CN212344237U

CN212344237U - Mainboard fixed knot constructs, automatically controlled box and air conditioner

Info

Publication number: CN212344237U
Application number: CN202021383471.2U
Authority: CN
Inventors: 廖岸辉; 文超; 郑和清
Original assignee: TCL Air Conditioner Zhongshan Co Ltd
Current assignee: TCL Air Conditioner Zhongshan Co Ltd
Priority date: 2020-07-14
Filing date: 2020-07-14
Publication date: 2021-01-12
Anticipated expiration: 2030-07-14

Abstract

The utility model discloses a mainboard fixed knot constructs, automatically controlled box and air conditioner, wherein, mainboard fixed knot constructs and is used for mainboard fixed mounting in the casing. The main board is provided with a clamping groove, and the main board fixing structure comprises a supporting column and an elastic buckle, wherein the supporting column is used for penetrating through the clamping groove and is fixedly connected to the inner surface of the shell; the elastic buckle comprises a connecting arm and a clamping hook, one end of the connecting arm is connected to the supporting column, the clamping hook is connected to the connecting arm, the connecting arm can be bent relative to the supporting column, the clamping hook is clamped and connected with the supporting column when the connecting arm is bent, the connecting arm forms an abutting surface abutting against one surface of the main board after bending, and the main board abuts against and is fixed between the abutting surface and the shell. The utility model provides a mainboard fixed knot constructs has avoided the mainboard circuit to take place owing to receive the phenomenon that the extrusion damaged, when guaranteeing that mainboard and casing connected mode are just easy, has improved the life of mainboard.

Description

Mainboard fixed knot constructs, automatically controlled box and air conditioner

Technical Field

The utility model relates to the technical field of electrical apparatus, in particular to mainboard fixed knot constructs, automatically controlled box and air conditioner.

Background

The main board is used as a core component for controlling the operation of the machine, and when the main board is installed in the shell, the main board needs to be tightly fixed with the shell. For example, when the main board of the air conditioner electric control box is installed in the electric control box, the main board is assembled in the shell by mostly adopting the matching of screws and buckles in the related art, wherein the buckle is fixed in the way that: the main board is propped open and deformed by the side edge of the main board through the elastic buckle in the assembling process so as to be fixed. The method for installing and fixing the mainboard easily causes the side edge of the mainboard to be pressed by the side surface of the elastic buckle, thereby causing the circuit of the mainboard to be easily damaged.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a mainboard fixed knot constructs aims at increasing the life of air conditioner mainboard.

In order to achieve the above object, the utility model provides a mainboard fixed knot constructs for with mainboard fixed mounting in the casing, the mainboard is equipped with the draw-in groove, mainboard fixed knot constructs including:

the supporting column is used for penetrating through the clamping groove and is fixedly connected to the inner surface of the shell; and

the utility model discloses a mainboard, including the support column, the support column is buckled to the mainboard butt, the elasticity buckle includes linking arm and pothook, the one end of linking arm connect in the support column, the pothook connect in the linking arm, the linking arm can for the support column is buckled, the pothook in when buckling with the support column card is held and is connected, the linking arm forms the butt after buckling the butt face on mainboard surface, the mainboard butt is fixed in the butt face with between the casing.

Optionally, the supporting column is provided with a fixing groove, and the hook is connected with the fixing groove in a clamping manner when the connecting arm is bent.

Optionally, the shape enclosed by the lateral circumferential surface of the supporting column is square, the supporting column has a right surface facing the bent connecting arm and a lateral surface connected to the right surface, and the fixing groove is opened in the lateral surface of the supporting column;

or the shape formed by enclosing the lateral periphery of the supporting column is circular, and the fixing groove is arranged on the lateral periphery of the supporting column;

or the shape that the lateral surface of support column encloses to close and forms is the polygon setting, the support column has towards after buckling the right opposite face of linking arm and connect in right opposite face's side surface, the fixed slot is seted up in the side surface of support column.

Optionally, the number of the fixing grooves is two, and the two fixing grooves are oppositely arranged on two opposite sides of the supporting column; the two hooks are respectively arranged on two opposite sides of the connecting arm.

Optionally, the supporting column has two opposite ends along an extending direction thereof, and the fixing groove extends from one end of the supporting column to the other end of the supporting column.

Optionally, the connecting arm includes a connecting portion and a crimping portion connected to the connecting portion, an end portion of the connecting portion departing from the crimping portion is connected to the supporting column, the abutting surface is located on a surface of the crimping portion departing from the connecting portion, and the hook is located on the connecting portion.

