CN214578844U

CN214578844U - Novel balance shaft oil seal

Info

Publication number: CN214578844U
Application number: CN202121008517.7U
Authority: CN
Inventors: 宋振德; 刘勇
Original assignee: LONGKOU FLYING WHEEL CAR ACCESSORIES CO Ltd
Current assignee: LONGKOU FLYING WHEEL CAR ACCESSORIES CO Ltd
Priority date: 2021-05-12
Filing date: 2021-05-12
Publication date: 2021-11-02
Anticipated expiration: 2031-05-12

Abstract

The utility model provides a novel balance shaft oil blanket relates to oil blanket technical field, including inner shell and stop device, the arc surface cover of inner shell has the shell, the one end joint of inner shell has rubber body A, rubber body A's upper end is equipped with the main seal circle, rubber body A's arc surface cover has the spring coil, the lower extreme joint of shell has rubber body B, rubber body B's bottom is equipped with vice seal lip, rubber body A's surface is equipped with stop device, stop device includes the buckle, the joint of buckle is at rubber body A's upper surface, the surperficial threaded connection of buckle has ten screw rods. The utility model discloses, solved and to have adapted to the balanced axle of vehicle off-centre, twist reverse, operating mode such as swing better, finally lead to the emergence of the oil leak condition, traditional oil blanket is relatively poor to inside ring spring's spacing effect, and when the installation oil blanket, ring spring receives easily and drags and takes place the skew problem that drops even in that the oil blanket is inside.

Description

Novel balance shaft oil seal

Technical Field

The utility model relates to an oil blanket technical field especially relates to a novel balanced axle oil blanket.

Background

An oil seal is also called a shaft seal, and is a device part used for preventing fluid from overflowing from a joint in a machine, the fluid is mostly lubricating oil, the joint is mostly a joint surface or a rotating shaft of a part, a rotating shaft lip forms a sealing ring which is generally called an oil seal, a sealing element for static sealing and dynamic sealing is called a sealing element, and reciprocating rotation motion is generally carried out between the static sealing and the dynamic sealing.

The balance shaft of the vehicle is subjected to a large load from the vehicle in the operation process, so that the balance shaft generates the conditions of eccentricity, torsion, swing and the like, an oil seal is easy to wear after long-time operation, and oil leakage is caused, meanwhile, the balance shaft is easy to be invaded by adverse environments in mining areas, rainwater, soil, coal, gravels and the like during vehicle loading and unloading, and the influence on the sealing environment of the balance shaft is also caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving and exist among the prior art and can not better adapt to operating modes such as vehicle balance axle off-centre, twist reverse, swing, finally lead to the emergence of the oil leak condition, traditional oil blanket is relatively poor to inside ring spring's spacing effect, and when the installation oil blanket, ring spring receives easily and drags and takes place the skew problem that drops even in that the oil blanket is inside, and the novel balance shaft oil blanket that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a novel balance shaft oil seal comprises an inner shell and a limiting device, wherein an outer shell is sleeved on the arc surface of the inner shell, one end of the inner shell is clamped with a rubber body A, the upper end of the rubber body A is provided with a main sealing ring, the arc surface of the rubber body A is sleeved with a spring ring, the lower end of the shell is clamped with a rubber body B, the bottom end of the rubber body B is provided with an auxiliary sealing lip, the surface of the rubber body A is provided with a limiting device, the limiting device comprises a retaining ring, the retaining ring is clamped on the upper surface of the rubber body A, ten screw rods are connected to the surface of the retaining ring in a threaded manner, every two of the ten screw rods form a group, one end of the same group of screw rods is rotatably connected with a baffle plate, the arc surface of the baffle is fixedly connected with a limiting rod, one end of the limiting rod, which is far away from the baffle, penetrates through the retaining ring in a sliding manner, one end of the screw rod, which is far away from the baffle, is fixedly connected with a toothed plate, and sawtooth blocks are uniformly arranged on the arc surface of the toothed plate.

Preferably, four backup pads are evenly equipped with admittedly on the surface of rubber body A, the surperficial sliding connection of backup pad has the cardboard, four rectangular holes have evenly been seted up on the surface of buckle, the size and the cardboard size looks adaptation of rectangular hole, the fixed surface of cardboard is connected with spring A, spring A's lower extreme and backup pad fixed connection.

Preferably, one side of the clamping plate, which is far away from the retaining ring, is fixedly connected with a pull ring, and the pull ring is annular.

Preferably, the inner part of the inner shell and the outer shell are both provided with metal frameworks, and the sizes of the two metal frameworks are respectively matched with the sizes of the inner shell and the outer shell.

