CN217154497U

CN217154497U - PTC mounting structure and air curtain machine

Info

Publication number: CN217154497U
Application number: CN202220837572.5U
Authority: CN
Inventors: 甄建柱; 赖金桥; 解博超; 李清泉
Original assignee: Guangdong Nedfon Air System Co Ltd
Current assignee: Guangdong Nedfon Air System Co Ltd
Priority date: 2022-04-12
Filing date: 2022-04-12
Publication date: 2022-08-09
Anticipated expiration: 2032-04-12

Abstract

The application provides a PTC mounting structure and air curtain machine, PTC mounting structure includes: the PTC heater, the clamping component, the shell connecting component and the limiting component are arranged on the shell; the clamping assembly comprises an upper clamping plate, a lower clamping plate and a fastener, wherein the upper clamping plate and the lower clamping plate are respectively clamped on the upper surface and the lower surface of the PTC heater and are mutually fixed through the fastener; the shell connecting assembly comprises a first connecting support and a second connecting support, and the first connecting support and the second connecting support are respectively connected to the left end and the right end of the upper clamping plate; the limiting assembly comprises a first limiting part and a second limiting part, and the first limiting part and the second limiting part are respectively arranged at the left end and the right end of the PTC heater. The PTC mounting structure that this application embodiment provided carries on spacingly through setting up spacing subassembly to the left right direction of PTC heater, has guaranteed that the air curtain machine in the transportation, and the PTC heater also can not be followed and controlled the direction displacement, has guaranteed that installation stability, mounted position are accurate.

Description

PTC mounting structure and air curtain machine

Technical Field

The application relates to the technical field of air curtain machines, in particular to a PTC (positive temperature coefficient) mounting structure and an air curtain machine.

Background

The air curtain machine is a strong air flow generated by driving a cross-flow or centrifugal wind wheel by a high-speed motor so as to form an invisible door curtain air purification device.

At present, PTC heaters are installed on some air curtain machines to heat the generated air curtain to cope with cold weather conditions. The PTC heater of the air curtain machine is arranged at the air outlet of the air curtain machine shell, and because the whole PTC heater is electrified, the PTC heater is not allowed to contact with metal parts (screws, the air curtain machine shell and the like) during installation, the PTC heater of the air curtain machine is clamped and fixed by the upper clamping plate and the lower clamping plate, the two clamping plates are locked by the screws and are connected with the air curtain machine shell through the connecting bracket, and therefore the PTC heater is installed. However, the installation mode only limits the vertical displacement of the PTC heater, and the screws can be loosened during the transportation of the air curtain machine, so that the PTC heater moves left and right, the installation position of the PTC heater is wrong, and an operator still needs to readjust the installation after arriving at the site, which is very troublesome.

SUMMERY OF THE UTILITY MODEL

An object of the application is to provide a PTC mounting structure and a wind curtain machine to solve the shortcomings and disadvantages in the prior art.

The application provides a PTC mounting structure, includes: the PTC heater, the clamping component, the shell connecting component and the limiting component are arranged on the shell;

the clamping assembly comprises an upper clamping plate, a lower clamping plate and a fastener, wherein the upper clamping plate and the lower clamping plate are respectively clamped on the upper surface and the lower surface of the PTC heater and are mutually fixed through the fastener;

the shell connecting assembly is used for being connected with a shell of the air curtain machine and comprises a first connecting support and a second connecting support, and the first connecting support and the second connecting support are respectively connected to the left end and the right end of the upper clamping plate;

the limiting assembly is used for limiting the PTC heater in the left-right direction and comprises a first limiting part and a second limiting part, and the first limiting part and the second limiting part are respectively arranged at the left end and the right end of the PTC heater.

Compared with the prior art, the PTC mounting structure that this application embodiment provided can make the PTC heater firmly install in air curtain machine casing through setting up clamping subassembly and casing coupling assembling, it is spacing still to the left right direction of PTC heater through setting up spacing subassembly simultaneously, guaranteed that the air curtain machine is in the transportation, even if the screw is not hard up, the PTC heater also can not be followed and controlled the direction displacement, installation stability has been guaranteed, the mounted position is accurate, can alleviate operator's working strength from this, be favorable to improving operator's efficiency.

In a preferred or optional embodiment, the first limiting member is detachably connected to the first connecting bracket, and the second limiting member is detachably connected to the upper clamping plate.

In a preferred or optional embodiment, the first limiting member includes a first limiting seat, and a first hook portion and a first threaded hole which are disposed on the first limiting seat, the first connecting bracket is provided with a first through hole and a first hook hole, the first through hole is connected with the first threaded hole through a screw, and the first hook portion is engaged with the first hook hole.

In a preferred or optional embodiment, the second limiting member includes a second limiting seat, and a second hook portion and a second threaded hole that are disposed on the second limiting seat, the upper plate is provided with a second through hole and a second hook hole, the second through hole is connected with the second threaded hole through a screw, and the second hook portion is engaged with the second hook hole.

In a preferred or optional embodiment, the first limiting member and the second limiting member have the same structure.

