CN211009572U

CN211009572U - Linear guide rail with limiting mechanism

Info

Publication number: CN211009572U
Application number: CN201921968824.2U
Authority: CN
Inventors: 吴德才
Original assignee: Lishui City Xinda Bearing Co ltd
Current assignee: Lishui City Xinda Bearing Co ltd
Priority date: 2019-11-14
Filing date: 2019-11-14
Publication date: 2020-07-14
Anticipated expiration: 2029-11-14

Abstract

A linear guide rail with a limiting mechanism comprises a guide rail, a sliding block and the limiting mechanism, wherein the limiting mechanism comprises a limiting block for limiting the sliding block, the limiting block is arranged on the guide rail, a threaded through hole is formed in the top of the limiting block, a limiting column matched with a guide rail fixing hole is arranged in the threaded through hole, threads are arranged on the outer surface of the upper end of the limiting column, an inner hexagonal groove is formed in the upper surface of the limiting column, and the diameter of the lower end of the limiting column is smaller than the outer; the limiting block is fixed in the fixing hole of the guide rail through the rotation of the limiting column, the fixing is simple, and the limiting block is positioned through the fixing hole of the guide rail and is convenient to disassemble and assemble.

Description

Linear guide rail with limiting mechanism

Technical Field

The utility model relates to a guide rail field specifically is a linear guide with stop gear.

Background

The linear guide is used for supporting and guiding the moving part and makes reciprocating linear motion in a given direction.

When the linear guide rail is used on a mechanism, the sliding block slides on the guide rail, and the two ends of the guide rail need to limit the sliding block or ensure that the movement limit of the sliding block is in the guide rail, but the limited place is easy to loosen and inconvenient to install; or the moving part has a problem and slides out to drive the sliding block to slide out of the guide rail.

SUMMERY OF THE UTILITY MODEL

In order to achieve the purpose of the invention, the utility model adopts the following technical scheme:

the utility model provides a linear guide with stop gear, includes guide rail, slider and stop gear, and stop gear is including being used for the spacing stopper of slider, and on the guide rail was located to the stopper, the stopper top was equipped with the screw thread through-hole, was equipped with the spacing post that matches with the guide rail fixed orifices in the screw thread through-hole, and spacing post upper end surface is equipped with the screw thread, and spacing post upper surface is equipped with the interior hexagonal recess, and spacing post lower extreme diameter is less than the external diameter of screw thread.

Preferably, the top of the limiting block is provided with a long-strip-shaped groove, and the threaded through hole is located in the groove.

Preferably, the limiting block is C-shaped, the external shape of the limiting block is matched with the appearance of the sliding block, and the internal shape of the limiting block is matched with the track of the guide rail.

Preferably, the end, opposite to the sliding block, of the limiting block is provided with a rubber pad for buffering, and the rubber pad is bonded with the limiting block or connected with a bolt.

Preferably, stop gear still includes the magnetism fixing base that the break-make adsorbed guide rail magnetic force, and the magnetism fixing base is used for stop gear's fixed, and the magnetism fixing base is connected with the stopper, and the centre of magnetism fixing base and stopper is equipped with the gasket that is used for keeping apart magnetism fixing base and stopper.

Preferably, the magnetic fixing seat is internally provided with a cylindrical groove, and a flaky permanent magnet is arranged in the cylindrical groove and can rotate around an axis in the cylindrical groove.

Preferably, the magnetic fixing seat is made of soft magnetic materials, square through grooves are formed in the upper portion and the lower portion outside the cylindrical groove, non-magnetic copper blocks are arranged on the square through grooves, and the copper blocks are fixedly connected with the magnetic fixing seat.

Preferably, the other end of the magnetic fixing seat is provided with a non-magnetic cover plate, and bolts for connecting the cover plate with the magnetic fixing seat and connecting the gasket with the limiting block are arranged outside the cover plate.

Preferably, a rotating member for rotating the permanent magnet is arranged outside the cover plate, and the rotating member penetrates through the cover plate and is fixedly connected with the permanent magnet.

Compared with the prior art, the linear guide rail with the limiting mechanism, which adopts the technical scheme, has the following beneficial effects:

one, adopt the utility model discloses a linear guide with stop gear, the stopper is fixed in inserting the fixed orifices of guide rail through spacing post is rotatory, and is fixed simple, fixes a position through the fixed orifices of guide rail, easy dismounting.

And the limiting block is used for limiting the sliding block, so that the sliding block is prevented from sliding out when not used, or the sliding block can be used as a limiting mechanism, and the structure is simple and practical.

Drawings

Fig. 1 is a schematic structural diagram of embodiment 1 of the linear guide rail with a limiting mechanism of the present invention.

Fig. 2 is a partially disassembled schematic view of the linear guide rail with the limiting mechanism in embodiment 1.

