CN210951583U

CN210951583U - Installation mechanism of PTC electric heater of indoor unit air supply pipeline

Info

Publication number: CN210951583U
Application number: CN201922146549.2U
Authority: CN
Inventors: 李晓萍; 李甫奎; 杨开华; 唐国玉; 曾浩宬; 罗月
Original assignee: Yunnan Chuangjia Building Technology Engineering Co ltd
Current assignee: Yunnan Chuangjia Building Technology Engineering Co ltd
Priority date: 2019-12-04
Filing date: 2019-12-04
Publication date: 2020-07-07
Anticipated expiration: 2029-12-04

Abstract

The utility model relates to an indoor set of air conditioning technology field specifically is an indoor set supply air duct's PTC electric heater's installation mechanism, including the indoor set of air conditioning, the front and back end of the indoor set of air conditioning is connected with square air-supply line and play tuber pipe respectively through the bolt, and the outmost end that goes out the tuber pipe has cup jointed the heating tube, and the rear end of heating tube has cup jointed the blast pipe, and the inside of heating tube is provided with a plurality of PTC electric heater, and the inboard welding that just is located between two spacing frames about the heating tube has the bracket, PTC electric heater's both ends and bracket joint cooperation. The utility model discloses a one end at the indoor set of air conditioning has set up out tuber pipe and blast pipe to cup jointing the heating sleeve between play tuber pipe and blast pipe, its inside is fixed with a plurality of PTC electric heater, and the supporting seat of heating sleeve below can also play the effect of supporting out tuber pipe and blast pipe, and it is convenient that its installation PTC electric heater is also convenient for change at any time.

Description

Installation mechanism of PTC electric heater of indoor unit air supply pipeline

Technical Field

The utility model relates to an indoor set technical field specifically is an indoor set supply air duct's PTC electric heater's installation mechanism.

Background

The indoor unit of the central air-conditioning system is not provided with an auxiliary electric heating device, and because the heating effect of the central air-conditioning system in winter is poor, in order to improve the heating capability of the indoor unit of the air-conditioning system in winter, a ceramic PTC electric heater is arranged on an air supply pipeline of the indoor unit of the air-conditioning system, so that an air-conditioning room with poor heating effect of the central air-conditioning system in winter is solved. However, when the PTC electric heater is installed, the PTC electric heater is directly fixed in one end of the blast pipe and then connected to the indoor unit by bolts, which is troublesome to install and is not easy to replace when the PTC electric heater is damaged. In view of the above, we propose a mounting mechanism for a PTC electric heater of an indoor unit air supply duct.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an installation mechanism of indoor machine supply air duct's PTC electric heater to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides an installation mechanism of PTC electric heater of indoor unit supply-air duct, includes the indoor unit of air conditioner, the front and back end of the indoor unit of air conditioner is connected with square air-supply line and play tuber pipe respectively through the bolt, the outermost end cover of play tuber pipe has connect the heating tube, the rear end cover of heating tube has connect the blast pipe, the inside of heating tube is provided with a plurality of PTC electric heater, the heating tube is square pipe and inboard front and back end department welding has spacing frame near, the inboard left and right sides of heating tube just is located two the welding has the bracket between the spacing frame, the both ends of PTC electric heater with the bracket joint cooperation, waist type hole has all symmetrically been seted up to the top surface of heating tube and near the front and back end, the top surface center of heating tube has seted up the line hole, the symmetrical welding of the top surface of play tuber pipe near rear end department has the, and a limiting column inserted into the waist-shaped hole is arranged on the bottom surface of one end of the limiting hook.

Preferably, the bottom surface of the other end of the limiting hook is provided with a convex column, the center of the top surface of the convex column is provided with a through hole penetrating through the limiting hook, and the through hole is sleeved with the threaded column and is connected with the threaded column through a nut.

Preferably, the top surface of one end of the limiting hook is provided with an L-shaped lifting block.

Preferably, the top surface of the front end of the blast pipe is welded with a threaded column, and the threaded column is connected with a limiting hook.

Preferably, the bracket is in a concave shape, and a power line of the PTC electric heater passes through the line hole and is arranged outside.

Preferably, a supporting seat is arranged below the heating sleeve, and the top surface of the supporting seat is symmetrically welded with the top end of the round pipe and welded with the heating sleeve.

