CN219932752U

CN219932752U - Needle bearing assembly

Info

Publication number: CN219932752U
Application number: CN202321133950.2U
Authority: CN
Inventors: 黄信松; 王振华
Original assignee: Taiyuan Hongyuan Tainuo Machinery Equipment Co ltd
Current assignee: Taiyuan Hongyuan Tainuo Machinery Equipment Co ltd
Priority date: 2023-05-12
Filing date: 2023-05-12
Publication date: 2023-10-31
Anticipated expiration: 2033-05-12

Abstract

The utility model discloses a needle bearing assembly, which relates to the field of bearing equipment and solves the problem of complex operation when a worker refuels oil into an inner cavity of the needle bearing.

Description

Needle bearing assembly

Technical Field

The utility model relates to the technical field of bearing equipment, in particular to a needle bearing assembly.

Background

The needle bearing is a roller bearing with cylindrical rollers, the rollers are thin and long relative to the diameter of the roller bearing, the rollers are called needle rollers, the bearing still has higher load bearing capacity despite the smaller section, the needle bearing is provided with the thin and long rollers, the radial structure is compact, the inner diameter size and the load capacity of the needle bearing are the same as those of other types of bearings, the outer diameter is minimum, the needle bearing is particularly suitable for a bearing structure with limited radial installation size, according to different use occasions, the bearing without an inner ring or a needle roller and retainer assembly can be selected, the journal surface and the shell hole surface matched with the bearing are directly used as the inner rolling surface and the outer rolling surface of the bearing, and the hardness, the machining precision and the surface quality of the surface of a shaft or a shell Kong Gundao are similar to those of a raceway of a bearing ring in order to ensure the load capacity and the running performance to be the same as those of a bearing ring. Such bearings can only withstand radial loads.

Such as Chinese patent: the utility model provides a publication number CN212509208U needle bearing, includes the bearing outer lane, the inner chamber sealing mounting of bearing outer lane has the fender bracket and rotates on the fender bracket and install the kingpin, be equipped with between fender bracket and the bearing outer lane and hold the chamber, the upper end of bearing outer lane is fixed with oiling section of thick bamboo and oiling section of thick bamboo's inner chamber is installed and is filled the oil column, the oil column is connected with oiling section of thick bamboo swing joint, be equipped with on the inner chamber wall of bearing outer lane and be the multiunit support column that circumference is the even equidistant range of circumference and multiunit support column and the one end and the kingpin sliding contact that are close to the kingpin with the axle center of bearing outer lane.

Although the cylinder does not need to be screwed off when adding oil, the way that the impurity enters the accommodating cavity is reduced, and the service life of the bearing is prolonged, when adding oil to the inside of the bearing, the cylinder is required to be rotated by using a specific tool plum blossom, the main body is required to be rotated to a specific circle angle, after the oil filling port of the oil filling channel coincides with the oil filling hole, a worker can fill oil into the oil filling hole to finish the oil filling operation of the bearing, and when the circle angle of the cylinder is deviated by the worker, the oil filling operation is difficult to finish, the operation is complex and very inconvenient.

To this end, we propose a needle bearing assembly.

Disclosure of Invention

The utility model provides a needle bearing assembly convenient for adding lubricating oil.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a needle bearing assembly, including needle bearing body, mounting bracket and the inside needle bearing body of rotation installation needle bearing body, the outer wall fixedly connected with of needle bearing body adds oily section of thick bamboo, the inside sliding connection who adds oily section of thick bamboo has a slide cartridge, the oil groove that leads to that is used for the oiling is seted up to the inside of slide cartridge, the oil filler point with the oil filler point intercommunication has been seted up to the outer wall that adds oily section of thick bamboo, the inside of adding oily section of thick bamboo is provided with the spacing subassembly that is used for restricting slide cartridge sliding distance, make the needle bearing assembly be convenient for through the cooperation of oil filler point with leading to the oil groove, add lubricating oil to needle bearing assembly inner chamber.

Preferably, the limiting component comprises a plugging groove, a clamping block, a sliding rod and a second reset spring, wherein the clamping block is slidably mounted on the inner wall of the oil adding cylinder, one end of the sliding rod is fixedly connected with the outer wall of the clamping block, the second reset spring is sleeved on the outer wall of the sliding rod, one end of the second reset spring is fixedly connected with the outer wall of the clamping block, the other end of the second reset spring is fixedly connected with the inner wall of the oil adding cylinder, and the outer wall of the sliding cylinder is provided with the plugging groove for plugging the clamping block, so that the sliding cylinder is clamped and limited by the clamping block when oil is needed to be added.

Preferably, one end of the sliding rod, which is far away from the clamping block, is fixedly connected with a magnetic block, so that the clamping block is convenient to release the limit of the sliding cylinder.

Preferably, the outer wall sleeve of the sliding cylinder is provided with a first reset spring, one end of the first reset spring is fixedly connected with the outer wall of the sliding cylinder, the other end of the first reset spring is fixedly connected with the inner wall of the oil adding cylinder, and the sliding cylinder is convenient to reset after oil adding is completed.

