CN218953833U

CN218953833U - Ball linear slide rail

Info

Publication number: CN218953833U
Application number: CN202320086059.1U
Authority: CN
Inventors: 刘方杰
Original assignee: Hebei Smaike Automation Technology Co ltd
Current assignee: Hebei Smaike Automation Technology Co ltd
Priority date: 2023-01-30
Filing date: 2023-01-30
Publication date: 2023-05-02
Anticipated expiration: 2033-01-30

Abstract

The utility model provides a ball linear slide rail, which relates to the technical field of linear slide rails and comprises a slide rail, wherein limiting side grooves are formed in the middle of two sides of the slide rail, a sliding block is arranged on the outer side of the slide rail, a sliding inner groove is formed in the sliding block, the sliding inner groove is in sliding connection with the slide rail and the limiting side grooves, and end slide grooves are formed in two sides of the upper end of the slide rail. According to the utility model, through the arrangement of the second steel ball retaining rod, four rows of rolling steel balls are adopted for connection and support, and the contact angle is set to 45 degrees, so that the rolling steel balls can bear forces in four directions of up, down, left and right, the support stability is improved, pre-pressing can be applied to improve rigidity when necessary, and meanwhile, the design can be realized by the elastic deformation of the rolling steel balls and the transfer of contact points during installation, even if the installation surface is slightly deviated, the rolling steel balls can be absorbed by the inside of the sliding block, and the effect of automatic aligning capability is generated, so that the smooth movement with high precision and stability is obtained.

Description

Ball linear slide rail

Technical Field

The utility model relates to the technical field of linear slide rails, in particular to a ball linear slide rail.

Background

A groove or ridge of rail metal or other material can bear against, secure, guide and reduce friction with a moving device or equipment. Longitudinal grooves or ridges on the surface of the guide rail for guiding, securing machine parts, special equipment, instruments, etc. The guide rail is also called a slide rail, a linear guide rail and a linear slide rail, is used for the occasion of linear reciprocating motion, has higher rated load than a linear bearing, can bear certain torque, and can realize high-precision linear motion under the condition of high load.

In the prior art, as disclosed in chinese patent CN216343424U, a linear slide rail is disclosed, which includes a hollow rail and a sliding block sliding in the hollow rail, wherein the cross section of the hollow rail is a polygon with an even number of sides, and a support opening is formed on the hollow rail; the sliding block comprises a main body and at least two plane support bearings arranged along the length direction of the main body, wherein the plane support bearings are arranged between two symmetrical sides of the hollow track, and the diameter value of each plane support bearing is smaller than the distance value between the two symmetrical sides of the hollow track.

But among the prior art, linear slide rail is when using, and its supporting strength is relatively poor, and it is mostly only to support the use through a set of ball for its supporting effect is relatively poor, can't bear the power about from top to bottom completely, thereby leads to its supporting strength to reduce, and the practicality is relatively poor.

Disclosure of Invention

The utility model aims to solve the problems that in the prior art, when a linear slide rail is used, the support strength is poor, and the linear slide rail is supported by a group of balls, so that the support effect is poor, and the linear slide rail cannot bear forces from up to down and left to right completely, so that the support strength is reduced, and the practicability is poor.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a ball linear slide rail, includes the slide rail, limit side groove has all been seted up at the both sides middle part of slide rail, the outside of slide rail is provided with the slider, the inside of slider has been seted up and has been slided the inside groove, slide inside groove and slide rail and limit side groove sliding connection, the end spout has all been seted up to the both sides of slide rail upper end, two the end spout has all been seted up to the upper end one side of limit side groove, the upper end of slide inside groove both sides is the steel ball retaining rod of fixedly connected with, the lower extreme of slide inside groove both sides is the steel ball retaining rod of fixedly connected with No. two, all rotate between steel ball retaining rod and the end spout and be connected with the rolling steel ball between No. two steel ball retaining rods and the end spout, contact angle between No. two steel ball retaining rods and the slide rail is 45.

Preferably, the middle part of the upper end of the sliding inner groove is fixedly connected with a limiting convex plate.

Preferably, end covers are arranged on two sides of the sliding block, and an oil scraping plate is arranged on one side of the end cover.

Preferably, threaded connection holes are formed in the oil scraping plate and the end cover and on two sides of the sliding block, fixing bolts are connected to the inner threads of the threaded connection holes, and the end cover and the oil scraping plate are fixedly connected with the sliding block through the fixing bolts.