Optionally, the cross section of the connecting portion is smaller than the abutting surface, at least a portion of the abutting surface covers the clamping groove, and at least a portion of the abutting surface abuts against the main board.

The utility model also provides an automatically controlled box, including casing, mainboard and any one of the aforesaid mainboard fixed knot construct, the mainboard passes through mainboard fixed knot constructs the installation and is fixed in the inside of casing.

Optionally, the casing includes a casing body and at least two brace bars arranged in the casing body, two of the brace bars are arranged at intervals relatively, the number of the mainboard fixing structures is at least two, the mainboard is provided with at least two clamping grooves, one of the mainboard fixing structures corresponds to one of the clamping grooves, and the mainboard is abutted and fixed between the abutting surface and the brace bar.

The utility model also provides an air conditioner, which comprises the mainboard fixing structure;

alternatively, the air conditioner comprises an electric control box according to any one of the above items.

Optionally, the casing includes the casing body and locates at least two brace rods in the casing body, two of them the brace rod is relative interval setting, the quantity of mainboard fixed knot structure is at least two, the mainboard is equipped with two at least draw-in grooves, one it can not fixed knot structure correspond one the draw-in groove sets up to grab, the mainboard butt is fixed in the butt face with between the brace rod.

The utility model discloses technical scheme is through adopting support column and elastic buckle, after the draw-in groove on the mainboard passes the support column, buckles the linking arm for the support column, makes the buckle realize the card with the support column and hold and be connected to make the butt face of linking arm can at least partial butt in the surface of mainboard, and then make the mainboard by the centre gripping restrict between butt face and casing, finally accomplish being connected of mainboard and casing. The utility model discloses a mainboard fixed mounting is inside the casing with the spacing mode of centre gripping, can avoid the mainboard circuit to take place owing to receive the phenomenon that the extrusion damaged, when guaranteeing that mainboard and casing connected mode are just easy, has improved the life of mainboard.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural view of an electric control box in an embodiment of the present invention;

fig. 2 is an exploded view of an electric control box in an embodiment of the present invention;

fig. 3 is a schematic view of a part of a structure of a main board fixing structure in an electric control box according to an embodiment of the present invention when the main board fixing structure is in an open state;

FIG. 4 is an enlarged view of a portion of FIG. 3 at A;

fig. 5 is a schematic view of a part of a structure of a main board fixing structure in an electric control box according to an embodiment of the present invention when the main board fixing structure is in a closed state;

FIG. 6 is a partial enlarged view of FIG. 5 at B;

fig. 7 is a schematic structural diagram of a housing in an embodiment of the present invention;

fig. 8 is a partial enlarged view at C in fig. 7.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				1000	Electric control box	133	Clamp hook
100	Shell body	30	Support rib
				10	Mainboard fixing structure	31	A first supporting part
11	Support column	32	Second supporting part
				11a	Fixing groove		50	Supporting block
13	Elastic buckle	300	Main board
				131	Connecting arm	300a	Clamping groove
1311	Connecting part	500	Cover plate
				1313	Crimping part	1313a	Abutting surface

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

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 efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1 to 8, the present invention provides a motherboard fixing structure 10 for fixedly mounting a motherboard 300 in a housing 100, the motherboard 300 is provided with a slot 300 a.

The utility model provides a mainboard fixed knot constructs 10 and automatically controlled box 1000, automatically controlled box 1000 include casing 100, mainboard 300 and mainboard fixed knot construct 10, and mainboard 300 is equipped with draw-in

groove

300a, and 10 fixed connection in casing 100 of mainboard fixed knot construct, and mainboard 300 is installed between casing 100 and mainboard fixed knot construct 10.

Referring to fig. 1 to 6, in an embodiment of the motherboard fixing structure 10 of the present invention, the motherboard fixing structure 10 includes a supporting pillar 11 and an elastic buckle 13. The supporting post 11 is fixedly connected to the inner surface of the housing 100, the elastic buckle 13 includes a connecting arm 131 and a hook 133, one end of the connecting arm 131 is connected to the supporting post 11, and the hook 133 is connected to the connecting arm 131.

The support post 11 is fixedly attached to the inner surface of the housing 100. When the motherboard 300 is mounted or dismounted, the motherboard 300 can be moved so that the card slot 300a of the motherboard 300 passes through the supporting post 11, thereby placing the motherboard 300 in the housing 100 or taking out the motherboard 300 from the housing 100.