In a preferred or optional embodiment, the left end of the PTC heater is a terminal, and the first stopper further covers the front side of the left end of the PTC heater.

In a preferred or alternative embodiment, the fastener is a screw that passes through the upper and lower clamping plates to secure the upper and lower clamping plates to each other.

In a preferred or optional embodiment, the rod part of the screw is sleeved with a thermal insulation insulating sleeve.

In a preferred or optional embodiment, a heat insulating plate is arranged between the upper clamping plate and the upper surface of the PTC heater and between the lower clamping plate and the lower surface of the PTC heater.

The application provides an air curtain machine, it includes: air curtain casing and as above a PTC mounting structure, be provided with the air outlet on the air curtain casing, PTC mounting structure set up in air outlet department, just first linking bridge and second linking bridge all connect in on the air curtain casing.

For a better understanding and practice, the present application is described in detail below with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic structural diagram of an air curtain machine in an embodiment of the present application;

fig. 2 is a schematic structural view of a PTC mounting structure in an embodiment of the present application;

fig. 3 is an exploded view of a PTC mounting structure in an embodiment of the present application;

FIG. 4 is a schematic connection diagram of a first connecting bracket and a first position limiting member according to an embodiment of the present disclosure;

FIG. 5 is a schematic view illustrating a connection between an upper plate and a second position-limiting member according to an embodiment of the present application;

reference numerals are as follows: 1. a PTC heater; 21. an upper splint; 211. a second through hole; 212. a second hook aperture; 22. a lower splint; 23. a fastener; 231. a thermal insulation insulating sleeve; 24. a thermal insulation board; 31. a first connecting bracket; 311. a first through hole; 312. a first hook aperture; 32. a second connecting bracket; 41. a first limit piece; 411. a first limiting seat; 412. a first hook portion; 413. a first threaded hole; 42. a second limiting member; 421. a second limiting seat; 422. a second hook portion; 423. a second threaded hole; 5. an air curtain housing; 51. and (7) air outlet.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be understood that in the description of the present application, the terms "center", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, merely for convenience of description and simplification of the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be considered as limiting the present application. The terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, i.e. a feature defined as "first", "second" may explicitly or implicitly include one or more of such features. Further, unless otherwise specified, "a plurality" means two or more.

It should be noted that, in the description of the present application, unless otherwise explicitly specified or limited, the terms "disposed," "connected," and "hollow" are to be construed broadly, e.g., as meaning 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 application can be understood in a specific case by those of ordinary skill in the art.

Referring to fig. 1 to 5, the present embodiment provides a PTC mounting structure, which can be applied to an air curtain machine, including: PTC heater 1, clamping subassembly, casing coupling assembling and spacing subassembly.

The clamping assembly can clamp and fix the PTC heater 1 from both the upper and lower directions, and comprises an upper clamping plate 21, a lower clamping plate 22 and a fastening member 23, wherein the upper clamping plate 21 and the lower clamping plate 22 are respectively clamped on the upper and lower surfaces of the PTC heater 1, and the upper clamping plate 21 and the lower clamping plate 22 are mutually fixed through the fastening member 23. Make punch holder 21 and lower plate 22 fixed through fastener 23 to realize the effect of centre gripping PTC heater 1, specifically, fastener 23 is the screw, the screw passes punch holder 21 and lower plate 22, will punch holder 21 and lower plate 22 reciprocal anchorage, all be provided with on punch holder 21 and the lower plate 22 with screw matched with mounting hole, the screw is provided with many and evenly distributed in PTC heater 1's front and back side. In order to isolate the temperature of the PTC heater 1 and avoid the short circuit thereof, the upper clamp plate 21 and the lower clamp plate 22 may be both insulating plates, but the structural strength of such plates is not high, and therefore, preferably, in the present embodiment, the upper clamp plate 21 and the lower clamp plate 22 are both metal plates, and the insulating plates 24 are disposed between the upper surfaces of the upper clamp plate 21 and the PTC heater 1 and between the lower surfaces of the lower clamp plate 22 and the PTC heater 1, so as to ensure the structural strength, isolate the temperature of the PTC heater 1 and avoid the short circuit thereof, and similarly, the rod portion of the screw is sleeved with the insulating sleeve 231.

The housing connecting assembly is used for being connected with the air curtain machine housing 5 and comprises a first connecting bracket 31 and a second connecting bracket 32, the first connecting bracket 31 and the second connecting bracket 32 are respectively connected with the left end and the right end of the upper clamping plate 21, the first connecting bracket 31 and the second connecting bracket 32 are connected with the air curtain machine housing 5, so that the PTC heater 1 can be fixed in the air curtain machine housing 5, and the first connecting bracket 31 and the second connecting bracket 32 are rectangular plate brackets.

The limiting component is used for limiting the PTC heater 1 in the left-right direction, and includes a first limiting part 41 and a second limiting part 42, where the first limiting part 41 and the second limiting part 42 are respectively disposed at the left end and the right end of the PTC heater 1.

