CN211611944U

CN211611944U - Filter screen

Info

Publication number: CN211611944U
Application number: CN201922176736.5U
Authority: CN
Inventors: 张容责
Original assignee: Pujiang Hengsheng Chemical Fiber Special Parts Co ltd
Current assignee: Pujiang Hengsheng Chemical Fiber Special Parts Co ltd
Priority date: 2019-12-07
Filing date: 2019-12-07
Publication date: 2020-10-02
Anticipated expiration: 2029-12-07

Abstract

The utility model discloses a filter screen aims at solving the problem that separation grafting piece and inserting groove are wasted time and energy. The key points of the technical scheme are as follows: the utility model provides a filter screen, include the filter screen body and cup joint the outside frame at the filter screen body, the frame is located the four corners department of filter screen body wire side one end and is equipped with the grafting piece, the other end four corners department of frame is equipped with the inserting groove, the grafting piece, the cooperation of pegging graft in inserting groove, the constant head tank has been seted up on the lateral wall of inserting groove, be equipped with the fixture block in the constant head tank, the fixture block is connected through the tank bottom of first spring with the constant head tank, and first spring is in the shrink state, be equipped with the movable block in the inserting groove, the movable block passes. The utility model discloses a cooperation between fixture block and the draw-in groove realizes being connected of inserting groove and grafting piece, utilizes drive arrangement to make fixture block and draw-in groove separation simultaneously to realize the separation of inserting groove and grafting piece, easy operation, labour saving and time saving.

Description

Filter screen

Technical Field

The utility model relates to a filter equipment, more specifically say, it relates to a filter screen.

Background

The filtering net, called filtering net for short, is made up by using metal wire meshes with different meshes through a certain processing process, and its functions are to filter molten material flow and increase material flow resistance so as to filter out mechanical impurity and raise mixing or plasticizing effect.

An air filter screen disclosed in chinese patent publication No. CN209549010U, comprising a filter screen assembly and a frame, wherein the filter screen assembly is clamped inside the frame, four corners of one end surface of the filter screen surface of the frame are provided with insertion blocks, four corners of the other end surface of the filter screen surface are provided with insertion grooves, the frame and the frame are in insertion fit with the insertion grooves through the insertion blocks, the frame is provided with through holes communicated with the insertion grooves, axial directions of the through holes are perpendicular to axial directions of the insertion grooves, the through holes are connected with insertion rods in a sliding manner, the surfaces of the insertion blocks are provided with insertion grooves having cross sections identical to that of the insertion rods, and the frame is provided with a driving member for driving the insertion rods to move and fix the insertion rods after moving. This scheme utilizes the screw rod drive inserted bar to remove, can be so that installation or separation between two frames, and then can make the filter screen can superpose or reduce, consequently, can assemble out the filter screen structure of different thickness on the scene to satisfy the demand of different suitable occasions.

Above-mentioned scheme utilizes the auto-lock characteristic of screw thread to realize the fixed of inserted bar and slot, and the fastness in order to guarantee to connect during the installation need be screwed up the turning block, and this just leads to operating personnel need spend great strength to rotate the turning block when dismantling, just can make inserted bar and slot separation, wastes time and energy.

Therefore, a new solution is needed to solve this problem.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a filter screen realizes being connected of inserting groove and grafting piece through the cooperation between fixture block and the draw-in groove, utilizes drive arrangement to make fixture block and draw-in groove separation simultaneously to realize the separation of inserting groove and grafting piece, easy operation, labour saving and time saving.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a filter screen, includes filter screen body and cup joints the outside frame at filter screen body, the frame is located the four corners department of filter screen body wire side one end and is equipped with the grafting piece, the other end four corners department of frame is equipped with the inserting groove, grafting piece, inserting groove peg graft the cooperation, the constant head tank has been seted up on the lateral wall of inserting groove, be equipped with the fixture block in the constant head tank, the fixture block is connected with the tank bottom of constant head tank through first spring, just first spring is in the shrink state, be equipped with the movable block in the inserting groove, the movable block passes through the second spring and is connected with the tank bottom of inserting groove, just the movable block is contradicted the fixture block in the constant head tank, be equipped with the draw-in groove that uses with the fixture block cooperation on.