Fig. 3 is a schematic structural view of a linear guide rail with a limiting mechanism in embodiment 2.

Fig. 4 is a schematic structural view of a linear guide with a limiting mechanism in embodiment 2.

Fig. 5 is an enlarged view of fig. 4 at a.

Fig. 6 is a diagram illustrating an unused state of the magnetic holder according to embodiment 2.

Fig. 7 is a diagram illustrating a usage state of the magnetic fixing base in embodiment 2.

Reference numerals: 1. a guide rail; 2. a slider; 3. a limiting block; 31. a groove; 4. a limiting column; 5. a magnetic fixing seat; 51. a permanent magnet; 52. a copper block; 53. a cover plate; 54. a rotating member.

Detailed Description

The first embodiment is as follows:

as shown in figures 1 to 2 a linear guide with stop gear, including guide rail 1, slider 2 and stop gear, stop gear is including being used for 2 spacing stoppers 3 of slider, stopper 3 is located on guide rail 1, stopper 3 top is equipped with the screw thread through-hole, stopper 3 top is equipped with the recess 31 of rectangular shape, the screw thread through-hole is located recess 31, stopper 3 is C shape, 3 external shape of stopper and 2 appearance phase-matches of slider, 3 internal shape of stopper and guide rail 1's track phase-matches, be equipped with the spacing post 4 with 1 fixed orifices matched with of guide rail in the screw thread through-hole, 4 upper end surfaces of spacing post are equipped with the screw thread, 4 upper surfaces of spacing post are equipped with interior hexagonal recess, stopper 3 top is equipped with the recess 31 of rectangular shape, the screw thread through-hole is located recess 31.

Stopper 3 shape is unanimous with slider 2 shape, stopper 3 inside blocks the guide rail, restricts 3 perpendicular slider direction of motion's of stopper motion, and spacing post 4 is rotatory to be inserted in the fixed orifices of guide rail 1 and is fixed, and is fixed simple, fixes a position through the fixed orifices of guide rail 1, easy dismounting, and stopper 3 is used for the spacing of slider, roll-off when preventing that slider 2 from not using, also can regard as stop gear when using the slider guide rail.

Stopper 3 is gone up and is equipped with the rubber pad that is used for the buffering with 2 relative one ends of slider, the rubber pad bonds or bolted connection with

stopper

3, 2 both ends of slider are equipped with nylon backing plate and rubber backing plate respectively, rubber backing plate is located the skin, when slider 2 strikes stopper 3, there is the shearing force to spacing post 4 guide rail 2 and stopper 3 during the striking, has had the rubber backing plate of slider 2 and the rubber pad buffering shock attenuation of stopper 3, can prevent that spacing post 4 from receiving the impact and splitting, increases spacing post 4's life-span.

The installation process comprises the following steps:

1. taking out the slide block guide rail, respectively sleeving the two ends of the slide block guide rail with the limiting blocks 3,

2. the threaded through hole of the limiting block 3 provided with the rubber pad is opposite to the fixing hole on the guide rail 2, and the limiting column 4 is screwed into the threaded through hole to enter the fixing hole.

Example two:

the second embodiment is basically the same as the first embodiment, and as shown in fig. 3 to 7, the difference is that the limiting mechanism in the second embodiment further comprises a magnetic fixing seat 5 capable of switching on and off adsorbing the magnetic force of the guide rail, the magnetic fixing seat 5 is made of a soft magnetic material, and the soft magnetic material is easy to magnetize and demagnetize under a weaker magnetic field; magnetism fixing base 5 is connected with stopper 3, and magnetism fixing base 5 is equipped with the gasket that is used for keeping apart magnetism fixing base 5 and stopper 3 with the centre of stopper 3, and magnetism fixing base 5 is used for further strengthening stopper 3's fixed to installation convenient to use.

The inside cylinder groove that is of magnetism fixing base 5, the cylinder inslot is equipped with flaky permanent magnet 51, and permanent magnet 51 can be rotatory around the axis at the cylinder inslot, and 5 shells of magnetism fixing base are soft magnetic material, and the upper and lower outside of cylinder groove respectively are equipped with square through groove, are equipped with the copper billet 52 of non-magnetic conduction on the square through groove, copper billet 52 and magnetism fixing base 5 fixed connection.

When the two poles of the permanent magnet 51 are in the horizontal direction (as shown in fig. 7), when the middle of the permanent magnet 51 faces the bottom surface of the magnetic fixing base 5, the magnetic fixing base 5 is made of soft magnetic material, and the middle of the permanent magnet 51 has only minimal magnetism and is not magnetized, so that the magnetic fixing base 5 has almost no magnetic force and can be easily removed from the surface of the guide rail 1.

