CN116972073A

CN116972073A - Three-section rail frame

Info

Publication number: CN116972073A
Application number: CN202311002270.1A
Authority: CN
Inventors: 于其; 薛黎凯; 王彦民; 张继; 邵伟; 大卫.哈希米; 恩里克.华雷斯
Original assignee: Accuride International Precision Industrial Suzhou Co ltd
Current assignee: Accuride International Precision Industrial Suzhou Co ltd
Priority date: 2023-08-10
Filing date: 2023-08-10
Publication date: 2023-10-31

Abstract

The application discloses a three-section rail frame body, which comprises an inner rail, a middle rail and an outer rail, wherein the outer rail is sleeved on the middle rail, and the middle rail is sleeved on the inner rail; the middle rail comprises a rail body and heads positioned at two ends of the rail body, the heads sequentially comprise a first bending part, a second bending part, a third bending part and a fourth bending part, and the rail body is connected with the first bending part; the first bending part, the second bending part, the third bending part and the fourth bending part are connected end to form a hollow structure. The head of the middle rail is provided with the hollow structure, so that the section modulus of the middle rail is enhanced, and the bearing capacity of the middle rail is improved; in the middle rail electroplating process, the outflow of electroplating residual liquid is facilitated, and the electroplating yield is improved; the rail body of the middle rail is arranged to be an arch bridge structure, so that the section modulus of the middle rail is enhanced, and the bearing capacity of the middle rail is improved; the space for installing the functional mechanism is increased.

Description

Three-section rail frame

Technical Field

The application belongs to the field of slide rails, and particularly relates to a three-section rail frame with a special cross-section structure.

Background

With the continuous development of the markets of IT industry, mechanical automation and the like, the requirements of customers on slide rail products are higher and higher, the requirements on the slide rail size are smaller and smaller, the requirements on bearing are higher and higher, and the utilization rate of the customer IT cabinet is continuously improved in a limited space. The sliding rail can be divided into two types from the application field, one type is the civil industry field, the performance requirement on the sliding rail is not high, and the user experience is focused, such as furniture and daily hardware; the other is an industrial slide rail, which has larger bearing, higher performance and complex function and is mainly used for industrial applications such as IT cabinets, industrial automation, refitted vehicles, caravans, fire-fighting vehicles and the like.

How to improve the bearing capacity of the sliding rail for industrial use, increase the functions of the sliding rail, improve the performance of the sliding rail, reduce the production cost of the sliding rail and improve the yield of products produced and manufactured by the sliding rail is always common in the field of industry.

Disclosure of Invention

The application aims to provide a three-section rail frame body, which has higher section modulus, can effectively improve the bearing capacity, reduces the related production process difficulty and improves the product yield.

In order to solve the technical problems and achieve the technical effects, the application is realized by the following technical scheme:

the three-section rail frame comprises an inner rail, a middle rail and an outer rail, wherein the outer rail is sleeved on the middle rail, and the middle rail is sleeved on the inner rail; the middle rail comprises a rail body and heads positioned at two ends of the rail body, the heads sequentially comprise a first bending part, a second bending part, a third bending part and a fourth bending part, and the rail body is connected with the first bending part; the first bending part, the second bending part, the third bending part and the fourth bending part are connected end to form a hollow structure; a lower ball groove is formed in the first bending part in a rolling way, and an upper ball groove is formed in the third bending part in a rolling way; an outer ball groove is formed in a rolling mode after the end part of the outer rail is bent, and the outer ball groove and the upper ball groove are matched with each other to form an outer ball groove; an inner ball groove is formed in a rolling mode after the end part of the inner rail is bent, and the inner ball groove and the lower ball groove are matched with each other to form an inner ball groove; the outer bead groove and the inner bead groove are respectively provided with a plurality of balls.

Further, the cross sections of the first bending part and the third bending part are arc-shaped section structures, the cross sections of the second bending part and the fourth bending part are straight-line section structures, and the cross sections of the hollow structures are square hole structures formed by the arc-shaped section structures and the straight-line section structures.

