CN221462752U - Linear guide rail with dustproof construction - Google Patents

Abstract

The utility model relates to the technical field of linear guide rails and discloses a linear guide rail with a dustproof structure, which comprises a supporting plate, wherein the top of the supporting plate is fixedly connected with a sliding rail, the top of the sliding rail is slidably connected with a sliding block, a groove is formed in the top of the sliding rail, a roller is arranged in the sliding block, so that the roller rolls at the bottom of the groove in a supporting mode, the contact area of the sliding rail and the sliding block is reduced, the sliding friction force is reduced, the fixed rolling connection is smaller than the sliding connection in moving, and the sliding block and the groove are cleaned in advance by connecting a scraping plate on the scraping plate in a mode of arranging pushing blocks at two ends of the sliding block when the sliding block moves, so that the sliding resistance is increased due to the fact that dust particles on the sliding rail and the groove enter the position between the sliding block and the sliding rail, the flatness of a contact surface can be influenced, and the friction force of the contact surface is increased.

Description

Linear guide rail with dustproof construction

Technical Field

The utility model relates to the technical field of linear guide rails, in particular to a linear guide rail with a dustproof structure.

Background

The linear guide rail is also called a linear rail, a sliding rail, a linear guide rail and a linear sliding rail, is used for linear reciprocating motion occasions and has higher rated load than a linear bearing, the linear guide rail is used for supporting and guiding a moving part to do reciprocating linear motion according to a given direction, dust is often easy to suck in the use process of the linear guide rail, the sucked dust is accumulated in a fixing screw of the guide rail and on a guide rail surface, and the service life of the linear guide rail is drastically reduced.

Prior art publication No.: CN210686669U, which provides a technical scheme: the utility model provides a linear guide with dustproof construction, includes preceding base and back base, the equal fixedly connected with pillar of preceding base and back base upper end, the common swing joint in pillar middle part has the guide pillar, guide pillar middle part sliding connection has the slider, slider upper end fixedly connected with nut seat, the equal swing joint of slider front end rear end has sealed film, and the equal fixedly connected with dustproof construction of two sets of sealed film outside terminal surfaces. According to the linear guide rail with the dustproof structure, dust entering the sliding block is isolated by the sealing bottom plate in the device, dust on the guide post can be cleaned by the dustproof structure, the sealing bottom plate and the dustproof structure are fixedly arranged at the front end and the rear end of the sliding block, the condition that the service life of the linear guide rail is reduced due to the dust is further isolated, the whole device is detachable and easy to assemble and convenient to carry, and the whole device is simple in structure and has excellent dustproof capability.

However:

The linear guide rail mainly comprises a sliding rail and a sliding block, the sliding block can move along the length direction of the sliding rail on the surface of the sliding rail under artificial control, the sliding block and the sliding rail are connected in a sliding manner, when the linear guide rail is used in an environment with more dust, the dust possibly enters the sliding block along with the movement of the sliding block, at the moment, the resistance of the sliding block during the movement is increased and worn, and the service life of the sliding block is finally shortened greatly.

Disclosure of utility model

(One) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a linear guide rail with a dustproof structure.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a linear guide with dustproof construction, includes the backup pad, the top fixed connection slide rail of backup pad, the top sliding connection of slide rail has the slider, the recess has been seted up at the top of slide rail, the mounting groove has been seted up to the bottom of slider, the inner wall rotation of mounting groove is connected with the gyro wheel, the gyro wheel is at the inner wall roll connection of recess, and the inner wall of recess and the width looks adaptation of gyro wheel, the clean subassembly of both ends difference fixedly connected with of slider is through seting up the recess at the top of slide rail and set up the gyro wheel in the inside of slider for the gyro wheel is at the mode of recess bottom rolling support, in order to reduce slide rail and slider area of contact, in order to reduce sliding friction, and fixed roll connection compares the thrust that needs when sliding connection removes to be little.