By adopting the technical scheme, the inserting block is inserted into the inserting groove, the inserting block forces the moving block to move towards the inner side of the inserting groove, the second spring contracts, the fixture block is abutted in the positioning groove by the moving block, and the first spring is in a contracted state, so when the moving block and the fixture block are separated from each other, the first spring elastically deforms to push the fixture block to move towards one side away from the positioning groove and to make the fixture block and the inserting block contact with each other, and because the inserting block is provided with the clamping groove matched with the fixture block, when the clamping groove on the inserting block moves to the position corresponding to the fixture block, the fixture block is embedded into the clamping groove, thereby realizing the connection of the inserting block and the inserting groove, if necessary, the inserting block and the inserting groove are separated from each other, the fixture block is moved towards the inner side of the positioning groove by using the driving device, when the fixture block and the clamping groove are separated, the contracted second spring elastically, the splicing block is also pushed by the moving block, moves towards one side far away from the moving groove, and then the splicing block is pulled out of the splicing groove, so that the operation is convenient, time and labor are saved, the filter screen body takes polypropylene as a main raw material, an extrusion molding process is adopted, flame-retardant components, a sizing agent and a color master agent are added in the extrusion process, the sizing property of the filter screen body under high-temperature flame retardance and high-temperature environment is improved, the product characteristics and safety are improved, and the problems of embrittlement, breakage or hardening and film breaking which easily occur under the low-temperature condition can be effectively prevented.

The utility model discloses further set up to: the driving device comprises a moving rod, the moving rod penetrates through the frame to the inside of the positioning groove and is fixedly connected with the side wall of the clamping block, the length direction of the moving rod is perpendicular to the axial direction of the insertion groove, and the frame is provided with a moving groove for the moving rod to move.

Through adopting above-mentioned technical scheme, owing to set up the shifting chute that supplies the carriage release lever to remove on the frame, consequently can promote the carriage release lever to remove, because the lateral wall fixed connection of carriage release lever and fixture block, consequently the fixture block also removes towards the constant head tank inboard to extrude first spring, loosen the carriage release lever, elastic deformation takes place for first spring, and drive fixture block moves towards keeping away from constant head tank one side.

The utility model discloses further set up to: and one end of the movable rod, which is far away from the clamping block, is positioned in the movable groove.

By adopting the technical scheme, the situation that the fixture block is separated from the clamping groove due to the fact that the movable rod is touched unintentionally is avoided.

The utility model discloses further set up to: the both ends fixedly connected with slider of fixture block, the spout has been seted up on the lateral wall of constant head tank, the slider inlays the inside of spout.

Through adopting above-mentioned technical scheme, be connected through slider and spout between fixture block and the constant head tank, made things convenient for the fixture block to remove in the constant head tank on the one hand, on the other hand can avoid removing the in-process fixture block and break away from the constant head tank.

The utility model discloses further set up to: the side wall of the moving block is attached to the side wall of the insertion groove.

Through adopting above-mentioned technical scheme, self slope when avoiding removing the piece and removing leads to the unable accurate card of the fixture block in the constant head tank to go into the draw-in groove, makes fixture block and draw-in groove be connected firmly inadequately.

The utility model discloses further set up to: the insertion block is detachably connected with the frame.

Through adopting above-mentioned technical scheme, after the filter screen body superposes each other, can rotate unnecessary grafting piece and pull down, reduce the space that occupies.

The utility model discloses further set up to: one side of the insertion groove, which is close to the opening, is provided with a rubber pad.

Through adopting above-mentioned technical scheme, the rubber pad has certain elasticity, and the rubber pad receives the extrusion to take place elastic deformation when grafting piece is connected with the inserting groove to can apply an effort for grafting piece, improve the fastness when grafting piece is connected with the inserting groove.

The utility model discloses further set up to: the lateral wall of the insertion groove is provided with a groove, and the rubber pad is embedded in the groove.

Through adopting above-mentioned technical scheme, improved the stability that the rubber pad was installed on the inserting groove to the stability of rubber pad during operation has been improved.

To sum up, the utility model discloses following beneficial effect has:

the connection between the inserting groove and the inserting block is realized through the matching between the clamping block and the clamping groove, and the clamping block is separated from the clamping groove by utilizing the driving device, so that the separation between the inserting groove and the inserting block is realized, the operation is simple, and the time and the labor are saved;

and secondly, the filter screen body takes polypropylene as a main raw material, an extrusion molding process is adopted, and a flame-retardant component, a setting agent and a color master batch are added in the extrusion process, so that the setting performance of the filter screen body in high-temperature flame retardance and high-temperature environment is improved, the product characteristics and safety are improved, and the problems of embrittlement, cracking or hardening and film breaking which are easily caused under the low-temperature condition can be effectively prevented.

Drawings

Fig. 1 is a schematic external structural view of the present invention, showing the external structural features of the filter screen;

fig. 2 is a schematic view of the internal structure of the present invention, showing the internal structural features of the insertion block after being connected with the insertion groove;

FIG. 3 is a schematic view of the internal structure of the present invention, showing the internal structural features of the filter screen;

fig. 4 is an enlarged view of a portion a of fig. 2, showing internal structural features of the cartridge not connected to the card slot;

fig. 5 is an enlarged view of a portion B of fig. 2, showing an internal structural feature when the latch is coupled to the latch groove.

