Anti-loosening connecting structure for plastic accessories
By using a plastic component anti-loosening connection structure, and employing multi-dimensional locking components such as internal fixing plates, U-shaped clamps, and damping springs, the loosening problem caused by environmental changes and vibrations is solved, achieving a stable connection of air conditioning components and improving the operational stability and service life of the air conditioner.
Patent Information
- Application Number
- CN202520056563.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-10
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2035-01-10
AI Technical Summary
The existing plastic fitting connection structure can loosen over long-term use due to factors such as changes in ambient temperature, vibration, and material aging, affecting the stability and service life of the air conditioner.
It adopts a plastic component anti-loosening connection structure, including an internal fixing plate, a U-shaped clamping plate, a connecting rod, a support plate, and anti-loosening components. Through the cooperation of multi-dimensional clamping and damping springs, it achieves precise positioning and stable connection.
It effectively prevents plastic parts from loosening and shaking, improves the stability and reliability of the connection, extends the service life of the air conditioner, and reduces the risk of failure.
Smart Images

Figure CN223677931U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of plastic fittings, especially to plastic fitting anti-loose connection structure. BACKGROUND
[0002] The plastic fitting anti-loose connection structure of the air conditioner can ensure the stable connection of the internal components of the air conditioner, prevent the falling caused by vibration, temperature change or long-time operation, effectively improve the connection strength and safety of the fitting, reduce the risk of failure, prolong the service life of the air conditioner by enhancing the connection stability, reduce the maintenance frequency, and improve the overall operation effect and safety of the equipment.
[0003] However, the existing plastic fitting anti-loose connection structure is loose during long-term use due to thermal expansion and contraction caused by environmental temperature changes, and the frequent start-stop or running vibration of the equipment can gradually weaken the fastening force of the connection part, causing the displacement of the parts. In addition, the aging and fatigue of the material can also reduce the stability of the connection structure, ultimately affecting the normal operation and service life of the equipment.
[0004] Therefore, the plastic fitting anti-loose connection structure is provided to meet the needs. UTILITY MODEL CONTENTS
[0005] The utility model discloses a plastic fitting anti-loose connection structure to solve the problems in the prior art.
[0006] To achieve the above object, the utility model adopts the following technical scheme: a plastic fitting anti-loose connection structure comprises:
[0007] An air conditioner indoor unit;
[0008] An air conditioner fixing assembly is arranged on the outer side of the air conditioner indoor unit, and comprises an internal fixing plate fixed on the outer side of the air conditioner indoor unit, wherein the internal fixing plate is provided with a back-shaped clamping plate, the outer side of the back-shaped clamping plate is provided with a first outwardly expanded clamping block, and the two sides of the internal fixing plate are provided with fixing grooves.
[0009] A loosening prevention assembly is arranged on the inner side of the air conditioner fixing assembly, and comprises a connecting rod fixed on the inside of the internal fixing plate, wherein the other end of the connecting rod is provided with a supporting plate, one side of the supporting plate is provided with an outwardly expanded plate, the side of the supporting plate away from the outwardly expanded plate is provided with a clamping plate, and the top of the air conditioner indoor unit is provided with a fixing block.
[0010] As a preferred embodiment, the top of the fixing block is provided with a button, the bottom of the button is provided with a second outwardly expanded clamping plate, and the bottom of the button away from the second outwardly expanded clamping plate is provided with a first damping spring.
[0011] The beneficial effect of the further scheme is that when the top button of the fixed block is pressed, the second outer expansion clamping plates on both sides are locked with the inner clamping plate of the fixed block, and the first damping spring at the bottom is reset after being pressed, which not only assists in unlocking, but also enhances the support of the inner clamping plate, thereby ensuring the stability of the structure.
[0012] As a preferred embodiment, the clamping assembly comprises a dustproof shell, a top clamping block is arranged at the top of the dustproof shell, a sliding clamping groove is formed in the inner side of the top clamping block, and a rotating clamping groove is formed in the bottom of the top clamping block away from the sliding clamping groove.