Preferably, the cleaning component consists of a supporting block, a pushing block and a scraping plate.

Preferably, supporting shoe fixed connection is in one side of slider, ejector pad fixed connection is in the supporting shoe bottom, the ejector pad is T font and with slide rail and recess looks adaptation, scraper blade fixed connection is kept away from one side of slider at the ejector pad, through the mode that sets up the ejector pad at the both ends of slider, connects the scraper blade on the ejector pad and can clear up slide rail and recess in advance when the slider removes, avoids the dust particle on slide rail and the recess to get into the position between slider and the slide rail and lead to sliding resistance to grow, and can influence the roughness of the contact surface of contact, makes contact surface frictional force increase.

Preferably, the supporting block consists of a sliding frame, a telescopic block and a spring.

Preferably, the telescopic block is slidably connected to the inner wall of the sliding frame, and the spring is fixedly connected to the position between the sliding frame and the telescopic block.

Preferably, the cross section of the sliding rail is T-shaped.

(III) beneficial effects

Compared with the prior art, the utility model provides the linear guide rail with the dustproof structure, which has the following beneficial effects:

1. This linear guide with dustproof construction sets up the gyro wheel through seting up the recess at the top of slide rail and in the inside of slider for the gyro wheel is in the rolling mode of support of recess bottom, with reduction slide rail and slider area of contact, with the reduction sliding friction, and fixed roll connection compares the thrust that needs when sliding connection removes little.

2. This linear guide with dustproof construction, through the mode that sets up the ejector pad at the both ends of slider, connect the scraper blade on the ejector pad and clear up slide rail and recess in advance when the slider removes, avoid the position that dust particle on slide rail and the recess got into between slider and the slide rail to lead to sliding resistance grow, and can influence the roughness of the contact surface of contact, make contact surface frictional force increase.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a front view of the present utility model;

FIG. 2 is a partial cross-sectional view of the present utility model;

fig. 3 is a cross-sectional view of a support block of the present utility model.

In the figure: 1. a support plate; 2. a slide rail; 3. a slide block; 31. a mounting groove; 32. a roller; 4. a groove; 5. a cleaning assembly; 51. a support block; 511. a sliding frame; 512. a telescopic block; 513. a spring; 52. a pushing block; 53. a scraper.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Example 1

As shown in fig. 1-3, the utility model provides a linear guide rail with a dustproof structure, which comprises a supporting plate 1, wherein the top of the supporting plate 1 is fixedly connected with a sliding rail 2, the top of the sliding rail 2 is slidably connected with a sliding block 3, the top of the sliding rail 2 is provided with a groove 4, the bottom of the sliding block 3 is provided with a mounting groove 31, the inner wall of the mounting groove 31 is rotatably connected with a roller 32, the roller 32 is in rolling connection with the inner wall of the groove 4, the inner wall of the groove 4 is matched with the width of the roller 32, the two ends of the sliding block 3 are respectively fixedly connected with a cleaning assembly 5, and the contact area of the sliding rail 2 and the sliding block 3 is reduced in a rolling supporting manner of the roller 32 at the bottom of the groove 4 by arranging the groove 4 at the top of the sliding rail 2 and arranging the roller 32 in the sliding block 3.

In this embodiment, the groove 4 is formed at the top of the sliding rail 2 and the roller 32 is disposed inside the sliding block 3, so that the roller 32 is supported by rolling at the bottom of the groove 4, so as to reduce the contact area between the sliding rail 2 and the sliding block 3, reduce the sliding friction force, and reduce the thrust required during the sliding connection and movement compared with the fixed rolling connection.

