Bearing end cover carbon ring structure

Abstract

The utility model relates to the technical field of engine bearing end covers, in particular to a carbon ring structure of a bearing end cover, which comprises an upper end cover, a lower end cover, an upper rotating stop block, an upper tension spring, an upper carbon ring, a lower rotating stop block, a lower tension spring, a lower carbon ring, two conical pins and a connecting assembly. The upper carbon ring and the lower carbon ring are fixed through the connecting assembly, the upper carbon ring and the lower carbon ring make contact with the shaft at the moment, the upper tension spring and the lower tension spring are mainly used for providing centripetal acting force for the corresponding upper carbon ring and the lower carbon ring, and the upper rotating check block and the lower rotating check block are used for fixing the corresponding upper carbon ring and the lower carbon ring to prevent the upper carbon ring and the lower carbon ring from rotating together with the shaft. In this way, the sealing performance of the upper end cover and the lower end cover is improved, and overflow leakage of lubricating oil is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of engine bearing end covers, in particular to a bearing end cover carbon ring structure. Background Art

[0002] The bearing end cover is a mechanical part, which is mainly used to fix the bearing, adjust the bearing clearance and bear the axial force. Its functions include axially fixing the bearing, sealing and protecting the bearing from dust and other damage. The bearing end cover has two structures: embedded and flange type. Its working surface includes the left and right end faces and the outer cylindrical surface of the left end face. It is mainly used for axial positioning, dust prevention and sealing of the bearing outer ring.

[0003] Currently, the sealing performance of the bearing end cover is poor, which can easily lead to the leakage of lubricating oil on the bearing, affecting the appearance of the engine and increasing the number of times the staff needs to clean it. Utility Model Content

[0004] The utility model aims to provide a bearing end cover carbon ring structure, aiming to solve the problem that the current bearing end cover has poor sealing performance, which easily leads to lubricating oil leakage on the bearing, affects the appearance of the engine, and increases the number of cleaning times by the staff.

[0005] To achieve the above-mentioned purpose, the utility model provides a bearing end cover carbon ring structure, comprising an upper end cover, a lower end cover, an upper rotating stopper, an upper tension spring, an upper carbon ring, a lower rotating stopper, a lower tension spring, a lower carbon ring, two conical pins and a connecting assembly, wherein the upper end cover is arranged above the lower end cover, the connecting assembly is arranged between the upper end cover and the lower end cover, the upper end cover has a first sealing ring groove, the upper rotating stopper is fixedly connected to the upper end cover and is located on the inner side wall of the first sealing ring groove, the upper tension spring is fixedly connected to the upper rotating stopper and is located below the upper rotating stopper, and the upper carbon ring is fixedly connected to the upper tension spring , and is located below the upper tension spring, the lower end cover has a second sealing ring groove, the lower rotation stopper is fixedly connected to the lower end cover and is located on the inner side wall of the second sealing ring groove, the lower tension spring is fixedly connected to the lower rotation stopper and is located above the lower rotation stopper, the lower carbon ring is fixedly connected to the lower tension spring and is located above the lower tension spring, the two conical pins are fixedly connected to the lower end cover and are respectively located above the upper end cover, the upper end cover has two pin holes, the two pin holes are slidably matched with the corresponding conical pins, and the upper end cover and the lower end cover respectively have a plurality of mounting holes.

[0006] Wherein, the connecting assembly includes a first ear plate, a second ear plate, a hexagon socket cylindrical screw and a nut, the first ear plate is fixedly connected to the upper end cover and is located on the outer side wall of the upper end cover, the second ear plate is fixedly connected to the lower end cover and is located on the outer side wall of the lower end cover, the first ear plate and the second ear plate both have circular holes, the circular holes are movably matched with the hexagon socket cylinder, the nut is threadedly connected to the hexagon socket cylindrical screw and is located on the outer side wall of the hexagon socket cylindrical screw, and the nut is in contact with the second ear plate.

[0007] Wherein, the connecting assembly also includes an elastic washer, which is detachably connected to the hexagon socket cylindrical screw and is located on the outer side wall of the hexagon socket cylindrical screw, and the elastic washer is in contact with the first ear plate.

[0008] Wherein, the upper end cover has a first bevel chamfer.

[0009] Wherein, the lower end cover has a second bevel chamfer.

[0010] Wherein, the bearing end cover carbon ring structure also includes an ED plug, the upper end cover has a countersunk vent hole, the ED plug is detachably connected to the upper end cover and is located on the inner side wall of the countersunk vent hole.

[0011] Wherein, the bearing end cover carbon ring structure also includes an auxiliary component, and the auxiliary component is arranged on the outer side wall of the upper end cover.

