Air conditioner shell screw locking device

Abstract

The utility model belongs to the technical field of air conditioner installation, and particularly relates to an air conditioner shell screw locking device which comprises a first lead screw, a first bolt head is fixedly connected to the outer end of the left side of the first lead screw, a nut is connected to the outer side of the middle end of the first lead screw in a threaded mode, and an inner threaded groove is formed in the inner side of the first bolt head. First clamping grooves which are opposite up and down are formed in the inner side of the internal thread groove at the same time, and an expansion assembly is arranged on the inner side of the first bolt head; according to the air conditioner shell screw locking device, the second lead screw is limited through the internal thread groove, the expansion ball is driven to move towards the left side, and therefore the first bolt head is expanded, the friction force between the nut and the first bolt head is increased, and the purpose of preventing falling is achieved. The screw is effectively prevented from loosening due to factors such as vibration and temperature change, and the stability and safety of equipment are improved. The service life of the air conditioner can be prolonged, faults caused by shell looseness are reduced, and the maintenance cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to air conditioner installation technical field, concretely is a kind of air conditioner shell screw anti-loose device. BACKGROUND

[0002] Air conditioner shell screw loosening is an important problem affecting air conditioner stability and service life.Screw loosening can be caused by temperature changes, vibration, improper installation and external environmental factors (such as humidity and salt spray, etc.), resulting in loose shell, increased noise, equipment damage or reduced heat dissipation performance.In order to deal with this problem, anti-loose device is necessary.With the development of air conditioner technology, the innovation of anti-loose technology continuously improves the safety, durability and performance of air conditioner.Although anti-loose device plays a significant role in improving equipment stability, it still faces challenges in material selection, durability and cost control.In general, the application of anti-loose technology not only prolongs the service life of air conditioner, but also reduces maintenance and maintenance costs, thereby improving user experience.

[0003] However, in the actual use process of the existing scheme, the shell is usually directly fixed by bolts and nuts, which may cause screw loosening, resulting in unstable shell, even falling off, increasing safety hazards.In addition, loose shell will exacerbate vibration, resulting in increased noise, affecting user experience.Unstable shell may also affect heat dissipation performance, reducing the cooling / heating effect of air conditioner, increasing energy consumption.Frequent inspection and tightening will increase maintenance costs, and long-term use may cause wear and tear of internal components of the equipment, shortening the service life of air conditioner.

[0004] Therefore, the utility model provides a kind of air conditioner shell screw anti-loose device. UTILITY MODEL CONTENT

[0005] In order to make up for the shortcomings of the prior art, solve the problem that directly using bolts and nuts to fix the shell may cause screw loosening, resulting in unstable shell, even falling off, increasing safety hazards, the utility model provides an air conditioner shell screw anti-loose device.

[0006] The utility model solves the technical scheme adopted for its technical problems: the utility model discloses a kind of air conditioner shell screw anti-loose device, including first screw rod, the first screw rod left side outer end is fixedly connected with first stud head, the first screw rod middle end outer side is connected with nut by screw thread, the first stud head inner side is equipped with internal thread groove, the internal thread groove inner side is equipped with the first clamping groove of upper and lower relative simultaneously, the first stud head inner side is provided with expansion assembly.

[0007] Further, the expansion assembly comprises a second screw rod, the second screw rod is screwed with the inner threaded groove, a second stud head is fixedly connected to the left outer end of the second screw rod, an expansion ball is fixedly connected to the right outer end of the second stud head, and the outer diameter of the expansion ball is slightly larger than the inner diameter of the inner threaded groove.

[0008] Further, the second screw rod is provided with a second clamping groove opposite in up and down direction on the outer side, and a clamping rod is slidably connected in the second clamping groove, and the clamping rod is clamped with the first clamping groove.

[0009] Further, the first screw rod is slidably connected with a gasket opposite in left and right direction on the outer side of the middle end, the gasket is rotatably connected with the first stud head, and the gasket is rotatably connected with the nut.

[0010] Further, the gasket is provided with a liquid storage groove on the inner side.

[0011] Further, the gasket is fixedly connected with evenly distributed sealing rings on the inner side, and the sealing rings are fixedly connected with rubber gaskets on the inner side.

[0012] The beneficial effects of the utility model are as follows:

[0013] 1. The air conditioner shell screw anti-loosening device, after the first screw rod and the first stud head are screwed, the second stud head is reversely rotated, the second screw rod is limited by the inner threaded groove, the expansion ball is driven to move to the left side, the first stud head is expanded, the friction between the nut and the first stud head is increased, the purpose of preventing falling is achieved, the screw is effectively prevented from loosening due to factors such as vibration and temperature change, and the stability and safety of equipment are improved. It can prolong the service life of the air conditioner, reduce the failure caused by the loosening of the shell, and reduce the maintenance cost.