In the figure: 1. a filter screen body; 2. a frame; 3. an insertion block; 4. inserting grooves; 5. positioning a groove; 6. a clamping block; 7. a first spring; 8. a moving block; 9. a second spring; 10. a card slot; 11. a travel bar; 12. a moving groove; 13. a slider; 14. a chute; 15. and (7) a rubber pad.

Detailed Description

In order to make the technical solutions of the present invention better understood, the following detailed description of the present invention is provided with reference to the accompanying drawings and specific embodiments, and it should be noted that the embodiments and features of the embodiments of the present invention can be combined with each other without conflict.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

A filter screen, as shown in figures 1-5, comprises a filter screen body 1 and a frame 2 sleeved outside the filter screen body 1, wherein the frame 2 is provided with an inserting block 3 at the four corners of one end of the screen surface of the filter screen body 1, an inserting groove 4 is provided at the four corners of the other end of the frame 2, the inserting block 3 and the inserting groove 4 are inserted and matched, a positioning groove 5 is provided on the side wall of the inserting groove 4, a clamping block 6 is provided in the positioning groove 5, the clamping block 6 is connected with the bottom of the positioning groove 5 through a first spring 7, the first spring 7 is in a contracted state, the two ends of the fixture block 6 are fixedly connected with the sliding blocks 13, the side wall of the positioning groove 5 is provided with the sliding groove 14, the sliding blocks 13 are embedded in the sliding grooves 14, and the fixture block 6 and the positioning groove 5 are connected through the sliding blocks 13 and the sliding grooves 14, so that the fixture block 6 can move in the positioning groove 5 conveniently on one hand, and the fixture block 6 can be prevented from being separated from the positioning groove 5 in the moving process on the other hand; a moving block 8 is arranged in the insertion groove 4, the moving block 8 is connected with the bottom of the insertion groove 4 through a second spring 9, the clamping block 6 is abutted to the positioning groove 5 through the moving block 8, the side wall of the moving block 8 is mutually attached to the side wall of the insertion groove 4, and the situation that the clamping block 6 in the positioning groove 5 cannot be accurately clamped into the clamping groove 10 due to the fact that the moving block 8 inclines when moving is avoided, and the clamping block 6 is not firmly connected with the clamping groove 10;

the inserting block 3 is provided with a clamping groove 10 matched with the clamping block 6 for use, the frame 2 is provided with a driving device for driving the clamping block 6 to move, the driving device comprises a moving rod 11, the moving rod 11 penetrates through the frame 2 to the inside of the positioning groove 5 and is fixedly connected with the side wall of the clamping block 6, the length direction of the moving rod 11 is mutually vertical to the axial direction of the inserting groove 4, the frame 2 is provided with a moving groove 12 for the moving rod 11 to move, the inserting block 3 is inserted into the inserting groove 4, the inserting block 3 forces the moving block 8 to move towards the inner side of the inserting groove 4, the second spring 9 contracts, because the moving block 8 props the clamping block 6 against the positioning groove 5, and the first spring 7 is in a contraction state, when the moving block 8 is separated from the clamping block 6, the first spring 7 generates elastic deformation to push the clamping block 6 to move towards the side far away from the positioning groove 5, because the inserting block 3 is provided with the clamping groove 10 matched with the clamping block 6 for use, when the clamping groove 10 on the inserting block 3 moves to a position corresponding to the clamping block 6, the clamping block 6 is embedded into the clamping groove 10, so that the inserting block 3 is connected with the inserting groove 4, if necessary, the inserting block 3 is separated from the inserting groove 4, the moving rod 11 is pushed, because the frame 2 is provided with the moving groove 12 for the moving rod 11 to move, the moving rod 11 can be pushed to move towards the inner side of the positioning groove 5, because the moving rod 11 is fixedly connected with the side wall of the clamping block 6, the clamping block 6 also moves towards the inner side of the positioning groove 5, when the clamping block 6 is separated from the clamping groove 10, the contracted second spring 9 generates elastic deformation to push the moving block 8 to move towards the side far away from the moving groove 12, the inserting block 3 also moves towards the side far away from the moving groove 12 under the push of the moving block 8, and then the inserting block 3 is pulled out of the, the operation is convenient, and time and labor are saved;

one end of the movable rod 11, which is far away from the clamping block 6, is positioned in the movable groove 12, so that the situation that the clamping block 6 is separated from the clamping groove 10 due to the fact that the movable rod 11 is touched unintentionally is avoided;

the splicing blocks 3 are detachably connected with the frame 2 and can adopt threaded connection, and after the filter screen bodies 1 are mutually overlapped, redundant splicing blocks 3 can be rotationally dismounted, so that the occupied space is reduced; inserting groove 4 is close to its opening one side and is equipped with rubber pad 15, rubber pad 15 has certain elasticity, rubber pad 15 receives the extrusion to take place elastic deformation when inserting piece 3 is connected with inserting groove 4 to can apply 3 effort of inserting piece, improve the fastness when inserting piece 3 is connected with inserting groove 4, set up flutedly on inserting groove 4's the lateral wall, rubber pad 15 inlays in the recess, improved the stability of rubber pad 15 installation on inserting groove 4, thereby improved the stability of rubber pad 15 during operation.

