CN216457709U

CN216457709U - Metal filter screen structure

Info

Publication number: CN216457709U
Application number: CN202122654795.6U
Authority: CN
Inventors: 杨治军; 杨治芳; 孙俊威; 李丽娟; 郭伶燕
Original assignee: Hebei Ruitai Environmental Protection Technology Co ltd
Current assignee: Hebei Ruitai Environmental Protection Technology Co ltd
Priority date: 2021-11-02
Filing date: 2021-11-02
Publication date: 2022-05-10
Anticipated expiration: 2031-11-02

Abstract

The utility model provides a metal filter screen structure which is characterized by comprising an external frame, an upper locking structure, a lower locking structure, a side locking structure and a filter element quick-dismantling structure, wherein the side locking structure is arranged in a frame body of the external frame; a filter element quick-release structure is arranged in the frame body of the external frame; the filter element quick-release structure is arranged on the left side of the side locking structure; an up-down locking structure is arranged in the frame body of the external frame; the utility model replaces the splicing mode in the prior art, achieves the effect that two adjacent external frames can be mutually locked after being spliced while ensuring the same convenient and fast dismounting effect as the prior art, solves the problem of poor stability after being spliced and installed in the prior art, and can replace an internal filter element on the basis of the prior art, thereby avoiding the condition that a filter medium needs to be integrally replaced together with the frames after reaching the service life, and greatly saving the economic cost.

Description

Metal filter screen structure

Technical Field

The utility model relates to the technical field of waste gas filtering equipment, in particular to a metal filter screen structure.

Background

At present, with the rapid development of science and technology and industry in China, the paint spraying industry of various products and parts is gradually developed, a large amount of waste gas is generated in the paint spraying process, the atmospheric environment is influenced, the air quality of the working environment is greatly reduced, and the physical health of workers is greatly influenced, so that at present, workers often use a paint-spraying filter box to filter the waste gas in the paint spraying operation to ensure the excellent working environment and the atmospheric environment, and a metal filter screen is a filter medium often used in the existing filter box;

the traditional metal filter screen consists of a rectangular frame and an internal metal filter screen, the size specification is fixed, the traditional metal filter screen is used for filtering solid particle suspended matters generated in paint spraying operation, but the filtering area is fixed due to the fixed and unchangeable size of the traditional metal filter screen, and has certain limitation;

however, in the prior art, the metal frame is installed in a way of magnetic parts, sliding block chutes and spring steel balls, and because the magnetic force between the magnetic parts is limited and is not a complete locking structure, when the spliced metal filter screen is easily desorbed under the condition of being carelessly subjected to external force, the spliced metal filter screen is disassembled, and the spring steel balls can only be used for positioning, the locking effect is poor, so that the splicing fixing way in the prior art causes the connection stability to be low, and the purpose of facilitating disassembly and assembly can be achieved, but the metal frame is easily disassembled in the splicing, carrying and installation processes, and the filter screen or the filter box body can be seriously damaged; in addition, in the prior art, after the metal filter screen is used for a period of time, the filtering effect of the filter screen cannot be improved through cleaning, and at the moment, the metal filter screen can only be integrally replaced together with the frame when the service life is reached, the manufacturing cost of the frame is higher, and the problem of serious waste can be caused by integral replacement.

SUMMERY OF THE UTILITY MODEL

According to the technical problem, the utility model provides a metal filter screen structure which is characterized by comprising an external frame, a support ring, a pre-positioning block, a frame filter screen, an upper locking structure, a lower locking structure, a side locking structure and a filter element quick-release structure, wherein the support ring is welded on the side wall of an inner frame of the external frame; a frame filter screen is arranged on the front side of the support ring; a pre-positioning block is welded on the right side wall of the inner frame of the outer frame; the number of the pre-positioning blocks is two; the pre-positioning block is arranged on the front side of the frame filter screen; a first locking groove is formed in the right side wall of the outer frame; the number of the first locking grooves is two; the first locking groove is of a structure that one end is provided with a circular groove with the width larger than that of the groove; a second locking groove is formed in the bottom of the outer frame of the external frame; the number of the second locking grooves is two; the second locking groove has the same structure as the first locking groove; a side locking structure is arranged inside the frame body of the external frame; a filter element quick-release structure is arranged in the frame body of the external frame; the filter element quick-release structure is arranged on the left side of the side locking structure; an up-down locking structure is arranged in the frame body of the external frame; the upper and lower locking structures are arranged on the upper sides of the side locking structure and the filter element quick-release structure;

