WO2020048200A1 - 一种卡扣结构及空调器 - Google Patents

一种卡扣结构及空调器 Download PDF

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Publication number
WO2020048200A1
WO2020048200A1 PCT/CN2019/093611 CN2019093611W WO2020048200A1 WO 2020048200 A1 WO2020048200 A1 WO 2020048200A1 CN 2019093611 W CN2019093611 W CN 2019093611W WO 2020048200 A1 WO2020048200 A1 WO 2020048200A1
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Prior art keywords
buckle
snap
protrusion
fit
card
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PCT/CN2019/093611
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English (en)
French (fr)
Inventor
黄家柏
尚彬
霍彪
Original Assignee
宁波奥克斯电气股份有限公司
奥克斯空调股份有限公司
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Publication of WO2020048200A1 publication Critical patent/WO2020048200A1/zh

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B1/00—Devices for securing together, or preventing relative movement between, constructional elements or machine parts
    • F16B1/02—Means for securing elements of mechanisms after operation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening

Definitions

  • the present disclosure relates to the technical field of air conditioning, and in particular, to a buckle structure and an air conditioner.
  • connection of multiple plastic parts mostly utilizes the elastic deformation of plastic, and is connected by buckles.
  • this connection method has the following disadvantages: assembly and disassembly are always difficult to balance. In order to facilitate disassembly, concessions must be made in terms of assembly reliability; for better reliability, concessions must be made in terms of easy disassembly.
  • the snap connection is often used in ordinary connection positions with lower reliability requirements and less force. It is usually difficult to weigh in terms of disassembly. Often, parts are disassembled after they are installed, and parts fail.
  • a snap structure including:
  • the first buckle including the card edge
  • the second buckle includes an oppositely disposed elastic member and a card holder, and a gap is provided between the elastic member and the card holder; an upper end surface of the card holder is provided with an opening, and the opening includes a first side wall and a first Two side walls, a first protrusion is provided on the first side wall, and a first engaging portion is formed between the second side wall and the first protrusion; the elastic member is close to the gap side A second protrusion is provided, and a second engaging portion is formed between the second protrusion and the card seat;
  • the card edge of the first buckle slides into the opening to be engaged with the first snap-in portion
  • the third clip includes a third clip, and the third clip is slid into the gap and is clipped by the second clip.
  • the first buckle includes a first buckle body.
  • the first buckle body is provided with a first through hole, and one side of the first through hole forms the first through hole. Card edge.
  • the second buckle further includes a second connection seat, the elastic member and the card seat are disposed on the same side of the second connection seat, and the second connection seat is at A second through hole is defined in a region between the elastic member and the card seat.
  • the elastic member is a U-shaped structure with a notch facing downward, and an edge of one side of the U-shaped structure is integrally formed with an edge of the second through hole.
  • a third protrusion is provided on the third engaging member, and the third protrusion slides into the gap and is engaged by the second engaging portion.
  • the first side wall is disposed on a side of the opening near the elastic member.
  • a third inclined surface is provided between the second side wall and an upper end surface of the card seat.
  • the first buckle further includes a first connecting base, and a reinforcing rib is disposed on the first buckle body, and the reinforcing rib and the first connecting base are perpendicular to each other.
  • the third protrusion is provided with a fifth inclined surface.
  • the fifth inclined surface and the elasticity Pieces abut.
  • an air conditioner including any of the above-mentioned snap structures.
  • the first buckle is provided on a base
  • the second buckle is provided on a middle frame
  • the third buckle is provided on a panel.
  • the first buckle, the second buckle and the third buckle of the present disclosure can realize the connection of the panel, the middle frame and the base at the same time, and the connection is firm, convenient for disassembly, and the design is delicate To improve service life.
  • FIG. 1 is an overall assembly diagram of a snap structure according to an embodiment of the present disclosure.
  • FIG. 2 is a schematic structural diagram of a first buckle.
  • FIG. 3 is a structural sectional view of the first buckle.
  • FIG. 4 is a schematic structural diagram of a second buckle.
  • FIG. 5 is a structural cross-sectional view of a second buckle.
  • FIG. 6 is a schematic structural diagram of a third buckle.
