CN214009587U

CN214009587U - Heating element of explosion-proof air heater

Info

Publication number: CN214009587U
Application number: CN202022445708.1U
Authority: CN
Inventors: 张纪荣; 张剑
Original assignee: Zhenjiang Heng An Anti Explosive Electric Appliance Co ltd
Current assignee: Zhenjiang Heng An Anti Explosive Electric Appliance Co ltd
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-08-20
Anticipated expiration: 2030-10-29

Abstract

The utility model relates to an air heater technical field specifically is an explosion-proof air heater's heating element, including the air heater main part, the air heater main part includes explosion-proof shell and heating element main part, explosion-proof shell's bottom fixed mounting has moving mechanism, one side fixed mounting of explosion-proof shell has block mechanism, block mechanism includes apron, No. two fixed plates and clamp, one side fixed mounting of apron has arc elasticity splint, one side fixed mounting that arc elasticity splint are close to each other has fastening pad. The utility model discloses a be provided with block mechanism, reduce the opening of clamp, press from both sides tightly the heating element main part, the fastening pad does not receive wearing and tearing in inside protection heating element main part, extrudees the inside of empty storehouse with the stopper of apron both sides to quick fixed apron, installation heating element main part, easy dismounting is convenient for take out the heating element main part and maintains.

Description

Heating element of explosion-proof air heater

Technical Field

The utility model relates to an air heater technical field specifically is an explosion-proof air heater's heating element.

Background

Air heaters are electrical heating devices that heat a stream of gas primarily. The heating element of the air heater is a stainless steel electric heating pipe, the inner cavity of the heater is provided with a plurality of baffle plates (guide plates) for guiding the flow direction of gas and prolonging the detention time of the gas in the inner cavity, so that the gas is fully heated, the gas is uniformly heated, and the heat exchange efficiency is improved. A stainless steel heating tube as heating element of air heater is made up by installing electrothermal wire in seamless steel tube and filling the magnesium oxide powder with good thermal conductivity and insulativity in the gap and then shrinking the tube. When current passes through the high-temperature resistance wire, the generated heat is diffused to the surface of the heating pipe through the crystallized magnesium oxide powder and then is transferred to heated air, so that the heating purpose is achieved.

However, the heating element of the conventional air heater is fixedly installed inside the air heater, and the air heater is often designed as a whole, so that once the air heater is damaged, workers are troublesome to disassemble, assemble and maintain, and therefore, the heating element of the explosion-proof air heater needs to be designed to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an explosion-proof air heater's heating element to the heating element fixed mounting who solves the current air heater who proposes in the above-mentioned background art is in air heater's inside, and air heater is the design of an organic whole more, in case the damage appears, and the staff dismouting maintenance gets up more trouble problem.

In order to achieve the above object, the utility model provides a following technical scheme: a heating element of an explosion-proof air heater comprises an air heater main body, wherein the air heater main body comprises an explosion-proof shell and a heating element main body, a moving mechanism is fixedly installed at the bottom end of the explosion-proof shell, a clamping mechanism is fixedly installed at one side of the explosion-proof shell and comprises a cover plate, a second fixing plate and a clamp, an arc-shaped elastic clamping plate is fixedly installed at one side of the cover plate, a fastening pad is fixedly installed at one side, close to each other, of the arc-shaped elastic clamping plate, the clamp is sleeved at the outer side of the arc-shaped elastic clamping plate, a bolt is inserted into one side thread of the clamp, a nut is sleeved at one end thread of the bolt, a pull ring is fixedly installed at one side of the cover plate, cavities are formed in two sides of the cover plate, a first spring is fixedly installed in the cavities, a limiting block is fixedly installed at one side of the first spring, the anti-explosion heating device is characterized in that an empty bin is formed in the second fixing plate, a second spring is fixedly mounted on one side of the second fixing plate, an elastic rod is fixedly mounted on one side of the second spring, an extrusion block is fixedly mounted on one side of the elastic rod, one end of the second fixing plate is fixedly connected with one side of the anti-explosion shell, and a heating element main body is clamped on one side, close to the fastening pad, of the fastening pad.