Preferably, the surface of shell evenly is equipped with three positioner, positioner includes the U-shaped board, the surface and the shell fixed connection of U-shaped board, the surperficial slip of U-shaped board is run through there is the inserted bar, the arc surface swing joint of inserted bar has the connecting plate, the surperficial slip of connecting plate is inserted and is equipped with the slide bar, the transversal "T" shape of personally submitting of slide bar, the lower extreme fixedly connected with locating plate of slide bar.

Preferably, one side fixedly connected with slipmat of slide bar is kept away from to the locating plate, the size and the locating plate size looks adaptation of slipmat.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. in the utility model, by arranging the limiting device, when the oil seal is to be installed, the spring ring is clamped into the back of the rubber body A, then the pull ring is pulled upwards, the pull ring drives the clamping plate to move upwards, the pull ring can move upwards along the surface of the supporting plate, then the clamping ring is clamped above the rubber body A, then the pull ring is loosened, at the moment, the spring A can drive the clamping plate to be clamped into the rectangular hole of the clamping ring by the elastic force of the clamping plate, then the toothed plate is rotated, the toothed plate drives the screw rod to rotate, the screw rod drives the baffle plate to move towards the direction close to the spring ring by virtue of threads, when the baffle plate moves, the baffle plate can drive the limiting rod to slide along the surface of the clamping ring, the limiting rod plays the effect of limiting the moving position of the baffle plate, when the spring ring is separated at the back of the rubber body A by the baffle plate, the rotating toothed plate is stopped, wherein the toothed plate achieves the effect of conveniently rotating the screw rod, by arranging the limiting device, when avoiding operating personnel installation oil blanket, the spring coil receives to drag easily and takes place the deformation and lead to the spring coil to appear from the condition that the surface of the rubber body A breaks away from, the sealed of grease mainly is by main seal lip position, because its back has increased the spring coil, after rubber body A and the wearing and tearing of rubber body B, shrink through the spring coil, can effectively compensate the wearing and tearing part of rubber body A and rubber body B, it is more inseparable with the axle cooperation to make the oil blanket, better effect of playing sealed grease, vice seal lip has played and has prevented that external silt and water stain from entering into inside main seal lip position and the balanced axle head, play the guard action to oil blanket and balanced axle head.

2. In the utility model, the positioning device is arranged, before the oil seal is installed, the inserted bar is firstly pulled to slide out from the U-shaped plate, then the connecting plate is placed in the U-shaped plate, then the inserted bar passes through the U-shaped plate and the connecting plate, because the inserted bar is connected with the U-shaped plate in a sliding way, the connecting plate can be fixed in the U-shaped plate, then the oil seal is aligned to the installation position, the positioning plate is pressed against the surface of the shaft, at the moment, the three positioning plates achieve the effect of assisting in vertically positioning the oil seal, the anti-skid pad of the positioning plate has the effect of increasing the friction force between the positioning plate and the surface of the shaft, after part of the oil seal is inserted into the installation position, the inserted bar is drawn out from the surface of the U-shaped plate, the connecting plate and the sliding bar are detached, finally, the oil seal is installed in the vertical direction, through the positioning device, the effect of facilitating the installer to vertically position of the shaft relative to the oil seal is achieved, and then avoid taking place the oil pumping effect, the condition that leads to the oil leak appears, and then has improved the practicality of oil blanket.

Drawings

Fig. 1 is a schematic perspective view of a novel balance shaft oil seal according to the present invention;

fig. 2 is a schematic structural view of the rear side of fig. 1 of the novel balance shaft oil seal provided by the utility model;

fig. 3 is a schematic cross-sectional view of a part of the structure of the novel balance shaft oil seal of fig. 2;

fig. 4 is a schematic view of a part of the structure of the novel balance shaft oil seal limiting device provided by the utility model;

fig. 5 is a schematic structural view of a point a in fig. 1 of the present invention, showing a novel balance shaft oil seal;

fig. 6 is the utility model provides a novel balance shaft oil seal positioning device's schematic structure diagram.

Illustration of the drawings: 1. an inner shell; 2. a housing; 3. a spring ring; 4. a secondary sealing lip; 5. a rubber body A; 6. a limiting device; 61. a retaining ring; 62. a screw; 63. a baffle plate; 64. a limiting rod; 65. a toothed plate; 66. a support plate; 67. clamping a plate; 68. a spring A; 69. a pull ring; 7. a positioning device; 71. a U-shaped plate; 72. inserting a rod; 73. a connecting plate; 74. a slide bar; 75. positioning a plate; 76. a non-slip mat; 8. and a rubber body B.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.