The elastic buckle 13 has a connecting arm 131 and a hook 133 connected to the connecting arm 131, and one end of the connecting arm 131 is connected to the supporting post 11. The connecting arm 131 can be bent relative to the supporting post 11, the hook 133 can be connected with the supporting post 11 in a holding manner during bending, and the surface of the connecting arm 131 abutting against the surface of the motherboard 300 after bending is an abutting surface 1313a, at this time, the motherboard 300 is abutted and fixed between the abutting surface 1313a and the housing 100.

The connecting arm 131 can be bent, and the connecting arm 131 itself can have a certain elasticity, for example, made of plastic or rubber. It is also within the scope of the present application to provide the hinge bending structure for the position where the connecting arm 131 needs to be bent.

The technical scheme of the utility model, through the support column 11 that passes mainboard fixed knot constructs 10 with the draw-in groove 300a of mainboard 300 so that place mainboard 300 in casing 100, mainboard fixed knot constructs 10 for the open mode this moment, specifically as shown in fig. 3. The connecting arm 131 of the elastic buckle 13 is bent to move the elastic buckle 13 relative to the supporting post 11, so that the hook 133 of the elastic buckle 13 is connected with the supporting post 11, the abutting surface 1313a abuts against a surface of the motherboard 300, and the motherboard 300 is fixed between the abutting surface 1313a and the housing 100, at this time, the motherboard fixing structure 10 is in a closed state, as shown in fig. 5. By using the main board fixing structure 10 provided by the embodiment, the phenomenon that the circuit of the main board 300 is easily damaged due to extrusion is avoided, and the service life of the main board 300 is prolonged; while the conventional motherboard 300 is usually fixed by the elastic clip being stretched and deformed by the side of the motherboard 300, this method easily causes the side of the motherboard 300 to be pressed by the elastic clip, thereby damaging the circuits of the motherboard 300. Therefore, for the fixed mode of conventional mainboard 300, the utility model provides a mainboard fixed knot constructs 10 can effectively avoid mainboard 300 side to damage mainboard 300 circuit because of receiving the packing force, has improved mainboard 300's life. Meanwhile, the main board 300 is fixed by the main board fixing structure 10 provided by the embodiment, so that the method is simple and easy to operate.

Referring to fig. 3 to 6, in order to prevent the hook 133 from being connected to the supporting post 11 so as to be not firmly clamped, the hook 133 falls off. Therefore, in the embodiment, the fixing groove 11a is formed on the supporting post 11, and when the connecting arm 131 is bent relative to the supporting post 11, the hook 133 can move toward the fixing groove 11a along with the bending of the connecting arm 131, so as to be snapped into the fixing groove 11a and connected with the fixing groove 11 a.

Referring to fig. 3 to 6, in the present embodiment, the shape enclosed by the side circumferential surface of the supporting column 11 is a square. That is, it can be understood that the cross section in the overall extension direction of the support column is provided in a square shape. In order to facilitate the hook 133 to be placed in the fixing groove 11a and to be connected with the fixing groove 11a in a clamping manner, the fixing groove 11a is formed in the side surface of the supporting column 11, the hook 133 moves toward the fixing groove 11a along with the bending of the connecting arm 131, and when the hook 133 starts to contact the supporting column 11 and continues to bend along with the connecting arm 131, and the hook 133 moves along the side surface for a certain distance, the hook 133 is clamped into the fixing groove 11a and is connected with the fixing groove 11a in a clamping manner.

Obviously, the cross section of the supporting column 11 may have other shapes, for example, the shape enclosed by the side circumference of the supporting column 11 is circular. At this time, the fixing groove 11a is opened to the side circumferential surface of the support post 11. Alternatively, the shape enclosed by the side circumferential surfaces of the supporting posts 11 is a polygonal shape, the cross section of the supporting posts 11 is a polygonal shape, the surface of the supporting posts 11 facing the bent connecting arm 131 is defined as a front surface and a surface connected to the front surface is defined as a side surface. At this time, the fixing groove 11a is opened at a side surface of the supporting post 11. It should be noted that the cross-sectional shape of the supporting post 11 includes, but is not limited to, the above-mentioned square, circle and polygon, and any other shape that can ensure that the supporting post 11 can pass through the slot 300a of the main board 300 may be adopted.

