CN112013016A

CN112013016A - Linear guide rail with locking device

Info

Publication number: CN112013016A
Application number: CN202010820298.6A
Authority: CN
Inventors: 孙宰州; 康杰
Original assignee: Lepu Medical Technology Beijing Co Ltd
Current assignee: Lepu Medical Technology Beijing Co Ltd
Priority date: 2020-08-14
Filing date: 2020-08-14
Publication date: 2020-12-01
Anticipated expiration: 2040-08-14
Also published as: CN112013016B

Abstract

The invention discloses a linear guide rail with a locking device, which comprises a hollow special-shaped guide rail, wherein end covers are arranged at two ends of the hollow special-shaped guide rail, quick connectors are arranged on the end covers, end locks are arranged at the top ends of the two ends of the hollow special-shaped guide rail, a sliding block base is arranged between the two end locks and positioned at the top of the hollow special-shaped guide rail, inserting blocks are arranged on two side surfaces, facing the end locks, of the sliding block base, clamping grooves are formed in the bottom of the sliding block base, rollers are symmetrically arranged on the inner sides of the clamping grooves, rolling shafts are arranged on the rollers, and the rolling shafts penetrate through the sliding block; the top both sides symmetry of cavity dysmorphism guide rail is provided with the spout. Has the advantages that: adopt end lock and damping component to cooperate, can lock the operation to the slider base on the linear guide, can avoid slider and linear guide to break away from on the one hand, on the other hand can lock the slider base optional position on linear guide, and the direction precision is higher, convenient to use.

Description

Linear guide rail with locking device

Technical Field

The invention relates to the technical field of linear guide rails, in particular to a linear guide rail with a locking device.

Background

The linear guide rail can be divided into: the roller linear guide rail, the cylindrical linear guide rail and the ball linear guide rail are used for supporting and guiding a moving part to do reciprocating linear motion in a given direction. The massage brush has certain properties, and the linear motion guide rail can be divided into a sliding friction guide rail, a rolling friction guide rail, an elastic friction guide rail, a fluid friction guide rail and the like.

The existing roller linear guide rail is matched with a guide rail by adopting rollers in the actual use, certain errors exist in the guide precision of the linear guide rail on a certain distance, the traditional linear guide rail is generally limited by equipment bodies positioned at two ends of the linear guide rail in the actual use, a limiting device is additionally arranged at the tail end of the linear guide rail in some ways, and the mode can not realize that a sliding block is locked at any position on the linear guide rail.

An effective solution to the problems in the related art has not been proposed yet.

Disclosure of Invention

In view of the problems in the related art, the present invention provides a linear guide with a locking device to overcome the above technical problems in the related art.

Therefore, the invention adopts the following specific technical scheme:

a linear guide rail with a locking device comprises a hollow special-shaped guide rail, wherein end covers are arranged at two ends of the hollow special-shaped guide rail, quick connectors are arranged on the end covers, end locks are arranged at the top ends of the two ends of the hollow special-shaped guide rail, a slider base is arranged between the two end locks and positioned at the top of the hollow special-shaped guide rail, inserting blocks are arranged on two side faces, facing the end locks, of the slider base, clamping grooves are formed in the bottom of the slider base, rollers are symmetrically arranged on the inner sides of the clamping grooves, rolling shafts are arranged on the rollers, and the rolling shafts penetrate through the slider base and extend to the; the top bilateral symmetry of cavity dysmorphism guide rail is provided with the spout, and the tank bottom of spout is tangent with the excircle of gyro wheel, and the below of spout and the bilateral symmetry that is located cavity dysmorphism guide rail are provided with semicircular groove, and the bottom equidistance of spout is provided with a plurality of through-holes, and cavity dysmorphism guide rail is inside to be provided with damping subassembly, and damping subassembly's both ends all are linked together through trachea and quick-operation joint.