  • FIG. 7 is an assembly diagram of the first buckle and the second buckle.
  • FIG. 8 is a cross-sectional view of the overall structure of the snap structure.
  • FIG. 9 is an exploded view of a buckle assembly structure of an air conditioner according to another embodiment of the present disclosure.
  • the buckle structure includes:
  • the first buckle 1 includes a card edge 13.
  • the second buckle (2) includes an oppositely disposed elastic member (22) and a card seat (21), a gap is provided between the elastic member (22) and the card seat (21); the card seat (21)
  • the upper end surface 35) is provided with an opening (24), the opening (24) including a first side wall 36 and a second side wall 37, and the first side wall 36 and the second side wall 37 form the opening (24).
  • a first protrusion (27) is provided on the first side wall 36, and a first engaging portion 38 is formed between the second side wall 37 and the first protrusion (27); the elastic member ( 22)
  • a second protrusion (25) is provided near the gap, and a second engaging portion (28) is formed between the second protrusion (25) and the card seat (21).
  • the third clip 3 of the first clip 1 includes a third clip 32, and the third clip 32 slides into the gap and is snapped by the second clip 28.
  • the card edge 13 is passed through the opening 24 in one step, so that the first clip 1 and the first clip portion 38 are engaged. It should be noted that, because the card seat 21 has a certain elasticity, the card edge 13 is located in the opening 24. At this time, the cooperation between the card edge 13 and the first engaging portion 38 is not stable. The first engaging portion 38 will leave space for the card edge 13 to move.
  • the next step is to pass the third clamping member 32 from the second connecting seat 23 to the side of the card seat 21 through the second through hole 26, that is, away from the card seat from the second connecting seat 23.
  • One side of 21 passes through the second through hole 26, so that the third engaging member 32 is engaged by the second engaging portion 28 and abuts against the card seat 21.
  • one side of the third locking member 32 is in contact with the second protrusion 25, and the other side is in contact with the card seat 21.
  • the elastic member 22 is an elastic structure, there is a certain elastic margin when the third engaging member 32 is inserted.
  • the third clamping member 32 When disassembling, the third clamping member 32 is pulled out to release the locked state of the first buckle 1. At this time, the first buckle 1 may be pulled out again.
  • the advantage of this arrangement is that when the third clip 32 is inserted into the second through hole 26 and is engaged with the second clip 28, the third clip 3 is restricted at the same time , Locking the first buckle 1.
  • the connection between multiple parts is achieved through a buckle, which is firmly connected, convenient to disassemble, compact in design, and highly versatile.
  • the first buckle 1 includes a first buckle body 11.
  • the first buckle body 11 is provided with a first through hole 12.
  • One of the first through holes 12 is provided.
  • the side forms the card edge 13.
  • first through hole 12 may have a circular, elliptical, or polygonal structure, but a rectangle has the best effect.
  • the area from one side of the rectangle to the edge in the same direction of the first snap body 11 forms the Card edge 13.
  • the card edge 13 is provided with a first inclined surface 15 matching the first protrusion 27 on the side of the first through hole 12.
  • the contact area between the card edge 13 and the first protrusion 27 can be increased, and the frictional force can be increased; at the same time, a limiting structure is formed so that the card edge 13 cannot easily move, so that the card edge 13 and the The first engaging portion 38 is more securely engaged.
  • the second buckle 2 further includes a second connection base 23.
  • the elastic member 22 and the clip base 21 are disposed on the same side of the second connection base 23.
  • the second connection base 23 is in the elasticity.
  • a second through hole 26 is defined in an area between the component 22 and the card holder 21.
  • the elastic member 22 is a “U” -shaped structure with a notch facing the second through-hole 26, and an edge of one side of the “U” -shaped structure is in contact with the second through-hole 26.
  • the edge is integrally formed, and the other side faces the card holder 21. That is, an end of the “U” -shaped structure far from the card holder 21 is fixed to an edge of the second through-hole 26 away from the card holder 21, and the other end of the “U” -shaped structure is suspended from the second through-hole 26.