Referring to fig. 1 and 6, elastic buckle 13 is stressed more evenly when guaranteeing that pothook 133 and draw-in groove 300a card are held and are connected, thereby make pothook 133 more difficult drop from fixed slot 11a, so in this embodiment, fixed slot 11a is equipped with two, two fixed slots 11a locate the relative both sides of support column 11 relatively, for the setting of cooperation fixed slot 11a, pothook 133 also is equipped with two, two pothooks 133 are located the relative both sides of linking arm 131 respectively, two pothook 133's setting makes and makes the convenience of operating personnel when going into pothook 133 card in fixed slot 11a to hold pothook 133 and operate simultaneously, also make linking arm 131 and support column 11's connection more stable simultaneously.

In this embodiment, the supporting column 11 has two opposite ends along the extending direction thereof (for convenience, the extending direction of the supporting column 11 can be defined as the up-down direction), the fixing groove 11a extends from one end of the supporting column 11 to the other end of the supporting column 11 (i.e. the extending direction from the top to the bottom), the fixing groove 11a is configured to enable the hook 133 to be capable of arbitrarily adjusting the position of being connected with the fixing groove 11a along with the difference of the elastic deformation of the connecting arm 131, so as to ensure that the motherboard 300 is fixed on the housing 100 and the abutting surface 1313a, and avoid the occurrence of the phenomenon that the circuit of the motherboard 300 is damaged due to the over-tight pressure between the abutting surface 1313a and the housing 100.

Referring to fig. 3 to 6, in the present embodiment, the connection arm 131 includes a connection portion 1311 and a crimping portion 1313, the crimping portion 1313 is connected to the connection portion 1311, an end of the connection portion 1311 away from the crimping portion 1313 is connected to the support post 11, an abutting surface 1313a is a surface of the crimping portion 1313 away from the connection portion 1311, and the hook 133 is disposed on the connection portion 1311. The connecting portion 1311 can be bent toward the supporting post 11, and after the hook 133 and the supporting post 11 are clamped and connected, the pressing portion 1313 abuts against the motherboard 300, and the abutting surface 1313a abuts against a surface of the motherboard 300.

Referring to fig. 6, in the present embodiment, in order to ensure sufficient contact between the elastic clip 13 and the surface of the motherboard 300 and ensure that the motherboard 300 can be firmly fixed between the contact surface 1313a and the surface of the motherboard 300, at least a part of the contact surface 1313a covers the slot 300a, and at least a part of the contact surface is designed to contact the motherboard 300. Meanwhile, the cross section of the connecting portion 1311 is smaller than that of the abutting surface 1313a, so that the abutting surface 1313a can abut against the surface of the motherboard 300, the size of a gap between the hook 133 and the supporting column 11 when the hook 133 and the supporting column 11 are clamped and connected is reduced, the stability of the motherboard fixing structure 10 is improved, and materials are saved.

Specifically, to ensure that the main board 300 can be more stably fixed between the main board fixing structure 10 and the housing 100, the press-bonding part 1313 and the connecting part 1311 may be two long strips and perpendicular to each other, which is similar to a T-shaped structure. When the connecting portion 1311 moves toward the supporting post 11 so that the hooks 133 and the supporting post 11 are connected by being held, the crimping portion 1313 spans over the card slot 300 a. At this time, two ends of the pressing portion 1313 abut against the surface of the main board 300 near the side of the slot 300 a.

Referring to fig. 8, in order to prevent the main board 300 from directly contacting the surface of the housing 100, the circuit of the main board 300 is damaged due to abrasion, and therefore, preferably, the lower end of the supporting post 11 may be connected to the housing 100 through a supporting block 50, the supporting block 50 may be a part of the main board 300 as a support to support the main board 50 together with the supporting ribs 30 of the following embodiments, and of course, the supporting rib 30 may not be provided below, and the main board 300 may be supported by the upper surface of the supporting block 50. The supporting block 50 may also be used as a spacer, so that a certain gap exists between the motherboard 300 and the surface of the housing 100, thereby preventing the circuit of the motherboard 300 from being damaged due to abrasion caused by contact with the surface of the housing 100.

The utility model discloses still provide an automatically controlled box 1000, this automatically controlled box 1000 includes casing 100, mainboard 300 and apron 500. The housing 100 has an opening, and the cover plate 500 is used for covering the housing 100, so that the inside of the housing 100 is a closed space. The main board fixing structure 10 is disposed on the inner surface of the casing 100, and the specific structure of the main board fixing structure 10 refers to the above embodiments, and since the electronic control box 1000 adopts all technical solutions of all the above embodiments, at least all the beneficial effects brought by the technical solutions of the above embodiments are achieved, and no further description is given here. The main board fixing structure 10 is fixedly disposed on an inner surface of the housing 100, and the main board 300 is fixedly mounted inside the housing 100 through the main board fixing structure 10.