Further, in order to increase the security of this linear guide, be convenient for realize the automation, the end lock is including setting up the base on cavity dysmorphism guide rail top, seted up on the base and run through the slot, one side of base is provided with the coil, the inboard sliding connection of coil has the magnet core, the spacing hole of U-shaped has been seted up at the top of coil, and the axis of coil and the axis mutually perpendicular who runs through the slot, the top of magnet core is provided with the spacer pin, and the spacer pin runs through the spacing hole of U-shaped and extends to the outside of coil, the magnet core evenly is provided with a plurality of locking teeth one along vertical direction towards the one end terminal surface of base.

Furthermore, for the magnet core can firmly lock the inserted block, and then realize locking the slider base, the inserted block is provided with the arc surface towards the one end of base, and one side of inserted block evenly sets up along vertical direction with a plurality of lock teeth two.

Further, in order to realize the locking of slider base, damping subassembly is including setting up the casing at cavity dysmorphism guide rail inside, the inside of casing is provided with the gasbag, the bilateral symmetry of gasbag is provided with damping mechanism, damping subassembly is still including setting up the solenoid valve inside cavity dysmorphism guide rail and be located the casing both ends, and the solenoid valve is linked together through trachea and quick-operation joint and gasbag, damping mechanism is including the T shape damping that runs through the casing setting, and the equal footpath section of T shape damping all extends to in the through-hole, the damped excircle of T shape is provided with the spring.

Furthermore, in order to increase the guiding precision of the linear guide rail, semicircular guide rails are symmetrically arranged at the bottoms of the groove walls of the clamping grooves and are in sliding connection with the semicircular grooves.

Furthermore, in order to facilitate the sealing of the hollow special-shaped guide rail, the outer contour of the end cover is consistent with that of the hollow special-shaped guide rail, a round hole is formed in the middle of the end cover, and a plurality of threaded holes are formed around the round hole.

The invention has the beneficial effects that:

(1) the invention has reasonable structural design, adopts the matching of the end lock and the damping component, can lock the slider base on the linear guide rail, can prevent the slider from being separated from the linear guide rail on one hand, and can lock the slider base at any position on the linear guide rail on the other hand, and is convenient to install, higher in guiding precision and convenient to use.

(2) Through setting up the end lock and cooperating with the inserted block, realized two-way end to the locking of slider base, can effectively avoid slider base roll-off on linear guide, increased this linear guide's security, adopt electromagnetic control to be convenient for realize the automation simultaneously.

(3) The semicircular guide rail is matched with the semicircular groove through arrangement, the roller is matched with the sliding groove, and the linear reciprocating motion of the sliding block base on the hollow special-shaped guide rail is realized by adopting a mode of combining rolling friction and sliding friction, so that the guide precision of the linear guide rail is increased.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic structural view of a linear guide with a locking device according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view taken at A-A of FIG. 1;

FIG. 3 is an enlarged view of a portion of FIG. 1 at B;

FIG. 4 is a cross-sectional view at C-C of FIG. 2;

FIG. 5 is a schematic structural view of a hollow profile rail with a linear rail having a locking device according to an embodiment of the present invention;

FIG. 6 is a schematic structural view of an end cap with a linear guide of a locking device according to an embodiment of the present invention;

fig. 7 is a schematic structural view of a slider base with a linear guide of a locking device according to an embodiment of the present invention.

In the figure:

1. a hollow profiled guide rail; 2. an end cap; 201. a circular hole; 202. a threaded hole; 3. a quick coupling; 4. a tail end lock; 5. a slider base; 6. inserting a block; 601. a circular arc surface; 602. a second locking tooth; 7. a card slot; 8. a roller; 9. a roller; 10. a chute; 11. a semicircular groove; 12. a through hole; 13. a damping assembly; 14. a base; 15. penetrating through the slot; 16. a coil; 17. a magnetic core; 18. a U-shaped limiting hole; 19. a spacing pin; 20. locking teeth I; 21. a housing; 22. an air bag; 23. a damping mechanism; 24. an electromagnetic valve; 25. t-shaped damping; 26. a spring; 27. semicircular guide rails.

