Air heater capable of filtering

Abstract

The air heater comprises a heating shell, a maintenance plate is fixedly arranged at the top of the heating shell, four fixing bolts are connected to the top of the maintenance plate in a threaded mode, one end of each fixing bolt penetrates out of the maintenance plate, and the other end of each fixing bolt penetrates out of the maintenance plate. Four threaded grooves matched with the fixing bolts are formed in the top of the heating shell, a plurality of ventilation holes are formed in the outer surface wall of one side of the heating shell, the outer surface wall of one side of the heating shell is fixedly communicated with a ventilation pipeline, a power source connecting piece is fixedly arranged in the heating shell, and the power source connecting piece is fixedly connected with the heating shell. A plurality of electric heating pipes are fixedly installed at the bottom of the power source connecting piece, and a protection mechanism is fixedly arranged in the heating shell. According to the air heater, the problem that an added filtering structure of an existing air heater is inconvenient to disassemble, assemble and clean is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to air heater technical field, concretely is an air heater that can filter. BACKGROUND

[0002] The air heater produces heat through the stainless steel electric heating pipe, the electric heating pipe is internally provided with an electric heating wire, the electric heating wire generates heat after electrification, the heat is conducted to the surface of the heating pipe through magnesium oxide powder, and is then transmitted to the heated air, the inner cavity of the heater is provided with a plurality of baffle plates, the air flow is guided, the residence time of the air in the heater is prolonged, and thus the heat exchange efficiency is improved, the air heater is widely applied to various air heating occasions, especially in melt-blowing process, the air heater is used for heating compressed air, ensures that the melt-blowing die assembly works at a suitable temperature, in addition, the air heater is also used for air preheating and reheating in the ventilation and air conditioning system to meet different temperature control requirements.

[0003] In current social life, the existing air heater is usually provided with a filter structure during use to prevent foreign matters and dust in the environment from polluting the surface of the electric heating pipe, so that the electric heating pipe heats the gas unevenly and the efficiency of the heated gas is affected, however, the air heater provided with the filter structure is inconvenient to disassemble and clean the added filter structure after being used for a period of time, and therefore a filterable air heater is required. UTILITY MODEL CONTENTS

[0004] In view of the defects of the prior art, the utility model provides an air heater which can filter, and solves the problem that the existing air heater is inconvenient to disassemble and clean the added filter structure.

[0005] To achieve the above object, the utility model is realized by the following technical scheme: an air heater which can filter, comprising a heating shell, a maintenance plate is fixedly arranged at the top of the heating shell, four fixing bolts are threadedly connected to the top of the maintenance plate, one end of the fixing bolts penetrates to the outside of the maintenance plate, four thread grooves which are matched with the fixing bolts are formed in the top of the heating shell, a plurality of ventilation holes are formed in the outer wall of one side of the heating shell, a ventilation pipeline is fixedly connected to the outer wall of one side of the heating shell, a power connection piece is fixedly arranged in the heating shell, a plurality of electric heating pipes are fixedly arranged at the bottom of the power connection piece, and a protection mechanism is fixedly arranged in the heating shell.

[0006] Preferably, the protection mechanism comprises a fixed frame, a protection net is fixedly connected between the inner walls of the two sides of the fixed frame, a handle is fixedly connected to the top of the fixed frame, a clamping plate is fixedly connected to the bottom of the fixed frame, and a clamping groove which is matched with the clamping plate is formed in the bottom surface of the heating shell.

[0007] Preferably, the top of the fixed frame is rotatably connected with two movable rods, the top of each of the two movable rods is fixedly connected with a limiting plate, and the top of each of the two limiting plates is provided with a fixing hole.

[0008] Preferably, the inner side walls of the two sides of the heating shell are provided with grooves, the two sides of each of the two grooves are slidably connected with an L-shaped movable plate, and the bottom of each of the two L-shaped movable plates is fixedly connected with a fixing rod matched with the fixing hole.

[0009] Preferably, the inner side walls of the two sides of the groove are provided with a sliding groove, the inner side of each of the two sliding grooves is slidably connected with a sliding block, and one end of the sliding block is fixedly connected with the outer side wall of one side of the L-shaped movable plate.

[0010] Preferably, the top of each of the two L-shaped movable plates is fixedly connected with a plurality of reset springs, and one end of each of the reset springs is fixedly connected with the inner side wall of one side of the groove.