Preferably, the axial end fixedly connected with sealing block of the sliding cylinder, the sealing block sets up to the C style of calligraphy, and the seal groove that supplies sealing block grafting is seted up to the outer wall of adding the oil cylinder, promotes the leakproofness of bearing body.

Preferably, the top surface of the oil adding cylinder is provided with a through hole, the top surface of the sliding cylinder is provided with a sealing gasket for improving the sealing performance, and the sealing performance of the sliding cylinder and the oil adding cylinder is improved.

Compared with the prior art, the utility model has the beneficial effects that:

the sliding cylinder and the clamping block are arranged, so that the needle roller bearing is convenient to be limited by the clamping block after the sliding cylinder slides, and the oil through groove is arranged in the sliding cylinder and is matched with the oil filling hole on the outer wall of the oil filling cylinder, so that the needle roller bearing is convenient for workers to fill oil into the needle roller bearing.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the installation of the oil adding cylinder in the utility model;

FIG. 3 is a cross-sectional view of an oil feed cylinder according to the present utility model;

FIG. 4 is a cross-sectional view of a slide cartridge of the present utility model;

fig. 5 is an enlarged view of fig. 3 a in accordance with the present utility model.

In the figure: 1. a needle bearing body; 2. a mounting frame; 3. a needle roller body; 4. an oil adding cylinder; 5. a sliding cylinder; 6. a plug-in groove; 7. a sealing block; 8. a first return spring; 9. oil through grooves; 10. a clamping block; 11. a slide bar; 12. a magnetic block; 13. and a second return spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1-5, a plastic plate fixed length cutting device in the drawings includes a needle bearing body 1, a mounting frame 2, and a needle body 3 rotatably mounted inside the needle bearing body 1, which is currently: the Chinese patent with publication number of CN212509208U discloses a needle bearing, wherein the technical means of a bearing outer ring, a protection frame, a needle roller and an oil injection cylinder are disclosed, the needle bearing body 1, the installation frame 2 and the needle roller body 3 in the document adopt the same technical means in the prior art, the technical means are not described in detail herein, and the utility model is further improved with respect to the existing oil injection cylinder, and the detail is referred to in the following disclosure technology.

The outer wall fixedly connected with of bearing body 1 adds oily section of thick bamboo 4, and the inside sliding connection who adds oily section of thick bamboo 4 has a slide cylinder 5, and oil groove 9 that is used for the oiling is seted up to the inside of slide cylinder 5, and the oil filler point with the oil filler point intercommunication is seted up to the outer wall that adds oily section of thick bamboo 4.

The inside of the oil adding cylinder 4 is provided with a limiting component for limiting the sliding distance of the sliding cylinder 5.

Referring to fig. 1-5, in the illustration, the limiting component comprises a plugging groove 6, a clamping block 10, a sliding rod 11 and a second reset spring 13, wherein the clamping block 10 is slidably mounted on the inner wall of the oil adding cylinder 4, one end of the sliding rod 11 is fixedly connected with the outer wall of the clamping block 10, the second reset spring 13 is sleeved on the outer wall of the sliding rod 11, one end of the second reset spring 13 is fixedly connected with the outer wall of the clamping block 10, the other end of the second reset spring 13 is fixedly connected with the inner wall of the oil adding cylinder 4, and the plugging groove 6 for plugging the clamping block 10 is formed in the outer wall of the sliding cylinder 5.

In this embodiment: the inner chamber sealing installation of bearing body 1 has mounting bracket 2, the inside of mounting bracket 2 rotates installs bearing body 3, make bearing body 1 form sealing installation through the setting of mounting bracket 2 and bearing body 3 simultaneously, sliding sleeve 5 slidable mounting is in the inside of adding the oil drum 4, the outer wall of sliding sleeve 5 is provided with the guide block simultaneously, the gliding guide way of confession guide block has been seted up to the inside of adding the oil drum 4, through the setting of guide block and guide way, make sliding sleeve 5 be difficult for producing the deflection in the slip process, when needs to add lubricating oil to bearing body 1 inside, sliding sleeve 5 makes oil groove 9 be connected with the oil filler hole, add lubricating oil to the inside of oil filler hole, make lubricating oil add bearing body 1 inside through sliding sleeve 5, accomplish the operation of adding lubricating oil to bearing body 1 inside, and then reset sliding sleeve 5, make oil groove 9 and oil filler hole disconnection intercommunication, and then make oil groove 9 keep sealed, the intercommunication of insulating bearing body 1 inner chamber and outside air, make bearing body 1 keep sealed, simultaneously when needs to add lubricating oil, make sliding sleeve 5 slide downwards, joint block 10 receives the extrusion 5, when need add lubricating oil, when need, make sliding sleeve 5 have a compression spring 5, and the second compression spring 5 is kept away from to the sliding sleeve 5, and make sliding sleeve 5 have the compression tendency to be more than the second, and make sliding sleeve 5 is compressed in the second, and be more than the sliding sleeve 5 is compressed to the sliding sleeve 5, and is compressed and is more than the sliding sleeve 10 is compressed and is compressed to the cylinder 5.