Preferably, one side of the end cover is fixedly communicated with an oil filling nozzle, and two sides of the lower end of the sliding block are fixedly connected with dustproof bars.

Preferably, four corners of the upper end of the sliding block are provided with mounting screw holes.

Preferably, the upper end of slide rail has been seted up joint end groove, the bolt hole has been seted up in the lower extreme in joint end groove penetration, the inside joint in joint end groove is provided with the encapsulation lid.

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

1. according to the utility model, through the arrangement of the second steel ball retaining rod, four rows of rolling steel balls are adopted for connection and support, and the contact angle is set to 45 degrees, so that the rolling steel balls can bear forces in four directions of up, down, left and right, the support stability is improved, pre-pressing can be applied to improve rigidity when necessary, and meanwhile, the design can be realized by the elastic deformation of the rolling steel balls and the transfer of contact points during installation, even if the installation surface is slightly deviated, the rolling steel balls can be absorbed by the inside of the sliding block, and the effect of automatic aligning capability is generated, so that the smooth movement with high precision and stability is obtained.

2. According to the utility model, the arrangement of the limiting convex plate is used for supporting and limiting the two first steel ball retaining rods, so that the stability of the first steel ball retaining rods is ensured, the arrangement of the oil scraping plate is used for enabling processing scrap iron and dust particles to enter the sliding block during movement, and damaging the end sliding groove, the bottom sliding groove and the rolling steel balls, so that the service life is reduced, and the arrangement of the dustproof strip is used for further increasing the sealing of the sliding block.

Drawings

Fig. 1 is a schematic perspective view of a ball linear slide rail according to the present utility model;

fig. 2 is a schematic perspective view of a sliding rail in a ball linear sliding rail according to the present utility model;

FIG. 3 is an exploded view showing the internal structure of a slide block in a ball linear slide according to the present utility model;

fig. 4 is a schematic perspective view of a slider in a ball linear guide according to the present utility model.

Legend description: 1. a slide rail; 2. a package cover; 3. a slide block; 4. an end cap; 5. installing a screw hole; 6. a wiper plate; 7. a fixing bolt; 8. an oil filling nozzle; 9. an end chute; 10. a bottom chute; 11. limiting the side grooves; 12. a clamping end groove; 13. bolt holes; 14. a threaded connection hole; 15. a first steel ball holding rod; 16. a second steel ball holding rod; 17. rolling the steel balls; 18. a dust-proof strip; 19. sliding the inner tank; 20. limiting the convex plate.

Description of the embodiments

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

In embodiment 1, as shown in fig. 1-4, the utility model provides a ball linear sliding rail, which comprises a sliding rail 1, limiting side grooves 11 are formed in the middle parts of two sides of the sliding rail 1, a sliding block 3 is arranged on the outer side of the sliding rail 1, sliding inner grooves 19 are formed in the sliding block 3, the sliding inner grooves 19 are in sliding connection with the sliding rail 1 and the limiting side grooves 11, end sliding grooves 9 are formed in two sides of the upper end of the sliding rail 1, bottom sliding grooves 10 are formed in one sides of the upper ends of the two limiting side grooves 11, first steel ball retaining rods 15 are fixedly connected to the upper ends of two sides of the sliding inner grooves 19, second steel ball retaining rods 16 are fixedly connected to the lower ends of two sides of the sliding inner grooves 19, rolling steel balls 17 are rotatably connected between the first steel ball retaining rods 15 and the end sliding grooves 9 and between the second steel ball retaining rods 16 and the bottom sliding grooves 10, and contact angles between the second steel ball retaining rods 16 and the sliding rail 1 are 45 degrees.

In the following, the specific arrangement and action of the present embodiment will be specifically described, by arranging the second steel ball holding rod 16, the four rows of rolling steel balls 17 are adopted for connection support, and the contact angle is set to 45 °, so that the rolling steel balls 17 can bear forces in four directions, namely up, down, left and right, so as to increase the stability of support, and if necessary, preload can be applied to improve the rigidity, and meanwhile, the design can be installed by the elastic deformation of the rolling steel balls 17 and the transfer of the contact points, even if the installation surface is slightly deviated, the rolling steel balls can be absorbed by the inside of the sliding block 3, and the effect of automatic aligning capability is generated, so that the smooth motion with high precision and stability can be obtained.