  • the "U" -shaped structure is provided with the second protrusion 25 near the second card holder 21 side, and a second engaging portion 28 is formed between the second projection 25 and the card holder 21;
  • the side of the second protrusion 25 facing the first buckle 1 is a fourth inclined surface 8.
  • the minimum distance between the side of the second protrusion 25 near the card seat 21 and the card seat 21 is d1.
  • a third protrusion 33 is provided on the third latching member 32.
  • the third protrusion 33 slides into the gap and is latched by the second latching portion 28.
  • a third protrusion 33 is provided on the third clip 32, and the third protrusion 33 is inserted into the second through hole 26 and abuts against the second protrusion 25; The other side of the piece 32 opposite to the third protrusion 33 is in contact with the card holder 21.
  • the distance from the side of the third protrusion 33 away from the card holder 21 to the side of the third card connector 32 near the card holder 21 is d2, d2> d1.
  • the third protrusion 33 needs to overcome the elastic resistance of the elastic member 22 when inserted, so that the elastic member 22 has a certain elastic deformation, and then communicates with the first The two latching portions 28 are latched.
  • the third protrusion 33 is provided with a fifth inclined surface 34.
  • the fifth inclined surface 34 and the elasticity can abut the sliding of the third engaging member 32, and the fifth inclined surface 34 can also be used as a force receiving surface, so that the elastic member 22 has a certain elasticity. Displacement.
  • a side of the second protrusion 25 opposite to the fourth inclined surface 8 is a sixth inclined surface 9.
  • the first side wall 36 is disposed on a side of the opening 24 near the elastic member 22.
  • the advantage of this arrangement is that the first protrusion 27 is located on the card seat near the elastic member 22, and the third engaging member 32 slides into the gap and is caught by the second engaging portion. At the same time as the 28 is engaged, the first side wall 36 is restricted, and the first side wall 36 itself has a certain elasticity, so that the engagement effect of the card edge 13 can be better increased.
  • the first inclined surface 15 is in contact with the second inclined surface 20 of the first protrusion 27 on the side of the opening 24.
  • the opening 24 is provided so that the card seat 21 has a structure in which the opening faces the first buckle 1.
  • the height of the side wall of the opening 24 near the second through hole 26 is higher than that of the card seat 21.
  • the height of the first protrusion 27 is slightly higher than the height of the first protrusion 27 near the upper end surface 35 of the first buckle 1. That is, the height of the side wall of the opening 24 near the second through hole 26 is higher than the height of the side wall far from the second through hole 26.
  • the height direction herein refers to a depth direction of the opening 24, that is, a direction perpendicular to the second connection base 23.
  • first protrusion 27 may also be disposed on a side wall of the opening 24 away from the second through hole 26.
  • a third inclined surface 7 is provided between the second side wall 37 and the upper end surface 35 of the card holder 21.
  • the minimum distance between the second inclined surface 20 and the third inclined surface 7 is d3, the thickness of the snap edge 13 is d4, and the thickness of the snap edge 13 is the thickness of the first snap body 11 Thickness, d3 ⁇ d4, when the card edge 13 passes through the opening 24, it is necessary to squeeze the first protrusion 27, so that the first protrusion 27 has a certain elastic displacement. After sliding into the opening 24, the first protrusion 27 returns to the initial position, and the opening 24 and the first protrusion 27 are combined to limit the card edge 13 so as to limit the first protrusion 27.
  • the snap 1 is limited.
  • the first buckle 1 further includes a first connecting base 14.
  • a reinforcing rib 16 is provided on the first buckling body 11, and the reinforcing rib 16 is connected to the first connecting base 14 and is perpendicular to each other.
  • the advantage of this arrangement is that the first buckle body 11 is provided with a first through hole 12, so the structure of the first buckle body 11 is relatively thin, so the way of adding reinforcing ribs is used to increase the first
  • the strength of a buckle body 11 increases the connection strength between the first buckle body 11 and the first connection base 14.
  • Another embodiment of the present disclosure provides an air conditioner including the buckle structure described in the above embodiment. As shown in FIG. 9, the first buckle 1 is disposed on the base 4, the second buckle 2 is disposed on the middle frame 5, and the third buckle 3 is disposed on the panel 6.