the upper and lower locking structure consists of a partition plate, an extrusion spring, a pressing block and a first locking block, and the partition plate is welded inside the upper frame body of the external frame; one end of an extrusion spring is welded on each of the left side wall and the right side wall of the partition plate; one end of the pressing block is welded at the other end of the extrusion spring; the left side wall and the right side wall of the outer frame are respectively provided with a pressing groove; the other ends of the two pressing blocks extend to the pressing grooves towards the left side and the right side respectively; one end of a first locking block is welded to the tops of the two pressing blocks respectively; the first locking block is a structure consisting of two cylinders with different diameters; the top of the external frame is provided with a first sliding groove; the number of the first sliding grooves is two; the other end of the first locking block penetrates through the first sliding groove and extends to the outer side of the outer frame; the first locking block and the first locking groove are matched and locked with each other;

the side locking structure consists of a spring sleeve, a compression spring, a top column, a matching rod, a second locking block, a pulling rod and a sliding block, wherein the spring sleeve is arranged at the bottom inside the frame of the external frame; one end of a compression spring is welded at the bottom of the spring sleeve; the other end of the compression spring is welded with one end of the top column; the other end of the top column penetrates through the spring sleeve and extends upwards to be welded with a matching rod; the matching rod is arranged inside the right frame body of the outer frame; one end of a second locking block is welded on the right side of the matching rod; the number of the second locking blocks is two; the structure of the second locking block is the same as that of the first locking block; a third sliding groove is formed in the right side wall of the outer frame; the number of the third sliding grooves is two; the other ends of the two second locking blocks penetrate through the third sliding groove and extend to the right side of the outer frame; the second locking block is matched and locked with the second locking groove; one end of a pulling rod is welded on the front side wall of the matching rod; a sliding groove IV is formed in the front side wall of the outer frame of the external frame; the other end of the pulling rod penetrates through the four sliding grooves and extends to the outer side of the external frame, and a sliding block is welded on the outer side of the external frame;

the filter element quick-release structure consists of a compression box, a locking spring, a compression pin, a connecting rod, an extension plate, a connecting column, a sliding plate and a handle, wherein the compression box is welded on the left side wall inside the left frame body of the external frame; the number of the compression boxes is two; one end of a locking spring is welded inside each of the two compression boxes; one end of a pressing pin is welded at the other end of the locking spring; the other end of the compression pin penetrates through the right side wall of the compression box and the inner frame side wall of the outer frame respectively and extends to the inner side of the outer end frame; the pressing pins are in a right trapezoid structure, and the tops of the two pressing pins are connected with connecting rods through bolts; an extension plate is welded on the left side wall of the connecting rod; one end of a connecting column is welded at the top of the extension plate; the number of the connecting columns is two; a second sliding groove is formed in the front side wall of the outer frame; the number of the second sliding grooves is two; the two connecting columns respectively penetrate through the second sliding chute and extend to the front side of the external frame, and a sliding plate is welded on the front side of the external frame; the front side wall of the sliding plate is welded with a handle.

The utility model has the beneficial effects that:

the utility model adds an up-down locking structure and a side locking structure, replaces the assembly mode of a magnetic part, a slide block chute and a spring steel ball in the prior art, improves the structure characteristic of mutual locking, and achieves the characteristic of increasing connection stability, when the utility model is assembled, a worker can firstly install an upper external frame and a lower external frame, the worker only needs to press the pressing blocks at the left side and the right side of the external frame to enable the pressing blocks to push and extrude the spring, at the moment, two first locking blocks can move along the chute I along the inner side along the relative inner side of the pressing blocks, when the sliding chute I is moved to the inner end of the chute I, a cylinder with a larger diameter at the top of the first locking block corresponds to a circular groove with a larger diameter at the bottom of the other external frame, and can completely insert the two first locking blocks into the first locking grooves, and then the pressing blocks at the two sides are loosened, the pressing block can be pushed to restore to the original position under the action of the extrusion spring, at the moment, the first locking groove can completely limit and lock the first locking block, the upper and lower splicing of the two outer part frames is completed, then, the left and right splicing of the two outer part frames is completed, when the splicing is carried out, a worker only needs to pull the sliding block downwards to enable the sliding chute four of the pulling rod to move downwards and drive the matching rod to move downwards to utilize the ejection column to extrude the compression spring, at the moment, the two second locking blocks can also move downwards along the sliding chute three simultaneously under the movement of the matching rod, then, a cylinder with a larger diameter at the top of the second locking block corresponds to a circular groove with a larger diameter at the left side wall of the other outer part frame, the two second locking blocks can be completely inserted into the second locking grooves, then the sliding block is released, the matching rod can be pushed to restore to the original position under the action of the compression spring, at the moment, the second locking groove can completely limit and lock the second locking block to complete the left and right splicing of the two outer part frames; by adopting the mode, the splicing mode in the prior art is replaced, the effect that two adjacent external frames can be mutually locked after being spliced is ensured to have the same convenient and fast disassembling effect as the prior art, the problem that the stability is poor after splicing and mounting in the prior art is solved, the risk of disassembly of the spliced integral structure during transportation is avoided, the damage of the filter box body and the filter box body is also avoided, and the economic loss is avoided;

the utility model adds a filter element quick-release structure, improves the prior art, improves the internal frame filter screen and the external frame of the prior art into a split structure, and achieves the purpose of saving resources and cost, when the internal frame filter screen of the utility model is used for a period of time and reaches the service life, a worker only needs to grasp the handle to pull towards the left side to drive the sliding plate to enable the connecting column to slide along the sliding groove to the left, then the connecting rod can be driven to move towards the left side together, two pressing pins compress the locking spring towards the left side until the pressing pins can be completely accommodated in the frame body of the external frame, then the left side of the frame filter screen is hooked, the frame filter screen can be taken out of the external frame and replaced, then the handle is loosened, when installing a new frame filter screen, the worker only needs to place the right side of the frame filter screen between the supporting ring and the prepositioning block firstly, then the frame filter screen is loosened to be completely placed on the inner side of the outer frame, the left side of the frame filter screen is abutted against the top of the compression pin and is contacted with the bevel edge of the compression pin, at the moment, a worker only needs to press down the frame filter screen forcibly, the compression pin can be retracted into the outer frame under the action of the bevel edge, when the frame filter screen is pressed to the support ring and is completely separated from the compression pin, the compression pin can be popped out of the outer frame again under the action of the locking spring and compresses and positions the frame filter screen at the bottom, and the replacement is completed. The replacement of the frame filter screen can be completed by one-step operation of workers, and the practicability of the utility model is greatly improved.

Drawings

FIG. 1 is a schematic plan view of the overall structure of the present invention;

FIG. 2 is a schematic view of the external structure of the external frame according to the present invention;

FIG. 3 is a schematic view of the internal structure of the whole body of the present invention;

FIG. 4 is an enlarged view of portion A of FIG. 3 according to the present invention;

FIG. 5 is a schematic view of the construction of the hold down pin of the present invention;

FIG. 6 is a bottom view of the present invention;

FIG. 7 is a schematic diagram of a multi-spliced structure of the present invention.

As shown in the figure: 1-external frame, 2-partition plate, 21-extrusion spring, 22-pressing block, 23-pressing groove, 24-first locking block, 25-chute I, 3-compression box, 31-locking spring, 32-pressing pin, 33-connecting rod, 34-extension plate, 35-connecting column, 36-chute II, 37-sliding plate, 38-handle, 4-spring sleeve, 41-compression spring, 42-top column, 43-chute III, 44-matching rod, 45-second locking block, 46-pulling rod, 47-chute IV, 48-sliding block, 5-supporting ring, 6-pre-positioning block, 7-frame filter screen, 8-first locking groove, 9-second locking groove.