Preferably, a fixing rod is fixedly installed at the top end of the explosion-proof shell, and a rain baffle is arranged at the top end of the fixing rod.

Preferably, the moving mechanism comprises a cylinder, a pulley is fixedly mounted at the bottom end of the cylinder, and one side of the cylinder is fixedly connected with one side of the explosion-proof shell.

Preferably, a fixing plate is fixedly mounted on two sides of the cylinder, a screw rod is inserted into one side of the fixing plate through threads, a fixing block is fixedly mounted at the bottom end of the screw rod, and a friction pad is pasted at the bottom end of the fixing block.

Preferably, a sealing ring is fixedly mounted on one side of the cover plate, one side of the sealing ring is clamped into the circular empty groove, and the circular empty groove is formed in the explosion-proof shell.

Preferably, one side of the limiting block is a plane, and one side of the limiting block is an inclined plane.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through being provided with block mechanism, reduce the opening of clamp, press from both sides the heating element main part tightly, the fastening pad does not receive wearing and tearing in inside protection heating element main part, extrudees the inside in empty storehouse with the stopper of apron both sides to quick fixed apron, installation heating element main part, easy dismounting is convenient for take out the heating element main part and maintains.

2. Through being provided with moving mechanism, through rotatory screw rod for the explosion-proof housing is supported downwards to the screw rod, makes the air heater main part can be in stable state work, and to uneven place simultaneously, can adjust from top to bottom through rotatory screw rod, and the friction pad increases the power of grabbing of fixed block to ground, and rotatory screw rod makes progress, and the pulley contacts ground, is convenient for remove the position of explosion-proof housing.

Drawings

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

FIG. 2 is a schematic view of the structure of the present invention in front elevation with a partial cross section;

fig. 3 is an enlarged schematic view of a portion of the structure at a in fig. 2 according to the present invention;

fig. 4 is a schematic side view of the moving mechanism of the present invention.

In the figure: 100. an air heater body; 110. an explosion-proof housing; 120. fixing the rod; 130. a rain shield; 140. a heating element body; 200. a moving mechanism; 210. a screw; 211. a cylinder; 212. a fixed block; 213. a pulley; 214. a friction pad; 215. a first fixing plate; 300. a clamping mechanism; 310. clamping a hoop; 311. a fastening pad; 312. a bolt; 313. a nut; 314. a pull ring; 315. an arc-shaped elastic splint; 316. a limiting block; 317. a second fixing plate; 318. a cavity; 319. a cover plate; 320. a first spring; 321. a seal ring; 322. a circular empty slot; 323. a second spring; 324. an elastic rod; 325. extruding the block; 326. and (5) emptying the bin.

Detailed Description

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

Referring to fig. 1-4, the present invention provides an embodiment:

a heating element of an explosion-proof air heater comprises an air heater main body 100, wherein the air heater main body 100 comprises an explosion-proof shell 110 and a heating element main body 140, a moving mechanism 200 is fixedly installed at the bottom end of the explosion-proof shell 110, a clamping mechanism 300 is fixedly installed at one side of the explosion-proof shell 110, the clamping mechanism 300 comprises a cover plate 319, a second fixing plate 317 and a clamp 310, an arc-shaped elastic clamping plate 315 is fixedly installed at one side of the cover plate 319, a fastening pad 311 is fixedly installed at one side of the arc-shaped elastic clamping plate 315 close to each other, the clamp 310 is sleeved at the outer side of the arc-shaped elastic clamping plate 315, a bolt 312 is inserted into one side of the clamp 310 through a thread, a nut 313 is sleeved at one end of the bolt 312, a pull ring 314 is fixedly installed at one side of the cover plate 319, cavities 318 are formed in two sides of the cover plate 319, a first spring 320 is fixedly installed in the cavities 318, and a limit block 316 is fixedly installed at one side of the first spring 320, a hollow chamber 326 is arranged in the second fixing plate 317, a second spring 323 is fixedly arranged on one side of the second fixing plate 317, an elastic rod 324 is fixedly arranged on one side of the second spring 323, an extrusion block 325 is fixedly arranged on one side of the elastic rod 324, one end of the second fixing plate 317 is fixedly connected with one side of the explosion-proof shell 110, a heating element main body 140 is clamped on one side of the fastening pad 311 which is close to each other, meanwhile, the elastic rod 324 is pressed, the elastic rod 324 extrudes the second spring 323, the extrusion block 325 is close to the limiting block 316, the limiting block 316 is extruded and acts on the first spring 320, the limiting block 316 retracts into the cavity 318, the pull ring 314 is held to pull the cover plate 319 to eject, one end of the arc-shaped elastic clamping plate 315 drives the heating element main body 140 to move out, the nut 313 is rotated, the bolt 312 is taken down, the clamp 310 no longer binds the arc-shaped elastic clamping plate 315, and the heating element main body 140 is no longer clamped by the arc-shaped elastic clamping plate 315, can take out heating element main part 140 and maintain, put good heating element main part 140 in the inside of arc elasticity splint 315, block clamp 310 in the outside of arc elasticity splint 315, through swivel bolt 312 and nut 313, reduce the opening of clamp 310, press from both sides heating element main part 140, fastening pad 311 is inside protection heating element main part 140 does not receive wearing and tearing, extrude the stopper 316 of apron 319 both sides to the inside of empty warehouse 326, thereby quick fixed apron 319, installation heating element main part 140.

Further, a fixing rod 120 is fixedly installed at the top end of the explosion-proof housing 110, a rain shield 130 is installed at the top end of the fixing rod 120, and the rain shield 130 protects the explosion-proof housing 110 to prevent the explosion-proof housing 110 from being damaged by bad weather in outdoor use.

Further, the moving mechanism 200 comprises a cylinder 211, a pulley 213 is fixedly mounted at the bottom end of the cylinder 211, and one side of the cylinder 211 is fixedly connected with one side of the explosion-proof housing 110, so that the pulley 213 contacts the ground, and the position of the explosion-proof housing 110 is convenient to move.

Further, a first fixing plate 215 is fixedly installed on two sides of the cylinder 211, a screw 210 is inserted into one side of the first fixing plate 215 through threads, a fixing block 212 is fixedly installed at the bottom end of the screw 210, a friction pad 214 is adhered to the bottom end of the fixing block 212, the screw 210 supports the explosion-proof housing 110 downwards through rotation of the screw 210, the air heater body 100 can work in a stable state, meanwhile, for uneven placement, up and down adjustment can be performed through rotation of the screw 210, and the friction pad 214 increases the grabbing force of the fixing block 212 on the ground.

Further, a sealing ring 321 is fixedly mounted on one side of the cover plate 319, one side of the sealing ring 321 is clamped into the circular hollow groove 322, the circular hollow groove 322 is arranged inside the explosion-proof shell 110, and the sealing ring 321 is clamped inside the circular hollow groove 322, so that the sealing effect is improved, and heat loss is prevented.

Furthermore, one side of the limiting block 316 is a plane, one side of the limiting block 316 is an inclined plane, the inclined plane of the limiting block 316 is convenient to extrude into the empty bin 326, and meanwhile, one side of the plane can be limited, so that the cover plate 319 cannot move out.

