Scroll plate sealing device of scroll air compressor

Abstract

The utility model discloses a scroll plate sealing device of a scroll air compressor, which relates to the technical field of air compressors and comprises a movable scroll plate surface and a static scroll plate surface, the static scroll plate surface is buckled at the upper end of the movable scroll plate surface, the upper end of the movable scroll plate surface is fixedly connected with movable plate scroll rolling teeth, and the movable plate scroll rolling teeth are fixedly connected with movable plate scroll rolling teeth. The first sealing block and the second sealing block which are in an L shape are arranged to form a double-layer sealing structure, double sealing of compressed gas is achieved, the sealing effect is good, the sealing effect is good, the sealing effect is good, and the sealing effect is good. The sealing device can effectively reduce the gas leakage amount and improve the efficiency of the scroll air compressor, can automatically adapt to deformation of the scroll plate due to factors such as temperature and pressure by utilizing an elastic compensation mechanism of the first spring and the second spring, ensures the stability of a sealing gap, and achieves the effects of prolonging the service life of the sealing device and reducing the maintenance cost.

Description

TECHNICAL FIELD

[0001] The utility model relates to air compressor technology field, concretely relates to a scroll air compressor scroll plate sealing device. BACKGROUND

[0002] The scroll air compressor is a positive displacement compressor, mainly comprising a dynamic scroll plate and a static scroll plate. Its working principle is that the eccentric rotation of the dynamic scroll plate relative to the static scroll plate changes the volume of the compression cavity formed between the two plates, thereby realizing the processes of gas suction, compression and discharge. In the actual operation of the scroll air compressor, the sealing performance of the scroll plate is crucial. Good sealing can prevent compressed gas leakage and improve the efficiency and performance of the compressor.

[0003] Traditional scroll plate sealing usually adopts a single-layer sealing structure. After long-term use, the sealing element is prone to wear, leading to a decrease in sealing performance and an increase in gas leakage, thereby reducing the efficiency of the compressor. Since the scroll plate will be deformed due to factors such as temperature and pressure during operation, the existing sealing structure cannot effectively compensate for this deformation, resulting in an increase in sealing gap and further exacerbating gas leakage. Therefore, a scroll air compressor scroll plate sealing device is proposed to solve the above problems. SUMMARY

[0004] To solve the above technical problems, a scroll air compressor scroll plate sealing device is provided. This technical solution solves the problem of traditional scroll plate sealing, which usually adopts a single-layer sealing structure. After long-term use, the sealing element is prone to wear, leading to a decrease in sealing performance and an increase in gas leakage, thereby reducing the efficiency of the compressor. Since the scroll plate will be deformed due to factors such as temperature and pressure during operation, the existing sealing structure cannot effectively compensate for this deformation, resulting in an increase in sealing gap and further exacerbating gas leakage.

[0005] To achieve the above purposes, the technical solution adopted by the utility model is as follows:

[0006] A scroll air compressor scroll plate sealing device, comprising a dynamic scroll plate surface and a static scroll plate surface, the static scroll plate surface is buckled on the upper end of the dynamic scroll plate surface, the upper end of the dynamic scroll plate surface is fixedly connected with a dynamic plate scroll gear, the lower end of the static scroll plate surface is fixedly connected with a static plate scroll gear, the upper end of the dynamic plate scroll gear and the lower end of the static plate scroll gear are both provided with a sealing groove, the inside of the sealing groove is fixedly connected with symmetrically distributed first and second springs, the other end of the first spring is fixedly connected with a first connecting plate, the other end of the second spring is fixedly connected with a second connecting plate, the end of the first connecting plate away from the first spring is fixedly connected with a first sealing block, and the end of the second connecting plate away from the second spring is fixedly connected with a second sealing block.

[0007] Preferably, the second sealing block and the first sealing block located on the scroll wrap of the moving disc are in abutment with the lower end of the face of the static scroll at the end away from the scroll wrap of the moving disc, and the second sealing block and the first sealing block located on the face of the static scroll are in abutment with the upper end of the face of the moving scroll at the end away from the face of the static scroll.