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

this installation mechanism of indoor set supply air duct's PTC electric heater has set up out tuber pipe and blast pipe through the one end at the air conditioning indoor set to cup joint the heating sleeve between play tuber pipe and blast pipe, its inside is fixed with a plurality of PTC electric heater, on will going out spacing hook on tuber pipe and the blast pipe port is received the heating sleeve again, make the three connect into wholly and firm, and the supporting seat of heating sleeve below can also play the effect of supporting play tuber pipe and blast pipe, it is convenient to install PTC electric heater, also be convenient for change at any time.

Drawings

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

fig. 2 is an overall exploded view of the present invention;

FIG. 3 is a schematic view of a portion of the air inlet duct of the present invention;

FIG. 4 is a schematic view of a part of the structure of the air supply pipe of the present invention;

FIG. 5 is a schematic view of the structure of the limit hook of the present invention;

FIG. 6 is a schematic view of the assembly structure of the heating jacket and the PTC electric heater according to the present invention;

fig. 7 is a schematic structural view of the heating jacket of the present invention.

The meaning of the individual reference symbols in the figures is:

1. an air-conditioning indoor unit; 10. an air inlet pipe; 11. an air outlet pipe; 12. an air supply pipe; 13. a tuyere; 14. a threaded post; 15. a limiting hook; 150. a convex column; 151. a through hole; 152. a limiting column; 153. lifting the block; 2. heating the sleeve; 20. a limiting frame; 21. a bracket; 22. a kidney-shaped hole; 23. a wire hole; 24. a supporting seat; 3. PTC electric heaters.

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.

In the description of the present invention, it should be understood that the terms "center", "center line", "longitudinal", "lateral", "length", "width", "thickness", "depth", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be taken as limiting the invention, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Referring to fig. 1-7, the present invention provides a technical solution:

the invention relates to a mounting mechanism of a PTC electric heater of an indoor machine air supply pipeline, which is provided with an air outlet pipe 11, an air supply pipe 12 and a heating sleeve 2 in order to facilitate the mounting and dismounting of the PTC electric heater in the air supply pipeline. The air conditioner comprises an air conditioner indoor unit 1, wherein the front end and the rear end of the air conditioner indoor unit 1 are respectively connected with a square air inlet pipe 10 and a square air outlet pipe 11 through bolts. The outmost end of the air outlet pipe 11 is sleeved with a heating sleeve 2, the rear end of the heating sleeve 2 is sleeved with an air supply pipe 12, and air openings 13 are respectively arranged on one sides of the air inlet pipe 10 and the air supply pipe 12 and used for air inlet and outlet. The supply pipe 12 is intended to be led into a room to be heated and is bolted at its end to the wall. The heating sleeve 2 is internally provided with a plurality of PTC electric heaters 3 which are electrified to work to release heat. The heating sleeve 2 is a square pipe, and the inner side of the heating sleeve is welded with limit frames 20 near the front end and the rear end to limit the air inlet pipe 10 and the air outlet pipe 11 from being sleeved continuously and leave a space for the PTC electric heater 3. The left side and the right side of the heating sleeve 2 are welded with a bracket 21 between two limiting frames 20, and two ends of the PTC electric heater 3 are in clamping fit with the bracket 21, so that the PTC electric heater is stably placed. Waist type hole 22 has been seted up to heating sleeve 2's top surface and the equal symmetry of near the front and back end, wire hole 23 has been seted up at heating sleeve 2's top surface center, the top surface of tuber pipe 11 is close to rear end department symmetrical welding has screw post 14, the outside of screw post 14 is connected with spacing hook 15, the one end bottom surface of spacing hook 15 is equipped with the spacing post 152 of pegging graft with waist type hole 22, make air-supply line 10, tuber pipe 11 and heating sleeve 2 connect into whole, the slippage does not.

In this embodiment, the limiting hook 15 is made of ABS material and has an integrally formed structure, so that it has good toughness and rigid strength, and is durable.

Further, the other end bottom surface of the limit hook 15 is provided with a convex column 150, the center of the top surface of the convex column 150 is provided with a through hole 151 penetrating through the limit hook 15, the through hole 151 is sleeved with the threaded column 14 and connected through a nut, the limit hook 15 can rotate around the threaded column 14, and the limit hook 15 can be conveniently folded.

Specifically, the top surface of one end of the limiting hook 15 is provided with an L-shaped lifting block 153, and since the limiting hook 15 is a plastic product and has certain elasticity, the lifting block 153 is held between the fingers to lift, so that the limiting column 152 is separated from the waist-shaped hole 22, and then the limiting column 152 rotates towards the middle of the air outlet pipe 11 or the air supply pipe 12 to be closed, and since the length of the waist-shaped hole 22 is greater than the outer diameter of the limiting column 152, the limiting column 152 cannot be interfered when lifted.