Example 2

Referring to fig. 1-5, this embodiment further illustrates example 1, in which a magnetic block 12 is fixedly connected to an end of the sliding rod 11 away from the clamping block 10.

In this embodiment: when the second reset spring 13 pushes the clamping block 10 to reset, the sliding rod 11 is driven to synchronously slide, the magnetic block 12 is driven to synchronously slide, when the limit of the clamping block 10 to the sliding cylinder 5 is required to be released, the other magnet attracted by the magnetic block 12 is taken, the magnetic block 12 is attracted to slide in a direction away from the sliding cylinder 5, and the clamping block 10 is driven to release the limit of the sliding cylinder 5, so that the sliding cylinder 5 can be reset conveniently after the oil addition is completed.

Referring to fig. 1-5, in the drawings, a first return spring 8 is sleeved on the outer wall of the sliding cylinder 5, one end of the first return spring 8 is fixedly connected with the outer wall of the sliding cylinder 5, and the other end of the first return spring 8 is fixedly connected with the inner wall of the oil adding cylinder 4.

In this embodiment: through the setting of first reset spring 8, make slide section of thick bamboo 5 when sliding downwards, first reset spring 8 receives the compression, has the trend that promotes slide section of thick bamboo 5 in real time and resets, is convenient for add oil after the slip section of thick bamboo 5 is by joint piece 10 joint, when the completion of adding oil, joint piece 10 releases the spacing to slide section of thick bamboo 5, slide section of thick bamboo 5 is promoted the reset by first reset spring 8, accomplishes the operation of adding oil.

Referring to fig. 1-5, in the drawings, a sealing block 7 is fixedly connected to an axial end of a sliding cylinder 5, the sealing block 7 is arranged in a C shape, and a sealing groove for plugging the sealing block 7 is formed in an outer wall of an oil adding cylinder 4.

In this embodiment: through the setting of sealing block 7, increase sealing block 7 and the area of contact of adding oil section of thick bamboo 4, and then promote the leakproofness of needle bearing body 1.

Referring to fig. 1-5, a through hole is formed in the top surface of the oil adding cylinder 4 in the drawing, and a sealing gasket for improving the sealing performance is arranged on the top surface of the sliding cylinder 5.

In this embodiment: through the setting of sealed pad, promote the leakproofness of slide cylinder 5 and oiled section of thick bamboo 4, further promote the leakproofness of needle bearing body 1, prolong the life of needle bearing body 1.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process-method-article or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process-method-article or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes-modifications-substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a needle bearing assembly, includes needle bearing body (1), mounting bracket (2) and rotates inside needle bearing body (3) of installation needle bearing body (1), its characterized in that: the needle bearing comprises a needle bearing body (1), wherein an oil adding cylinder (4) is fixedly connected to the outer wall of the needle bearing body (1), a sliding cylinder (5) is slidably connected to the inner part of the oil adding cylinder (4), an oil through groove (9) for oil injection is formed in the sliding cylinder (5), and an oil injection hole communicated with the oil through hole is formed in the outer wall of the oil adding cylinder (4);

the inside of adding oil section of thick bamboo (4) is provided with the spacing subassembly that is used for restricting the slip distance of slip section of thick bamboo (5).

2. A needle bearing assembly as defined in claim 1, wherein: the limiting assembly comprises a plugging groove (6), a clamping block (10), a sliding rod (11) and a second reset spring (13), wherein the clamping block (10) is slidably mounted on the inner wall of the oil adding cylinder (4), one end of the sliding rod (11) is fixedly connected with the outer wall of the clamping block (10), the second reset spring (13) is sleeved on the outer wall of the sliding rod (11), one end of the second reset spring (13) is fixedly connected with the outer wall of the clamping block (10), the other end of the second reset spring (13) is fixedly connected with the inner wall of the oil adding cylinder (4), and the outer wall of the sliding cylinder (5) is provided with the plugging groove (6) for plugging the clamping block (10).

3. A needle bearing assembly as claimed in claim 2, wherein: one end of the sliding rod (11) far away from the clamping block (10) is fixedly connected with a magnetic block (12).

4. A needle bearing assembly as defined in claim 1, wherein: the outer wall cover of a sliding cylinder (5) is provided with a first reset spring (8), one end of the first reset spring (8) is fixedly connected with the outer wall of the sliding cylinder (5), and the other end of the first reset spring (8) is fixedly connected with the inner wall of the oil adding cylinder (4).

5. A needle bearing assembly as defined in claim 1, wherein: the axial end of the sliding cylinder (5) is fixedly connected with a sealing block (7), the sealing block (7) is arranged in a C shape, and a sealing groove for inserting the sealing block (7) is formed in the outer wall of the oil adding cylinder (4).

6. A needle bearing assembly as defined in claim 1, wherein: through holes are formed in the top surface of the oil adding cylinder (4), and sealing gaskets for improving sealing performance are arranged on the top surface of the sliding cylinder (5).