CN115430236A

CN115430236A - Air duct heater convenient for replacing filter screen

Info

Publication number: CN115430236A
Application number: CN202211165394.7A
Authority: CN
Inventors: 陈亮
Original assignee: Yangzhong Xianglong Electrical Appliance Co ltd
Current assignee: Yangzhong Xianglong Electrical Appliance Co ltd
Priority date: 2022-09-23
Filing date: 2022-09-23
Publication date: 2022-12-06

Abstract

The invention discloses an air duct heater convenient for replacing a filter screen, which comprises an air duct heater body, wherein a box body is arranged on one side of the air duct heater body, openings are formed in one sides of the box body, which are adjacent to the air duct heater body, the other side of the box body is also provided with openings, a plurality of filter screen plates matched with the openings are movably arranged in the box body, a driving assembly is arranged on one side, located in the box body, of the plurality of filter screen plates and used for driving the filter screen plates to move so that the filter screen plates slide in the openings, an automatic material pushing assembly is arranged on the other side, located in the box body, of the plurality of filter screen plates and used for automatically pushing the plurality of filter screen plates to move so that one of the filter screen plates is always in contact with the driving assembly. According to the invention, through the matched use of the driving component and the automatic pushing component, the filter screen plate can be rapidly replaced without a bolt dismounting mode.

Description

Air duct heater convenient for replacing filter screen

Technical Field

The invention relates to an air duct heater convenient for replacing a filter screen, and belongs to the technical field of heating equipment.

Background

The air duct electric heater is mainly used for heating required air flow from an initial temperature to a required air temperature which can reach 850 ℃ at most, and is widely applied to many scientific research and production laboratories of aerospace, weapon industry, chemical industry, colleges and universities and the like.

The filter screen can be installed additional to current air duct heater for debris such as prevent dust get into internal damage electric heating pipe, but at every interval, the phenomenon of jam can take place for the filter screen, need follow the air inlet end and pull down the filter screen and clear up or change, and the filter screen passes through the bolt fastening usually in air duct heater, wastes time and energy when the dismouting.

Therefore, it is necessary to provide an air duct heater with a filter screen convenient to replace to solve the above problems.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention aims to provide an air duct heater with a conveniently replaced filter screen, which solves the problems that the conventional air duct heater is usually additionally provided with a filter screen at an air inlet end of the air duct heater in order to prevent impurities such as dust and the like from entering the air duct heater to damage an electric heating pipe, but the filter screen is blocked at intervals, the filter screen needs to be detached from the air inlet end for cleaning or replacement, and the filter screen is usually fixed in the air duct heater through bolts, so that time and labor are wasted during detachment and installation.

In order to achieve the above purpose, the invention adopts the following technical scheme: the utility model provides a conveniently change air duct heater of filter screen, includes the air duct heater body, air duct heater body one side is equipped with the box, the box all is equipped with the opening with the adjacent one side of air duct heater body, the box opposite side also is equipped with the opening, the box internal activity is provided with a plurality ofly and the filter plate board of opening looks adaptation, it is equipped with drive assembly to be located a plurality of filter plate board one sides in the box, drive assembly is used for the drive to filter the filter plate board and removes so that filter plate board slides in the opening, it is equipped with the automatic subassembly that pushes away to lie in a plurality of filter plate board opposite sides in the box, the automatic subassembly that pushes away is used for promoting a plurality of filter plate boards of automation and removes so that one of them filter plate board contacts with drive assembly all the time.

As a preferable scheme of the invention, the driving assembly comprises two rotating shafts, two ends of each rotating shaft are rotatably connected between the upper inner wall and the lower inner wall of the box body through bearings, each rotating shaft is fixedly sleeved with a driving wheel, the two driving wheels are in transmission connection through a belt, gears fixedly sleeved with the rotating shafts are symmetrically arranged on the upper side and the lower side of each driving wheel, two groups of tooth sockets are symmetrically arranged on one side of each filter screen plate, and each two gears are meshed and connected in one group of tooth sockets.

As a preferable scheme of the invention, the bottom end of one of the rotating shafts penetrates through the box body and extends to the outside to be connected with a handle.

As a preferable scheme of the invention, one side of the handle is provided with a side plate connected with the box body, the side plate is in threaded through connection with a screw, and the side wall of the handle is provided with a plurality of positioning holes matched with the screw at equal intervals.