[0013] The beneficial effect of the further scheme is that the top of the dustproof shell of the clamping assembly is provided with a top clamping block, when installation, the sliding clamping groove in the inner side of the top clamping block is used to make it smoothly slide along the slot at the top of the air conditioner indoor unit, thereby achieving preliminary positioning, and the rotating clamping groove at the bottom is connected with the fixed shaft in the second damping spring, thereby ensuring the close connection of various components and improving the overall structural stability and assembly convenience.
[0014] Compared with the prior art, the advantages and positive effects of the utility model lie in that:
[0015] 1. The inner fixed plate is first closely connected with the air conditioner indoor unit to provide a basis for the entire fixed structure, the meandering clamping plate and the first outer expansion clamping block on the inner fixed plate can be accurately inserted into the meandering clamping groove of the dustproof shell of the clamping assembly to achieve preliminary fixation and effectively prevent horizontal displacement, and the fixed slot on both sides of the inner fixed plate is clamped and matched with the lower sliding clamping groove on the inner wall of the dustproof shell to further enhance the stability and ensure the close combination of various components, so that the air conditioner indoor unit is firmly installed.
[0016] 2. The connecting rod on the inner fixed plate provides reliable support for the support plate, so that the support plate can be stably positioned inside the air conditioner fixing assembly, the outer expansion plate on one side of the support plate plays a role in accurate positioning when the clamping plate on the other side is clamped with the top fixed block of the air conditioner indoor unit, thereby ensuring the accuracy of the clamping process and effectively preventing shaking or displacement due to loose connection, so that the entire air conditioner indoor unit installation structure is more compact and reliable. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is a front view of the plastic accessory anti-loose connection structure of the utility model;
[0018] Figure 2 It is a structure diagram of the air conditioner fixing assembly in the plastic accessory anti-loose connection structure of the utility model;
[0019] Figure 3 It is a structure diagram of the anti-loose assembly in the plastic accessory anti-loose connection structure of the utility model;
[0020] Figure 4The utility model discloses a structure diagram of the clamping assembly in the plastic accessory anti-loosening connecting structure.
[0021] Figure 5 The utility model discloses a structure diagram of the outside clamping groove in the plastic accessory anti-loosening connecting structure.
[0022] Reference signs
[0023] 1, air conditioner inner machine;
[0024] 2, air conditioner fixed assembly;21, internal fixed plate;22, back-shaped clamping plate;23, first outer expansion clamping block;24, fixed slot;
[0025] 3, clamping assembly;31, dustproof shell;32, top clamping block;33, sliding clamping groove;34, rotating clamping groove;35, back-shaped clamping groove;36, lower sliding clamping groove;
[0026] 4, anti-loosening assembly;41, connecting rod;42, support plate;43, outer expansion plate;44, clamping plate;45, fixed block;46, button;47, second outer expansion clamping plate;48, first damping spring;
[0027] 5, outside clamping groove;6, second damping spring;7, fixed shaft. DETAILED DESCRIPTION
[0028] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the range of the utility model protection.
[0029] As shown in Figure 1 - Figure 5 The utility model provides a technical scheme: plastic accessory anti-loosening connecting structure, comprising: air conditioner inner machine 1;
[0030] The air conditioner fixing assembly 2 is arranged on the outer side of the air conditioner indoor unit 1, and comprises an internal fixing plate 21 fixed on the outer side of the air conditioner indoor unit 1, wherein the internal fixing plate 21 is provided with a back-shaped clamping plate 22, and the outer side of the back-shaped clamping plate 22 is provided with a first outwardly expanded clamping block 23; and the two sides of the internal fixing plate 21 are provided with a fixing slot 24; the back-shaped clamping plate 22 and the first outwardly expanded clamping block 23 on the internal fixing plate 21 are accurately inserted into a back-shaped clamping groove 35 of a dustproof shell 31 of a clamping assembly 3 to achieve preliminary fixing and effectively prevent lateral displacement; and the fixing slot 24 on the two sides of the internal fixing plate 21 is clamped and matched with a lower sliding clamping groove 36 on the inner wall of the dustproof shell 31 to further enhance the stability and ensure that the components are tightly combined, so that the air conditioner indoor unit 1 is firmly installed.