[0008] Preferably, the first connecting plate and the second connecting plate are both slidingly connected to the inside of the sealing groove.

[0009] Preferably, the end of the first sealing block close to the second sealing block is slidingly connected to the end of the second sealing block close to the first sealing block.

[0010] Preferably, the end of the second connecting plate close to the first connecting plate is slidingly connected to the end of the first connecting plate close to the second connecting plate.

[0011] Preferably, the end of the first sealing block and the second sealing block close to the face of the static scroll and the scroll wrap of the moving disc is fixedly connected with a sealing strip.

[0012] The utility model has the beneficial effects compared with the prior art:

[0013] The utility model discloses a scroll air compressor scroll plate sealing device, through setting up first sealing block and second sealing block of L -shaped double -layer sealing structure is formed, realized to the double sealing of compressed gas, can effectively reduce the leakage of gas, improve the efficiency of scroll air compressor, utilize the elastic compensation mechanism of first spring and second spring, can automatically adapt the deformation of scroll plate because of temperature, pressure and other factors, guarantee the stability of sealing gap, reach the effect of prolonging the service life of sealing device, reduce maintenance cost. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the structural schematic diagram of the utility model;

[0015] Figure 2 It is the structural schematic diagram of the face of the moving scroll plate in the utility model;

[0016] Figure 3 It is the structural schematic diagram of the face of the static scroll plate in the utility model;

[0017] Figure 4 It is the structural schematic diagram of the sealing groove in the utility model;

[0018] Figure 5 It is Figure 4 The local enlarged schematic diagram of A in the utility model.

[0019] The figure mark is:

[0020] 1, the dynamic scroll face; 2, the static scroll face; 3, the dynamic scroll wrap tooth; 4, the static scroll wrap tooth; 5, the sealing groove; 6, the first spring; 7, the second spring; 8, the first connecting plate; 9, the second connecting plate; 10, the first sealing block; 11, the second sealing block. DETAILED DESCRIPTION

[0021] The following description is used to disclose the utility model so that those skilled in the art can implement the utility model. The preferred embodiments in the following description are only as examples, and other obvious variants can be conceived by those skilled in the art.

[0022] Referring to Figures 1-5 As shown in the figure, a kind of scroll air compressor scroll seal device, including dynamic scroll face 1 and static scroll face 2, static scroll face 2 is buckled in the upper end of dynamic scroll face 1, the upper end of dynamic scroll face 1 is fixedly connected with dynamic scroll wrap tooth 3, the lower end of static scroll face 2 is fixedly connected with static scroll wrap tooth 4, the upper end of dynamic scroll wrap tooth 3 and the lower end of static scroll wrap tooth 4 are all provided with sealing groove 5, the inside of sealing groove 5 is fixedly connected with the first spring 6 and the second spring 7 of symmetrical distribution, the other end of first spring 6 is fixedly connected with the first connecting plate 8, the other end of second spring 7 is fixedly connected with the second connecting plate 9, the end of first connecting plate 8 away from first spring 6 is fixedly connected with the first sealing block 10, the end of second connecting plate 9 away from second spring 7 is fixedly connected with the second sealing block 11.

[0023] Further, the end of second sealing block 11 and first sealing block 10 away from dynamic scroll wrap tooth 3 on dynamic scroll wrap tooth 3 is in abutment with the lower end of static scroll face 2, the end of second sealing block 11 and first sealing block 10 away from static scroll face 2 on static scroll face 2 is in abutment with the upper end of dynamic scroll face 1.

[0024] Further, the first connecting plate 8 and the second connecting plate 9 are all slidingly connected in the inside of sealing groove 5.

[0025] Further, the end of first sealing block 10 close to second sealing block 11 is slidingly connected with the end of second sealing block 11 close to first sealing block 10.

