CN219062227U

CN219062227U - Rolling guide rail mechanism

Info

Publication number: CN219062227U
Application number: CN202222985882.4U
Authority: CN
Inventors: 郑胜巨
Original assignee: Guangdong Nuojiang Health Technology Co ltd
Current assignee: Guangdong Nuojiang Health Technology Co ltd
Priority date: 2022-11-08
Filing date: 2022-11-08
Publication date: 2023-05-23
Anticipated expiration: 2032-11-08

Abstract

The utility model discloses a rolling guide rail mechanism, which comprises a fixed seat, a movable seat and a roller piece, wherein the movable seat can be arranged in a movable way relative to the fixed seat; compared with the prior art, the upper surface of the fixed seat is provided with more than two first groove bodies, the more than two first groove bodies are arranged at left and right intervals, the lower surface of the movable seat is provided with second groove bodies with the same number as the first groove bodies, and the first rolling balls are arranged between the first groove bodies and the second groove bodies; the first groove body and the second groove body are provided with more than two grooves which are arranged at left and right intervals, so that when the movable seat moves forwards and backwards relative to the fixed seat, the stability of the movable seat in the left and right horizontal directions can be supported by the first rolling balls in the more than two groove bodies, and the stability of the movable seat during movement is improved; meanwhile, the bearing capacity of the first groove body and the second groove body is further enhanced by increasing the number of the first groove body and the second groove body.

Description

Rolling guide rail mechanism

Technical Field

The utility model relates to the technical field of reciprocating motion components, in particular to a rolling type guide rail mechanism.

Background

During use of the product apparatus, it is sometimes necessary for the two members to frequently reciprocate relative to one another, for example, during use of the vibrating bed, the power system is required to drive the moving bed frame to frequently reciprocate relative to the fixed bed frame.

A modular rolling guide rail unit as disclosed in the prior application CN 213298602U, comprising a fixed seat, a movable seat movably disposed relative to the fixed seat, and a roller member rolling between the fixed seat and the movable seat; the fixed seat is provided with a first groove body, the movable seat is provided with a second groove body matched with the first groove body, the roller piece is accommodated in the groove body, and two ends of the roller piece are respectively accommodated in the first groove body and the second groove body.

Although the rolling guide rail mechanism can reduce the friction force between the fixed seat and the movable seat and delay the abrasion between the fixed seat and the movable seat, in the practical use process, the inventor finds that the fixed seat and the movable seat adopt a single-groove structure, when the movable seat horizontally displaces back and forth, the stability of the movable seat in the horizontal direction is difficult to control, that is to say, the movable seat easily shakes during displacement, so that the use reliability of the movable seat is limited.

Therefore, a new technical solution is needed to solve the above problems.

Disclosure of Invention

In view of the above, the present utility model aims at overcoming the drawbacks of the prior art, and its primary objective is to provide a rolling guide rail mechanism, which effectively solves the problem of poor reliability of the rolling guide rail unit in the prior art.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

a rolling guide rail mechanism comprises a fixed seat, a movable seat which can be arranged in a movable way relative to the fixed seat, and a roller piece which is arranged between the fixed seat and the movable seat; the upper surface of the fixed seat is provided with more than two first groove bodies which are arranged at left and right intervals; the lower surface of the movable seat is provided with second groove bodies, the number of which is equal to that of the first groove bodies, and one first groove body corresponds to one second groove body; the two sides of the fixed seat are provided with third groove bodies, the two sides of the movable seat are provided with fourth groove bodies, and one third groove body corresponds to one fourth groove body; the roller piece comprises a plurality of first rolling balls and a plurality of second rolling balls, the first rolling balls are arranged between the first groove body and the second groove body, and the first rolling balls are arranged at intervals along the extending directions of the first groove body and the second groove body; the second rolling balls are arranged between the third groove body and the fourth groove body, and the second rolling balls are arranged at intervals along the extending directions of the third groove body and the fourth groove body.

The beneficial effect that this application provided roll formula guide rail mechanism lies in: compared with the prior art, the upper surface of the fixed seat is provided with more than two first groove bodies, the more than two first groove bodies are arranged at left and right intervals, the lower surface of the movable seat is provided with second groove bodies with the same number as the first groove bodies, and the first rolling balls are arranged between the first groove bodies and the second groove bodies; the first groove body and the second groove body are provided with more than two grooves which are arranged at left and right intervals, so that when the movable seat moves forwards and backwards relative to the fixed seat, the stability of the movable seat in the left and right horizontal directions can be supported by the first rolling balls in the more than two groove bodies, and the stability of the movable seat during movement is improved; meanwhile, the bearing capacity of the first groove body and the second groove body is further enhanced by increasing the number of the first groove body and the second groove body.