[0031] The anti-loose assembly 4 is arranged on the inner side of the air conditioner fixing assembly 2, and comprises a connecting rod 41 fixed on the inner side of the internal fixing plate 21, wherein the other end of the connecting rod 41 is provided with a supporting plate 42, one side of the supporting plate 42 is provided with an outwardly expanded plate 43, and the other side of the supporting plate 42 away from the outwardly expanded plate 43 is provided with a clamping plate 44; and the top of the air conditioner indoor unit 1 is provided with a fixing block 45; the connecting rod 41 on the internal fixing plate 21 provides reliable support for the supporting plate 42, so that the supporting plate 42 can be stably arranged on the inner side of the air conditioner fixing assembly 2; when the outwardly expanded plate 43 on one side of the supporting plate 42 is clamped with the clamping plate 44 on the other side and the fixing block 45 on the top of the air conditioner indoor unit 1, the outwardly expanded plate 43 plays a role in accurate positioning, so as to ensure that the clamping process is accurate and reliable, effectively prevent shaking or displacement caused by loose connection, and make the entire air conditioner indoor unit 1 installation structure more compact and reliable.
[0032] Further, as shown in Figure 1 - Figure 3 The top of the fixing block 45 is provided with a button 46, the bottom of the button 46 is provided with a second outwardly expanded clamping plate 47, and the bottom of the button 46 away from the second outwardly expanded clamping plate 47 is provided with a first damping spring 48; when the button 46 on the top of the fixing block 45 is pressed, the second outwardly expanded clamping plates 47 on the two sides are clamped and locked with the internal clamping plate 44 of the fixing block 45, and the first damping spring 48 at the bottom is reset after being pressed, which not only assists in unlocking, but also enhances the support for the internal clamping plate 44, so as to ensure the stability of the structure and prevent loosening.
[0033] The above scheme still has the problem of unstable clamping, as shown in Figure 1 - Figure 4As shown: the clamping assembly 3 in this scheme includes a dustproof shell 31, the top of the dustproof shell 31 is provided with a top clamping block 32, the inner side of the top clamping block 32 is provided with a sliding clamping groove 33, the bottom of the top clamping block 32 away from the sliding clamping groove 33 is provided with a rotating clamping groove 34, the dustproof shell 31 of the clamping assembly 3 is provided with a top clamping block 32 at the top, during installation, the sliding clamping groove 33 in the inner side of the top clamping block 32 can make it smoothly slide along the slot at the top of the air conditioner indoor unit 1, realizing preliminary positioning, the rotating clamping groove 34 at the bottom is connected with the fixed shaft 7 inside the second damping spring 6, ensuring that each part is closely connected, improving the overall structural stability and assembly convenience.
[0034] Working principle: as shown in Figure 1 Figure 5 The inner fixed plate 21 is closely connected with the air conditioner indoor unit 1, providing support for connection, the back-shaped clamping plate 22 and the first outwardly expanded clamping block 23 are inserted into the back-shaped clamping groove 35 of the dustproof shell 31, limiting lateral displacement, completing preliminary fixation, the fixed slot 24 is clamped with the lower sliding clamping groove 36, limiting component movement from multiple dimensions, making the air conditioner indoor unit 1 firmly installed.
[0035] The connecting rod 41 supports the support plate 42, when the clamping plate 44 is clamped with the fixed block 45, the outwardly expanded plate 43 is positioned, preventing shaking and displacement, enhancing the structural compactness and reliability, the button 46 is pressed, the second outwardly expanded clamping plate 47 is clamped and locked inside the fixed block 45, the first damping spring 48 is pressed to reset, assisting in unlocking and enhancing the support of the clamping plate 44, ensuring the stability of the structure.