Detailed Description

For further explanation of the various embodiments, the drawings which form a part of the disclosure and which are incorporated in and constitute a part of this specification, illustrate embodiments and, together with the description, serve to explain the principles of operation of the embodiments, and to enable others of ordinary skill in the art to understand the various embodiments and advantages of the invention, and, by reference to these figures, reference is made to the accompanying drawings, which are not to scale and wherein like reference numerals generally refer to like elements.

According to an embodiment of the present invention, a linear guide with a locking device is provided.

Referring to the drawings and the detailed description, as shown in fig. 1-7, a linear guide rail with a locking device according to an embodiment of the present invention includes a hollow special-shaped guide rail 1, end caps 2 are disposed at both ends of the hollow special-shaped guide rail 1, quick connectors 3 are disposed on the end caps 2, end locks 4 are disposed at both ends of the hollow special-shaped guide rail 1, a slider base 5 is disposed between the end locks 4 and at the top of the hollow special-shaped guide rail 1, two side faces of the slider base 5 facing the end locks 4 are provided with insertion blocks 6, a slot 7 is disposed at the bottom of the slider base 5, rollers 8 are symmetrically disposed inside the slot 7, a roller 9 is disposed on the roller 8, and the roller 9 penetrates through the slider base 5 and extends to the outside of the slider base 5; the top bilateral symmetry of cavity dysmorphism guide rail 1 is provided with spout 10, and the tank bottom of spout 10 is tangent with gyro wheel 8's excircle, and the below of spout 10 and the bilateral symmetry that is located cavity dysmorphism guide rail 1 are provided with semicircular groove 11, and the bottom equidistance of spout 10 is provided with a plurality of through-holes 12, and cavity dysmorphism guide rail 1 is inside to be provided with damping component 13, and damping component 13's both ends all are linked together through trachea and quick-operation joint 3.

By means of the above scheme to make structural design reasonable, adopt end lock and damping component to cooperate, can lock the operation to the slider base on the linear guide, can avoid slider and linear guide to break away from on the one hand, on the other hand can lock the optional position of slider base on linear guide, and while is easy to assemble, the direction precision is higher, convenient to use.

In one embodiment, the end lock 4 comprises a base 14 disposed at the top end of the hollow profiled guide rail 1, a through slot 15 is formed on the base 14, a coil 16 is disposed at one side of the base 14, a magnetic core 17 is slidably connected to the inner side of the coil 16, a U-shaped limiting hole 18 is formed at the top of the coil 16, and the axis of the coil 16 is perpendicular to the axis of the through slot 15, the top of the magnetic core 17 is provided with a limit pin 19, the limiting pin 19 penetrates through the U-shaped limiting hole 18 and extends to the outside of the coil 16, a plurality of locking teeth 20 are uniformly arranged on the end surface of the magnetic core 17 facing to one end of the base 14 along the vertical direction, thereby leading the end lock 4 to be matched with the insert block 6, realizing the locking of the bidirectional end to the slide block base 5, the sliding of the slider base 5 on the linear guide rail can be effectively avoided, the safety of the linear guide rail is improved, and meanwhile, the electromagnetic control is adopted, so that the automation is convenient to realize.

In one embodiment, the circular arc surface 601 is arranged at one end, facing the base 14, of the insert 6, and one side of the insert 6 is uniformly arranged on the second locking teeth 602 along the vertical direction, so that the second locking teeth 602 are matched with the first locking teeth 20, the contact area between the magnet core 17 and the insert 6 is increased, the friction force between the magnet core 17 and the insert 6 is increased, the magnet core 17 can be firmly locked to the insert 6, and the locking of the sliding block base 5 is realized.