Further, the first rolling ball and the second rolling ball are made of silica gel, and the diameter of the first rolling ball is larger than that of the second rolling ball.

Further, the number of the first groove bodies is two, the two first groove bodies are arranged at left and right intervals, a first convex part is arranged between the two first groove bodies, the other end of the first groove body, which is far away from the first convex part, is provided with a second convex part, and the top surface of the first convex part is flush with the top surface of the second convex part.

Further, a third convex part is arranged between the two second groove bodies, and the third convex part is arranged opposite to the first convex part.

Further, the fixing seat is provided with a plurality of first through holes, one end of each first through hole penetrates through the upper surface of each first convex part, and the other end of each first through hole penetrates through the lower surface of the fixing seat; the movable seat is provided with a plurality of second through holes, one end of each second through hole penetrates through the lower surface of the corresponding third convex part, and the other end of each second through hole penetrates through the upper surface of the movable seat.

Because first spin and second spin all adopt silica gel to make, consequently, the fixing base sets up first convex part and second convex part at first cell body, can increase the spacing area to first spin, and first spin can not lead to its gap extrusion between fixing base and the removal seat because of weight after bearing weight to the reliability after improving first spin bearing weight.

Further, the left side and the right side of the upper surface of the fixing seat are provided with first side walls, the top of each first side wall extends towards the center of the left and right directions of the fixing seat to form a first extension part, and the third groove body is arranged on the inner side surface between the first side wall and the first extension part; the bottoms of the left side surface and the right side surface of the movable seat are provided with second extension parts, and the fourth groove body is arranged on the second extension parts and the side surfaces of the movable seat; the second extension part of the movable seat is positioned in the area surrounded by the two first side walls.

Further, the end of the second extension portion extends toward the first side wall, and the end of the second extension portion partially overlaps the end of the first extension portion in the vertical direction.

The end part of the second extension part is partially overlapped with the end part of the first extension part in the vertical direction, so that the movable seat is not separated from the fixed seat when the movable seat is extracted to move upwards, and only the front-back displacement between the movable seat and the fixed seat is ensured.

Further, the fixing seat is provided with a plurality of first hollowed-out parts, and each first hollowed-out part penetrates through the front surface and the rear surface of the fixing seat; the movable seat is provided with a plurality of second hollowed-out parts, and each second hollowed-out part penetrates through the front surface and the rear surface of the movable seat.

Through a plurality of first fretwork portions and a plurality of second fretwork portions that set up, can alleviate the weight of fixing base and removal seat.

Further, the movable seat is provided with a first movable seat and a second movable seat which are overlapped up and down; the upper surface of the fixed seat is provided with a plurality of fifth groove bodies which are left and right spaced, and the bottom of the first movable seat is provided with sixth groove bodies which are in one-to-one correspondence with the fifth groove bodies in number; the upper surface of the first movable seat is provided with a plurality of seventh groove bodies which are left and right spaced, and the lower surface of the second movable seat is provided with eighth groove bodies which are equal to the seventh groove bodies in number and correspond to the seventh groove bodies one by one; the first rolling balls are respectively arranged between the fifth groove body and the sixth groove body and between the seventh groove body and the eighth groove body.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required for the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic perspective view of a rolling guide rail mechanism according to an embodiment of the present disclosure;

FIG. 2 is an exploded view of the rolling track mechanism shown in FIG. 1;

FIG. 3 is a cross-sectional view of the stationary and mobile seats shown in FIG. 1;

FIG. 4 is a cross-sectional view of the rolling track mechanism shown in FIG. 1;

fig. 5 is a schematic diagram of a structure in which a plurality of moving seats of a rolling guide mechanism according to a second embodiment of the present utility model are stacked.

Wherein, each reference sign in the figure:

10. a fixing seat; 11. a first tank body; 12. a third tank; 13. a first convex portion; 14. a second convex portion; 15. a first sidewall; 151. a first extension; 16. a first through hole; 17. a first hollowed-out part; 18. a first positioning hole; 19. a fifth tank body;

20. a movable seat; 201. a first movable seat; 202. a second movable seat; 21. a second tank body; 22. a fourth tank body; 23. a third convex portion; 24. a second extension; 25. a second through hole; 26. a second hollow part; 27. a second positioning hole; 28. a sixth tank; 29. a seventh tank; 210. an eighth tank;

30. a roller member; 31. a first ball; 32. and a second ball.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved by the present application more clear, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present application and simplify description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the present application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent.

