CN213744518U

CN213744518U - High stability linear bearing with bradyseism structure

Info

Publication number: CN213744518U
Application number: CN202022944804.0U
Authority: CN
Inventors: 纪玲
Original assignee: Dongguan Puling Bearing Transmission Co ltd
Current assignee: Dongguan Puling Bearing Transmission Co ltd
Priority date: 2020-12-11
Filing date: 2020-12-11
Publication date: 2021-07-20
Anticipated expiration: 2030-12-11

Abstract

The utility model discloses a high stability linear bearing with bradyseism structure, including bearing housing, vertical helical gear, cardboard, damping spring and tank filler sleeve, bearing housing left and right sides fixed mounting has the sealing washer, vertical helical gear fixed mounting is inside at both ends about bearing housing, the flange is installed in the bearing housing outside, cardboard fixed mounting is at the bearing housing inboard surface, damping spring fixed mounting is inboard at the cardboard. This high stability linear bearing with bradyseism structure adopts neotype structural design for the bearing damping spring can absorb most power when receiving to rock, alleviates the holistic rocking of bearing, thereby the damage of less bearing, can utilize clamping screw to install the flange when the bearing needs the side direction installation, convenient fixed, and lubricating oil that adds through the tank filler hole can fall on each ball through leading the oilhole when adding lubricating oil, thereby avoid the excessive lubricating oil that uses.

Description

High stability linear bearing with bradyseism structure

Technical Field

The utility model relates to a linear bearing technical field specifically is a high stability linear bearing with bradyseism structure.

Background

Linear bearing is the instrument that linear motion is done to mode that uses lower cost, linear bearing needs to use with the mutually supporting of columniform axis body, overlap the outside at the cylindrical axis body with linear bearing, the inside ball of bearing and axis body contact, roll connection between ball and the axis body when removing, so only can produce less rolling friction power, make the bearing can be wireless linear motion on the axis body, the bearing in daily use can divide into metal linear bearing, plastics linear bearing and ceramic linear bearing, can select the bearing of different grade type according to the user demand of difference.

With the continuous use of linear bearings, the following problems are found during use:

1. because a certain load is added on the linear bearing when the linear bearing is used, if the linear bearing shakes during movement, a large vertical displacement is generated, a large burden is brought to the bearing, and the abrasion of the bearing is accelerated;

2. when the bearing is used, lubricating oil needs to be added to the bearing at regular time, and when the lubricating oil is added to a general bearing, the lubricating oil cannot be added to the ball position, so that more lubricating oil is needed, and the lubricating oil is wasted.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high stability linear bearing with bradyseism structure to propose unable shock attenuation, the extravagant problem of lubricating oil in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a high-stability linear bearing with a cushioning structure comprises a bearing shell, longitudinal helical gears, a clamping plate, a damping spring and an oil filling hole, wherein sealing rings are fixedly installed on the left side and the right side of the bearing shell, an optical axis is installed inside the bearing shell, the longitudinal helical gears are fixedly installed inside the left end and the right end of the bearing shell, transverse helical gears are arranged on the inner sides of the longitudinal helical gears, fixing screw rods are fixedly installed on the upper surfaces of the transverse helical gears, flanges are installed on the outer sides of the bearing shell, the clamping plate is fixedly installed on the inner side surface of the bearing shell, balls are installed on the lower surfaces of the clamping plate, an oil guide groove is formed in the rear of the balls, the damping spring is fixedly installed on the inner sides of the clamping plate, a baffle is fixedly installed at the upper end of the damping spring, fine adjustment screws are arranged on the upper surface of the baffle, the oil filling hole is formed in the middle position of the outer surface of the bearing shell, and the inside of the oil filling hole is provided with a piston, and a return spring is fixedly arranged below the piston.

Preferably, the fixing screw rod and the bearing housing form a telescopic structure through a transverse helical gear, and the transverse helical gear is meshed with the longitudinal helical gear.

Preferably, the flange is connected with the bearing housing in a penetrating manner, and the flange and the bearing housing form a dismounting and mounting structure through a fixing screw.

Preferably, the clamping plate and the baffle form an elastic structure through a damping spring, and the baffle and the bearing shell form a lifting structure through a fine adjustment screw.

Preferably, the oil guide groove and the clamping plate form a penetrating structure, and the position of the oil guide groove corresponds to the position of the ball.

Preferably, the piston and the oil filling hole form an elastic structure through a return spring, and the oil filling hole and the bearing shell form a penetrating structure.

Compared with the prior art, the beneficial effects of the utility model are that: this high stability linear bearing with bradyseism structure adopts neotype structural design for the bearing damping spring can absorb most power when receiving to rock, alleviates the holistic rocking of bearing, thereby the damage of less bearing, can utilize clamping screw to install the flange when the bearing needs the side direction installation, convenient fixed, and lubricating oil that adds through the tank filler hole can fall on each ball through leading the oilhole when adding lubricating oil, thereby avoid the excessive lubricating oil that uses.