When the utility model is used normally, firstly, the frame 2 is sleeved on the filter screen body 1, the filter screen body 1 takes polypropylene as a main raw material, an extrusion molding process is adopted, and flame-retardant components, a setting agent and a color master agent are added in the extrusion process, so that the setting performance of the filter screen body 1 in high-temperature flame retardance and high-temperature environment is improved, the product characteristics and safety are improved, and the problems of embrittlement, cracking or hardening and film breaking which easily occur under the low-temperature condition can be effectively prevented; then the inserting block 3 on one frame 2 is inserted into the inserting groove 4 on the other frame 2, the inserting block 3 forces the moving block 8 to move towards the inner side of the inserting groove 4, the second spring 9 contracts, because the moving block 8 pushes the fixture block 6 in the positioning groove 5, and the first spring 7 is in a contracted state, when the moving block 8 is separated from the fixture block 6, the first spring 7 elastically deforms to push the fixture block 6 to move towards the side away from the positioning groove 5, and the fixture block 6 is contacted with the inserting block 3, because the inserting block 3 is provided with the clamping groove 10 matched with the fixture block 6, when the clamping groove 10 on the inserting block 3 moves to the position corresponding to the fixture block 6, the fixture block 6 is embedded into the clamping groove 10, thereby realizing the connection of the inserting block 3 and the inserting groove 4, if the inserting block 3 is separated from the inserting groove 4, the moving rod 11 is pushed, because the frame 2 is provided with the moving groove 12 for the moving rod 11 to move, consequently can promote the removal of movable rod 11 towards 5 insides of constant head tank, because the lateral wall fixed connection of movable rod 11 and fixture block 6, consequently fixture block 6 also removes towards 5 insides of constant head tank, when fixture block 6 separates with draw-in groove 10, elastic deformation takes place for the second spring 9 of shrink, promote movable block 8 towards keeping away from 12 one sides of movable groove and remove, grafting piece 3 is also under the promotion of movable block 8, 12 one side removal of movable groove is kept away from to the orientation, later will plug block 3 extract grafting groove 4 can, therefore, the operation is convenient, time saving and labor saving.

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 filter screen, includes filter screen body (1) and cup joints frame (2) in filter screen body (1) outside, frame (2) are located the four corners department of filter screen body (1) wire side one end and are equipped with grafting piece (3), the other end four corners department of frame (2) is equipped with inserting groove (4), grafting piece (3), inserting groove (4) cooperation of pegging graft, its characterized in that: the improved structure of the connector comprises a positioning groove (5) formed in the side wall of the insertion groove (4), a clamping block (6) is arranged in the positioning groove (5), the clamping block (6) is connected with the bottom of the positioning groove (5) through a first spring (7), the first spring (7) is in a contraction state, a moving block (8) is arranged in the insertion groove (4), the moving block (8) is connected with the bottom of the insertion groove (4) through a second spring (9), the clamping block (6) is abutted to the moving block (8) in the positioning groove (5), a clamping groove (10) matched with the clamping block (6) for use is formed in the insertion block (3), and a driving device for driving the clamping block (6) to move is arranged on the frame (2).

2. A filter screen according to claim 1, wherein: the driving device comprises a moving rod (11), the moving rod (11) penetrates through the frame (2) to the inside of the positioning groove (5) and is fixedly connected with the side wall of the clamping block (6), the length direction of the moving rod (11) is perpendicular to the axial direction of the insertion groove (4), and a moving groove (12) for the moving rod (11) to move is formed in the frame (2).

3. A filter screen according to claim 2, wherein: one end of the movable rod (11) far away from the fixture block (6) is positioned in the movable groove (12).

4. A filter screen according to claim 1, wherein: the two ends of the clamping block (6) are fixedly connected with sliding blocks (13), sliding grooves (14) are formed in the side walls of the positioning grooves (5), and the sliding blocks (13) are embedded in the sliding grooves (14).

5. A filter screen according to claim 1, wherein: the side wall of the moving block (8) is attached to the side wall of the insertion groove (4).

6. A filter screen according to claim 1, wherein: the insertion block (3) is detachably connected with the frame (2).

7. A filter screen according to claim 1, wherein: one side of the insertion groove (4) close to the opening thereof is provided with a rubber pad (15).

8. A filter screen according to claim 7, wherein: the side wall of the insertion groove (4) is provided with a groove, and the rubber pad (15) is embedded in the groove.