Referring to fig. 1 to 4, a rolling guide rail mechanism according to a first embodiment of the present application will be described. The rolling guide rail mechanism comprises a fixed seat 10, a movable seat 20 and a roller piece 30.

The movable seat 20 can be movably arranged relative to the fixed seat 10, and the roller member 30 is arranged between the fixed seat 10 and the movable seat 20 to bear the weight of the movable seat 20, so that the movable seat 20 can be displaced back and forth relative to the fixed seat 10, and noise and friction force generated when the movable seat 20 slides relative to the fixed seat 10 are reduced. In the embodiment of the present application, the upper surface of the fixing seat 10 is provided with more than two first groove bodies 11, and the more than two first groove bodies 11 are arranged at left and right intervals; the lower surface of the movable seat 20 is provided with second groove bodies 21 the number of which is equal to that of the first groove bodies 11, and one first groove body 11 corresponds to one second groove body 21; the two sides of the fixed seat 10 are provided with third groove bodies 12, the two sides of the movable seat 20 are provided with fourth groove bodies 22, and one third groove body 12 corresponds to one fourth groove body 22; the roller member 30 includes a plurality of first balls 31 and a plurality of second balls 32, the first balls 31 are disposed between the first groove 11 and the second groove 21, and the first balls 31 are disposed at intervals along the extending direction of the first groove 11 and the third groove 12; the second rolling balls 32 are disposed between the third groove 12 and the fourth groove 22, and the second rolling balls 32 are disposed at intervals along the extending direction of the third groove 12 and the fourth groove 22.

Specifically, by providing two or more first grooves 11 on the upper surface of the fixed seat 10, and arranging the two or more first grooves 11 at right and left intervals, the lower surface of the movable seat 20 is provided with second grooves 21 equal to the first grooves 11 in number, and the first rolling balls 31 are mounted between the first grooves 11 and the second grooves 21; since the first groove 11 and the second groove 21 have more than two grooves which are arranged at left and right intervals, when the movable seat 20 moves back and forth relative to the fixed seat 10, the stability of the movable seat 20 in the left and right horizontal direction can be supported by the first rolling balls 31 in the more than two grooves, so that the stability of the movable seat 20 during movement is improved; at the same time, the bearing capacity of the first tank 11 and the second tank 21 is further enhanced by increasing the number of the tanks.

In this embodiment, the first cell body 11 quantity is two, and interval sets up about two first cell bodies 11, is provided with first convex part 13 between two first cell bodies 11, and the other end that first cell body 11 kept away from first convex part 13 is provided with second convex part 14, and the top surface of first convex part 13 and the top surface parallel and level of second convex part 14. Of course, the number of the first grooves 11 may be three, four, five, etc. as needed for practical production. The third convex part 23 is arranged between the two second groove bodies 21, the third convex part 23 is opposite to the first convex part 13, the first convex part 13 is opposite to the third convex part 23, and when the weight born by the first rolling ball 31 exceeds the bearing range, the third convex part 23 can be abutted against the first convex part 13, so that the first rolling ball 31 is prevented from being excessively extruded to shorten the service life of the first rolling ball.

More specifically, the fixing base 10 is provided with a plurality of first through holes 16, one end of the first through holes 16 penetrates through the upper surface of the first protruding portion 13, and the other end of the first through holes 16 penetrates through the lower surface of the fixing base 10; the movable seat 20 is provided with a plurality of second through holes 25, one end of each second through hole 25 penetrates through the lower surface of the corresponding third convex part 23, and the other end of each second through hole 25 penetrates through the upper surface of the movable seat 20; since the first protruding portion 13 and the third protruding portion 23 are provided, the strength of the fixing base 10 at the position of the first protruding portion 13 and the strength of the moving base 20 at the position of the third protruding portion 23 are highest, and the fixing base 10 and the moving base 20 can be deformed while the fixing base is firmly connected by fastening the fixing base and the moving base as connecting pieces such as a fixing frame and a moving frame. In the specific connection, the screws can be directly penetrated through the first through holes 16 and the second through holes 25 to be screwed on the connecting piece.