In one embodiment, the damping assembly 13 includes a housing 21 disposed inside the hollow profiled guide rail 1, an air bag 22 is disposed inside the housing 21, damping mechanisms 23 are symmetrically disposed on two sides of the air bag 22, the damping assembly 13 further includes electromagnetic valves 24 disposed inside the hollow profiled guide rail 1 and located at two ends of the housing 21, the electromagnetic valves 24 are communicated with the quick coupling 3 and the air bag 22 through air pipes, the damping mechanisms 23 include T-shaped dampers 25 disposed through the housing 21, equal-diameter sections of the T-shaped dampers 25 extend into the through holes 12, springs 26 are disposed on outer circles of the T-shaped dampers 25, the quick coupling 3 is adapted to be connected to an external air source, so that the damping assembly 13 is matched with the rollers 8, the air bag 22 is inflated and expanded under the control of the electromagnetic valves 24 located at one end of the air bag 22, the T-shaped dampers 25 are driven to move towards two sides along the stepped holes on the housing 21 until penetrating through, and extend to the outside of the through hole 12 to block the extrusion roller 8, so that the sliding block base 5 stops on the linear guide rail, and further the locking of the sliding block base 5 can be realized, when the electromagnetic valve 24 at the other end of the air bag 22 is opened, the air bag 22 is deflated and contracted, and the T-shaped damping is reset under the action of the spring 26, so that the self-use of the sliding block base 5 is recovered, the automatic control is convenient, and the manual intervention is not needed.

In one embodiment, the semicircular guide rails 27 are symmetrically arranged at the bottoms of the groove walls of the clamping grooves 7, and the semicircular guide rails 27 are slidably connected with the semicircular grooves 11, so that the semicircular guide rails 27 are matched with the semicircular grooves 11, and the guiding precision of the linear guide rail is improved.

In one embodiment, the outer contour of the end cap 2 is identical to the outer contour of the hollow special-shaped guide rail 1, and a circular hole 201 is formed in the middle of the end cap 2, and a plurality of threaded holes 202 are formed around the circular hole 201, so that the end cap 2 can be connected with the hollow special-shaped guide rail 1 into a whole, and the hollow special-shaped guide rail 1 can be conveniently sealed.

For the convenience of understanding the technical solutions of the present invention, the following detailed description will be made on the working principle or the operation mode of the present invention in the practical process.

In practical application, the linear slide rail is electrically connected with an equipment control center, when the slide block base 5 moves to the tail end of the hollow special-shaped guide rail 1, the inserting block 6 is inserted into the through slot 15, the coil 16 is electrified to generate magnetic force, the magnet core 17 is driven to move towards the base 14 according to the principle that the magnetic force is in the same row and is in opposite attraction, the locking tooth I20 is meshed with the locking tooth II 602 to realize the locking of the slide block base 5, meanwhile, the limiting pin 19 is matched with the U-shaped limiting hole 18 to limit the moving distance of the magnet core 17 and avoid the situation that the magnet core 17 is separated, when the slide block base 5 needs to be locked on the linear guide rail, the air bag 22 is inflated and expanded under the control of the electromagnetic valve 24 at one end of the air bag 22 to drive the T-shaped damper 25 to move towards two sides along the stepped hole on the shell 21 until the T-shaped damper passes through the through hole 12 and extends to the, so as to block the extrusion roller 8, make the slide block base 5 stop on the linear guide, and then can realize the locking of slide block base 5, when the solenoid valve 24 that is located the gasbag 22 other end is opened, the gasbag 22 gassing shrink, the T-shaped damping resets under the effect of spring 26, and then resumes the self-service of slide block base 5, the automated control of being convenient for.