[0011] Beneficial effects

[0012] The utility model provides a filterable air heater. Compared with the prior art, the following beneficial effects are achieved:

[0013] (1), this air heater with filtering function, when using, staff can insert the clamping plate of fixed frame bottom to the clamping groove in the heating shell, then staff can move the limiting plate, and the limiting plate will be under the action of movable rod and be active, make the one end of limiting plate insert in the groove, after staff can insert the fixing rod of L type movable plate bottom to the fixed hole on the limiting plate, thereby limiting the limiting plate in the groove, thereby complete the fixing of fixed frame with protective net in the heating shell, when the outside air enters the heating shell through the ventilation hole, will receive the double interception of ventilation hole and protective net, prevent the outside sundries dust from causing the pollution to the surface of electric heating pipe.

[0014] (2), this air heater with filtering function, when using, staff can rotate fixed bolt, and remove the maintenance plate from the top of heating shell, after staff can lift the L type movable plate in the groove, make L type movable plate with fixing rod move, and take out the fixing rod from the fixed hole, convenient for moving the limiting plate in the groove back to the top of fixed frame, after staff can lift the fixed frame through the handle, thereby taking out the fixed frame with protective net from the heating shell, realize the dismounting replacement of protective mechanism in the heating shell. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the front view structure schematic diagram of the utility model;

[0016] Figure 2 It is internal structure schematic view of the utility model;

[0017] Figure 3 It is internal structure schematic view of the utility model Figure 2 It is the local structure enlarged view of A place in the middle;

[0018] Figure 4 It is internal structure schematic view of the utility model Figure 2 It is the local structure enlarged view of B place in the middle.

[0019] In the drawing: 1-heating shell, 2-protection mechanism, 11-inspection plate, 12-fixed bolt, 13-threaded slot, 14-vent hole, 15-ventilation duct, 16-power connection piece, 17-electric heating tube, 18-clamping groove, 19-groove, 21-fixed frame, 22-lifting handle, 23-clamping plate, 24-movable rod, 25-limiting plate, 26-L-shaped movable plate, 27-return spring, 191-sliding slot, 192-sliding block, 211-protection net, 251-fixed hole, 261-fixed rod. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0021] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: a filterable air heater, including heating shell 1, the top of heating shell 1 is fixedly provided with inspection plate 11, the top of inspection plate 11 is screw-connected with four fixed bolts 12, and one end of fixed bolt 12 penetrates to the outside of inspection plate 11, the top of heating shell 1 is provided with four threaded slots 13 compatible with fixed bolt 12, the outside wall of one side of heating shell 1 is provided with several vent holes 14, the specification of vent hole 14 is according to actual situation, can intercept larger sundries outside, the outside wall of one side of heating shell 1 is fixedly connected with vent duct 15, power connection piece 16 is fixedly arranged in the inside of heating shell 1, several electric heating tubes 17 are fixedly installed in the bottom of power connection piece 16, the specification of electric heating tube 17 is according to actual situation, protection mechanism 2 is fixedly arranged in the inside of heating shell 1.

[0022] The protection mechanism 2 comprises a fixed frame 21, the inner walls of the two sides of the fixed frame 21 are fixedly connected with a protection net 211, the specification of the protection net 211 is determined according to the actual situation, and the protection net 211 can intercept dust and the like, the top of the fixed frame 21 is fixedly connected with a handle 22, the handle 22 facilitates workers to pull the fixed frame 21, the bottom of the fixed frame 21 is fixedly connected with a clamping plate 23, the inner bottom surface of the heating shell 1 is provided with a clamping groove 18 matched with the clamping plate 23, the top of the fixed frame 21 is rotatably connected with two movable rods 24, the top ends of the two movable rods 24 are fixedly connected with limiting plates 25, the top of the two limiting plates 25 is provided with fixed holes 251, the inner walls of the two sides of the heating shell 1 are provided with grooves 19, the inner walls of the two sides of the two grooves 19 are slidably connected with L-shaped movable plates 26, and the bottom of the two L-shaped movable plates 26 is fixedly connected with fixed rods 261 matched with the fixed holes 251.