Specifically, the housing 100 may be optionally configured to be square, circular or in other shapes, the main board 300 and the cover board 500 may be in shapes that can match the shape of the housing 100, and the specific shape of the electronic control box 1000 may be arbitrarily defined according to actual requirements.

In this embodiment, the casing 100 includes a casing body and at least two support bars 30 disposed in the casing body, wherein the two support bars 30 are disposed at an interval, the number of the fixing structures is at least two, the main board 300 is provided with at least two slots 300a, one fixing structure is disposed corresponding to one slot 300a, and the main board 300 is abutted and fixed between the abutting surface 1313a and the support bars 30. The setting of brace 30 makes mainboard 300 fixed mounting have certain space clearance when the casing body is inside between mainboard 300 and the casing body, has avoided mainboard 300 direct and casing 100 laminating installation, wearing and tearing damage mainboard 300 circuit.

Specifically, referring to fig. 7, in this embodiment, the supporting ribs 30 include a first supporting portion 31 and a second supporting portion 33, the first supporting portion 31 is convexly disposed on the second supporting portion 33 at an interval, four supporting ribs 30 are disposed, four supporting ribs 30 enclose and form a square, the first supporting portion 31 is used for supporting the motherboard 300, so that a certain space gap is maintained between the motherboard 300 and the shell body, the second supporting portion 33 is used for fixing the motherboard 300 in the square space formed by enclosing, so as to limit the installation position of the motherboard 300, and ensure the installation stability of the motherboard 300.

The utility model discloses still provide an air conditioner, this air conditioner include mainboard fixed knot construct 10 in above-mentioned embodiment, and this mainboard fixed knot constructs 10's concrete structure and refers to above-mentioned embodiment, because this air conditioner has adopted the whole technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, and the repeated description is no longer given here.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. The utility model provides a mainboard fixed knot constructs for with mainboard fixed mounting in the casing, its characterized in that, the mainboard is equipped with the draw-in groove, mainboard fixed knot constructs and includes:

2. A main board fixing structure as claimed in claim 1, wherein the supporting post has a fixing groove, and the hook is connected to the fixing groove when the connecting arm is bent.

3. The main board fixing structure according to claim 2, wherein the shape defined by the peripheral surfaces of the supporting posts is a square shape, the supporting posts have opposite surfaces facing the bent connecting arms and side surfaces connected to the opposite surfaces, and the fixing grooves are opened in the side surfaces of the supporting posts;

4. A main plate fixing structure as claimed in claim 2, wherein the number of the fixing grooves is two, and the two fixing grooves are oppositely disposed at two opposite sides of the supporting column; the two hooks are respectively arranged on two opposite sides of the connecting arm.

5. A main board fixing structure as claimed in claim 2, wherein the supporting post has two ends disposed opposite to each other in an extending direction thereof, and the fixing groove extends from one end of the supporting post to the other end of the supporting post.

6. A main board fixing structure as claimed in any one of claims 1 to 5, wherein the connecting arm includes a connecting portion and a crimping portion connected to the connecting portion, an end of the connecting portion facing away from the crimping portion is connected to the supporting post, the abutment surface is provided on a surface of the crimping portion facing away from the connecting portion, and the hook is provided on the connecting portion.

7. A mainboard fixing structure according to claim 6, wherein the cross section of the connecting portion is smaller than that of the abutting surface, at least part of the abutting surface covers the clamping groove, and at least part of the abutting surface is used for abutting against the mainboard.

8. An electric control box, comprising a housing, a main board, and the main board fixing structure of any one of claims 1 to 7, wherein the main board is fixed inside the housing by the main board fixing structure.

9. An electrical control box according to claim 8, wherein the housing includes a housing body and at least two support ribs disposed in the housing body, two of the support ribs are disposed at intervals, the number of the main board fixing structures is at least two, the main board is provided with at least two slots, one of the main board fixing structures is disposed corresponding to one of the slots, and the main board is fixed between the abutting surface and the support rib in an abutting manner.

10. An air conditioner characterized by comprising the main board fixing structure as set forth in any one of claims 1 to 7;

alternatively, the air conditioner comprises an electrical control box according to any one of claim 8 or claim 9.