[0012] Wherein, the auxiliary component includes a connecting plate and a fixing plate, wherein the connecting plate is fixedly connected to the upper end cover and is located on the outer side wall of the upper end cover, and the fixing plate is fixedly connected to the connecting plate and is located on the outer side wall of the connecting plate.

[0013] The utility model provides a bearing end cover carbon ring structure. During installation, the lower end cover is brought into contact with the lower wall of the shaft, the conical pin is aligned with the pin hole, and then the connection assembly is used to fix them. At this time, the upper carbon ring and the lower carbon ring are both in contact with the shaft. The upper tension spring and the lower tension spring are mainly used to provide centripetal force to the corresponding upper carbon ring and the lower carbon ring. The upper rotating block and the lower rotating block are used to fix the corresponding upper carbon ring and the lower carbon ring to prevent the upper carbon ring and the lower carbon ring from rotating together with the shaft. In this way, the sealing performance of the upper end cover and the lower end cover is improved, and the leakage of lubricating oil is reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0015] Figure 1It is a schematic diagram of the overall structure of the first embodiment of the utility model.

[0016] Figure 2 It is an overall rear view of the first embodiment of the utility model.

[0017] Figure 3 The utility model Figure 2 AA line section view.

[0018] Figure 4 The utility model Figure 2 BB line cross-sectional view.

[0019] Figure 5 The utility model Figure 2 CC line section view.

[0020] Figure 6 It is an overall structural diagram of the second embodiment of the utility model.

[0021] Figure 7 It is an overall rear view of the second embodiment of the utility model.

[0022] 101-upper end cover, 102-lower end cover, 103-upper rotation stopper, 104-upper tension spring, 105-upper carbon ring, 106-lower rotation stopper, 107-lower tension spring, 108-lower carbon ring, 109-conical pin, 110-connecting assembly, 111-ED plug, 112-first ear plate, 113-second ear plate, 114-hexagon socket cylindrical screw, 115-nut, 116-elastic washer, 117-first bevel chamfer, 118-second bevel chamfer, 119-first sealing ring groove, 120-second sealing ring groove, 121-pin hole, 122-mounting hole, 123-round hole, 124-countersunk vent, 201, auxiliary assembly, 202-connecting plate, 203-fixing plate. DETAILED DESCRIPTION

[0023] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0024] First embodiment:

[0025] See also Figures 1 to 5 ,in, Figure 1 It is a schematic diagram of the overall structure of the first embodiment of the utility model. Figure 2 It is the overall rear view of the first embodiment of the utility model. Figure 3 The utility model Figure 2 AA line section view, Figure 4The utility model Figure 2 BB line cross-sectional view, Figure 5 The utility model Figure 2 CC line section view.

[0026] The utility model provides a bearing end cover carbon ring structure, including an upper end cover 101, a lower end cover 102, an upper rotation stopper 103, an upper tension spring 104, an upper carbon ring 105, a lower rotation stopper 106, a lower tension spring 107, a lower carbon ring 108, two conical pins 109, a connecting assembly 110 and an ED plug 111, wherein the connecting assembly 110 includes a first ear plate 112, a second ear plate 113, a hexagon socket cylindrical screw 114, a nut 115 and an elastic washer 116, and the upper end cover 101 has a There is a first bevel chamfer 117, the lower end cover 102 has a second bevel chamfer 118, the upper end cover 101 has a first sealing ring groove 119, the lower end cover 102 has a second sealing ring groove 120, the upper end cover 101 has two pin holes 121, the upper end cover 101 and the lower end cover 102 respectively have a plurality of mounting holes 122, the first ear plate 112 and the second ear plate 113 both have a circular hole 123, and the upper end cover 101 has a countersunk vent hole 124.