On the left and right sides of the upper surface of the fixing seat 10 are provided with first side walls 15, the top of the first side walls 15 extends towards the center of the left and right directions of the fixing seat 10 to form a first extension part 151, and the third groove body 12 is arranged on the inner side surface between the first side walls 15 and the first extension part 151; the bottoms of the left side surface and the right side surface of the movable seat 20 are provided with second extension parts 24, and the fourth groove body 22 is arranged on the side surfaces of the second extension parts 24 and the movable seat 20; the second extension 24 of the mobile seat 20 is located in the area enclosed by the two first side walls 15. The end of the second extension 24 extends toward the first side wall 15, and the end of the second extension 24 partially overlaps the end of the first extension 151 in the vertical direction.

More specifically, the first ball 31 and the second ball 32 are made of silica gel, and the diameter of the first ball 31 is larger than that of the second ball 32. Therefore, the first ball 31 is used for bearing the weight of the movable seat 20 and enabling the movable seat 20 to move back and forth relative to the fixed seat 10; the second ball 32 is used for limiting the displacement of the movable base 20 relative to the fixed base 10 in the up-down direction, so as to ensure that the movable base 20 cannot be separated from the fixed base 10 upwards. Meanwhile, the fixing seat 10 is provided with the first positioning holes 18 at the front and rear end parts of the first groove body 11, the movable seat 20 is provided with the second positioning holes 27 at the front and rear end parts of the fourth groove body 22, positioning columns (not shown in the figure) are inserted into the first positioning holes 18 and the second positioning holes 27, and the positions of the first rolling ball 31 and the second rolling ball 32 can be limited, so that the first rolling ball 31 and the second rolling ball 32 can not be separated from the corresponding groove bodies when the movable seat 20 is displaced relative to the fixing seat 10, and the assembly is more convenient compared with a structure that a baffle is adopted to limit the positions of the rolling balls in transmission.

On the connection, the fixing base 10 is provided with a plurality of first hollowed-out parts 17, and each first hollowed-out part 17 penetrates through the front surface and the rear surface of the fixing base 10; the movable seat 20 is provided with a plurality of second hollowed-out parts 26, and each second hollowed-out part 26 penetrates through the front surface and the rear surface of the movable seat 20.

Referring to fig. 5, a rolling guide mechanism according to a second embodiment of the present application will be described. The structure of the second embodiment is substantially the same as that of the first embodiment, except that:

the movable base has more than two overlapped upper and lower, in this embodiment, the movable base 20 has two overlapped upper and lower, which is defined as a first movable base 201 and a second movable base 202; the upper surface of the fixed seat 10 is provided with a plurality of fifth grooves 19 which are spaced left and right, the bottom of the first movable seat 201 is provided with sixth grooves 28 which are equal to the fifth grooves 19 in number and correspond one by one, the upper surface of the first movable seat 201 is provided with a plurality of seventh grooves 29 which are spaced left and right, the lower surface of the second movable seat 202 is provided with eighth grooves 210 which are equal to the seventh grooves 29 in number and correspond one by one, and a plurality of first rolling balls 31 are respectively arranged between the fifth grooves 19 and the sixth grooves 28 and between the seventh grooves 29 and the eighth grooves 210. In this structure, the first ball 31 may be provided at a left-right interval to increase the weight, or may be provided at a vertical interval in a plurality of layers to increase the weight. The number of layers of the first ball 31 may also be increased by increasing the number of moving seats.

It should be noted that, the groove structure for accommodating the second ball is disposed between the first moving seat 201 and the second moving seat 202 as required, so that the up-down position between the first moving seat 201 and the second moving seat 202 can be limited, that is, the up-down movement between the first moving seat 201 and the second moving seat 202 can be limited as in the structure of the first embodiment, so as to ensure that the separation between the first moving seat 201 and the second moving seat 202 occurs due to the up-down movement.

The foregoing description of the preferred embodiments of the present utility model has been provided for the purpose of illustrating the general principles of the present utility model and is not to be construed as limiting the scope of the utility model in any way. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model, and other embodiments of the present utility model as will occur to those skilled in the art without the exercise of inventive faculty, are intended to be included within the scope of the present utility model.