  • the first buckle 1 includes a first connection base 14, and the first connection base 14 is connected to the base 4 and can be fastened by a snap connection or a screw, but generally the effect is better,
  • the first connection seat 14 is integrally formed with the base 4. After the base 4 is molded, the first buckle 1 is also formed.
  • the second connection base 23 is connected to the middle frame 5 and can be fastened by snapping or screwing. However, generally, the second connection base 23 is integrally formed with the middle frame 5.
  • the third buckle 3 includes a third connection base 31.
  • the third connection base 31 is connected to the panel 6 and can be fastened by a snap connection or a screw. However, generally, the third connection is better.
  • the seat 31 is integrally formed with the panel 6.
  • buckle structure disclosed in the above embodiment can also be applied to other structures of an air conditioner, and simultaneously realizes the fastening of three parts on the air conditioner, such as the connection of a wiring cover, a middle frame and a base.
  • the first buckle 1 is connected to the base 4, the second buckle 2 is connected to the middle frame 5, and the third buckle 3 is connected to the panel.
  • the connection can realize the connection of the panel, the middle frame and the base at the same time, and the connection is firm, convenient to disassemble, the design is astonishing, and the service life is improved.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Connection Of Plates (AREA)
  • Clamps And Clips (AREA)

Abstract

一种卡扣结构和空调器，卡扣结构包括：第一卡扣（1），具有卡边（13）；第二卡扣（2），包括相对设置的弹性件（22）和卡座（21），弹性件（22）和卡座（21）间设置有间隙；卡座（21）的上端面（35）设置有开口（24），开口（24）包括第一侧壁（36）和第二侧壁（37），第一侧壁（36）上设置有第一凸起（27），第二侧壁（37）与第一凸起（27）之间形成第一卡接部（38）；弹性件（22）靠近间隙一侧设置有第二凸起（25），第二凸起（25）与卡座（21）之间形成第二卡接部（28）；第一卡扣（1）的卡边（13）滑入开口（24）与第一卡接部（38）卡接；第三卡扣（3），具有第三卡接件（32），第三卡接件（32）滑入间隙并与第二卡接部（28）卡接。该卡扣结构可实现多个零件之间的可靠连接，拆卸方便。