Detailed Description

Example 1

The utility model provides a metal filter screen structure which is characterized by comprising an external frame 1, a support ring 5, a pre-positioning block 6, a frame filter screen 7, an up-down locking structure, a side locking structure and a filter element quick-release structure, wherein the support ring 5 is welded on the side wall of an inner frame of the external frame 1; a frame filter screen 7 is arranged on the front side of the support ring 5; a pre-positioning block 6 is welded on the right side wall of the inner frame of the outer frame 1; the number of the pre-positioning blocks 6 is two; the pre-positioning block 6 is arranged on the front side of the frame filter screen 7; a first locking groove 8 is formed in the right side wall of the outer frame 1; the number of the first locking grooves 8 is two; the first locking groove 8 is a structure with one end provided with a circular groove with a width larger than the groove width; the bottom of the outer frame of the external frame 1 is provided with a second locking groove 9; the number of the second locking grooves 9 is two; the second locking groove 9 has the same structure as the first locking groove 8; a side locking structure is arranged in the frame body of the external frame 1; a filter element quick-release structure is arranged in the frame body of the external frame 1; the filter element quick-release structure is arranged on the left side of the side locking structure; an up-down locking structure is arranged in the frame body of the external frame 1; the upper and lower locking structures are arranged on the upper sides of the side locking structure and the filter element quick-release structure;

the up-down locking structure consists of a clapboard 2, an extrusion spring 21, a pressing block 22 and a first locking block 24, and the clapboard 2 is welded in the upper frame body of the external frame 1; one end of an extrusion spring 21 is welded on the left side wall and the right side wall of the clapboard 2 respectively; one end of a pressing block 22 is welded at the other end of the extrusion spring 21; the left side wall and the right side wall of the outer frame 1 are respectively provided with a pressing groove 23; the other ends of the two pressing blocks 22 extend to the pressing grooves 23 towards the left and the right respectively; one end of a first locking block 24 is welded on the top of each of the two pressing blocks 22; the first locking block 24 is a structure formed by two cylinders with different diameters; the top of the external frame 1 is provided with a first sliding groove 25; the number of the first sliding grooves 25 is two; the other end of the first locking block 24 passes through the first sliding groove 25 and extends to the outer side of the outer frame 1; the first locking block 24 is matched and locked with the first locking groove 8;

the side locking structure consists of a spring sleeve 4, a compression spring 41, a top column 42, a matching rod 44, a second locking block 45, a pulling rod 46 and a sliding block 48, wherein the spring sleeve 4 is arranged at the bottom inside the frame of the external frame 1; one end of a compression spring 41 is welded at the bottom of the spring sleeve 4; one end of a top column 42 is welded at the other end of the compression spring 41; the other end of the top column 42 penetrates through the spring sleeve 4 and extends upwards to be welded with a matching rod 44; the engaging rod 44 is provided inside the right frame body of the outer frame 1; one end of a second locking block 45 is welded to the right side of the matching rod 44; the number of the second locking blocks 45 is two; the structure of the second locking block 45 is the same as that of the first locking block 24; the right side wall of the outer frame 1 is provided with a third sliding chute 43; the number of the third sliding grooves 43 is two; the other ends of the two second locking blocks 45 extend to the right side of the outer frame 1 through the third sliding groove 43; the second locking block 45 is matched and locked with the second locking groove 9; one end of a pulling rod 46 is welded on the front side wall of the matching rod 44; the front side wall of the outer frame of the external frame 1 is provided with a sliding groove IV 47; the other end of the pulling rod 46 passes through the sliding groove IV 47 and extends to the outer side of the external frame 1, and a sliding block 48 is welded on the outer side of the external frame 1;

the filter element quick-release structure consists of a compression box 3, a locking spring 31, a compression pin 32, a connecting rod 33, an extension plate 34, a connecting column 35, a sliding plate 37 and a handle 38, wherein the compression box 3 is welded on the left side wall in the left frame body of the external frame 1; the number of the compression boxes 3 is two; one end of a locking spring 31 is welded inside the two compression boxes 3; one end of a hold-down pin 32 is welded to the other end of the lock spring 31; the other end of the hold-down pin 32 extends to the inner side of the outer end frame through the right side wall of the compression box 3 and the inner frame side wall of the outer frame 1; the pressing pins 32 are in a right-angled trapezoid structure, and the tops of the two pressing pins 32 are connected with connecting rods 33 through bolts; an extension plate 34 is welded on the left side wall of the connecting rod 33; one end of a connecting column 35 is welded on the top of the extension plate 34; the number of the connecting columns 35 is two; the front side wall of the external frame 1 is provided with a second sliding groove 36; the number of the second sliding grooves 36 is two; the two connecting columns 35 respectively penetrate through the second sliding chutes 36 and extend to the front side of the outer frame 1, and sliding plates 37 are welded on the front sides of the two connecting columns; a handle 38 is welded to the front side wall of the slide plate 37.