When the two poles (N or S) of the permanent magnet 51 are in the vertical direction (as shown in fig. 6), that is, the N or S poles of the permanent magnet 51 are perpendicular to the upper and lower surfaces of the magnetic fixing base 5, the magnetic fixing base 5 is magnetized, and the magnetic fixing base 5 has strong magnetism and can be used for attracting the surface of the guide rail.

The other end of the magnetic fixing seat 5 is provided with a non-magnetic cover plate 53, the cover plate 53 is externally provided with bolts for connecting the cover plate 53 with the magnetic fixing seat 5 and the gasket with the limiting block 3, and the cover plate 53 seals the cylindrical groove.

The rotating piece 54 for rotating the permanent magnet 51 is arranged outside the cover plate 53, the rotating piece 54 penetrates through the cover plate 53 and is fixedly connected with the permanent magnet 51, the rotating piece 54 is circular, an arc-shaped groove convenient to grasp is formed in the rotating piece 54, the permanent magnet 51 in the cylindrical groove is rotated by rotating the rotating piece 54, and the two poles of the permanent magnet 51 are controlled to be in the vertical direction or the horizontal direction.

1. The slide block guide rail is taken out, the magnetic fixing seat 5 is fixedly connected with the limiting block 3 through a bolt, and two poles of the permanent magnet are rotated in the horizontal direction through the rotating piece 54.

2. Then the integrated magnetic fixing seat 5 and the limiting block 3 are sleeved into the guide rail, the threaded through hole of the limiting block 3 is opposite to the fixing hole on the guide rail 2, and the limiting column 4 is screwed into the threaded through hole to enter the fixing hole.

4. The two poles of the permanent magnet are rotated in the up-down direction by the rotating member 54.

5. The magnetic fixing base 5 is magnetized, and the magnetic fixing base 5 has strong magnetism and can be used for attracting the surface of the guide rail.

The above description is a preferred embodiment of the present invention, and a person skilled in the art can make several modifications and improvements without departing from the principles of the present invention, and these should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a linear guide with stop gear, includes guide rail (1) and slider (2), its characterized in that: the limiting mechanism comprises a limiting block (3) used for limiting the sliding block (2), the limiting block (3) is arranged on the guide rail (1), a threaded through hole is formed in the top of the limiting block (3), a limiting column (4) matched with the guide rail (1) fixing hole is arranged in the threaded through hole, threads are arranged on the outer surface of the upper end of the limiting column (4), and an inner hexagonal groove is formed in the upper surface of the limiting column (4).

2. The linear guide with the limiting mechanism according to claim 1, wherein: the top of the limiting block (3) is provided with a strip-shaped groove (31), and the threaded through hole is positioned in the groove (31).

3. The linear guide with the limiting mechanism according to claim 1, wherein: the limiting block (3) is C-shaped, the external shape of the limiting block (3) is matched with the appearance of the sliding block (2), and the internal shape of the limiting block (3) is matched with the track of the guide rail (1).

4. The linear guide with the limiting mechanism according to claim 3, wherein: one end of the limiting block (3) opposite to the sliding block (2) is provided with a rubber pad for buffering, and the rubber pad is bonded with the limiting block (3) or connected with a bolt.

5. The linear guide with the limiting mechanism according to claim 3, wherein: the limiting mechanism further comprises a magnetic fixing seat (5) capable of being switched on and off to adsorb the magnetic force of the guide rail, the magnetic fixing seat (5) is connected with the limiting block (3), and a gasket used for isolating the magnetic fixing seat (5) and the limiting block (3) is arranged between the magnetic fixing seat (5) and the limiting block (3).

6. The linear guide with the limiting mechanism according to claim 5, wherein: the magnetic fixing seat (5) is internally provided with a cylindrical groove, a flaky permanent magnet (51) is arranged in the cylindrical groove, and the permanent magnet (51) can rotate around the axis in the cylindrical groove.

7. The linear guide with the limiting mechanism according to claim 6, wherein: the magnetic fixing seat (5) is made of soft magnetic materials, square through grooves are formed in the upper portion and the lower portion of the outer portion of the cylindrical groove, non-magnetic copper blocks (52) are arranged on the square through grooves, and the copper blocks (52) are fixedly connected with the magnetic fixing seat (5).

8. The linear guide with the limiting mechanism according to claim 7, wherein: the other end of the magnetic fixing seat (5) is provided with a non-magnetic cover plate (53), and bolts for connecting the cover plate (53) with the magnetic fixing seat (5) and the gasket with the limiting block (3) are arranged outside the cover plate (53).

9. The linear guide with the limiting mechanism according to claim 8, wherein: a rotating piece (54) for rotating the permanent magnet is arranged outside the cover plate (53), and the rotating piece (54) penetrates through the cover plate (53) and is fixedly connected with the permanent magnet (51).