Description

一种卡扣结构及空调器 技术领域
本公开涉及空调技术领域，特别涉及一种卡扣结构及空调器。
背景技术
当前，多个塑胶件的连接多利用塑胶的弹性形变，通过扣位连接。但该连接方式存在以下缺陷：装配跟拆卸总是很难平衡，为了方便拆卸，在装配牢靠性方面就要做让步；为了更好的可靠性，则必须在易拆方面让步。卡扣连接常用于可靠性要求较低、受力较小普通连接位置，通常在拆装方面难以权衡，经常出现零件装入后再拆卸，零件失效的发生。
公开内容
根据本公开的一个方面，提供了一种卡扣结构，包括：
第一卡扣，包括卡边；
第二卡扣，包括相对设置的弹性件和卡座，所述弹性件和所述卡座间设置有间隙；所述卡座的上端面设置有开口，所述开口包括第一侧壁和第二侧壁，所述第一侧壁上设置有第一凸起，所述第二侧壁与所述第一凸起之间形成第一卡接部；所述弹性件靠近所述间隙一侧设置有第二凸起，所述第二凸起与所述卡座之间形成第二卡接部；
所述第一卡扣的所述卡边滑入所述开口与所述第一卡接部卡接；
第三卡扣，包括第三卡接件，所述第三卡接件滑入所述间隙并被所述第二卡接部卡接。
在本公开的一些实施例中，所述第一卡扣包括第一卡扣本体，所述第一卡扣本体上设置有第一通孔，所述第一通孔的其中一侧形成所述卡边。
在本公开的一些实施例中，所述第二卡扣还包括第二连接座，所述弹性件和所述卡座设置于所述第二连接座的同侧，所述第二连接座在所述弹性件和所述卡座之间的区域开设有第二通孔。
在本公开的一些实施例中，所述弹性件为缺口朝下的“U”形结构，所述“U”形结构其中一边的边缘与所述第二通孔的边缘一体成型。
在本公开的一些实施例中，所述第三卡接件上设置有第三凸起，所述 第三凸起滑入所述间隙并被第二卡接部卡接。
在本公开的一些实施例中，所述第一侧壁设置在所述开口靠近所述弹性件一侧。
在本公开的一些实施例中，所述第二侧壁与所述卡座的上端面之间设置有过渡的第三斜面。
在本公开的一些实施例中，所述第一卡扣还包括第一连接座，所述第一卡扣本体上设置有加强筋，所述加强筋与所述第一连接座相互垂直。
在本公开的一些实施例中，所述第三凸起上设置有第五斜面，当所述第三卡接件滑入所述第二卡接部时，所述第五斜面与所述弹性件相抵接。
根据本公开的另一方面，还提供了一种空调器，包括上述任一卡扣结构。
在本公开的一些实施例中，所述第一卡扣设置于底座上，所述第二卡扣设置于中框上，所述第三卡扣设置于面板上。
本公开的所述第一卡扣、所述第二卡扣与所述第三卡扣能够同时实现所述面板、所述中框和所述底座的连接，并且连接牢靠，方便拆卸，设计精巧，提高使用寿命。
为使本公开的上述目的、特征和优点能更明显易懂，下文特举优选实施例，并配合所附附图，作详细说明如下。
附图说明
为了更清楚地说明本公开实施例的技术方案，下面将对实施例中所需要使用的附图作简单地介绍。应当理解，以下附图仅示出了本公开的某些实施例，因此不应被看作是对范围的限定。对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他相关的附图。
图1为本公开实施例卡扣结构的整体装配图。
图2为第一卡扣的结构示意图。
图3为第一卡扣的结构剖视图。
图4为第二卡扣的结构示意图。
图5为第二卡扣的结构剖视图。
图6为第三卡扣的结构示意图。
图7为第一卡扣与第二卡扣装配示意图。
图8为卡扣结构整体结构的剖视图。
图9为本公开另一实施例空调器的卡扣装配结构的爆炸图。
【符号说明】
1-第一卡扣，2-第二卡扣，3-第三卡扣，4-底座，5-中框，6-面板，7-第三斜面，8-第四斜面，9-第六斜面，11-第一卡扣本体，12-第一通孔，13-卡边，14-第一连接座，15-第一斜面，16-加强筋，20-第二斜面，21-卡座，22-弹性件，23-第二连接座，24-开口，25-第二凸起，26-第二通孔，27-第一凸起，28-第二卡接部，31-第三连接座，32-第三卡接件，33-第三凸起，34-第五斜面；35-上端面；36-第一侧壁；37-第二侧壁；38-第一卡接部。