As a preferable scheme of the invention, the automatic material pushing assembly comprises a push rod, a through hole is formed in the side wall of the box body, the push rod is movably connected in the through hole, one end of the push rod penetrates through the through hole and extends into the box body, a push plate is connected with the push rod, a spring is connected between the push plate and the inner side wall of the box body, and the spring is sleeved on the push rod.

As a preferable scheme of the invention, the other end of the push rod penetrates through the through hole and extends to the outside of the box body to be connected with a baffle, and the diameter of the baffle is larger than that of the through hole.

According to a preferable scheme of the invention, the top end of the box body is hinged with a cover plate, the top end of the cover plate is provided with a first fixing plate, the surface of the first fixing plate is provided with a first threaded hole, the top end of the box body is provided with a second fixing plate, the surface of the second fixing plate is provided with a second threaded hole, and the first fixing plate and the second fixing plate are fixedly connected in a mode that bolts penetrate through the first threaded hole and the second threaded hole.

According to a preferable scheme of the invention, a group of limiting plates is arranged on the upper and lower side walls in the air duct heater body, two limiting plates are arranged in each group, and a slideway for a filter screen plate to pass through is formed between the four limiting plates and the inner wall of the air duct heater body.

As a preferable scheme of the invention, a material receiving frame is arranged on one side of the box body, which is far away from the air duct heater body, and a buffer pad is arranged on the surface of the material receiving frame.

In the technical scheme, the invention provides the following technical effects and advantages:

1. according to the invention, the filter screen plate can be rapidly replaced without a bolt dismounting mode through the matched use of the arranged driving assembly and the automatic pushing assembly.

2. The handle that can the person of facilitating the use through setting up operates, makes the screw rod peg graft in the locating hole through rotating the screw rod and fixes the handle to prevent to remove to this internal filter plate of wind channel heater and remove, run through the mode of first screw hole and second screw hole through the bolt with first fixed plate and second fixed plate fixed connection together, can conveniently fix the apron, and make things convenient for the apron to open and shut.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the duct heater body and cabinet of the present invention;

FIG. 3 is a schematic view of the automatic pushing assembly of the present invention;

FIG. 4 is an enlarged view of region A of the present invention.

The meaning of the reference symbols in the figures:

1. an air duct heater body; 11. a limiting plate; 2. a box body; 21. a side plate; 22. a screw; 23. a cover plate; 24. a first fixing plate; 25. a second fixing plate; 3. filtering the screen plate; 31. a tooth socket; 4. a drive assembly; 41. a rotating shaft; 411. a handle; 412. positioning holes; 42. a drive wheel; 43. a gear; 5. an automatic material pushing assembly; 51. a push rod; 52. pushing the plate; 53. a spring; 54. a baffle plate; 6. a material receiving frame; 61. a cushion pad.

Detailed Description

The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

The invention provides an air duct heater convenient for replacing a filter screen, which is shown in figures 1-4 and comprises an air duct heater body 1, wherein a box body 2 is arranged on one side of the air duct heater body 1, openings are formed in one sides of the box body 2 adjacent to the air duct heater body 1, openings are also formed in the other side of the box body 2, a plurality of filter screen plates 3 matched with the openings are movably arranged in the box body 2, a driving assembly 4 is arranged on one side of the plurality of filter screen plates 3 in the box body 2, the driving assembly 4 is used for driving the filter screen plates 3 to move so that the filter screen plates 3 slide in the openings, an automatic material pushing assembly 5 is arranged on the other side of the plurality of filter screen plates 3 in the box body 2, and the automatic material pushing assembly 5 is used for automatically pushing the plurality of filter screen plates 3 to move so that one of the filter screen plates 3 is always in contact with the driving assembly 4.

Drive assembly 4 is including two pivots 41, the both ends of two pivots 41 are all rotated through the bearing and are connected between the inner wall about the box 2, every pivot 41 has all fixedly cup jointed drive wheel 42, connect through belt transmission between two drive wheels 42, the equal symmetry in both sides is equipped with the gear 43 that cup joints with pivot 41 is fixed about every drive wheel 42, every filters 3 one sides of otter board and all symmetries and is equipped with two sets of tooth's sockets 31, every two equal meshing of gear 43 are connected in a set of tooth's socket 31.

The bottom end of one of the rotating shafts 41 penetrates through the box body 2 and extends to the outside to be connected with a handle 411, and the handle 411 is arranged to facilitate operation of a user.