1. The cooperation between damping spring, baffle, the fine setting screw is used, receives great when rocking at the bearing, and the cardboard makes the damping spring compression absorb fore-and-aft power for rocking of bearing reduces, thereby alleviates the damage of bearing, and can adjust damping spring's shock-absorbing capacity through the fine setting screw according to the operation requirement of difference.

2. The transverse helical gear, the longitudinal helical gear, the fixing screw and the flange are matched for use, the transverse helical gear can be driven to rotate by rotating the longitudinal helical gear, so that the fixing screw rotates and rises, the flange is fixed, and the flange can facilitate the lateral installation of the bearing.

3. The cooperation between tank filler sleeve, piston, reset spring and the oil guide hole is used, presses the piston downwards and can make the piston break away from sealed to the tank filler sleeve, adds lubricating oil back, and lubricating oil falls on the ball through the oil guide hole, avoids the waste of lubricating oil.

Drawings

Fig. 1 is a schematic view of the front cross-sectional structure of the present invention;

FIG. 2 is a schematic diagram of a side view cross-sectional structure of the bearing housing of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

fig. 4 is a schematic view of the front view structure of the fixing screw of the present invention.

In the figure: 1. a bearing housing; 2. a seal ring; 3. an optical axis; 4. a longitudinal helical gear; 5. a lateral helical gear; 6. fixing the screw rod; 7. a flange; 8. clamping a plate; 9. a ball bearing; 10. an oil guide groove; 11. a damping spring; 12. a baffle plate; 13. fine adjustment of screws; 14. an oil filling hole; 15. a piston; 16. a return spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a high-stability linear bearing with a shock absorption structure comprises a bearing shell 1, a sealing ring 2, an optical axis 3, a longitudinal helical gear 4, a transverse helical gear 5, a fixed screw 6, a flange 7, clamping plates 8, balls 9, an oil guide groove 10, a damping spring 11, a baffle plate 12, a fine adjustment screw 13, an oil filling hole 14, a piston 15 and a reset spring 16, wherein the sealing ring 2 is fixedly installed on the left side and the right side of the bearing shell 1, the optical axis 3 is installed inside the bearing shell 1, the longitudinal helical gear 4 is fixedly installed inside the left end and the right end of the bearing shell 1, the transverse helical gear 5 is arranged on the inner side of the longitudinal helical gear 4, the fixed screw 6 is fixedly installed on the upper surface of the transverse helical gear 5, the flange 7 is installed on the outer side of the bearing shell 1, the clamping plates 8 are fixedly installed on the inner side surface of the bearing shell 1, the balls 9 are installed on the lower surface of the clamping plates 8, and the oil guide groove 10 is formed behind the balls 9, damping spring 11 fixed mounting is inboard at cardboard 8, and damping spring 11 upper end fixed mounting has baffle 12 to baffle 12 upper surface is provided with fine setting screw 13, and tank filler hole 14 is seted up at 1 surface intermediate position in the bearing housing, and tank filler hole 14 internally mounted has piston 15, and piston 15 below fixed mounting has reset spring 16.

The fixing screw 6 forms a telescopic structure with the bearing housing 1 through the transverse helical gear 5, the transverse helical gear 5 is meshed with the longitudinal helical gear 4, and the structure enables the transverse helical gear 5 to be driven to rotate by rotating the longitudinal helical gear 4, so that the fixing screw 6 extends out of the bearing housing 1 to fix the flange 7.

Flange 7 and bearing housing 1 through connection, and flange 7 constitutes through fixing screw 6 and bearing housing 1 and dismantles mounting structure, foretell structure makes can install flange 7 in the outside of bearing housing 1 through fixing screw 6 when needs are fixed the bearing side direction, conveniently fixes the bearing.

Cardboard 8 passes through damping spring 11 and baffle 12 constitution elastic construction, and baffle 12 constitutes elevation structure through trimming screw 13 and bearing housing 1, and foretell structure makes the bearing when receiving fore-and-aft power, can absorb longitudinal acting force with damping spring 11 compression, alleviates the burden of bearing to the protection bearing does not receive the damage.

Lead oil groove 10 and cardboard 8 constitution and run through the structure, and lead the position of oil groove 10 and ball 9 position mutual correspondence, foretell structure makes when lubricating oil addition, and lubricating oil can be accurate through the guide of leading oil groove 10 and fall on ball 9 to the waste that the excessive use lubricating oil and cause has been avoided.

The piston 15 and the oil filling hole 14 form an elastic structure through the return spring 16, and the oil filling hole 14 and the bearing shell 1 form a penetrating structure, so that the oil filling hole 14 can be opened by pressing the piston 15 downwards, lubricating oil is added to the interior, and after the piston 15 is loosened, the oil filling hole 14 is sealed again by the piston 15 under the action of the return spring 16, and the lubricating oil is prevented from flowing out.

