CN218953831U

CN218953831U - Self-lubricating linear slide block

Info

Publication number: CN218953831U
Application number: CN202222949194.2U
Authority: CN
Inventors: 危金华
Original assignee: Wenzhou Xinli Automation Technology Co ltd
Current assignee: Wenzhou Xinli Automation Technology Co ltd
Priority date: 2022-11-02
Filing date: 2022-11-02
Publication date: 2023-05-02
Anticipated expiration: 2032-11-02

Abstract

The utility model discloses a self-lubricating linear sliding block which structurally comprises a shell and two end covers fixed at two ends of the shell, wherein a ball loop is arranged between the end covers and the shell, a lubricating channel communicated with the ball loop is arranged in the end covers, an installation concave position is arranged at the upper end of each end cover, a through hole communicated with the lubricating channel is arranged at the center of the inner bottom surface of each installation concave position, an oil filling plug is arranged in each through hole, an oil filling hole is arranged in each oil filling hole, the oil filling hole is provided with an oil filling hole, a matching plug is arranged in each oil filling hole in a telescopic manner, the oil filling hole is closed when the matching plug is retracted, a protective cover is arranged in each installation concave position through a clamping mechanism, and the matching plug is retracted when the protective cover is in an installation state.

Description

Self-lubricating linear slide block

Technical Field

The utility model relates to the technical field of guide rail sliding blocks, in particular to a self-lubricating linear sliding block.

Background

The sliding block is a component which is connected with a moving pair for a frame body and a rotating pair for other moving components in the mechanism, and the sliding block is usually required to be lubricated with the sliding block and a sliding rail in the use process of the sliding block, and particularly, whether the sliding block is lubricated or not can greatly influence the positioning precision of the sliding block when the sliding block is used for positioning the sliding block with high precision.

The existing sliding block is generally provided with an oil filling port for adding lubricating oil, so that the following problems exist: 1. for example, bulletin numbers: CN203532543U, entitled: the linear guide rail slide block is provided with a dust-proof linear guide rail slide block, an oil injection port is provided with an oil nozzle, and the oil nozzle can be pressurized and injected by a special tool, so that the operation is troublesome; 2. also for example, bulletin numbers: CN212775177U, entitled: the self-lubricating sliding block for the drilling and tapping center machine has the advantages that the sealing plug is arranged on the oil filling port, and the oil filling convenience is improved compared with that of the oil filling port, but when the self-lubricating sliding block is used, the sealing plug is inconvenient to disassemble if being matched too tightly, and the tightness is affected if being matched too loosely; 3. for another example, bulletin number: CN211117149U, entitled: the utility model provides a sanitation car self-lubricating nylon slider, its oiling mouth is equipped with sealed lid through the screw cap, and it improves oiling convenience and guarantees sealed effect simultaneously, but all need elasticity screw repeatedly when its oiling at every turn, and the operation process is comparatively loaded down with trivial details.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model aims to provide a self-lubricating linear sliding block so as to solve the technical problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a self-lubricating linear slider, includes the casing, two end covers at the casing both ends of fixing, be provided with the ball return circuit between end cover and the casing, be equipped with the lubrication channel that switches on with the ball return circuit in the end cover, the installation concave position has been seted up to end cover upper end, the through-hole that switches on with the lubrication channel has been seted up to bottom surface center department in the installation concave position, the oil filler point has been seted up to the built-in oil filler plug and the oil filler plug that has, be provided with in the oil filler point and promote the oil filler point to close when contracting in cooperation plug through the flexible cooperation of elasticity, be provided with the visor in the installation concave position, the visor with be provided with between the installation concave position the visor covers completely during the installation concave position prevent the visor breaks away from the chucking mechanism of installation concave position owing to the resilience force of cooperation plug.

The utility model is further provided with: the center of the inner bottom wall of the oil filling hole is provided with a plug, the inner bottom wall of the oil filling hole is circumferentially provided with a plurality of through grooves by taking the plug as an axis, and the center of the matched plug is provided with an oil passing hole matched with the plug.

The utility model is further provided with: two guide grooves are correspondingly formed in the inner peripheral surface of the oil filling hole, sliding rods are arranged in the two guide grooves, two sliding blocks which extend into the guide grooves and are matched with the sliding rods are arranged on the inner end surface of the matched plug, and reset springs are sleeved between the lower end surface of each sliding block and the side wall of the guide groove.

The utility model is further provided with: the upper end of the oil injection plug is positioned at equal distance from the outer ring of the oil injection hole and is circumferentially provided with a plurality of reset elastic pieces, and the outer circumferential surface of the upper end of the matching plug is provided with a supporting ring matched with the reset elastic pieces.