Handle 411 one side is equipped with the curb plate 21 of being connected with box 2, and curb plate 21 screw thread through connection has screw rod 22, and the lateral wall of handle 411 is equidistant to be equipped with a plurality of locating holes 412 with screw rod 22 looks adaptation, makes screw rod 22 peg graft in locating hole 412 through rotating screw rod 22 and fixes handle 411 to prevent to move to the filter screen board 3 removal in the air duct heater body 1.

Automatic material pushing component 5 is equipped with the through-hole including

push rod

51, 2 lateral walls of box, and push rod 51 swing joint is in the through-hole, and push rod 51 one end runs through the through-hole and extends to 2 internal connection of box have a push pedal 52, is connected with spring 53 between push pedal 52 and the 2 inside walls of box, and spring 53 cup joints in push rod 51.

The other end of the push rod 51 penetrates through the through hole and extends to the outside of the box body 2, a baffle 54 is connected to the other end of the push rod 51, the diameter of the baffle 54 is larger than that of the through hole, and the push rod 51 can be prevented from moving beyond a proper range through the arranged baffle 54.

2 top of box articulates there is apron 23, apron 23 top is equipped with first fixed plate 24, first screw hole has been seted up on first fixed plate 24 surface, 2 tops of box are equipped with second fixed plate 25, second screw hole has been seted up on second fixed plate 25 surface, run through the mode fixed connection of first screw hole and second screw hole through the bolt between first fixed plate 24 and the second fixed plate 25, run through the mode of first screw hole and second screw hole through the bolt with first fixed plate 24 and second fixed plate 25 fixed connection together, can conveniently fix apron 23, and make things convenient for apron 23 to open and shut.

Lateral wall all is equipped with a set of limiting plate 11 about the air duct heater body 1 is inside, and every limiting plate 11 of group all is equipped with two, is formed with the slide that supplies filter plate 3 to pass through between four limiting plates 11 and the 1 inner wall of air duct heater body, can make filter plate 3 more stable smooth and easy when moving into air duct heater body 1 through the slide that sets up.

The box 2 is kept away from wind channel heater body 1 one side and is equipped with and connects material frame 6, connects material frame 6 surface to be equipped with blotter 61, connects material frame 6 through setting up and can be used for accepting the filter screen board 3 that shifts out from in the box 2, and the blotter 61 of setting can avoid filtering screen board 3 and connect material frame 6 to collide and produce great sound, and avoids filtering screen board 3 and is collided with badly.

The working principle of the invention is as follows:

referring to the attached drawings 1-4 of the specification, when the filter screen plate 3 needs to be replaced, a user rotates the screw 22 to move the screw 22 out of the positioning hole 412, then the rotating handle 411 drives one of the rotating shafts 41 to rotate, the driving wheel 42 on one of the rotating shafts 41 drives the driving wheel 42 on the other rotating shaft 41 to rotate through a belt, so as to drive the other rotating shaft 41 to rotate, the two rotating shafts 41 rotate simultaneously, the gears 43 on the two rotating shafts 41 drive the filter screen plate 3 to move in a manner of being meshed with the tooth grooves 31, the filter screen plate 3 moves into the box body 2 from the air channel heater body 1, then moves out of an opening on the other side of the box body 2 and falls on the receiving frame 6, meanwhile, under the action of the spring 53, the push plate 52 drives the remaining filter screen plate 3 in the box body 2 to move, so that the gear 43 is meshed with the tooth grooves 31 of the filter screen plate 3 closest to the driving assembly 4, then reverses the handle 411, and drives the filter screen plate 3 to move in a manner of being meshed with the tooth grooves 31 through the gear 43, so that the filter screen plate 3 moves into the air channel heater body 1, and the filter screen plate 3 can be replaced quickly without disassembling and disassembling bolts.