具体实施方式
为使本公开的目的、技术方案和优点更加清楚明白，以下结合具体实施例，并参照附图，对本公开进一步详细说明。其中一些但并非全部的实施例将被示出。实际上，本公开的各种实施例可以许多不同形式实现，而不应被解释为限于此数所阐述的实施例。在不冲突的情况下，本公开中的实施例及实施例中的特征可以相互组合。
在本公开一实施例提供了一种卡扣结构，如图1至图8所示，该卡扣结构包括：
第一卡扣1，包括卡边13。
第二卡扣(2)，包括相对设置的弹性件(22)和卡座(21)，所述弹性件(22)和所述卡座(21)间设置有间隙；所述卡座(21)的上端面35设置有开口(24)，所述开口(24)包括第一侧壁36和第二侧壁37，第一侧壁36和第二侧壁37形成所述开口(24)。所述第一侧壁36上设置有第一凸起(27)，所述第二侧壁37与所述第一凸起(27)之间形成第一卡接部38；所述弹性件(22)靠近所述间隙一侧设置有第二凸起(25)，所述第二凸起(25)与所述卡座(21)之间形成第二卡接部(28)。所述第一卡扣1的第三卡扣3，包括第三卡接件32，所述第三卡接件32滑入所述间隙并被所述第二卡接部28卡接。
安装时，先一步将所述卡边13穿过所述开口24，使所述第一卡扣1与所述第一卡接部38卡接。需要说明的是，由于所述卡座21具有一定的弹性，所述卡边13位于所述开口24中，此时，所述卡边13与所述第一 卡接部38的配合并不稳固，所述第一卡接部38会留有所述卡边13移动的空间。
后一步将所述第三卡接件32从第二连接座23上相对于所述卡座21一侧穿过所述第二通孔26，即从第二连接座23的背离所述卡座21的一侧穿过所述第二通孔26，使所述第三卡接件32被所述第二卡接部28卡接，并与所述卡座21相抵接。此时，所述第三卡接件32一面与所述第二凸起25相抵接，相对的另一面则与所述卡座21相抵接。需要说明的是，由于所述弹性件22为弹性结构，所述第三卡接件32插入时会有一定的弹性裕度，当所述第三卡接件32被所述第二卡接部28卡接后，则会限制所述卡座21的弹性位移，进一步限制所述卡边13的位移，这时，所述卡边13得到相对稳定的限位，所述第一卡扣1得到锁定。
拆卸时，将所述第三卡接件32拔出，即可解除所述第一卡扣1的锁定状态，这时，再将所述第一卡扣1拔出即可。
这样设置的好处在于，当所述第三卡接件32插入所述第二通孔26并与所述第二卡接部28卡接时，在所述第三卡扣3得到限位的同时，对所述第一卡扣1进行锁定。通过一个扣位实现多个零件之间的连接，连接牢靠，拆卸方便，设计精巧，通用性强。
如图2和3所示，所述第一卡扣1包括第一卡扣本体11，所述第一卡扣本体11上设置有第一通孔12，所述第一通孔12的其中一侧形成所述卡边13。
需要说明的是，所述第一通孔12可以是圆形，椭圆形，或者多边形结构，但矩形效果最佳，矩形的一边到所述第一卡扣本体11同一方向边缘的区域形成所述卡边13。
如图2和3所示，所述卡边13在所述第一通孔12一侧设置有与所述第一凸起27相匹配的第一斜面15。
这样可以增大所述卡边13与所述第一凸起27的接触面积，增大摩擦力；同时形成限位结构使所述卡边13不会轻易移动，从而使所述卡边13与所述第一卡接部38卡接更加牢固。
所述第二卡扣2还包括第二连接座23，所述弹性件22和所述卡座21设置于所述第二连接座23的同侧，所述第二连接座23在所述弹性件22 和所述卡座21之间的区域开设有第二通孔26。
如图4和图5所示，所述弹性件22为缺口朝向所述第二通孔26的“U”形结构，所述“U”形结构其中一边的边缘与所述第二通孔26的边缘一体成型，另一边朝向所述卡座21。即“U”形结构远离卡座21的一端固定在第二通孔26远离卡座21的边缘，“U”形结构的另一端悬空于第二通孔26上。
这种情况下，所述“U”形结构靠近所述第二卡座21一侧设置有所述第二凸起25，与所述卡座21之间形成第二卡接部28；所述第二凸起25朝向所述第一卡扣1的一侧为第四斜面8，所述第二凸起25靠近所述卡座21的一侧与所述卡座21之间的最小距离为d1。
如图6至图8所示，所述第三卡接件32上设置有第三凸起33，所述第三凸起33滑入所述间隙并被第二卡接部28卡接。