Embodiment 1, as shown in fig. 1-6, the utility model provides a novel balance shaft oil seal, including inner shell 1 and stop device 6, the arc surface cover of inner shell 1 has shell 2, and the one end joint of inner shell 1 has rubber body A5, and the upper end of rubber body A5 is equipped with main sealing washer, and the arc surface cover of rubber body A5 has spring coil 3, and the lower extreme joint of outer shell 2 has rubber body B8, and the bottom of rubber body B8 is equipped with vice seal lip 4, and the surface of rubber body A5 is equipped with stop device 6.

The specific arrangement and function of the position-limiting device 6 and the positioning device 7 will be described in detail below.

As shown in fig. 4 and 5, the limiting device 6 includes a retaining ring 61, the retaining ring 61 is fastened to the upper surface of the rubber body a5, ten screws 62 are connected to the surface of the retaining ring 61 in a threaded manner, each of the ten screws 62 is paired, one end of each of the screw 62 is rotatably connected with a baffle 63, a limiting rod 64 is fixedly connected to the arc surface of the baffle 63, one end of the limiting rod 64 far away from the baffle 63 slidably penetrates through the retaining ring 61, a toothed plate 65 is fixedly connected to one end of each of the screws 62 far away from the baffle 63, toothed blocks are uniformly arranged on the arc surface of the toothed plate 65, four supporting plates 66 are uniformly and fixedly arranged on the surface of the rubber body a5, a clamping plate 67 is slidably connected to the surface of the retaining ring 66, four rectangular holes are uniformly arranged on the surface of the retaining ring 61, the size of each rectangular hole is matched with the size of the clamping plate 67, a spring a68 is fixedly connected to the surface of the clamping plate 67, the lowest end of the spring a68 is fixedly connected with the supporting plate 66, a pull ring 69 is fixedly connected to one side of the clamping plate 67 far away from the retaining ring 61, the pull ring 69 is circular, the inner parts of the inner shell 1 and the outer shell 2 are both provided with metal frameworks, and the sizes of the two metal frameworks are respectively matched with the sizes of the inner shell 1 and the outer shell 2.

The whole limiting device 6 achieves the effect that by arranging the limiting device 6, when an oil seal is to be installed, the spring ring 3 is clamped into the back of the rubber body A5, then the pull ring 69 is pulled upwards, the pull ring 69 drives the clamping plate 67 to move upwards, the pull ring 69 moves upwards along the surface of the supporting plate 66, then the buckle 61 is clamped above the rubber body A5, then the pull ring 69 is loosened, at the moment, the spring A68 gives the elastic force to the clamping plate 67 to clamp the clamping plate 67 into the rectangular hole of the buckle 61, then the toothed plate 65 is rotated, the toothed plate 65 drives the screw rod 62 to rotate, the screw rod 62 drives the baffle 63 to move towards the direction close to the spring ring 3 by virtue of threads, when the baffle 63 moves, the baffle 63 drives the limiting rod 64 to slide along the surface of the buckle 61, the limiting rod 64 plays a role in limiting the moving position of the baffle 63, when the baffle 63 separates the spring ring 3 at the back of the rubber body A5, stop rotation pinion rack 65, wherein pinion rack 65 has reached the convenient effect of rotating screw rod 62, through setting up stop device 6, when avoiding operating personnel installation oil blanket, spring coil 3 receives to drag easily and takes place the condition that deformation leads to spring coil 3 to break away from the surface of rubber body A5 and appears, the sealed main seal lip position that leans on of grease, because its back has increased spring coil 3, after rubber body A5 and rubber body B8 wearing and tearing, shrink through spring coil 3, can effectively compensate rubber body A5 and rubber body B8's wearing and tearing part, it is more inseparabler to make the oil blanket and the axle cooperation, better effect of playing sealed grease, inside vice seal lip 4 had played and prevented that external silt and water stain from entering into main seal lip position and balanced axle head, play the guard action to oil blanket and balanced axle head.

As shown in fig. 2 and 6, three positioning devices 7 are uniformly arranged on the surface of the housing 2, each positioning device 7 includes a U-shaped plate 71, the surface of the U-shaped plate 71 is fixedly connected with the housing 2, an insertion rod 72 penetrates through the surface of the U-shaped plate 71 in a sliding manner, a connecting plate 73 is movably connected to an arc surface of the insertion rod 72, a sliding rod 74 is inserted into the surface of the connecting plate 73 in a sliding manner, the cross section of the sliding rod 74 is "T" -shaped, a positioning plate 75 is fixedly connected to the lowermost end of the sliding rod 74, a non-slip mat 76 is fixedly connected to one side of the positioning plate 75 away from the sliding rod 74, and the size of the non-slip mat 76 is matched with the size of the positioning plate 75.