The utility model is further provided with: the clamping mechanism comprises two fixing columns which are correspondingly arranged on the inner bottom surface of the installation concave position, two positioning holes matched with the fixing columns are formed in the lower end surface of the protective cover, movable holes are formed in the inner walls of opposite sides of the two positioning holes, locking rods are arranged in the movable holes in a telescopic mode, and locking holes matched with the locking rods are formed in opposite sides of the two fixing columns.

The utility model is further provided with: the center department of protecting cover upper end has seted up shaft hole and in the shaft hole rotation is provided with the cooperation post, and each movable hole all communicates with the shaft hole, and the cooperation post outer end extends to outside the shaft hole and is connected with the piece of gripping, and the cooperation post is located movable hole and corresponds the department and correspond and be provided with two first accommodation holes, and cooperation post outer peripheral face is located and is provided with two second accommodation holes between two first accommodation holes, and the degree of depth of first accommodation hole is less than the degree of depth of second accommodation hole.

The utility model is further provided with: the inner end surface of the protective cover is provided with a containing concave position matched with the oil filling plug.

In summary, the utility model has the following beneficial effects: when the linear sliding block is in a use state, the protective cover is fixedly arranged in the installation concave position through the clamping mechanism, the matched plug is driven to shrink inwards when the protective cover is in the installation state, the matched plug is driven to shrink inwards to drive the oil filling hole to be closed, oil leakage caused by shaking in the use process of the linear sliding block is avoided, when the oil is required to be filled in the lubrication channel, the clamping mechanism is canceled to lock the protective cover and detach the protective cover, the matched plug is driven to pop out of the oil filling hole when the protective cover is detached, meanwhile, the oil filling hole is automatically closed when the protective cover is in the installation state, the oil filling hole is automatically opened when the protective cover is detached, and the protective cover is convenient to assemble and disassemble.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

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

FIG. 2 is a schematic view of the internal structure of the end cap of the present utility model;

FIG. 3 is an enlarged schematic view of a partial structure at A in FIG. 2;

FIG. 4 is an enlarged schematic view of a partial structure at B in FIG. 2;

fig. 5 is a schematic distribution diagram of the first receiving hole and the second receiving hole according to the present utility model.

Reference numerals: 1. a housing; 10. an end cap; 11. a ball circuit; 12. a lubrication channel; 2. installing a concave position; 20. a through hole; 21. a protective cover; 22. fixing the column; 23. positioning holes; 24. a movable hole; 25. a lock lever; 26. a lock hole; 27. a shaft hole; 28. a mating post; 29. a grip tab; 3. an oil filling plug; 30. an oil filling hole; 31. a mating plug; 32. a plug; 33. a through groove; 34. an oil passing hole; 35. a guide groove; 36. a slide bar; 37. a slide block; 38. a return spring; 39. resetting the spring plate; 4. a first accommodation hole; 41. a second accommodation hole; 42. a support ring; 43. accommodating the recess.

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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the self-lubricating linear slider of the embodiment of the present utility model includes a housing 1, two end caps 10 fixed at two ends of the housing 1, a ball loop 11 is disposed between the end caps 10 and the housing 1, a lubrication channel 12 in communication with the ball loop 11 is disposed in the end caps 10, a mounting recess 2 is disposed at an upper end of the end caps 10, a through hole 20 in communication with the lubrication channel 12 is disposed at a center of an inner bottom surface of the mounting recess 2, an oil filling plug 3 is disposed in the through hole 20, an oil filling hole 30 is disposed in the oil filling hole 30, a fitting plug 31 that stretches through an elastic force is disposed in the oil filling hole 30, and when the fitting plug 31 contracts, the oil filling hole 30 is closed, a protection cover is disposed in the mounting recess 2, and a protection cover 21 and a protection cover clamping mechanism for preventing the protection cover 21 from being separated from the mounting recess 2 due to a rebound force of the fitting plug 31 when the protection cover 21 completely covers the mounting recess 2.

When the linear slide block 37 is in use, the protective cover 21 is fixedly arranged in the installation concave position 2 through the clamping mechanism, the matched plug 31 is contracted when the protective cover 21 is in the installation state, the matched plug 31 is contracted to enable the oil filling hole 30 to be closed, oil leakage caused by shaking in the use process of the linear slide block 37 is avoided, when oil is required to be filled into the lubricating channel 12, the clamping mechanism is used for locking the protective cover 21 and removing the protective cover 21, the matched plug 31 is enabled to eject the oil filling hole 30 when the protective cover 21 is removed, meanwhile, the oil filling hole 30 is automatically closed when the protective cover 21 is in the installation state, the oil filling hole 30 is automatically opened when the protective cover 21 is removed, and the protective cover 21 is convenient to assemble and disassemble.