所述第三卡接件32上设置有第三凸起33，所述第三凸起33插入所述第二通孔26并与所述第二凸起25相抵接；所述第三卡接件32上相对于所述第三凸起33的另一侧与所述卡座21相抵接。
这种情况下，所述第三凸起33远离所述卡座21一侧到所述第三卡接件32上靠近所述卡座21一侧的距离为d2，d2＞d1。需要说明的是，所述第三卡接件32被所述第二卡接部28卡接时，需要所述第三凸起33穿过所述第二凸起25与所述卡座21之间的间隙，而此时d2＞d1，因此，所述第三凸起33插入时需要克服所述弹性件22的弹性阻力，使所述弹性件22产生一定的弹性变形，然后与所述第二卡接部28卡接。
而此时，所述第三凸起33上设置有第五斜面34，当所述第三卡接件32滑入所述第二卡接部28时，所述第五斜面34与所述弹性件22相抵接，所述第五斜面34的设置可以便于所述第三卡接件32的滑入，所述第五斜面34也可以作为受力面，使所述弹性件22产生一定的弹性位移。
相匹配的，所述第二凸起25与所述第四斜面8相对的一侧为第六斜面9，当所述第三卡接件32滑入所述第二卡接部28时，所述第五斜面34沿着所述第六斜面9滑入所述第二卡接部28。
如图7和图8所示，所述第一侧壁36设置在所述开口24靠近所述弹性件22一侧。
这样设置的好处在于，所述第一凸起27位于所述卡座上靠近所述弹性件22一侧，所述第三卡接件32滑入所述间隙并被所述第二卡接部28卡接的同时，对所述第一侧壁36进行限位，所述第一侧壁36本身具有一定的弹性，因此可以更好地增加所述卡边13的卡接效果。
所述第一斜面15与所述第一凸起27在所述开口24一侧的第二斜面20相抵接。
所述开口24的设置，使所述卡座21为开口朝向所述第一卡扣1的结构，所述开口24靠近所述第二通孔26的侧壁的高度高于所述卡座21上靠近所述第一卡扣1的上端面的高度，所述第一凸起27的高度略高于所述卡座21上靠近所述第一卡扣1的上端面35的高度。即所述开口24靠近所述第二通孔26的侧壁的高度高于远离所述第二通孔26的侧壁的高度。这里的高度方向指的是所述开口24的深度方向，即垂直于所述第二连接座23的方向。
这里需要说明的是，所述第一凸起27也可以设置于所述开口24远离所述第二通孔26的侧壁。
所述第二侧壁37与所述卡座21的上端面35之间设置有过渡的第三斜面7。
这种情况下，第二斜面20与第三斜面7之间的最小距离为d3，所述卡边13的厚度为d4，所述卡边13的厚度即为所述第一卡扣本体11的厚度，d3≤d4，所述卡边13穿过所述开口24时，需要对第一凸起27产生挤压，使所述第一凸起27产生一定的弹性位移，当所述卡边13滑入所述开口24后，所述第一凸起27恢复到初始位置，所述开口24与所述第一凸起27结合起来对所述卡边13进行限位，从而对所述第一卡扣1进行限位。
所述第一卡扣1还包括第一连接座14，所述第一卡扣本体11上设置有加强筋16，所述加强筋16与所述第一连接座14连接且相互垂直。
这样设置的好处在于，所述第一卡扣本体11上开设有第一通孔12，所以所述第一卡扣本体11的结构相对单薄，因此采用增加加强筋的方式，来增加所述第一卡扣本体11的强度，同时，增加所述第一卡扣本体11与所述第一连接座14之间的连接强度。
本公开另一实施例提供一种空调器，包括上述实施例所述的卡扣结构。如图9所示，所述第一卡扣1设置于底座4上，所述第二卡扣2设置于中框5上，所述第三卡扣3设置于面板6上。
需要说明的是，所述第一卡扣1包括第一连接座14，所述第一连接座14与所述底座4连接，可以通过卡接或者螺钉紧固，但通常效果比较好的是，所述第一连接座14与所述底座4一体成型。所述底座4出模成型后，所述第一卡扣1也随之形成。
所述第二连接座23与所述中框5连接，可以通过卡接或者螺钉紧固，但通常效果比较好的是，所述第二连接座23与所述中框5一体成型。
所述第三卡扣3包括第三连接座31，所述第三连接座31与所述面板6连接，可以通过卡接或者螺钉紧固，但通常效果比较好的是，所述第三连接座31与所述面板6一体成型。
应当理解的是，上述实施例公开的卡扣结构还可以应用于空调器的其他结构，同时实现空调器上3个零件的紧固，例如接线盖、中框和底座等的连接中。