Referring to the attached drawings 1-4 of the specification, when the device is used, the handle 411 can be operated conveniently by a user by rotating the screw 22, the screw 22 is inserted into the positioning hole 412 to fix the handle 411, so that the filter screen plate 3 moving into the air duct heater body 1 is prevented from moving, the moving distance of the push rod 51 can be prevented from exceeding a proper range by the arranged baffle 54, the first fixing plate 24 and the second fixing plate 25 are fixedly connected together by a mode that bolts penetrate through the first threaded hole and the second threaded hole, the cover plate 23 can be conveniently fixed, the cover plate 23 is convenient to open and close, the filter screen plate 3 can be more stably and smoothly moved into the air duct heater body 1 by the arranged slide way, the filter screen plate 3 moved out of the box body 2 can be received by the arranged receiving frame 6, the arranged buffer cushion 61 can prevent the filter screen plate 3 from colliding with the receiving frame 6 to generate large sound, and prevent the filter screen plate 3 from being damaged.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a conveniently change air duct heater of filter screen, includes air duct heater body (1), its characterized in that: the air channel heater is characterized in that a box body (2) is arranged on one side of the air channel heater body (1), openings are formed in the box body (2) and the adjacent side of the air channel heater body (1), openings are formed in the other side of the box body (2), a plurality of filter screen plates (3) matched with the openings are movably arranged in the box body (2), a driving assembly (4) is arranged on one side of the plurality of filter screen plates (3) in the box body (2), the driving assembly (4) is used for driving the filter screen plates (3) to move so that the filter screen plates (3) slide in the openings, an automatic material pushing assembly (5) is arranged on the other side of the plurality of filter screen plates (3) in the box body (2), and the automatic material pushing assembly (5) is used for automatically pushing the plurality of filter screen plates (3) to move so that one of the filter screen plates (3) is always contacted with the driving assembly (4).

2. The air duct heater convenient for replacing the filter screen according to claim 1, characterized in that: drive assembly (4) are including two pivot (41), two the both ends of pivot (41) are all rotated through the bearing and are connected between box (2) upper and lower inner wall, every pivot (41) are all fixed the cup joint have drive wheel (42), two connect through belt transmission between drive wheel (42), every drive wheel (42) upper and lower both sides symmetry is equipped with gear (43) that fixedly cup joints with pivot (41), and every filters the equal symmetry in otter board (3) one side and is equipped with two sets of tooth's socket (31), every two equal joggle joint in a set of tooth's socket (31) gear (43).

3. The air duct heater convenient for replacing the filter screen according to claim 2, characterized in that: the bottom end of one of the rotating shafts (41) penetrates through the box body (2) and extends to the outside to be connected with a handle (411).

4. The air duct heater convenient for replacing the filter screen of claim 3, wherein: handle (411) one side is equipped with curb plate (21) of being connected with box (2), curb plate (21) screw thread through connection has screw rod (22), handle (411) lateral wall equidistant be equipped with a plurality of locating holes (412) with screw rod (22) looks adaptation.

5. The air duct heater convenient for replacing the filter screen according to claim 1, characterized in that: automatic material pushing component (5) is including push rod (51), box (2) lateral wall is equipped with the through-hole, push rod (51) swing joint is in the through-hole, push rod (51) one end runs through the through-hole and extends to box (2) internal connection has push pedal (52), be connected with spring (53) between push pedal (52) and box (2) inside wall, spring (53) cup joint in push rod (51).

6. The air duct heater convenient for replacing the filter screen of claim 5, wherein: the other end of the push rod (51) penetrates through the through hole and extends to the outside of the box body (2) to be connected with a baffle (54), and the diameter of the baffle (54) is larger than that of the through hole.

7. The air duct heater convenient for replacing the filter screen according to claim 1, characterized in that: the top end of the box body (2) is hinged to a cover plate (23), a first fixing plate (24) is arranged on the top end of the cover plate (23), a first threaded hole is formed in the surface of the first fixing plate (24), a second fixing plate (25) is arranged on the top end of the box body (2), a second threaded hole is formed in the surface of the second fixing plate (25), and the first fixing plate (24) and the second fixing plate (25) are fixedly connected in a mode that the first threaded hole and the second threaded hole are penetrated through bolts.

8. The air duct heater convenient for replacing the filter screen of claim 1, wherein: lateral wall all is equipped with a set of limiting plate (11) about wind channel heater body (1) is inside, and every limiting plate (11) of group all is equipped with two, four be formed with the slide that supplies to filter screen board (3) to pass through between limiting plate (11) and wind channel heater body (1) inner wall.

9. The air duct heater convenient for replacing the filter screen according to claim 1, characterized in that: one side, far away from the air duct heater body (1), of the box body (2) is provided with a material receiving frame (6), and the surface of the material receiving frame (6) is provided with a cushion pad (61).