A plug 32 is arranged at the center of the inner bottom wall of the oil filling hole 30, a plurality of through grooves 33 are formed in the inner bottom wall of the oil filling hole 30 circumferentially by taking the plug 32 as an axis, and an oil passing hole 34 matched with the plug 32 is formed at the center of the matched plug 31; two guide grooves 35 are correspondingly formed in the inner peripheral surface of the oil filling hole 30, sliding rods 36 are arranged in the two guide grooves 35, two sliding blocks 37 which extend into the guide grooves 35 and are matched with the sliding rods 36 are formed in the inner end surface of the matched plug 31, and reset springs 38 are sleeved between the lower end surface of the sliding blocks 37 and the side walls of the guide grooves 35 and are positioned on the outer ring of the two sliding rods 36.

When the protective cover 21 is used, the matched plug 31 is forced to retract into the oil filling hole 30 against the acting force of the return spring 38 when in the installation state, the plug 32 plugs the oil passing hole 34 so as to close the oil filling hole 30, and the telescopic path of the matched plug 31 is limited through the matching of the sliding block 37 and the sliding rod 36, so that the clamping stagnation is avoided; when the protective cover 21 is detached, the matching plug 31 ejects out of the oil filling hole 30 due to the elastic force of the return spring 38, at the moment, the plug 32 is used for blocking the oil passing hole 34, so that a worker can directly fill oil from the oil passing hole 34 by adopting an injector or an oil pot, and the oil enters the oil lubricating channel through the oil passing hole 34 and the through groove 33 to finish filling oil.

The upper end of the oil filling plug 3 is provided with a plurality of reset elastic pieces 39 which are positioned at equal intervals on the outer ring of the oil filling hole 30 in the circumferential direction, and the outer circumferential surface of the upper end of the matching plug 31 is provided with a supporting ring 42 matched with the reset elastic pieces 39.

When the elastic fitting plug 31 is in use, the reset elastic piece 39 is pressed by the abutting ring 42 when the fitting plug 31 is retracted, at this time, the reset elastic piece 39 is in an energy storage state, the pressing of the elastic fitting plug 31 is eliminated when the protective cover 21 is detached, the energy storage release of the reset elastic piece 39 causes the fitting plug 31 to pop out, and the reset performance of the fitting plug 31 is further improved by arranging the reset elastic piece 39.

The clamping mechanism comprises two fixed columns 22 correspondingly arranged on the inner bottom surface of the installation concave position 2, two positioning holes 23 matched with the fixed columns 22 are formed in the lower end surface of the protective cover 21, movable holes 24 are formed in the inner walls of the opposite sides of the two positioning holes 23, locking rods 25 are arranged in the movable holes 24 in a telescopic manner, and locking holes 26 matched with the locking rods 25 are formed in the opposite sides of the two fixed columns 22; the center department of visor 21 upper end has seted up shaft hole 27 and the rotation of shaft hole 27 is provided with the cooperation post 28, and each movable hole 24 all communicates with shaft hole 27, and the cooperation post 28 outer end extends to outside the shaft hole 27 and is connected with the piece 29 of gripping, and cooperation post 28 is located movable hole 24 and corresponds the department and be provided with two first accommodation holes 4, and cooperation post 28 outer peripheral face is located and is provided with two second accommodation holes 41 between two first accommodation holes 4, and the degree of depth of first accommodation hole 4 is less than the degree of depth of second accommodation hole 41.

When the lock is used, the two positioning holes 23 on the lower end surface of the protective cover 21 are aligned with the two fixed columns 22, the protective cover 21 is pushed into the mounting concave position 2, the protective cover 21 is pushed into the position corresponding to the two movable holes 24 until the upper end of the fixed column 22 abuts against the inner bottom wall of the positioning hole 23, the holding piece 29 is rotated and the matching column 28 is driven to rotate, two limiting grooves are correspondingly formed in the inner walls of the two movable holes 24, limiting blocks extending into the limiting grooves are respectively arranged at the two ends of the lock rod 25, a compression spring for promoting the lock rod 25 to be compressed towards the shaft hole 27 is respectively arranged between each limiting block and the side wall of the limiting groove, in an initial state, the two second accommodating holes 41 of the matching column 28 are respectively corresponding to the two movable holes 24, one ends of the two lock rods 25 are respectively positioned in the second accommodating holes 41, the other ends of the two lock rods 25 do not extend into the positioning holes 23 due to the fact that the depth of the second accommodating holes 41 is deeper, the positions of the two first accommodating holes 4 are correspondingly rotated to correspond to the positions of the two movable holes 24 when the matching column 28 is rotated, and the other ends of the lock rods 25 are correspondingly rotated, and the other ends of the two lock rods 25 extend into the positioning holes 26 are correspondingly positioned between the two lock holes 26 and the two lock holes 21 through the positions of the second accommodating holes 41.