Example 2

When the utility model is assembled, a worker can firstly install the upper and lower external frames 1, the worker only needs to press the pressing blocks 22 at the left and right sides of the external frames 1 to enable the pressing blocks 22 to push the extrusion springs 21, at the moment, the two first locking blocks 24 can move along the sliding grooves I25 along the opposite inner sides of the pressing blocks 22, when the worker moves to the inner ends of the sliding grooves I25, the cylinders with larger diameters at the tops of the first locking blocks 24 correspond to the circular grooves with larger diameters of the first locking grooves 8 at the bottoms of the other external frames 1, the two first locking blocks 24 can be completely inserted into the first locking grooves 8, then the pressing blocks 22 at the two sides are loosened, the pressing blocks 22 can be pushed to restore to the original positions under the action of the extrusion springs 21, at the moment, the first locking grooves 8 can completely limit and lock the first locking blocks 24, and the up and down assembly of the two external frames is completed, then, the two external frames 1 are spliced left and right, when the splicing is carried out, a worker only needs to pull the sliding block 48 downwards to enable the pull rod 46 and the sliding groove 47 to move downwards, and drives the engaging rod 44 to move downwards to press the compression spring 41 by the top pillar 42, at this time, the two second locking blocks 45 also move downwards along the third sliding slot 43 under the movement of the engaging rod 44, and then the top of the second locking block 45 is a cylinder with a larger diameter, corresponding to the circular groove direction having a larger diameter of the second locking groove 9 of the left sidewall of the other outer frame 1, and the two second locking blocks 45 can be completely inserted into the inside of the second locking groove 9, and then the slider 48 is released, the matching rod 44 is pushed to return to the original position under the action of the compression spring 41, and at the moment, the second locking groove 9 can completely limit and lock the second locking block 45, so that the left and right splicing of the two outer part frames is completed;

when the frame filter screen 7 in the utility model is used for a period of time and reaches the service life, a worker only needs to grasp the handle 38 to pull towards the left side, so that the worker can drive the sliding plate 37 to enable the connecting column 35 to slide leftwards along the second sliding groove 36, at the moment, the connecting rod 33 can be driven to move leftwards along with the connecting column, so that the two pressing pins 32 compress the locking spring 31 leftwards until the pressing pins 32 can be completely accommodated in the frame body of the outer frame 1, then the left side of the frame filter screen 7 is hooked, so that the frame filter screen 7 can be taken out of the outer frame 1 and replaced, then the handle 38 is loosened, when the new frame filter screen 7 is installed, the worker only needs to place the right side of the frame filter screen 7 between the supporting ring 5 and the pre-positioning block 6, then loosen the frame filter screen 7 to be completely placed at the inner side of the outer frame 1, at the moment, the left side of the frame filter screen 7 is propped against the top of the pressing pins 32 and is contacted with the bevel edge of the pressing pins 32, at this moment, the worker only needs to press down the frame filter screen 7 with force, the pressing pin 32 can be made to withdraw the outer frame 1 under the action of the inclined edge, when the frame filter screen 7 presses the support ring 5 and is completely separated from the pressing pin 32, the pressing pin 32 can pop out the outer frame 1 again under the action of the locking spring 31, and the bottom is pressed and positioned on the frame filter screen 7, so that the replacement is completed.