[0027] According to this specific embodiment, the upper end cover 101 is arranged above the lower end cover 102, the connecting assembly 110 is arranged between the upper end cover 101 and the lower end cover 102, the upper end cover 101 has a first sealing ring groove 119, the upper rotating block 103 is fixedly connected to the upper end cover 101 and is located on the inner side wall of the first sealing ring groove 119, the upper tension spring 104 is fixedly connected to the upper rotating block 103 and is located below the upper rotating block 103, and the upper carbon ring 105 is fixedly connected to the upper end cover 101 and is located below the upper rotating block 103. The upper tension spring 104 is fixedly connected and located below the upper tension spring 104. The lower end cover 102 has a second sealing ring groove 120. The lower rotation block 106 is fixedly connected to the lower end cover 102 and is located on the inner side wall of the second sealing ring groove 120. The lower tension spring 107 is fixedly connected to the lower rotation block 106 and is located above the lower rotation block 106. The lower carbon ring 108 is fixedly connected to the lower tension spring 107 and is located above the lower tension spring 107. The two conical pins 109 The upper end cover 101 is fixedly connected to the lower end cover 102 and is respectively located above the upper end cover 101. The upper end cover 101 has two latch holes 121. The two latch holes 121 are slidably matched with the corresponding conical pins 109. The upper end cover 101 and the lower end cover 102 respectively have a plurality of mounting holes 122. When installing, the lower end cover 102 is contacted with the lower wall of the shaft, so that the conical pins 109 are aligned with the latch holes 121, and then fixed with the connecting assembly 110. At this time, the upper carbon ring 105 The upper and lower carbon rings 105 and 108 are in contact with the shaft, the upper tension spring 104 and the lower tension spring 107 are mainly used to provide centripetal force to the corresponding upper carbon ring 105 and the lower carbon ring 108, the upper rotating block 103 and the lower rotating block 106 are used to fix the corresponding upper carbon ring 105 and the lower carbon ring 108 to prevent the upper carbon ring 105 and the lower carbon ring 108 from rotating together with the shaft, thereby improving the sealing performance of the upper end cover 101 and the lower end cover 102 and reducing the leakage of lubricating oil.

[0028] Among them, the first ear plate 112 is fixedly connected to the upper end cover 101 and is located on the outer side wall of the upper end cover 101, the second ear plate 113 is fixedly connected to the lower end cover 102 and is located on the outer side wall of the lower end cover 102, the first ear plate 112 and the second ear plate 113 both have a circular hole 123, the circular hole 123 is movably matched with the hexagonal cylinder, the nut 115 is threadedly connected to the hexagonal cylindrical screw 114 and is located on the outer side wall of the hexagonal cylindrical screw 114, and the nut 115 is in contact with the second ear plate 113, the hexagonal cylindrical screw is used to penetrate the circular hole 123, and then is threadedly connected to the nut 115, so as to fix the upper end cover 101 and the lower end cover 102, which is convenient for staff to operate and use.

[0029] Secondly, the elastic washer 116 is detachably connected to the hexagon socket cylindrical screw 114 and is located on the outer side wall of the hexagon socket cylindrical screw 114, and the elastic washer 116 is in contact with the first ear plate 112. The elastic washer 116 can increase the contact area between the hexagon socket cylindrical screw 114 and the first ear plate 112, so as to better tighten the hexagon socket cylindrical screw 114.

[0030] At the same time, the upper end cover 101 has a first bevel chamfer 117, which can disperse stress concentration, reduce the risk of cracks in the parts during assembly or use, and prevent users from being scratched by sharp edges.

[0031] In addition, the lower end cover 102 has a second bevel chamfer 118, which can disperse stress concentration, reduce the risk of cracks in the parts during assembly or use, and prevent users from being scratched by sharp edges.

[0032] Finally, the upper end cover 101 has a countersunk vent hole 124, and the ED plug 111 is detachably connected to the upper end cover 101 and is located on the inner wall of the countersunk vent hole 124. The main purpose of the ED plug 111 is to prevent bearing leakage, facilitate workers' maintenance and improve the safety of the working environment.

[0033] When using the bearing end cover carbon ring structure of the utility model, during installation, the lower end cover 102 is brought into contact with the lower wall of the shaft, the conical pin 109 is aligned with the pin hole 121, the hexagon socket cylindrical screw is used to penetrate the circular hole 123, and then the nut 115 is threadedly connected to fix the upper end cover 101 and the lower end cover 102. At this time, the upper carbon ring 105 and the lower carbon ring 108 are both in contact with the shaft, and the upper tension spring 104 and the lower tension spring 107 are mainly used to provide centripetal force to the corresponding upper carbon ring 105 and the lower carbon ring 108. The upper rotation block 103 and the lower rotation block 106 It is used to fix the corresponding upper carbon ring 105 and the lower carbon ring 108 to prevent the upper carbon ring 105 and the lower carbon ring 108 from rotating together with the shaft. The elastic washer 116 can increase the contact area between the hexagon socket cylindrical screw 114 and the first ear plate 112 to better tighten the hexagon socket cylindrical screw 114. The first bevel chamfer 117 and the second bevel chamfer 118 can both disperse stress concentration and reduce the risk of cracks in parts during assembly or use, avoiding users from being scratched by sharp edges. In this way, the sealing performance of the upper end cover 101 and the lower end cover 102 is improved, and the leakage of lubricating oil is reduced.