Further, the rail body comprises a middle section and connecting sections positioned at two ends of the middle section, and the connecting sections are connected with the first bending parts; the joint of the middle section and the connecting section is a bending structure, and the sections of the middle section and the connecting sections at the two ends are arch bridge structures

Compared with the prior art, the application has the beneficial effects that:

1. the head of the middle rail is provided with a hollow structure, and has the following three advantages:

1) The section modulus of the middle rail is enhanced, and the bearing capacity of the middle rail is improved;

2) In the middle rail electroplating process, the outflow of electroplating residual liquid is facilitated, and the electroplating yield is improved;

3) The technology is favorable for forming the grooves of the upper ball and the lower ball.

2. The rail body of the middle rail forms an arch bridge structure through the middle section and the connecting sections at the two ends, and has the following two advantages:

2) After the assembly with the outer rail, the installation of functional mechanisms such as a sequential functional mechanism, a locking functional mechanism and the like is facilitated due to the arched space.

The foregoing description is only an overview of the technical solutions of the present application, and in order to make the technical means of the present application more clearly understood, it can be implemented according to the content of the specification, and the following detailed description of the preferred embodiments of the present application will be given with reference to the accompanying drawings. Specific embodiments of the present application are given in detail by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute a limitation on the application. In the drawings:

fig. 1 is a schematic structural view of a middle rail of the present application.

Fig. 2 is a schematic cross-sectional view of a mid-rail of the present application.

Fig. 3 is an enlarged schematic view of the head of the middle rail of the present application.

Fig. 4 is a schematic cross-sectional view of the slide rail of the present application (balls, beads, ball holders are not shown).

Fig. 5 is a schematic cross-sectional view of the slide rail of the present application (bead, ball holder not shown).

Fig. 6 is a schematic cross-sectional view (complete structure) of the slide rail of the present application.

Fig. 7 is an assembly schematic view of the sliding rail of the present application.

Fig. 8 is a schematic cross-sectional view of another embodiment of the mid-rail of the present application.

FIG. 9 is a schematic cross-sectional view of another embodiment of a slide rail of the present application

Detailed Description

The preferred embodiments of the present application will be described in detail below with reference to the attached drawings, so that the objects, features and advantages of the present application will be more clearly understood. It should be understood that the embodiments shown in the drawings are not intended to limit the scope of the application, but rather are merely illustrative of the true spirit of the application.

In the following description, for the purposes of explanation of various disclosed embodiments, certain specific details are set forth in order to provide a thorough understanding of the various disclosed embodiments. One skilled in the relevant art will recognize, however, that an embodiment may be practiced without one or more of the specific details. In other instances, well-known devices, structures, and techniques associated with the present application may not be shown or described in detail to avoid unnecessarily obscuring the description of the embodiments.

Throughout the specification and claims, unless the context requires otherwise, the word "comprise" and variations such as "comprises" and "comprising" will be understood to be open-ended, meaning of inclusion, i.e. to be interpreted to mean "including, but not limited to.

Reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment. Thus, appearances of the phrases "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

As used in this specification and the appended claims, the singular forms "a," "an," and "the" include plural referents unless the context clearly dictates otherwise. It should be noted that the term "or" is generally employed in its sense including "and/or" unless the context clearly dictates otherwise.

In addition, the technical features of the different embodiments of the present application described below may be combined with each other as long as they do not collide with each other.

Example 1:

referring to fig. 1-7, the three-section frame provided in this embodiment includes an inner rail 6, a middle rail and an outer rail 8, wherein the outer rail 7 is sleeved on the middle rail, and the middle rail is sleeved on the inner rail 6; the middle rail comprises a rail body and head parts 3 positioned at two ends of the rail body, wherein the head parts 3 sequentially comprise a first bending part 301, a second bending part 302, a third bending part 303 and a fourth bending part 304, and the rail body is connected with the first bending part 301; the first, second, third and fourth bending portions 301, 302, 303, 304 are joined end to form a hollow structure 305; a lower ball groove 4 is formed on the first bending part 301 in a rolling way, and an upper ball groove 5 is formed on the third bending part 303 in a rolling way; an outer ball groove 701 is formed in a rolling way after the end part of the outer rail 7 is bent, and the outer ball groove 701 and the upper ball groove 5 are mutually matched to form an outer ball groove 801; an inner ball groove 601 is formed in a rolling manner after the end part of the inner rail 6 is bent, and the inner ball groove 601 and the lower ball groove 4 are matched with each other to form an inner ball groove 802; the outer ball groove 801 and the inner ball groove 802 are respectively provided with a plurality of balls 8.