本实施例所述的卡扣结构，所述第一卡扣1与所述底座4连接，所述第二卡扣2与所述中框5连接，所述第三卡扣3与所述面板连接，能够同时实现所述面板、所述中框和所述底座的连接，并且连接牢靠，方便拆卸，设计精巧，提高使用寿命。
以上的详细描述通过使用示意图、流程图和/或示例，已经阐述了上述空净一体机的众多实施例。在这种示意图、流程图和/或示例包含一个或多个功能和/或操作的情况下，本领域技术人员应理解，这种示意图、流程图或示例中的每一功能和/或操作可以通过各种结构、硬件、软件、固件或实质上它们的任意组合来单独和/或共同实现。
除非存在技术障碍或矛盾，本公开的上述各种实施例可以自由组合以形成另外的实施例，这些另外的实施例均在本公开的保护范围中。
虽然结合附图对本公开进行了说明，但是附图中公开的实施例旨在对本公开优选实施方式进行示例性说明，而不能理解为对本公开的一种限制。附图中的尺寸比例仅仅是示意性的，并不能理解为对本公开的限制。
虽然本公开总体构思的一些实施例已被显示和说明，本领域普通技术 人员将理解，在不背离本公开发明构思的原则和精神的情况下，可对这些实施例做出改变，本公开的范围以权利要求和它们的等同物限定。

Claims (11)

  1. 一种卡扣结构，其特征在于，包括：
    第一卡扣(1)，包括卡边(13)；
    第二卡扣(2)，包括相对设置的弹性件(22)和卡座(21)，所述弹性件(22)和所述卡座(21)间设置有间隙；所述卡座(21)的上端面(35)设置有开口(24)，所述开口(24)包括第一侧壁(36)和第二侧壁(37)，所述第一侧壁(36)上设置有第一凸起(27)，所述第二侧壁(37)与所述第一凸起(27)之间形成第一卡接部(38)；所述弹性件(22)靠近所述间隙一侧设置有第二凸起(25)，所述第二凸起(25)与所述卡座(21)之间形成第二卡接部(28)；
    所述第一卡扣(1)的所述卡边(13)滑入所述开口(24)与所述第一卡接部(38)卡接；
    第三卡扣(3)，包括第三卡接件(32)，所述第三卡接件(32)滑入所述间隙并被所述第二卡接部(28)卡接。
  2. 如权利要求1所述的卡扣结构，其特征在于，所述第一卡扣(1)包括第一卡扣本体(11)，所述第一卡扣本体(11)上设置有第一通孔(12)，所述第一通孔(12)的其中一侧形成所述卡边(13)。
  3. 如权利要求1所述的卡扣结构，其特征在于，所述第二卡扣(2)还包括第二连接座(23)，所述弹性件(22)和所述卡座(21)设置于所述第二连接座(23)的同侧，所述第二连接座(23)在所述弹性件(22)和所述卡座(21)之间的区域开设有第二通孔(26)。
  4. 如权利要求3所述的卡扣结构，其特征在于，所述弹性件(22)为缺口朝下的“U”形结构，所述“U”形结构其中一边的边缘与所述第二通孔(26)的边缘一体成型。
  5. 如权利要求1所述的卡扣结构，其特征在于，所述第三卡接件(32)上设置有第三凸起(33)，所述第三凸起(33)滑入所述间隙并被第二卡接部(28)卡接。
  6. 如权利要求1所述的卡扣结构，其特征在于，所述第一侧壁(36)设置在所述开口(24)靠近所述弹性件(22)一侧。
  7. 如权利要求1所述的卡扣结构，其特征在于，所述第二侧壁(37) 与所述卡座(21)的上端面(35)之间设置有过渡的第三斜面(7)。
  8. 如权利要求1所述的卡扣结构，其特征在于，所述第一卡扣(1)还包括第一连接座(14)，所述第一卡扣本体(11)上设置有加强筋(16)，所述加强筋(16)与所述第一连接座(14)相互垂直。
  9. 如权利要求5所述的卡扣结构，其特征在于，所述第三凸起(33)上设置有第五斜面(34)，当所述第三卡接件(32)滑入所述第二卡接部(28)时，所述第五斜面(34)与所述弹性件(22)相抵接。
  10. 一种空调器，其特征在于，包括权利要求1-9任一所述的卡扣结构。
  11. 如权利要求10所述的空调器，其特征在于，所述第一卡扣(1)设置于底座(4)上，所述第二卡扣(2)设置于中框(5)上，所述第三卡扣(3)设置于面板(6)上。
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