[0023] The inner walls of the two sides of the groove 19 are provided with sliding grooves 191, the interiors of the two sliding grooves 191 are slidably connected with sliding blocks 192, one end of the sliding block 192 is fixedly connected with one side of the outer wall of the L-shaped movable plate 26, the top of the two L-shaped movable plates 26 is fixedly connected with a plurality of reset springs 27, one end of the reset spring 27 is fixedly connected with one side of the inner wall of the groove 19, the elastic coefficient of the reset spring 27 is determined according to the actual situation, the reset spring 27 can be replaced, and the contents not described in detail in the specification all belong to the existing technology known to those skilled in the art.

[0024] In use, the staff can insert the clamping plate 23 at the bottom of the fixed frame 21 into the clamping groove 18 in the heating shell 1, then the staff can pull the limiting plate 25, the limiting plate 25 is activated under the action of the movable rod 24, so that one end of the limiting plate 25 is inserted into the groove 19, then the staff can insert the fixed rod 261 at the bottom of the L-shaped movable plate 26 into the fixed hole 251 on the limiting plate 25, thereby limiting the limiting plate 25 in the groove 19, thereby completing the fixation of the fixed frame 21 with the protective net 211 in the heating shell 1, so that when the outside air enters the heating shell 1 through the ventilation hole 14, it will be intercepted by the ventilation hole 14 and the protective net 211, preventing external sundries and dust from polluting the surface of the electric heating pipe 17, when disassembling, the staff can rotate the fixed bolt 12 to remove the inspection plate 11 from the top of the heating shell 1, then the staff can lift the L-shaped movable plate 26 in the groove 19, so that the L-shaped movable plate 26 moves with the fixed rod 261, the fixed rod 261 is extracted from the fixed hole 251, facilitating the staff to pull the limiting plate 25 in the groove 19 back to the top of the fixed frame 21, then the staff can pull the fixed frame 21 through the handle 22, thereby extracting the fixed frame 21 with the protective net 211 from the heating shell 1, realizing the disassembly and cleaning of the protective mechanism 2 in the heating shell 1.

[0025] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0026] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made thereto without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A filterable air heater comprising a heating housing (1), characterised in that: The top of the heating shell (1) is fixedly provided with an inspection plate (11), four fixed bolts (12) are threadedly connected to the top of the inspection plate (11), one end of the fixed bolts (12) penetrates to the outside of the inspection plate (11), four threaded grooves (13) matched with the fixed bolts (12) are formed in the top of the heating shell (1), a plurality of ventilation holes (14) are formed in the outer wall of one side of the heating shell (1), a ventilation duct (15) is fixedly connected to the outer wall of one side of the heating shell (1), a power connection piece (16) is fixedly arranged in the heating shell (1), a plurality of electric heating pipes (17) are fixedly installed at the bottom of the power connection piece (16), and a protection mechanism (2) is fixedly arranged in the heating shell (1).

2. The filterable air heater of claim 1, wherein: The protection mechanism (2) comprises a fixed frame (21), a protection net (211) is fixedly connected between the inner walls of the two sides of the fixed frame (21), a handle (22) is fixedly connected to the top of the fixed frame (21), a clamping plate (23) is fixedly connected to the bottom of the fixed frame (21), and a clamping groove (18) matched with the clamping plate (23) is formed in the bottom surface of the heating shell (1).

3. An air heater according to claim 2, wherein: The top of the fixed frame (21) is rotatably connected with two movable rods (24), the top ends of the two movable rods (24) are fixedly connected with limiting plates (25), and the top of each of the two limiting plates (25) is provided with a fixed hole (251).

4. An air heater according to claim 3, wherein: The inner walls of the two sides of the heating shell (1) are provided with grooves (19), and the inner walls of the two sides of each of the two grooves (19) are slidably connected with L-shaped movable plates (26), and the bottom of each of the two L-shaped movable plates (26) is fixedly connected with a fixed rod (261) matched with the fixed hole (251).

5. A filterable air heater as claimed in claim 4, wherein: The inner walls of the two sides of the groove (19) are provided with sliding grooves (191), and the inner walls of the two sliding grooves (191) are slidably connected with sliding blocks (192), and one end of the sliding block (192) is fixedly connected with the outer wall of one side of the L-shaped movable plate (26).

6. An air heater according to claim 5, wherein: The top of each of the two L-shaped movable plates (26) is fixedly connected with a plurality of reset springs (27), and one end of the reset spring (27) is fixedly connected with the inner wall of one side of the groove (19).

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