Specifically, the top surface of the front end of the blast pipe 12 is also welded with a threaded column 14, and the threaded column 14 is connected with a limit hook 15, so that the blast pipe 12 and the heating sleeve 2 can be disassembled and assembled.

In addition, the bracket 21 is in a concave shape, so that the PTC electric heater 3 can be conveniently supported, the power line of the PTC electric heater 3 passes through the line hole 23 and is arranged outside, and the plug of the power line can be conveniently inserted into the power interface to be electrified, so that the power line can work and radiate heat.

It needs to supplement that, heating sleeve 2's below is provided with supporting seat 24, and the top symmetry welding of supporting seat 24 has the top and the heating sleeve 2 welding of pipe and pipe for heating sleeve 2 is stably placed, the installation operation of being convenient for.

The utility model discloses an installation mechanism of indoor set supply-air duct's PTC electric heater is when using, go into bracket 21 with PTC electric heater 3's both ends card, and make the power cord wear out from line hole 23, the whole removal heating sleeve 2 makes the front end cover go into the back port of air-supply line 10, again with the front end cover of blast pipe 11 go into the back port of heating sleeve 2, rotate limit hook 15 again and hold between the fingers and carry the lifting block 153 and lift up this moment, make spacing post 152 aim at waist type hole 22, loosen the hand again, limit hook 15 resumes the horizontality, limit post 152 pops into waist type hole 22 smoothly promptly, make air-supply line 10, play tuber pipe 11 and heating sleeve 2 connect into a whole, do not slide and take off; when the PTC electric heater 3 needs to be replaced or maintained, the lifting block 153 is held to lift up, so that the limiting column 152 on the blast pipe 12 is separated from the waist-shaped hole 22, the limiting hook 15 is rotated towards the middle of the blast pipe 12 to be closed, the blast pipe 12 is pulled out to be separated from the heating sleeve 2, and then the PTC electric heater 3 can be taken out for replacement.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an installation mechanism of indoor unit supply-air duct's PTC electric heater, includes indoor set of air conditioner (1), the front and back end of indoor set of air conditioner (1) is connected with square air-supply line (10) and play tuber pipe (11) respectively through the bolt, its characterized in that: the air-conditioning fan is characterized in that a heating sleeve (2) is sleeved at the outermost end of the air outlet pipe (11), an air supply pipe (12) is sleeved at the rear end of the heating sleeve (2), a plurality of PTC electric heaters (3) are arranged inside the heating sleeve (2), the heating sleeve (2) is a square pipe, the inner side of the heating sleeve (2) is welded with a limit frame (20) near the front end, the left inner side and the right inner side of the heating sleeve (2) are positioned between two limit frames (20), brackets (21) are welded between the limit frames (20), the two ends of the PTC electric heaters (3) are in clamping fit with the brackets (21), waist-shaped holes (22) are symmetrically formed in the top surface of the heating sleeve (2) near the front end, wire holes (23) are formed in the center of the top surface of the air outlet pipe (11), threaded columns (14) are symmetrically welded at the rear end, and limit hooks (15), and a limiting column (152) spliced with the waist-shaped hole (22) is arranged on the bottom surface of one end of the limiting hook (15).

2. An installation mechanism of a PTC electric heater of an indoor unit air supply duct according to claim 1, wherein: the other end bottom surface of spacing hook (15) is equipped with projection (150), through-hole (151) that run through spacing hook (15) are seted up at the top surface center of projection (150), through-hole (151) with threaded column (14) cup joint and are connected through the nut.

3. An installation mechanism of a PTC electric heater of an indoor unit air supply duct according to claim 1, wherein: and an L-shaped lifting block (153) is arranged on the top surface of one end of the limiting hook (15).

4. An installation mechanism of a PTC electric heater of an indoor unit air supply duct according to claim 1, wherein: the top surface of the front end of the blast pipe (12) is also welded with a threaded column (14), and the threaded column (14) is connected with a limiting hook (15).

5. An installation mechanism of a PTC electric heater of an indoor unit air supply duct according to claim 1, wherein: the bracket (21) is concave, and a power line of the PTC electric heater (3) penetrates through the line hole (23) and is arranged outside.

6. An installation mechanism of a PTC electric heater of an indoor unit air supply duct according to claim 1, wherein: the below of heating sleeve (2) is provided with supporting seat (24), the top surface symmetrical welding of supporting seat (24) has the top of pipe and pipe with heating sleeve (2) welding.