In summary, according to the technical scheme of the invention, the end lock 4 is arranged to be matched with the insert block 6, so that the slider base 5 is locked by the bidirectional end, the slider base 5 can be effectively prevented from sliding out of the linear guide rail, the safety of the linear guide rail is improved, and meanwhile, the electromagnetic control is adopted, so that the automation is convenient to realize. Through setting up lock tooth two 602 with lock tooth one 20 cooperatees, has increased the area of contact between magnet core 17 and the inserted block 6, and then has increased the frictional force between the two, makes magnet core 17 can firmly lock inserted block 6, and then realizes locking slider base 5. Thereby make structural design reasonable, adopt end lock and damping subassembly to cooperate, can lock the operation to the slider base on the linear guide, can avoid slider and linear guide to break away from on the one hand, on the other hand can lock the optional position of slider base on linear guide, and while is easy to assemble, and the direction precision is higher, convenient to use.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. A linear guide rail with a locking device is characterized by comprising a hollow special-shaped guide rail (1), both ends of the hollow special-shaped guide rail (1) are provided with end covers (2), the end covers (2) are provided with quick connectors (3), the top ends of the two ends of the hollow special-shaped guide rail (1) are respectively provided with a tail end lock (4), a sliding block base (5) is arranged between the two tail end locks (4) and positioned at the top of the hollow special-shaped guide rail (1), the two side surfaces of the sliding block base (5) facing the tail end lock (4) are provided with inserting blocks (6), a clamping groove (7) is arranged at the bottom of the sliding block base (5), rollers (8) are symmetrically arranged at the inner side of the clamping groove (7), a rolling shaft (9) is arranged on each roller (8), the rolling shaft (9) penetrates through the sliding block base (5) and extends to the outside of the sliding block base (5);

the top bilateral symmetry of cavity dysmorphism guide rail (1) is provided with spout (10), just the tank bottom of spout (10) with the excircle of gyro wheel (8) is tangent, the below of spout (10) just is located the bilateral symmetry of cavity dysmorphism guide rail (1) is provided with semicircular groove (11), the bottom equidistance of spout (10) is provided with a plurality of through-holes (12), cavity dysmorphism guide rail (1) inside is provided with damping component (13), just the both ends of damping component (13) all through the trachea with quick-operation joint (3) are linked together.

2. The linear guide rail with the locking device according to claim 1, characterized in that the end lock (4) comprises a base (14) arranged at the top end of the hollow profiled guide rail (1), the base (14) is provided with a through slot (15), one side of the base (14) is provided with a coil (16), and the inner side of the coil (16) is slidably connected with a magnetic core (17).

3. The linear guide rail with the locking device is characterized in that a U-shaped limiting hole (18) is formed in the top of the coil (16), and the axis of the coil (16) is perpendicular to the axis of the through slot (15).

4. The linear guide rail with the locking device is characterized in that a limiting pin (19) is arranged at the top end of the magnet core (17), the limiting pin (19) penetrates through the U-shaped limiting hole (18) and extends to the outside of the coil (16), and a plurality of locking teeth (20) are uniformly arranged on the end face, facing the base (14), of the magnet core (17) in the vertical direction.

5. The linear guide rail with the locking device is characterized in that one end, facing the base (14), of the insert block (6) is provided with a circular arc surface (601), and one side of the insert block (6) is uniformly provided with a plurality of second locking teeth (602) along the vertical direction.

6. The linear guide with locking device according to claim 1, characterized in that the damping assembly (13) comprises a housing (21) arranged inside the hollow profiled guide (1), an air bag (22) is arranged inside the housing (21), and damping mechanisms (23) are symmetrically arranged on two sides of the air bag (22).

7. The linear guide with locking device of claim 6, characterized in that the damping assembly (13) further comprises electromagnetic valves (24) arranged inside the hollow profiled guide (1) and located at two ends of the housing (21), and the electromagnetic valves (24) are communicated with the quick connector (3) and the air bag (22) through air pipes.

8. The linear guide with locking device of claim 6, characterized in that the damping mechanism (23) comprises a T-shaped damper (25) which is arranged through the housing (21), and the equal-diameter sections of the T-shaped damper (25) extend into the through hole (12), and the outer circle of the T-shaped damper (25) is provided with a spring (26).

9. The linear guide rail with the locking device is characterized in that semicircular guide rails (27) are symmetrically arranged at the bottoms of the groove walls of the clamping grooves (7), and the semicircular guide rails (27) are slidably connected with the semicircular grooves (11).

10. The linear guide rail with the locking device is characterized in that the outer contour of the end cover (2) is consistent with that of the hollow special-shaped guide rail (1), a round hole (201) is formed in the middle of the end cover (2), and a plurality of threaded holes (202) are formed around the round hole (201).