the worker pulls the door panel 8 to drive the fixed block 14 to rotate outwards, the telescopic rod 18 extrudes the first spring 19 to slide in the inner groove 15, after the fixed block 14 is inserted into the inner groove 15, the telescopic rod 18 extrudes the first spring 19 to move in the inner groove 15 to the opening of the clamping groove 23, the restoring, the telescopic rod 18 is a telescopic hollow cylindrical rod which is made by rolling a metal strip or a plastic sheet, and is characterized in that the metal strip or the plastic sheet is pre-shaped into an elastic curled layer with a memory function and smaller than the outer diameter of the rod body, so that the elastic curled layer has a self-tightening function, the curled layer always has elastic potential energy for applying pressure to the telescopic rod 18, the outer end of the telescopic rod 18 is clamped in a clamping groove 23, the clamping groove 23 is arranged on an inner groove 15, the outer end of the telescopic rod 18 is attached to one end of a push rod 20, the other end of the push rod 20 penetrates through the inner wall of the filter main body 1 to be fixed with a pressing plate 21, a second spring 22 is wound on the push rod 20, the outer end of the second spring 22 is fixed with the pressing plate.

The working principle is as follows: after the staff gets into the cylindrical groove 4 with dusty air current from feed inlet 2, flow out in shunt tubes 5 respectively, flow out in seting up some holes 6 from shunt tubes 5, even and the contact of filter bag 12, can make dusty air current contact with filter bag 12 with the state of flow equalizing through this device, avoid making the life of filter bag 12 shorten.

When the filter bag 12 needs to be replaced, the worker firstly presses the pressing plate 21 to drive the push rod 20 to extrude the telescopic rod 18, so that the telescopic rod 18 extrudes the first spring 19 to move to the opening of the clamping groove 23, then, the worker pulls the handle 9 to drive one end of the door panel 8, which is clamped with the filter body 1, so that the fixed block 14 is separated from the inner groove 15, after the door panel 8 is rotated to open, the filter bags 12 on each layer are detached from the rivets 11 fixed on the clamping plates 10, and finally the filter bags 12 are detached and replaced, and the fixing blocks 14 are inserted into the inner grooves 15 in the same way, so that the telescopic rod 18 extrudes the first spring 19 to slide in the inner groove 15 until the first spring moves to the position of the clamping groove 23, the restoring force generated by the elasticity of the first spring 19 drives the telescopic rod 18 to expand outwards to be clamped with the clamping groove 23, such an arrangement enables the filter bag 12 to be conveniently and quickly replaced and installed by the operator, and the operation is completed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A bag filter convenient to change filter bag, includes filter main part (1), its characterized in that: the filter is characterized in that a feed inlet (2) is formed in the top end of a filter main body (1), a discharge outlet (3) is formed in the bottom end of the filter main body (1), the bottom end of the feed inlet (2) is fixed with a cylindrical groove (4), a shunt tube (5) is fixed at the bottom end of the cylindrical groove (4), a door plate (8) is hinged to the filter main body (1) through a hinge shaft (7), a handle (9) is fixed on the door plate (8), a clamping plate (10) is fixed at the inner end of the door plate (8), the clamping plate (10) is fixed with a filter bag (12) through a rivet (11), a fixing block (14) is fixed at the right end of the door plate (8), the fixing block (14) is clamped with an inner groove (15), the inner groove (15) is formed in the filter main body (1), slide rails (16) are symmetrically formed in the inner wall of the fixing block (14), and slide bars (, slide bar (17) all are fixed with telescopic link (18), and the winding has first spring (19) on the bottom of telescopic link (18), telescopic link (18) outer end block is in block groove (23), and block groove (23) set up on inside groove (15), the outer end of telescopic link (18) and the one end laminating of push rod (20), the other end of push rod (20) passes filter main part (1) inner wall and presses platen (21) fixed, the winding has second spring (22) on push rod (20), the outer end and the platen (21) of second spring (22) are fixed, the inner of second spring (22) is fixed with filter main part (1).

2. The bag filter of claim 1, wherein the bag filter is adapted to facilitate changing of filter bags: nine groups of shunt tubes (5) are arranged, and holes (6) are uniformly arranged on each group of shunt tubes (5).

3. The bag filter of claim 1, wherein the bag filter is adapted to facilitate changing of filter bags: the hinge joint of the door plate (8) and the filter main body (1) is provided with a movable groove (13), and the outer wall of the movable groove (13) is arc-shaped.

4. The bag filter of claim 1, wherein the bag filter is adapted to facilitate changing of filter bags: the circumference of the inner ring of the door panel (8) is equal to the circumference of the inner ring of the filter body (1).

5. The bag filter of claim 1, wherein the bag filter is adapted to facilitate changing of filter bags: the outer end of the first spring (19) is fixed with the telescopic rod (18), and the inner end of the first spring (19) is fixed with the inner wall of the fixing block (14).