[0026] Further, the end of second connecting plate 9 close to first connecting plate 8 is slidingly connected with the end of first connecting plate 8 close to second connecting plate 9.

[0027] Further, the first sealing block 10 and the second sealing block 11 are all L-shaped, with a certain spacing, can be independently sliding under the action of first spring 6 and second spring 7, and the sealing effect is independent of each other, forming double sealing structure, which can effectively improve the sealing property of the device.

[0028] Further, the two first sealing blocks 10 and second sealing blocks 11 are fixedly connected with sealing strips near one end of the static scroll face 2 and the dynamic scroll face 3.

[0029] Working principle: when the scroll air compressor works, the dynamic scroll face 1 makes eccentric rotation relative to the static scroll face 2, in this process, the first spring 6 and the second spring 7 provide elastic force for the first sealing block 10 and the second sealing block 11 respectively, so that they are tightly abutted on the opposite scroll face, when the scroll face is deformed due to temperature, pressure and other factors, the spring can automatically stretch and shrink, compensate the change of the sealing gap, ensure that the first sealing block 10 and the second sealing block 11 always maintain good contact with the opposite scroll face, so as to realize effective sealing, at the same time, the double-layer sealing structure formed by the first sealing block 10 and the second sealing block 11 can further improve the sealing performance and reduce the gas leakage.

[0030] The basic principle, main features and advantages of the utility model are shown and described above. The skilled in the art should understand that the utility model is not limited by the above-mentioned embodiments, the above-mentioned embodiments and the description in the specification are only the principles of the utility model, various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed for protection. The protection scope required by the utility model is defined by the appended claims and their equivalents.

Claims

1. A scroll disc sealing device for a scroll air compressor, characterized in that, The utility model relates to a sealing structure of scroll compressor, including dynamic scroll disc surface (1) and static scroll disc surface (2), static scroll disc surface (2) buckles in the upper end of dynamic scroll disc surface (1), the upper end of dynamic scroll disc surface (1) is fixedly connected with dynamic disc scroll tooth (3), the lower end of static scroll disc surface (2) is fixedly connected with static disc scroll tooth (4), the upper end of dynamic disc scroll tooth (3) and the lower end of static disc scroll tooth (4) are all set with sealing groove (5), the inside of sealing groove (5) is fixedly connected with the first spring (6) and the second spring (7) of symmetry distribution, the other end of first spring (6) is fixedly connected with the first connecting plate (8), the other end of second spring (7) is fixedly connected with the second connecting plate (9), the one end of first connecting plate (8) away from first spring (6) is fixedly connected with the first sealing block (10), the one end of second connecting plate (9) away from second spring (7) is fixedly connected with the second sealing block (11).

2. The scroll seal of claim 1, wherein: The one end of second sealing block (11) and first sealing block (10) away from dynamic disc scroll tooth (3) on dynamic disc scroll tooth (3) abuts with the lower end of static scroll disc surface (2), the one end of second sealing block (11) and first sealing block (10) away from static scroll disc surface (2) on static scroll disc surface (2) abuts with the upper end of dynamic scroll disc surface (1).

3. The scroll seal of claim 1, wherein: The first connecting plate (8) and second connecting plate (9) are all slidingly connected in the inside of sealing groove (5).

4. The scroll set sealing device of a scroll air compressor according to claim 1, wherein: The one end of first sealing block (10) close to second sealing block (11) is slidingly connected with the one end of second sealing block (11) close to first sealing block (10).

5. The scroll set sealing device of a scroll air compressor according to claim 1, wherein: The one end of second connecting plate (9) close to first connecting plate (8) is slidingly connected with the one end of first connecting plate (8) close to second connecting plate (9).

6. The scroll set sealing device of a scroll air compressor according to claim 1, wherein: The one end of two first sealing block (10) and second sealing block (11) close to static scroll disc surface (2) and dynamic disc scroll tooth (3) is fixedly connected with sealing strip.

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