The working principle is as follows: when the device is used, according to the structure shown in figures 1 and 2, firstly, the optical axis 3 penetrates through the bearing shell 1, then the sealing rings 2 are arranged at the left side and the right side of the bearing shell 1, then the bearing shell 1 is driven to linearly move on the optical axis 3, when the device moves, the balls 9 inside the bearing shell 1 are contacted with the optical axis 3 and are in rolling connection, the bearing shell 1 moves to drive the balls 9 to rotate, if the bearing shell 1 suddenly shakes during moving, the internal optical axis 3 and the clamping plate 8 are squeezed, so that the damping spring 11 is compressed, most of longitudinal acting force generated by shaking is absorbed, the force born by the bearing is reduced, the whole bearing is protected, when different using environments are changed, the fine adjustment screw 13 is rotated to enable the fine adjustment screw 13 to drive the baffle plate 12 to move up and down, so as to adjust the compression amount of the damping spring 11, and change the hardness of the damping spring 11, to accommodate different usage conditions.

According to the construction shown in fig. 1, 3 and 4, when it is desired to add oil, the piston 15 is pushed down, compressing the return spring 16, at which point the piston 15 is released from the seal with the bearing housing 1, lubricating oil is added to the inside of the bearing housing 1 through the oil filling hole 14, and after the lubricating oil enters the inside, the lubricating oil falls on the ball 9 under the guidance of the oil guide groove 10, thereby realizing accurate addition, avoiding the waste of the lubricating oil, when the bearing is mainly fixed in the direction measurement, firstly the bearing shell 1 penetrates through the flange 7, then the longitudinal bevel gear 4 is rotated, the longitudinal bevel gear 4 rotates to drive the transverse bevel gear 5 to start rotating, the fixed screw 6 fixed on the outer side of the transverse bevel gear 5 is driven to rotate, the fixed screw 6 moves outwards while rotating, the flange 7 on the outer side is fixed, the flange 7 is installed, the bearing is convenient to measure and fix in direction, and the working principle of the high-stability linear bearing with the cushioning structure is the working principle.

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

Claims

1. The utility model provides a high stability linear bearing with bradyseism structure, includes bearing housing (1), longitudinal helical gear (4), cardboard (8), damping spring (11) and tank filler hole (14), its characterized in that: the bearing comprises a bearing shell (1), wherein sealing rings (2) are fixedly mounted on the left side and the right side of the bearing shell (1), an optical axis (3) is mounted inside the bearing shell (1), a longitudinal helical gear (4) is fixedly mounted inside the left end and the right end of the bearing shell (1), a transverse helical gear (5) is arranged on the inner side of the longitudinal helical gear (4), a fixing screw (6) is fixedly mounted on the upper surface of the transverse helical gear (5), a flange (7) is mounted on the outer side of the bearing shell (1), a clamping plate (8) is fixedly mounted on the inner side surface of the bearing shell (1), balls (9) are mounted on the lower surface of the clamping plate (8), an oil guide groove (10) is formed in the rear of the balls (9), a damping spring (11) is fixedly mounted on the inner side of the clamping plate (8), a baffle (12) is fixedly mounted on the upper end of the damping spring (11), and a fine adjustment screw (13) is arranged on the upper surface of the baffle (12), the oil filling hole (14) is formed in the middle of the outer surface of the bearing shell (1), a piston (15) is installed inside the oil filling hole (14), and a return spring (16) is fixedly installed below the piston (15).

2. A high stability linear bearing with a shock-absorbing structure according to claim 1, wherein: the fixed screw (6) and the bearing shell (1) form a telescopic structure through the transverse helical gear (5), and the transverse helical gear (5) is meshed with the longitudinal helical gear (4).

3. A high stability linear bearing with a shock-absorbing structure according to claim 1, wherein: the flange (7) is connected with the bearing shell (1) in a penetrating mode, and the flange (7) and the bearing shell (1) form a dismounting and mounting structure through the fixing screw rod (6).

4. A high stability linear bearing with a shock-absorbing structure according to claim 1, wherein: the clamping plate (8) and the baffle (12) form an elastic structure through the damping spring (11), and the baffle (12) and the bearing shell (1) form a lifting structure through the fine adjustment screw (13).

5. A high stability linear bearing with a shock-absorbing structure according to claim 1, wherein: lead oil groove (10) and cardboard (8) constitution and run through the structure, and lead the position of oil groove (10) and the position of ball (9) and correspond to each other.

6. A high stability linear bearing with a shock-absorbing structure according to claim 1, wherein: the piston (15) and the oil filling hole (14) form an elastic structure through a return spring (16), and the oil filling hole (14) and the bearing shell (1) form a penetrating structure.