CN216666372U

CN216666372U - Drum-type trailer axle oil seal structure

Info

Publication number: CN216666372U
Application number: CN202122660839.6U
Authority: CN
Inventors: 侯召军
Original assignee: Shandong Fengao Engineering Machinery Manufacturing Co ltd
Current assignee: Shandong Fengao Engineering Machinery Manufacturing Co ltd
Priority date: 2021-11-02
Filing date: 2021-11-02
Publication date: 2022-06-03
Anticipated expiration: 2031-11-02

Abstract

The utility model provides a drum trailer axle oil seal structure which comprises a driving box, wherein an oil injection assembly is arranged above the driving box, a truss is fixed on the side wall of the driving box, a sealing assembly is arranged outside the truss, a protecting cover is arranged on the outer wall of the driving box, an input shaft is arranged inside the protecting cover, a linkage shaft is arranged inside the protecting cover and positioned on one side of the input shaft, and a key groove in the outer wall of the input shaft is connected with a driving gear. The utility model provides a drum trailer axle oil seal structure which is provided with a sealing assembly, wherein the sealing assembly is used for sealing and connecting the outer part of a bearing by clamping and connecting a hook tooth in an inverted hook shape and a sealing cover with a clamping groove, the design can seal and close the joint of the bearing, so that the condition of internal leakage of lubricating oil can be effectively prevented, and the drum trailer axle oil seal structure is also provided with an oil injection assembly.

Description

Drum-type trailer axle oil seal structure

Technical Field

The utility model relates to the technical field of drum type axles, in particular to an oil seal structure of a drum type trailer axle.

Background

The axle of the automobile is connected with a frame or a bearing type automobile body through a suspension, wheels are arranged at two ends of the axle, the axle is used for bearing the load of the automobile and maintaining the normal running of the automobile on a road, the axle is generally used for trailers and civil automobiles, the trailer axle is also classified into a drum axle and a disc axle, but when the drum axle is used, the connection position of each axle needs to be sealed by oil seal.

The trailer axle oil seal structure on the existing market exists in the connection use, the device can not well seal the bearing at the shaft connecting part, the oil leakage condition is easily caused, and the problem that the internal meshing is not lubricated is easily caused by the inconvenience of filling lubricating oil into the gear driving box when the device is used by a user.

Therefore, it is necessary to provide a drum trailer axle oil seal structure to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides an axle oil seal structure of a drum trailer, which solves the problems that the bearing at the shaft connecting part cannot be well sealed, oil leakage is easily caused, and lubricating oil is inconvenient to fill into a gear driving box by a user when the axle oil seal structure is used, and internal meshing is easily not lubricated.

In order to solve the technical problem, the drum trailer axle oil seal structure provided by the utility model comprises a driving box, wherein an oil injection assembly is arranged above the driving box, a truss is fixed on the side wall of the driving box, a sealing assembly is arranged outside the truss, a protecting cover is arranged on the outer wall of the driving box, an input shaft is arranged inside the protecting cover, a linkage shaft is arranged inside the protecting cover and positioned on one side of the input shaft, a key groove on the outer wall of the input shaft is connected with a driving gear, a key groove on the outer wall of the linkage shaft is connected with a connecting gear, a key groove on the outer wall of the linkage shaft and positioned on one side of the connecting gear is connected with a first gear, a second gear is arranged inside the driving box and positioned on one side of the first gear, and an output shaft penetrates through the inside of the second gear.

Preferably, the oiling subassembly is including seting up the oil filler point in the upper surface of drive case, the top of oil filler point is fixed with the snap ring, annular and spacing groove have been seted up respectively to the inside of snap ring, and the quantity of spacing groove is four groups, the oil cap is installed to the outer wall of snap ring.

Preferably, the oil cover is connected with the clamping ring in a clamping manner by using clamping blocks matched with the four groups of limiting grooves, and the four groups of limiting grooves are distributed in an equidistant array manner relative to the axis of the clamping ring.

Preferably, the protecting cover is fixedly installed with the driving box through bolts, and the input shaft and the linkage shaft are respectively connected with the protecting cover through rollers.

Preferably, drive gear and connecting gear intermeshing, first gear and second gear intermeshing, the contained angle between the axle center department extension line of first gear and the axle center extension line of second gear is ninety degrees.

Preferably, the seal assembly is fixed with the connecting plate including the outer wall that is fixed in the truss, the inside of connecting plate is embedded to have the bearing, sealed lid is installed to the outer wall of connecting plate, the inner wall of sealed lid is fixed with colludes the tooth, the draw-in groove with colluding tooth looks adaptation is seted up to the outer wall of connecting plate.