The PTC mounting structure that this embodiment provided can make PTC heater 1 firmly install in air curtain casing 5 through setting up clamping subassembly and casing coupling assembling, still carry on spacingly through setting up spacing subassembly to PTC heater 1's left and right directions simultaneously, guaranteed air curtain machine in the transportation, even if the screw is not hard up, PTC heater 1 also can not follow left and right directions displacement, guaranteed installation stability, the mounted position is accurate, can alleviate operator's working strength from this, be favorable to improving operator's efficiency.

Preferably, in this embodiment, the first limiting member 41 is detachably connected to the first connecting bracket 31, and the second limiting member 42 is detachably connected to the upper clamping plate 21. As shown in fig. 4, specifically, the first limiting member 41 includes a first limiting seat 411, and a first hook portion 412 and a first threaded hole 413 which are disposed on the first limiting seat 411, a first through hole 311 and a first hook hole 312 are disposed on the first connecting bracket 31, the first through hole 311 and the first threaded hole 413 are connected by a screw, and the first hook portion 412 is engaged in the first hook hole 312; as shown in fig. 5, the second limiting member 42 includes a second limiting seat 421, and a second hook portion 422 and a second threaded hole 423 that are disposed on the second limiting seat 421, the upper clamp plate 21 is provided with a second through hole 211 and a second hook hole 212, the second through hole 211 is connected with the second threaded hole 423 through a screw, and the second hook portion 422 is engaged in the second hook hole 212. Through the arrangement, firm installation and convenient disassembly of the first limiting part 41 and the second limiting part 42 are ensured. In this embodiment, the first limiting member 41 and the second limiting member 42 have the same structure, so that the uniformity of the parts is ensured, and the parts are convenient to replace, and the first limiting member 41 and the second limiting member 42 are both made of an insulating heat-resistant material (e.g., silicone rubber).

Specifically, the left end of the PTC heater 1 is a terminal, the terminal needs to be connected with a plurality of wires, and the PTC heater 1 is not beautiful when viewed from the front side, so preferably, the first limiting member 41 of the present embodiment is further hidden at the front side of the left end of the PTC heater 1, and the appearance is ensured to be beautiful.

In the installation of the PTC installation structure of this embodiment, the upper clamp plate 21 and the lower clamp plate 22 are first placed on the upper and lower surfaces of the PTC heater 1, then the upper clamp plate 21 and the lower clamp plate 22 are fixed by the fasteners 23, then the first connecting bracket 31 and the second connecting bracket 32 are installed at the left and right ends of the upper clamp plate 21, finally the first limiting member 41 and the first connecting bracket 31 are installed, and the second limiting member 42 and the upper clamp plate 21 are installed.

This embodiment still provides an air curtain machine, its characterized in that includes: air curtain machine casing 5 and as above PTC mounting structure, be provided with air outlet 51 on the air curtain machine casing 5, PTC mounting structure set up in air outlet 51 department, just first linking bridge 31 and second linking bridge 32 all connect in on the air curtain machine casing 5, this air curtain machine has contained PTC mounting structure's beneficial effect, does not describe here any longer.

The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application.

Claims

1. A PTC mounting structure, comprising:

the PTC heater, the clamping component, the shell connecting component and the limiting component are arranged on the shell;

2. A PTC mounting structure according to claim 1, wherein:

the first limiting part is detachably connected with the first connecting support, and the second limiting part is detachably connected with the upper clamping plate.

3. A PTC mounting structure according to claim 2, wherein:

the first limiting part comprises a first limiting seat, a first clamping hook part and a first threaded hole, the first clamping hook part and the first threaded hole are arranged on the first limiting seat, a first through hole and a first clamping hook hole are formed in the first connecting support, the first through hole is connected with the first threaded hole through a screw, and the first clamping hook part is clamped in the first clamping hook hole.

4. A PTC mounting structure according to claim 3, wherein:

the second locating part comprises a second limiting seat, a second clamping hook portion and a second threaded hole, the second clamping hook portion and the second threaded hole are formed in the second limiting seat, a second through hole and a second clamping hook hole are formed in the upper clamp plate, the second through hole is connected with the second threaded hole through screws, and the second clamping hook portion is clamped in the second clamping hook hole.

5. A PTC mounting structure according to claim 4, wherein:

the first limiting part and the second limiting part are of the same structure.

6. A PTC mounting structure according to claim 1, wherein:

the left end of the PTC heater is a wiring end, and the first limiting piece is further shielded on the front side of the left end of the PTC heater.

7. A PTC mounting structure according to claim 1, wherein:

the fastener is a screw, and the screw passes through the upper clamping plate and the lower clamping plate to fix the upper clamping plate and the lower clamping plate with each other.

8. A PTC mounting structure according to claim 7, wherein:

the rod part of the screw is sleeved with a heat insulation insulating sleeve.

9. A PTC mounting structure according to any one of claims 1-8, wherein:

and a heat insulation plate is arranged between the upper clamping plate and the upper surface of the PTC heater and between the lower clamping plate and the lower surface of the PTC heater.

10. An air curtain machine, comprising:

an air curtain housing having an air outlet and a PTC mounting arrangement according to any one of claims 1-9, wherein the PTC mounting arrangement is disposed at the air outlet and the first and second attachment brackets are connected to the air curtain housing.