The inner end surface of the protective cap 21 is provided with a receiving recess 43 adapted to the filler plug 3.

In use, by providing the accommodation recess 43 in the fitting of the filler neck 3, the filler neck 3 is prevented from blocking the installation of the protective cap 21.

Also, the terms pointed out by the present utility model are as follows: the directional or positional relationships indicated by the terms "front", "rear", "vertical", "horizontal", etc., are based on the directional or positional relationships shown in the drawings, are merely for convenience in describing the utility model and to simplify the description, and are not indicative or implying that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed to limit the scope of the utility model.

The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims

1. The utility model provides a self-lubricating linear slide which characterized in that: including casing (1), two end cover (10) of fixing at casing (1) both ends, be provided with ball return circuit (11) between end cover (10) and casing (1), be equipped with in end cover (10) with ball return circuit (11) conduction lubrication channel (12), install concave position (2) have been seted up to end cover (10) upper end, bottom surface center department has seted up through-hole (20) that switch on with lubrication channel (12) in installation concave position (2), oil filler plug (3) and oil filler plug (3) have been seted up in through-hole (20), oil filler plug (30) are provided with in oil filler plug (30) and make oil filler plug (30) close when contracting through elasticity cooperation plug (31), be provided with the visor in installation concave position (2), visor (21) with be provided with between installation concave position (2) visor (21) completely cover when installation concave position (2) bottom surface center department has been seted up with oil filler plug (3) has seted up oil filler hole (30), be provided with oil filler plug (30) in cooperation plug (31) and has made in cooperation plug (31) when the elasticity of cooperation plug (21) contracts and makes the visor (2).

2. The self-lubricating linear slide of claim 1, wherein: the oil filling hole (30) is characterized in that a plug (32) is arranged at the center of the inner bottom wall of the oil filling hole (30), a plurality of through grooves (33) are formed in the inner bottom wall of the oil filling hole (30) circumferentially by taking the plug (32) as an axis, and an oil passing hole (34) matched with the plug (32) is formed in the center of the matched plug (31).

3. The self-lubricating linear slide of claim 2, wherein: two guide grooves (35) are correspondingly formed in the inner peripheral surface of the oil filling hole (30), sliding rods (36) are respectively arranged in the guide grooves (35), two sliding blocks (37) which extend into the guide grooves (35) and are matched with the sliding rods (36) are formed in the inner end surface of the matched plug (31), and reset springs (38) are respectively sleeved between the lower end surface of the sliding blocks (37) and the side walls of the guide grooves (35) on the outer ring of the sliding rods (36).

4. The self-lubricating linear slide of claim 1, wherein: the oil filling plug is characterized in that a plurality of reset elastic pieces (39) are circumferentially arranged at the upper end of the oil filling plug (3) and positioned on the outer ring of the oil filling hole (30) at equal intervals, and an abutting ring (42) matched with the reset elastic pieces (39) is arranged on the peripheral surface of the upper end of the matched plug (31).

5. The self-lubricating linear slide of claim 1, wherein: the clamping mechanism comprises two fixing columns (22) which are correspondingly arranged on the inner bottom surface of the installation concave position (2), two positioning holes (23) matched with the fixing columns (22) are formed in the lower end surface of the protective cover (21), movable holes (24) are formed in the inner walls of opposite sides of the positioning holes (23), locking rods (25) are arranged in the movable holes (24) in a telescopic mode, and locking holes (26) matched with the locking rods (25) are formed in the opposite sides of the fixing columns (22).

6. The self-lubricating linear slide of claim 5, wherein: the utility model discloses a protection cover, including visor (21), shaft hole (27) have been seted up in visor (21) upper end center department and shaft hole (27) internal rotation is provided with cooperation post (28), each activity hole (24) all communicate with shaft hole (27), cooperation post (28) outer end extends to outside shaft hole (27) and is connected with grip piece (29), cooperation post (28) are located activity hole (24) and correspond department and be provided with two first accommodation hole (4), cooperation post (28) outer peripheral face is located and is provided with two second accommodation hole (41) between two first accommodation hole (4), the degree of depth of first accommodation hole (4) is less than the degree of depth of second accommodation hole (41).

7. The self-lubricating linear slide of claim 6, wherein: an accommodating concave position (43) matched with the oil filling plug (3) is formed on the inner end surface of the protective cover (21).