The whole positioning device 7 achieves the effect that by arranging the positioning device 7, before the oil seal is installed, the inserted rod 72 is pulled to slide the inserted rod 72 out of the U-shaped plate 71, then the connecting plate 73 is placed in the U-shaped plate 71, then the inserted rod 72 penetrates through the U-shaped plate 71 and the connecting plate 73, as the inserted rod 72 is in sliding connection with the U-shaped plate 71, the connecting plate 73 is fixed in the U-shaped plate 71, then the oil seal is aligned to the installation position, the positioning plate 75 is pressed against the surface of the shaft, at the moment, the three positioning plates 75 achieve the effect of assisting in vertically positioning the oil seal, wherein the non-slip pads 76 of the positioning plates 75 achieve the effect of increasing the friction force between the positioning plate 75 and the surface of the shaft, after part of the oil seal is inserted into the installation position, the inserted rod 72 is pulled out of the surface of the U-shaped plate 71, the connecting plate 73 and the sliding rod 74 are detached, and finally the oil seal is installed in the vertical direction, through setting up positioner 7, reached and made things convenient for installer to carry out the effect of vertical location to the relative axle position of oil blanket, and then avoided taking place the oil pumping effect, the condition that leads to the oil leak appears, and then has improved the practicality of oil blanket.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a novel balanced axle oil blanket, includes inner shell (1) and stop device (6), its characterized in that: the arc surface cover of inner shell (1) has shell (2), the one end joint of inner shell (1) has rubber body A (5), the upper end of rubber body A (5) is equipped with main seal circle, the arc surface cover of rubber body A (5) has spring coil (3), the lower extreme joint of shell (2) has rubber body B (8), the bottom of rubber body B (8) is equipped with vice seal lip (4), the surface of rubber body A (5) is equipped with stop device (6).

2. The novel balance shaft oil seal according to claim 1, characterized in that: stop device (6) include buckle (61), the joint of buckle (61) is at the upper surface of rubber body A (5), the surperficial threaded connection of buckle (61) has ten screw rods (62), ten two liang of screw rods (62) are a set of, same group the one end rotation of screw rod (62) is connected with baffle (63), the arc surface fixedly connected with gag lever post (64) of baffle (63), the one end that baffle (63) were kept away from in gag lever post (64) slides and runs through buckle (61), the one end fixedly connected with pinion rack (65) of baffle (63) are kept away from in screw rod (62), the arc surface of pinion rack (65) evenly is equipped with the sawtooth piece.

3. The novel balance shaft oil seal according to claim 2, characterized in that: four supporting plates (66) are uniformly and fixedly arranged on the surface of the rubber body A (5), a clamping plate (67) is connected to the surface of each supporting plate (66) in a sliding mode, four rectangular holes are uniformly formed in the surface of each retaining ring (61), the size of each rectangular hole is matched with the size of the corresponding clamping plate (67), a spring A (68) is fixedly connected to the surface of each clamping plate (67), and the lowest end of each spring A (68) is fixedly connected with the corresponding supporting plate (66).

4. The novel balance shaft oil seal according to claim 3, characterized in that: one side of the clamping plate (67) far away from the retaining ring (61) is fixedly connected with a pull ring (69), and the pull ring (69) is annular.

5. The novel balance shaft oil seal according to claim 1, characterized in that: the inside of inner shell (1) and shell (2) all is equipped with metal framework, and two metal framework's size looks adaptation with the size of inner shell (1) and shell (2) respectively.

6. The novel balance shaft oil seal according to claim 1, characterized in that: the surface of shell (2) evenly is equipped with three positioner (7), positioner (7) include U-shaped board (71), the surface and shell (2) fixed connection of U-shaped board (71), the surperficial slip of U-shaped board (71) is run through and is had inserted bar (72), the arc surface swing joint of inserted bar (72) has connecting plate (73), the surperficial slip of connecting plate (73) is inserted and is equipped with slide bar (74), the transversal "T" shape of personally submitting of slide bar (74), the lower extreme fixedly connected with locating plate (75) of slide bar (74).

7. The novel balance shaft oil seal according to claim 6, characterized in that: one side, far away from the slide bar (74), of the positioning plate (75) is fixedly connected with a non-slip mat (76), and the size of the non-slip mat (76) is matched with that of the positioning plate (75).