Example 2

As shown in fig. 1-3, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the cleaning component 5 is composed of a supporting block 51, a pushing block 52 and a scraping plate 53, the supporting block 51 is fixedly connected to one side of the sliding block 3, the pushing block 52 is fixedly connected to the bottom of the supporting block 51, the pushing block 52 is in a T shape and is matched with the sliding rail 2 and the groove 4, the scraping plate 53 is fixedly connected to one side, far away from the sliding block 3, of the pushing block 52, when the sliding block 3 moves, the sliding rail 2 and the groove 4 are cleaned in advance by arranging the pushing block 52 at two ends of the sliding block 3, dust particles on the sliding rail 2 and the groove 4 enter the position between the sliding block 3 and the sliding rail 2 to cause sliding resistance to be large, flatness of a contact surface can be affected, friction force of the contact surface is increased, the supporting block 51 is composed of a sliding frame 511, a telescopic block 512 and a spring 513, the telescopic block 512 is slidably connected to the inner wall of the sliding frame 511, the spring 513 is fixedly connected to the position between the sliding frame 511 and the telescopic block 512, and the cross section of the sliding rail 2 is in the T shape.

In this embodiment, by arranging the push blocks 52 at two ends of the slider 3, when the slider 3 moves, the scraper 53 connected to the push blocks 52 can clean the slide rail 2 and the groove 4 in advance, so that the sliding resistance is prevented from being increased due to the fact that dust particles on the slide rail 2 and the groove 4 enter the position between the slider 3 and the slide rail 2, the flatness of a contact surface can be affected, and the friction force of the contact surface is increased.

The working principle of the linear guide rail with the dustproof structure is specifically described below.

As shown in fig. 1-3, when in use, the groove 4 is formed at the top of the sliding rail 2, and the roller 32 is arranged in the sliding block 3, so that the contact area of the roller 32 with the sliding block 3 is reduced by adopting a rolling support mode at the bottom of the groove 4, sliding friction force is reduced, and compared with the fixed rolling connection, the required thrust force in sliding connection movement is smaller, and when in sliding movement, the sliding block 3 is moved, the sliding rail 2 and the groove 4 are cleaned in advance by arranging the pushing blocks 52 at the two ends of the sliding block 3, so that the sliding resistance is increased due to the fact that dust particles on the sliding rail 2 and the groove 4 enter the position between the sliding block 3 and the sliding rail 2, the smoothness of a contact surface is influenced, and the friction force of the contact surface is increased.

Claims (6)

1. Linear guide with dustproof construction, including backup pad (1), its characterized in that: the utility model discloses a cleaning device for the automobile, including backup pad (1), top fixed connection slide rail (2), top sliding connection of slide rail (2) has slider (3), recess (4) have been seted up at the top of slide rail (2), mounting groove (31) have been seted up to the bottom of slider (3), the inner wall rotation of mounting groove (31) is connected with gyro wheel (32), gyro wheel (32) are at the inner wall roll connection of recess (4), and the inner wall of recess (4) and the width looks adaptation of gyro wheel (32), the both ends of slider (3) are fixedly connected with clean subassembly (5) respectively.

2. A linear guide rail having a dust-proof structure as claimed in claim 1, wherein: the cleaning assembly (5) is composed of a supporting block (51), a pushing block (52) and a scraping plate (53).

3. A linear guide rail having a dust-proof structure as claimed in claim 2, wherein: the supporting block (51) is fixedly connected to one side of the sliding block (3), the pushing block (52) is fixedly connected to the bottom of the supporting block (51), the pushing block (52) is T-shaped and is matched with the sliding rail (2) and the groove (4), and the scraping plate (53) is fixedly connected to one side, far away from the sliding block (3), of the pushing block (52).

4. A linear guide rail having a dust-proof structure as claimed in claim 2, wherein: the supporting block (51) consists of a sliding frame (511), a telescopic block (512) and a spring (513).

5. The linear guide rail having a dust-proof structure according to claim 4, wherein: the telescopic block (512) is slidably connected to the inner wall of the sliding frame (511), and the spring (513) is fixedly connected to the position between the sliding frame (511) and the telescopic block (512).

6. A linear guide rail having a dust-proof structure as claimed in claim 1, wherein: the cross section of the sliding rail (2) is T-shaped.