[0014] 2. The air conditioner shell screw anti-loosening device, the gaskets on both sides are extruded in the fastening process, the thread locking glue stored in the liquid storage groove in the inner side of the gasket is forced to flow out through the opening of the rubber gasket, the first screw rod, the first stud head, the nut and the air conditioner shell are connected and fixed, the fastening effect is increased, and the purpose of increasing the fastening stability is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model will be further described in connection with the drawings.

[0016] Figure 1 It is the three-dimensional structure schematic of the utility model Figure 1 ;

[0017] Figure 2 It is the three-dimensional structure schematic of the utility model Figure 2 ;

[0018] Figure 3 is the cross-sectional structure schematic view of the first bolt head in the utility model;

[0019] Figure 4 is the cross-sectional structure schematic view of the first screw rod in the utility model;

[0020] Figure 5 is the cross-sectional structure schematic view of the gasket in the utility model;

[0021] In the drawing: 1, first screw rod; 11, first bolt head; 12, internal thread groove; 13, first clamping groove; 2, second bolt head; 21, second screw rod; 22, expansion assembly; 23, second clamping groove; 24, clamping rod; 3, nut; 4, gasket; 41, liquid storage groove; 42, sealing ring; 43, rubber gasket. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, purposes and effects realized by the utility model easy to understand, the utility model is further described below in combination with specific embodiments. EMBODIMENT

[0023] As shown in Figures 1 to 5 The utility model discloses a kind of air conditioner shell screw anti-loose devices, including first screw rod 1, first screw rod 1 left side outer end is fixedly connected with first bolt head 11, first bolt head 11 is supported and fixed by first screw rod 1, by rotating first bolt head 11, first screw rod 1 can be driven to rotate synchronously, first screw rod 1 middle end outer side is screw-connected with nut 3, first bolt head 11 is positioned to nut 3, and by first bolt head 11 and nut 3 cooperation, so that air conditioner shell can be fastened, first bolt head 11 inside is equipped with internal thread groove 12, internal thread groove 12 inside is equipped with the first clamping groove 13 of upper and lower relative simultaneously, first clamping groove 13 is arranged in the upper and lower two sides of internal thread groove 12, and first bolt head 11 inside is provided with expansion assembly.

[0024] The expansion assembly comprises a second screw rod 21, the second screw rod 21 is threadedly connected to the inner side of the inner threaded groove 12, the second screw rod 21 is limited by the inner threaded groove 12, the second screw rod 21 can be driven to move left and right by the inner threaded groove 12 when the second screw rod 21 rotates, the second screw rod 21 is fixedly connected to the outer end of the left side of the second bolt head 2, the second bolt head 2 is fixed by the second screw rod 21, so that the second screw rod 21 can be driven to rotate synchronously by rotating the second bolt head 2, the second bolt head 2 is fixedly connected to the outer end of the right side of the expansion ball 22, the expansion ball 22 is fixed by the second bolt head 2, the outer diameter of the expansion ball 22 is slightly larger than the inner diameter of the inner threaded groove 12, the second screw rod 21 and the expansion ball 22 are driven to rotate synchronously by rotating the second bolt head 2, so as to drive the second screw rod 21 and the expansion ball 22 to move to the left side, and the inner threaded groove 12 on the inner side of the first screw rod 1 is extruded by the expansion ball 22, so that the outer diameter of the first screw rod 1 increases, thereby increasing the friction between the first screw rod 1 and the nut 3.

[0025] The second screw rod 21 is provided with a second clamping groove 23 opposite in up and down direction on the outer side, a clamping rod 24 is slidably connected to the inner side of the second clamping groove 23, the clamping rod 24 is clamped and connected with the first clamping groove 13, the clamping rod 24 is clamped between the first clamping groove 13 and the second clamping groove 23, so as to limit the angle between the second screw rod 21 and the first screw rod 1, so that the second screw rod 21 is driven to rotate synchronously by the clamping rod 24 when the first screw rod 1 rotates, and the first screw rod 1 is supported by the second screw rod 21 to increase the overall strength.

[0026] The first screw rod 1 is slidably connected with a gasket 4 opposite in left and right direction on the outer side of the middle end, the gasket 4 is limited by the first screw rod 1, the gasket 4 is rotatably connected with the first bolt head 11, and the gasket 4 is rotatably connected with the nut 3.

[0027] The gasket 4 is provided with a liquid storage groove 41 on the inner side, the liquid storage groove 41 stores a thread locking glue.