Preferably, the sealing cover and the connecting plate form a detachable structure through the matching between the hook teeth and the clamping grooves, and the sealing cover and the hook teeth are made of rubber materials respectively.

Compared with the prior art, the drum trailer axle oil seal structure provided by the utility model has the following beneficial effects:

this structural design has seal assembly, and the tooth that colludes through using the barb shape carries out the block with sealed lid and draw-in groove and is connected to carry out sealing connection to the outside of bearing, such design can seal the junction of bearing closed, can effectually prevent the condition of inside leakage lubricating oil like this, and still design has oiling subassembly, and the oil cap that design through such snap-on can be is opened fast, and still convenience of customers annotates lubricating oil.

Drawings

FIG. 1 is a schematic structural view of a preferred embodiment of a drum trailer axle oil seal arrangement according to the present invention;

FIG. 2 is a schematic diagram of the test structure shown in FIG. 1;

FIG. 3 is a schematic diagram of the oil injection assembly shown in FIG. 1 in a disassembled configuration;

fig. 4 is a schematic cross-sectional view of the seal assembly shown in fig. 1.

Reference numbers in the figures: 1. a drive box; 2. an oiling component; 21. an oil filler hole; 22. a snap ring; 23. a ring groove; 24. a limiting groove; 25. an oil cover; 3. a truss; 4. a seal assembly; 41. a connecting plate; 42. a bearing; 43. a sealing cover; 44. hooking teeth; 45. a card slot; 5. a protective cover; 6. an input shaft; 7. a linkage shaft; 8. a drive gear; 9. a connecting gear; 10. a first gear; 11. a second gear; 12. and an output shaft.

Detailed Description

The utility model is further described with reference to the following figures and embodiments.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4 in combination, wherein fig. 1 is a schematic structural view of a preferred embodiment of an axle oil seal structure of a drum trailer according to the present invention; FIG. 2 is a schematic diagram of the test structure shown in FIG. 1; FIG. 3 is a schematic diagram of the oil injection assembly shown in FIG. 1 in a disassembled configuration; fig. 4 is a schematic cross-sectional view of the seal assembly shown in fig. 1. The utility model provides a drum-type trailer axle oil blanket structure, including drive case 1, oiling subassembly 2 is installed to drive case 1's top, drive case 1's lateral wall is fixed with truss 3, truss 3's externally mounted has seal assembly 4, driving case 1's outer wall is installed protecting cover 5, protecting cover 5's internally mounted has input shaft 6, protecting cover 5's inside and the one side that is located input shaft 6 install universal driving shaft 7, input shaft 6's outer wall keyway is connected with drive gear 8, universal driving shaft 7's outer wall keyway is connected with connecting gear 9, universal driving shaft 7's outer wall and the one side keyway that is located connecting gear 9 are connected with first gear 10, drive case 1's inside and the one side that is located first gear 10 install second gear 11, second gear 11's inside is run through there is output shaft 12.

Oiling subassembly 2 is fixed with snap ring 22 including seting up in the oil filler point 21 of the upper surface of drive case 1 above oil filler point 21, and annular 23 and spacing groove 24 have been seted up respectively to snap ring 22's inside, and the quantity of spacing groove 24 is four groups, and oil cover 25 is installed to snap ring 22's outer wall.

The oil cover 25 is connected with the clamping ring 22 in a clamping mode through clamping blocks matched with the four groups of limiting grooves 24, the four groups of limiting grooves 24 are distributed in an equidistant array mode on the axis of the clamping ring 22, and the oil cover 25 of the device can be opened quickly through the clamping connection design.

Protecting cover 5 is through using bolt and drive case 1 fixed mounting, and input shaft 6 is connected with protecting cover 5 through using the roller bearing respectively with universal driving shaft 7, connects through the bolt and can make protecting cover 5 conveniently disassemble.

The driving gear 8 is meshed with the connecting gear 9, the first gear 10 is meshed with the second gear 11, an included angle between an axis extending line of the first gear 10 and an axis extending line of the second gear 11 is ninety degrees, and transmission is stable and firm in connection through meshed transmission connection.

Sealing assembly 4 is fixed with connecting plate 41 including the outer wall that is fixed in truss 3, and connecting plate 41's inside is embedded to have bearing 42, and sealed lid 43 is installed to connecting plate 41's outer wall, and the inner wall of sealed lid 43 is fixed with colludes tooth 44, and the draw-in groove 45 with colluding tooth 44 looks adaptation is seted up to connecting plate 41's outer wall.