In embodiment 2, as shown in fig. 1-4, a limiting convex plate 20 is fixedly connected to the middle part of the upper end of a sliding inner groove 19, end covers 4 are respectively arranged on two sides of a sliding block 3, an oil scraping plate 6 is arranged on one side of the end cover 4, threaded connection holes 14 are respectively formed in the oil scraping plate 6 and the end cover 4 and on two sides of the sliding block 3, fixing bolts 7 are respectively connected to the inner threads of the threaded connection holes 14, the end cover 4 and the oil scraping plate 6 are fixedly connected with the sliding block 3 through the fixing bolts 7, an oil filling nozzle 8 is fixedly connected to one side of the end cover 4, dust strips 18 are respectively fixedly connected to two sides of the lower end of the sliding block 3, mounting screw holes 5 are respectively formed in four corners of the upper end of the sliding block 3, a clamping end groove 12 is formed in the upper end of the sliding rail 1, bolt holes 13 are formed in the lower end of the clamping end groove 12 in a penetrating mode, and a packaging cover 2 is arranged in the inner clamping mode of the clamping end groove 12.

The effect that its whole embodiment reached is, through the setting of restriction flange 20 for support the restriction between two steel ball retaining bars 15, thereby guarantee the stability of steel ball retaining bar 15, through the setting of scraping oil board 6, be used for when removing, get into slider 3 to processing iron fillings and dirt particle, destroy end spout 9, end spout 10 and roll steel ball 17, thereby reduce life, through the setting of dust strip 18, be used for further increasing the seal to slider 3.

Working principle: during the use, use the bolt with the work piece to install with installation screw 5 to install the work piece in the upper end of slider 3, when removing the use, supply fluid through the grease nipple 8 between slide rail 1 and the encapsulation lid 2, strike off the iron fillings and the dust particle of processing through scraping oil board 6, no. two steel balls keep pole 16 roll simultaneously, and support the work piece.

The present utility model is not limited to the above embodiments, and any equivalent embodiments which can be changed or modified by the technical disclosure described above can be applied to other fields, but any simple modification, equivalent changes and modification to the above embodiments according to the technical matter of the present utility model will still fall within the protection scope of the technical disclosure.

Claims

1. The utility model provides a ball linear slide rail, includes slide rail (1), its characterized in that: limiting side grooves (11) are formed in the middle of two sides of the sliding rail (1), sliding inner grooves (19) are formed in the sliding grooves (3), the sliding inner grooves (19) are slidably connected with the sliding rail (1) and the limiting side grooves (11), end sliding grooves (9) are formed in two sides of the upper end of the sliding rail (1), bottom sliding grooves (10) are formed in one side of the upper end of the limiting side grooves (11), first steel ball retaining rods (15) are fixedly connected to the upper ends of two sides of the sliding inner grooves (19), second steel ball retaining rods (16) are fixedly connected to the lower ends of two sides of the sliding inner grooves (19), and rolling steel balls (17) are rotatably connected between the first steel ball retaining rods (15) and the end sliding grooves (9) and between the second steel ball retaining rods (16) and the bottom sliding grooves (10).

2. A ball linear slide as claimed in claim 1, wherein: the middle part of the upper end of the sliding inner groove (19) is fixedly connected with a limiting convex plate (20).

3. A ball linear slide as claimed in claim 1, wherein: the oil scraping device is characterized in that end covers (4) are arranged on two sides of the sliding block (3), and an oil scraping plate (6) is arranged on one side of the end cover (4).

4. A ball linear slide as claimed in claim 3, wherein: the oil scraping plate is characterized in that threaded connection holes (14) are formed in the oil scraping plate (6) and the end cover (4) and in two sides of the sliding block (3), fixing bolts (7) are connected to the threaded connection holes (14) in a threaded mode, and the end cover (4) and the oil scraping plate (6) are fixedly connected with the sliding block (3) through the fixing bolts (7).

5. A ball linear slide as claimed in claim 3, wherein: one side of the end cover (4) is fixedly communicated with an oil filling nozzle (8), and two sides of the lower end of the sliding block (3) are fixedly connected with dustproof strips (18).

6. A ball linear slide as claimed in claim 1, wherein: four corners of the upper end of the sliding block (3) are provided with mounting screw holes (5).

7. A ball linear slide as claimed in claim 1, wherein: the upper end of the sliding rail (1) is provided with a clamping end groove (12), the lower end of the clamping end groove (12) is provided with a bolt hole (13) in a penetrating mode, and the inside of the clamping end groove (12) is provided with a packaging cover (2) in a clamping mode.