Claims

1. A rolling guide rail mechanism comprises a fixed seat (10), a movable seat (20) which can be arranged in a movable way relative to the fixed seat (10), and a roller piece (30) which is arranged between the fixed seat (10) and the movable seat (20); the method is characterized in that:

the upper surface of the fixing seat (10) is provided with more than two first groove bodies (11), and the more than two first groove bodies (11) are arranged at left and right intervals; the lower surface of the movable seat (20) is provided with second groove bodies (21) the number of which is equal to that of the first groove bodies (11), and one first groove body (11) corresponds to one second groove body (21);

the two sides of the fixed seat (10) are provided with third groove bodies (12), the two sides of the movable seat (20) are provided with fourth groove bodies (22), and one third groove body (12) corresponds to one fourth groove body (22);

the roller piece (30) comprises a plurality of first rolling balls (31) and a plurality of second rolling balls (32), the first rolling balls (31) are arranged between the first groove body (11) and the second groove body (21), and the first rolling balls (31) are arranged at intervals along the extending directions of the first groove body (11) and the second groove body (21); the second rolling balls (32) are arranged between the third groove body (12) and the fourth groove body (22), and the second rolling balls (32) are arranged at intervals along the extending direction of the third groove body (12) and the fourth groove body (22).

2. The rolling guide rail mechanism of claim 1, wherein: the number of the first groove bodies (11) is two, the two first groove bodies (11) are arranged at left and right intervals, a first convex part (13) is arranged between the two first groove bodies (11), the other end of the first groove body (11) away from the first convex part (13) is provided with a second convex part (14), and the top surface of the first convex part (13) is flush with the top surface of the second convex part (14).

3. The rolling guide rail mechanism of claim 2, wherein: a third convex part (23) is arranged between the two second groove bodies (21), and the third convex part (23) is arranged opposite to the first convex part (13).

4. A rolling guide mechanism according to claim 3, wherein: the fixing seat (10) is provided with a plurality of first through holes (16), one ends of the first through holes (16) penetrate through the upper surface of the first convex parts (13), and the other ends of the first through holes (16) penetrate through the lower surface of the fixing seat (10);

the movable seat (20) is provided with a plurality of second through holes (25), one ends of the second through holes (25) penetrate through the lower surface of the third convex part (23), and the other ends of the second through holes (25) penetrate through the upper surface of the movable seat (20).

5. The rolling guide rail mechanism of claim 1, wherein: the left side and the right side of the upper surface of the fixed seat (10) are provided with first side walls (15), the top of each first side wall (15) extends towards the center of the left and right directions of the fixed seat (10) to form a first extension part (151), and the third groove body (12) is arranged on the inner side surface between each first side wall (15) and each first extension part (151);

the bottoms of the left side surface and the right side surface of the movable seat (20) are provided with second extension parts (24), and the fourth groove body (22) is arranged on the side surfaces of the second extension parts (24) and the movable seat (20);

the second extension (24) of the mobile seat (20) is located in the area enclosed by the two first side walls (15).

6. The rolling guide rail mechanism of claim 5, wherein: the end of the second extension part (24) extends to the first side wall (15), and the end of the second extension part (24) is partially overlapped with the end of the first extension part (151) in the vertical direction.

7. The rolling guide rail mechanism of claim 1, wherein: the first rolling ball (31) and the second rolling ball (32) are made of silica gel, and the diameter of the first rolling ball (31) is larger than that of the second rolling ball (32).

8. The rolling guide rail mechanism of claim 1, wherein: the fixing seat (10) is provided with a plurality of first hollowed-out parts (17), and each first hollowed-out part (17) penetrates through the front surface and the rear surface of the fixing seat (10);

the movable seat (20) is provided with a plurality of second hollowed-out parts (26), and each second hollowed-out part (26) penetrates through the front surface and the rear surface of the movable seat (20).

9. The rolling guide rail mechanism of claim 1, wherein: the movable seat is provided with a first movable seat (201) and a second movable seat (202) which are overlapped up and down;

the upper surface of the fixed seat (10) is provided with a plurality of fifth groove bodies (19) which are left and right spaced, and the bottom of the first movable seat (201) is provided with sixth groove bodies (28) which are equal to the fifth groove bodies (19) in number and correspond to each other one by one;

the upper surface of the first movable seat (201) is provided with a plurality of seventh groove bodies (29) which are left and right spaced, and the lower surface of the second movable seat (202) is provided with eighth groove bodies (210) which are equal to the seventh groove bodies (29) in number and correspond to each other one by one;

the first rolling balls (31) are respectively arranged between the fifth groove body (19) and the sixth groove body (28) and between the seventh groove body (29) and the eighth groove body (210).