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

Claims

1. A metal filter screen structure is characterized by comprising an external frame, a support ring, a pre-positioning block, a frame filter screen, an upper and lower locking structure, a side locking structure and a filter element quick-release structure, wherein the support ring is welded on the side wall of an inner frame of the external frame; a frame filter screen is arranged on the front side of the support ring; a pre-positioning block is welded on the right side wall of the inner frame of the outer frame; the number of the pre-positioning blocks is two; the pre-positioning block is arranged on the front side of the frame filter screen; a first locking groove is formed in the right side wall of the outer frame; the number of the first locking grooves is two; a second locking groove is formed in the bottom of the outer frame of the external frame; the number of the second locking grooves is two; a side locking structure is arranged inside the frame body of the external frame; a filter element quick-release structure is arranged in the frame body of the external frame; the filter element quick-release structure is arranged on the left side of the side locking structure; an up-down locking structure is arranged in the frame body of the external frame; the upper and lower locking structures are arranged on the upper sides of the side locking structure and the filter element quick-release structure;

the upper and lower locking structure consists of a partition plate, an extrusion spring, a pressing block and a first locking block, and the partition plate is welded inside the upper frame body of the external frame; one end of an extrusion spring is welded on each of the left side wall and the right side wall of the partition plate; one end of the pressing block is welded at the other end of the extrusion spring; the left side wall and the right side wall of the outer frame are respectively provided with a pressing groove; the other ends of the two pressing blocks extend to the pressing grooves towards the left side and the right side respectively; one end of a first locking block is welded to the tops of the two pressing blocks respectively; the top of the external frame is provided with a first sliding groove; the number of the first sliding grooves is two; the other end of the first locking block penetrates through the first sliding groove and extends to the outer side of the outer frame;

the side locking structure consists of a spring sleeve, a compression spring, a top column, a matching rod, a second locking block, a pulling rod and a sliding block, wherein the spring sleeve is arranged at the bottom inside the frame of the external frame; one end of a compression spring is welded at the bottom of the spring sleeve; the other end of the compression spring is welded with one end of the top column; the other end of the top column penetrates through the spring sleeve and extends upwards to be welded with a matching rod; the matching rod is arranged inside the right frame body of the outer frame; one end of a second locking block is welded on the right side of the matching rod; the number of the second locking blocks is two; a third sliding groove is formed in the right side wall of the outer frame; the number of the third sliding grooves is two; the other ends of the two second locking blocks penetrate through the third sliding groove and extend to the right side of the outer frame; one end of a pulling rod is welded on the front side wall of the matching rod; a sliding groove IV is formed in the front side wall of the outer frame of the external frame; the other end of the pulling rod penetrates through the four sliding grooves and extends to the outer side of the external frame, and a sliding block is welded on the outer side of the external frame;

the filter element quick-release structure consists of a compression box, a locking spring, a compression pin, a connecting rod, an extension plate, a connecting column, a sliding plate and a handle, wherein the compression box is welded on the left side wall inside the left frame body of the external frame; the number of the compression boxes is two; one end of a locking spring is welded inside each of the two compression boxes; one end of a pressing pin is welded at the other end of the locking spring; the other end of the compression pin penetrates through the right side wall of the compression box and the inner frame side wall of the outer frame respectively and extends to the inner side of the outer end frame; the tops of the two pressing pins are connected with a connecting rod through bolts; an extension plate is welded on the left side wall of the connecting rod; one end of a connecting column is welded at the top of the extension plate; the number of the connecting columns is two; a second sliding groove is formed in the front side wall of the outer frame; the number of the second sliding grooves is two; the two connecting columns respectively penetrate through the second sliding chute and extend to the front side of the external frame, and a sliding plate is welded on the front side of the external frame; the front side wall of the sliding plate is welded with a handle.

2. The metal filter screen structure according to claim 1, wherein the first locking groove is a structure in which one end is provided with a circular groove with a width larger than the groove width; the second locking groove has the same structure as the first locking groove.

3. A metallic filter screen construction according to claim 1, wherein said first locking piece is a two-piece cylindrical structure of different diameters; the structure of the second locking block is the same as that of the first locking block.

4. A metallic filter construction according to claim 1, wherein said first locking piece is adapted to cooperate with said first locking groove.

5. A metal filter construction according to claim 1, wherein the second locking piece is adapted to be interlocked with the second locking groove.

6. A metal screen construction according to claim 1, wherein the hold down pins are of right angle trapezoidal configuration.