The sealing cover 43 forms a detachable structure with the connecting plate 41 through the matching between the hook teeth 44 and the clamping grooves 45, and the sealing cover 43 and the hook teeth 44 are made of rubber materials respectively.

The working principle of the drum trailer axle oil seal structure provided by the utility model is as follows:

before use, a user needs to install a driving device and the input shaft 6, when the driving device is started, the input shaft 6 drives the driving gear 8 to control the connecting gear 9 to enable the linkage shaft 7 to rotate in the driving box 1, when the linkage shaft 7 rotates, the first gear 10 drives the second gear 11 to control the output shaft 12 to rotate in the truss 3, the output shaft 12 is connected with the connecting plate 41 through the bearing 42, so that the output shaft 12 can rotate stably, when the output shaft 12 rotates, the user also needs to press the hook teeth 44 in the clamping grooves 45, so that the sealing cover 43 can stably cover and seal the outer end of the bearing 42, lubrication leakage inside the bearing 42 is prevented, when the user also needs to fill lubricating oil in the driving box 1 when in use, when the user needs to rotate the oil cover 25, the oil cover 25 drives the clamping block to rotate in the annular groove 23, when the clamping block is calibrated with the limiting groove 24, the user pulls out the oil cover 25, so that the oil cover 25 is separated from the clamping ring 22, and the user can hold the oil can to lubricate the lubricating oil clamped in the oil hole 21 after the separation is finished.

this structural design has seal assembly 4, colludes tooth 44 and sealed lid 43 through using the barb shape and carries out the block with draw-in groove 45 and be connected to sealing connection is carried out to the outside of bearing 42, such design can seal closed to the junction of bearing 42, can effectually prevent the condition of inside leakage lubricating oil like this, and still design has oiling subassembly 2, oil cover 25 that design through such snap-on can be can open fast, and still convenience of customers annotates lubricating oil.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides a drum trailer axle oil blanket structure, includes drive case (1), its characterized in that: an oiling component (2) is arranged above the driving box (1), a truss (3) is fixed on the side wall of the driving box (1), a sealing assembly (4) is arranged outside the truss (3), a protective cover (5) is arranged on the outer wall of the driving box (1), an input shaft (6) is arranged in the protecting cover (5), a linkage shaft (7) is arranged in the protecting cover (5) and positioned at one side of the input shaft (6), the key groove on the outer wall of the input shaft (6) is connected with a driving gear (8), the key groove on the outer wall of the linkage shaft (7) is connected with a connecting gear (9), a key groove on one side of the outer wall of the linkage shaft (7) and positioned on the connecting gear (9) is connected with a first gear (10), a second gear (11) is installed in the driving box (1) and on one side of the first gear (10), and an output shaft (12) penetrates through the second gear (11).

2. The drum trailer axle oil seal structure according to claim 1, wherein the oil injection assembly (2) comprises an oil injection hole (21) formed in the upper surface of the drive box (1), a clamping ring (22) is fixed above the oil injection hole (21), a ring groove (23) and four limiting grooves (24) are formed in the clamping ring (22), and oil covers (25) are mounted on the outer walls of the clamping ring (22).

3. A drum trailer axle oil seal structure as defined in claim 2, wherein said oil covers (25) are snap-fitted to said snap ring (22) by using four sets of said retainer grooves (24), said four sets of said retainer grooves (24) being arranged in an equidistant array about the axial center of said snap ring (22).

4. The drum trailer axle oil seal structure as claimed in claim 1, wherein the protecting cover (5) is fixedly mounted with the driving box (1) by using bolts, and the input shaft (6) and the linkage shaft (7) are respectively connected with the protecting cover (5) by using rollers.

5. A drum trailer axle oil seal arrangement according to claim 1, characterized in that the driving gear (8) is intermeshed with the connecting gear (9), the first gear (10) is intermeshed with the second gear (11), and the angle between the extension line at the axial center of the first gear (10) and the extension line at the axial center of the second gear (11) is ninety degrees.

6. The drum trailer axle oil seal structure according to claim 1, wherein the seal assembly (4) comprises a connecting plate (41) fixed to the outer wall of the truss (3), a bearing (42) is embedded in the connecting plate (41), a seal cover (43) is installed on the outer wall of the connecting plate (41), hook teeth (44) are fixed to the inner wall of the seal cover (43), and a clamping groove (45) matched with the hook teeth (44) is formed in the outer wall of the connecting plate (41).

7. The oil seal structure for the drum trailer axle according to claim 6, wherein the seal cover (43) and the connecting plate (41) form a detachable structure through the matching between the hook teeth (44) and the clamping grooves (45), and the seal cover (43) and the hook teeth (44) are respectively made of rubber.