[0036] The top clamping block 32 at the top of the dustproof shell 31 plays a key role, the sliding clamping groove 33 is clamped with the slot at the top of the air conditioner indoor unit 1, realizing preliminary positioning, the rotating clamping groove 34 is connected with the fixed shaft 7, allowing rotation adjustment, adapting to the installation environment, ensuring that the parts are closely connected, improving stability and assembly convenience.
[0037] The back-shaped clamping plate 22 and the back-shaped clamping groove 35 are nested with each other, enhancing the connection rigidity, the first outwardly expanded clamping block 23 is in close contact with the edge of the clamping groove, further stabilizing the lateral connection, the fixed slot 24 is precisely connected with the lower sliding clamping groove 36, limiting vertical movement.
[0038] The clamping plate 44 and the fixed block 45 form a stable connection structure, the outwardly expanded plate 43 assists in positioning, ensuring accurate clamping, after the second outwardly expanded clamping plate 47 is locked, effectively fixing the related components, the first damping spring 48 provides elastic support and reset assistance for the clamping structure.
[0039] The top clamping block 32 is quickly positioned by the sliding clamping groove 33, the rotating clamping groove 34 is matched with the fixed shaft 7 in the outer clamping groove 5, the component connection adaptability is optimized, these components are matched with each other, vibration and external force impact are resisted, the failure risk is reduced, the air conditioner service life is prolonged, installation and maintenance are facilitated, and efficient operation of the air conditioner is ensured.
[0040] The above is only a preferred embodiment of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technology content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification of the above embodiments made according to the technical essence of the present application without departing from the technical scheme content of the present application still belongs to the protection scope of the technical scheme of the present application.
Claims
1. A plastic fitting anti-loosening connection structure characterized by comprising: Include: Air conditioner (1); Air conditioner fixed assembly (2), the air conditioner fixed assembly (2) is placed on the outside of air conditioner (1), the air conditioner fixed assembly (2) includes the inside fixed plate (21) fixed on the outside of air conditioner (1), the inside fixed plate (21) is all provided with the back-shaped clamping plate (22), the outside of back-shaped clamping plate (22) is all provided with the first outer expansion clamping block (23), the both sides of inside fixed plate (21) are all provided with fixed slot (24); Anti-loosening assembly (4), the anti-loosening assembly (4) is placed on the inside of air conditioner fixed assembly (2), the anti-loosening assembly (4) includes the connecting rod (41) fixed in the inside of inside fixed plate (21), the other end of connecting rod (41) is provided with support plate (42), the side of support plate (42) is provided with outer expansion plate (43), the side of support plate (42) away from outer expansion plate (43) is provided with clamping plate (44), the top of air conditioner (1) is provided with fixed block (45).
2. The plastic fitting anti-loosening connection structure according to claim 1, characterized by The top of fixed block (45) is provided with button (46), the bottom of button (46) is provided with second outer expansion clamping plate (47), the bottom of button (46) away from second outer expansion clamping plate (47) is provided with first damping spring (48).
3. The plastic fitting anti-loosening connection structure according to claim 1, characterized by The support plate (42) is clamped with fixed block (45) through clamping plate (44).
4. The plastic fitting anti-loosening connection structure according to claim 1, characterized by The outside of air conditioner fixed assembly (2) is provided with clamping assembly (3).
5. The plastic fitting anti-loosening connection structure according to claim 4, characterized by The clamping assembly (3) includes dustproof shell (31), the top of dustproof shell (31) is provided with top clamping block (32), the inside of top clamping block (32) is provided with sliding clamping groove (33), the bottom of top clamping block (32) away from sliding clamping groove (33) is provided with rotating clamping groove (34).
6. The plastic fitting anti-loosening connection structure according to claim 5, characterized by The inside of dustproof shell (31) is provided with back-shaped clamping groove (35), the both sides of dustproof shell (31) inner wall are provided with lower sliding clamping groove (36).
7. The plastic fitting anti-loosening connection structure according to claim 1, characterized by The top of air conditioner (1) is provided with outside clamping groove (5), the inside of outside clamping groove (5) is provided with fixed shaft (7), the fixed shaft (7) is provided with second damping spring (6).