Preferably, as shown in fig. 3, the cross sections of the first bending portion 301 and the third bending portion 303 are arc-shaped segment structures, the cross sections of the second bending portion 302 and the fourth bending portion 304 are straight-line segment structures, and the cross section of the hollow structure 305 is a square hole structure formed by the arc-shaped segment structures and the straight-line segment structures.

Further, as shown in fig. 2, the rail body includes a middle section 1 and connection sections 2 located at both ends of the middle section 1, and the connection sections 2 are connected to the first bending portion 301. The joint of the middle section 1 and the connecting section 2 is a bending structure 102, and the sections of the middle section 1 and the connecting sections 2 at the two ends are arch bridge structures.

Preferably, as shown in fig. 6, a bead 11 for limiting the balls 8 is disposed in the outer bead groove 801; a ball retainer 12 for limiting the balls 8 is provided in the inner ball groove 802.

Further, ball socket wrap angles are formed on two sides of the lower ball groove 4, the upper ball groove 5, the inner ball groove 601 and the outer ball groove 701, respectively.

Example 2:

referring to fig. 8 and 9, on the basis of embodiment 1, the head 3 further includes a fifth bending portion 306, one end of the fifth bending portion 306 is connected to the fourth bending portion 304, the other end of the fifth bending portion is folded into the hollow structure 305, and a liquid flow space is left between the hollow structure 305 and the four bending portions 304.

The above description is only of the preferred embodiments of the present application and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. The utility model provides a three section rail framework, includes an interior rail (6), a well rail and an outer rail (8), outer rail (7) cover is established in on the well rail, well rail cover is established in on interior rail (6), its characterized in that:

the middle rail comprises a rail body and head parts (3) positioned at two ends of the rail body, wherein the head parts (3) sequentially comprise a first bending part (301), a second bending part (302), a third bending part (303) and a fourth bending part (304), and the rail body is connected with the first bending part (301);

the first bending part, the second bending part, the third bending part and the fourth bending part (301, 302, 303, 304) are connected end to form a hollow structure (305);

a lower ball groove (4) is formed on the first bending part (301) in a rolling way, and an upper ball groove (5) is formed on the third bending part (303) in a rolling way;

an outer ball groove (701) is formed in a rolling mode after the end portion of the outer rail (7) is bent, and the outer ball groove (701) and the upper ball groove (5) are matched with each other to form an outer ball groove (801);

an inner ball groove (601) is formed in a rolling mode after the end portion of the inner rail (6) is bent, and the inner ball groove (601) and the lower ball groove (4) are matched with each other to form an inner ball groove (802);

the outer bead groove (801) and the inner bead groove (802) are respectively provided with a plurality of balls (8).

2. The three-section rail housing of claim 1, wherein: the sections of the first bending part (301) and the third bending part (303) are arc-shaped section structures, the sections of the second bending part (302) and the fourth bending part (304) are straight-line section structures, and the sections of the hollow structures (305) are square hole structures formed by the arc-shaped section structures and the straight-line section structures.

3. The three-section rail housing of claim 1, wherein: the head (3) further comprises a fifth bending part (306), one end of the fifth bending part (306) is connected with the fourth bending part (304), the other end of the fifth bending part is folded into the hollow structure (305), and a liquid flowing space is reserved between the hollow structure (305) and the four bending parts (304).

4. The three-section rail housing of claim 1, wherein: the rail body comprises a middle section (1) and connecting sections (2) positioned at two ends of the middle section (1), and the connecting sections (2) are connected with the first bending parts (301); the joint of the middle section (1) and the connecting section (2) is a bending structure (102), and the cross sections of the middle section (1) and the connecting sections (2) at the two ends are arch bridge structures.

5. The three-section rail housing of claim 1, wherein: a bead strip (11) for limiting the ball (8) is arranged in the outer bead groove (801); a ball retainer (12) for limiting the balls (8) is arranged in the inner ball groove (802).

6. The three-section rail frame of any one of claims 1-5, wherein: ball socket wrap angles are formed on two sides of the lower ball groove (4), the upper ball groove (5), the inner ball groove (601) and the outer ball groove (701) respectively.