[0028] The gasket 4 is fixedly connected with evenly distributed sealing rings 42 on the inner side, the sealing rings 42 are fixed by the gasket 4, the sealing rings 42 are fixedly connected with rubber gaskets 43 on the inner side, the rubber gaskets 43 are fixed by the sealing rings 42, and small openings are formed on the inner side of the rubber gaskets 43, so that the openings are tightly closed when not in use, and the rubber gaskets 43 flow out through the openings when subjected to pressure.

[0029] Working principle: when the air conditioner shell screw anti-loosening device is used, first, the gasket 4 is sleeved on the outside of the first screw rod 1, then the first screw rod 1 is inserted through the air conditioner shell, and then a gasket 4 is sleeved again, then the nut 3 is connected with the first screw rod 1, the first stud 11 is rotated, the first screw rod 1 is driven to rotate synchronously, the first clamping groove 13 and the second clamping groove 23 are connected through the clamping rod 24, so that the second screw rod 21, the second stud 2 and the expansion ball 22 are also driven to rotate synchronously, then the inner thread on the outside of the first screw rod 1 and the outer thread on the inside of the nut 3 are matched with each other, so that the nut 3 is driven to move to the left side, the air conditioner shell is fixed, the gasket 4 is extruded by the first stud 11 and the nut 3 in the process, the thread locking glue in the inside of the liquid storage groove 41 is forced to flow out through the opening in the inside of the rubber gasket 43, so that the first screw rod 1, the nut 3 and the air conditioner shell are locked, and after the first screw rod 1 and the nut 3 are fixed, the clamping rod 24 is extracted from the first clamping groove 13 and the second clamping groove 23, the angle limit between the first screw rod 1 and the second screw rod 21 is cancelled, and the second stud 2 is reversely rotated, the second screw rod 21 and the expansion ball 22 are driven to rotate synchronously through the second stud 2, the second screw rod 21 and the expansion ball 22 are driven to move to the left side through the limiting of the inner thread groove 12, and the inside of the first screw rod 1 is expanded by the expansion ball 22, the friction between the first screw rod 1 and the nut 3 is increased, and the fastening force between the first screw rod 1 and the nut 3 is improved.

[0030] The above-mentioned front, rear, left, right, top and bottom are based on the directions or positional relationships shown in the drawings, Figure 1 and are defined as front, left, right, top and bottom according to the standard of the observation angle of a person, and the like.

[0031] In the description of the present application, it should be understood that the directions or positional relationships indicated by the terms "center", "longitudinal", "transverse", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like are based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the scope of protection of the present application.

[0032] The basic principles, main features and advantages of the present application have been shown and described above. Those skilled in the art should understand that the present application is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only to illustrate the principles of the present application, and various changes and improvements can be made to the present application without departing from the spirit and scope of the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. An air conditioner housing screw anti-loosening device, characterized in that: The utility model comprises a first screw rod (1), wherein the left outer end of the first screw rod (1) is fixedly connected to a first bolt head (11), the outer side of the middle end of the first screw rod (1) is threadedly connected to a nut (3), an inner thread groove (12) is provided on the inner side of the first bolt head (11), and a first clamping groove (13) opposite to each other is provided on the inner side of the inner thread groove (12), and an expansion assembly is provided on the inner side of the first bolt head (11).

2. The air conditioner housing screw anti-loosening device according to claim 1, characterized in that: The expansion assembly comprises a second screw rod (21), the inner side of the internal thread groove (12) is threadedly connected to the second screw rod (21), the left outer end of the second screw rod (21) is fixedly connected to the second bolt head (2), and the right outer end of the second bolt head (2) is fixedly connected to the expansion ball (22), and the outer diameter of the expansion ball (22) is slightly larger than the inner diameter of the internal thread groove (12).

3. The air conditioner housing screw anti-loosening device according to claim 2, characterized in that: A second clamping groove (23) facing each other up and down is formed on the outer side of the second screw rod (21), and a clamping rod (24) is slidably connected to the inner side of the second clamping groove (23), and the clamping rod (24) is clamped and connected to the first clamping groove (13).

4. The air conditioner housing screw anti-loosening device according to claim 3, characterized in that: The outer side of the middle end of the first screw rod (1) is slidably connected to left and right opposite washers (4), the washers (4) are rotationally connected to the first bolt head (11), and the washers (4) are rotationally connected to the nut (3).

5. The air conditioner housing screw anti-loosening device according to claim 4, characterized in that: A liquid storage tank (41) is provided on the inner side of the gasket (4).

6. The air conditioner housing screw anti-loosening device according to claim 5, characterized in that: The inner side of the gasket (4) is fixedly connected to evenly distributed sealing rings (42), and the inner side of the sealing ring (42) is fixedly connected to a rubber gasket (43).

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