The working principle is as follows: the serviceman simultaneously presses the elastic rod 324, the elastic rod 324 presses the second spring 323, the extrusion block 325 is close to the limiting block 316, the limiting block 316 is extruded, the limiting block 316 acts on the first spring 320 after being extruded, the limiting block 316 retracts into the cavity 318, the pull ring 314 is held to pull the cover plate 319 to pop out, one end of the arc-shaped elastic clamping plate 315 drives the heating element main body 140 to move out, the nut 313 is rotated, the bolt 312 is taken down, the hoop 310 is not bound to the arc-shaped elastic clamping plate 315 any more, the arc-shaped elastic clamping plate 315 is not clamped to the heating element main body 140 any more, the heating element main body 140 can be taken out for maintenance, the good heating element main body 140 is placed in the arc-shaped elastic clamping plate 315, the hoop 310 is clamped at the outer side of the arc-shaped elastic clamping plate 315, the opening of the hoop 310 is reduced by rotating the bolt 312 and the nut 313, the heating element body 140 is clamped, and the stoppers 316 on both sides of the cover plate 319 are pressed into the empty chamber 326.

The explosion proof housing 110 is supported downward by the screw 210 by rotating the screw 210 so that the air heater body 100 can be operated in a stable state, the screw 210 is rotated upward so that the pulley 213 contacts the ground, and at the same time, for an uneven place, the grip of the fixing block 212 on the ground can be increased by the friction pad 214 by rotating the screw 210 up and down.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A heating element of an explosion-proof air heater comprising an air heater body (100), characterized in that: the air heater main body (100) comprises an explosion-proof shell (110) and a heating element main body (140), a moving mechanism (200) is fixedly installed at the bottom end of the explosion-proof shell (110), a clamping mechanism (300) is fixedly installed at one side of the explosion-proof shell (110), the clamping mechanism (300) comprises a cover plate (319), a second fixing plate (317) and a clamp (310), an arc elastic clamping plate (315) is fixedly installed at one side of the cover plate (319), a fastening pad (311) is fixedly installed at one side of the arc elastic clamping plate (315) close to each other, the clamp (310) is sleeved at the outer side of the arc elastic clamping plate (315), a bolt (312) is inserted into one side of the clamp (310), a nut (313) is sleeved on one end thread of the bolt (312), a pull ring (314) is fixedly installed at one side of the cover plate (319), a cavity (318) is opened at two sides of the cover, the inside fixed mounting of cavity (318) has spring (320) No. one, one side fixed mounting of spring (320) has stopper (316), No. two empty storehouse (326) have been seted up to the inside of fixed plate (317), one side fixed mounting of fixed plate (317) has spring (323) No. two, one side fixed mounting of spring (323) has flexible pole (324), one side fixed mounting of flexible pole (324) has extrusion piece (325), one end of fixed plate (317) and one side fixed connection of explosion-proof shell (110) No. two, one side block that fastening pad (311) are close to each other has heating element main part (140).

2. A heating element for an explosion proof air heater in accordance with claim 1, wherein: the top end of the explosion-proof shell (110) is fixedly provided with a fixing rod (120), and the top end of the fixing rod (120) is provided with a rain baffle (130).

3. A heating element for an explosion proof air heater in accordance with claim 1, wherein: the moving mechanism (200) comprises a cylinder (211), a pulley (213) is fixedly mounted at the bottom end of the cylinder (211), and one side of the cylinder (211) is fixedly connected with one side of the explosion-proof shell (110).

4. A heating element for an explosion proof air heater as claimed in claim 3, wherein: fixed plate (215) are fixedly mounted on two sides of cylinder (211), screw rod (210) are inserted into one side thread of fixed plate (215), fixed block (212) are fixedly mounted at the bottom end of screw rod (210), and friction pad (214) is pasted at the bottom end of fixed block (212).

5. A heating element for an explosion proof air heater in accordance with claim 1, wherein: one side fixed mounting of apron (319) has sealing washer (321), the inside to circular dead slot (322) is gone into to one side card of sealing washer (321), circular dead slot (322) are seted up in the inside of explosion-proof shell (110).

6. A heating element for an explosion proof air heater in accordance with claim 1, wherein: one side of the limiting block (316) is a plane, and one side of the limiting block (316) is an inclined plane.