[0034] Second embodiment:

[0035] Based on the first embodiment, please refer to Figure 6 and Figure 7 ,in, Figure 6 It is a schematic diagram of the overall structure of the second embodiment of the utility model. Figure 7 It is an overall rear view of the second embodiment of the utility model.

[0036] The utility model provides a bearing end cover carbon ring structure, which also includes an auxiliary component 201 . The auxiliary component 201 includes a connecting plate 202 and a fixing plate 203 .

[0037] According to this specific embodiment, the auxiliary component 201 is arranged on the outer wall of the upper end cover 101. The auxiliary component 201 is added to facilitate the installer to take the upper end cover 101 to avoid hand slippage and improve the practicality of the upper end cover 101.

[0038] Among them, the connecting plate 202 is fixedly connected to the upper end cover 101 and is located on the outer side wall of the upper end cover 101, and the fixing plate 203 is fixedly connected to the connecting plate 202 and is located on the outer side wall of the connecting plate 202. The cooperation between the connecting plate 202 and the fixing plate 203 makes it easy for the installer to take the upper end cover 101, avoids hand slippage, and improves the practicality of the upper end cover 101.

[0039] When using a bearing end cover carbon ring structure of the utility model, the cooperation between the connecting plate 202 and the fixing plate 203 makes it easy for the installer to take the upper end cover 101, thereby avoiding the situation of hand slippage and improving the practicality of the upper end cover 101.

[0040] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. A bearing end cover carbon ring structure, characterized in that: The invention comprises an upper end cover, a lower end cover, an upper rotation stopper, an upper tension spring, an upper carbon ring, a lower rotation stopper, a lower tension spring, a lower carbon ring, two conical pins and a connecting assembly, wherein the upper end cover is arranged above the lower end cover, the connecting assembly is arranged between the upper end cover and the lower end cover, the upper end cover has a first sealing ring groove, the upper rotation stopper is fixedly connected to the upper end cover and is located on the inner side wall of the first sealing ring groove, the upper tension spring is fixedly connected to the upper rotation stopper and is located below the upper rotation stopper, the upper carbon ring is fixedly connected to the upper tension spring and is located below the upper tension spring, The lower end cover has a second sealing ring groove, the lower rotating stopper is fixedly connected to the lower end cover and is located on the inner side wall of the second sealing ring groove, the lower tension spring is fixedly connected to the lower rotating stopper and is located above the lower rotating stopper, the lower carbon ring is fixedly connected to the lower tension spring and is located above the lower tension spring, the two conical pins are fixedly connected to the lower end cover and are respectively located above the upper end cover, the upper end cover has two pin holes, the two pin holes are slidably matched with the corresponding conical pins, and the upper end cover and the lower end cover respectively have a plurality of mounting holes.

2. The bearing end cover carbon ring structure according to claim 1, characterized in that: The connecting assembly includes a first ear plate, a second ear plate, a hexagon socket cylindrical screw and a nut. The first ear plate is fixedly connected to the upper end cover and is located on the outer side wall of the upper end cover. The second ear plate is fixedly connected to the lower end cover and is located on the outer side wall of the lower end cover. The first ear plate and the second ear plate both have circular holes, and the circular holes are movably matched with the hexagon socket cylinder. The nut is threadedly connected to the hexagon socket cylindrical screw and is located on the outer side wall of the hexagon socket cylindrical screw, and the nut is in contact with the second ear plate.

3. The bearing end cover carbon ring structure according to claim 2, characterized in that: The connection assembly also includes an elastic washer, which is detachably connected to the hexagon socket cylindrical screw and is located on the outer side wall of the hexagon socket cylindrical screw, and the elastic washer is in contact with the first ear plate.

4. The bearing end cover carbon ring structure according to claim 1, characterized in that: The upper end cover has a first bevel chamfer.

5. The bearing end cover carbon ring structure according to claim 1, characterized in that: The lower end cover has a second bevel chamfer.

6. The bearing end cover carbon ring structure according to claim 1, characterized in that: The bearing end cover carbon ring structure also includes an ED plug. The upper end cover has a countersunk vent hole. The ED plug is detachably connected to the upper end cover and is located on the inner side wall of the countersunk vent hole.

7. The bearing end cover carbon ring structure according to claim 1, characterized in that: The bearing end cover carbon ring structure also includes an auxiliary component, and the auxiliary component is arranged on the outer side wall of the upper end cover.

8. The bearing end cover carbon ring structure according to claim 7, characterized in that: The auxiliary component includes a connecting plate and a fixing plate. The connecting plate is fixedly connected to the upper end cover and is located on the outer side wall of the upper end cover. The fixing plate is fixedly connected to the connecting plate and is located on the outer side wall of the connecting plate.

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