CN220566430U - Three-section rail frame - Google Patents
Three-section rail frame Download PDFInfo
- Publication number
- CN220566430U CN220566430U CN202322141550.2U CN202322141550U CN220566430U CN 220566430 U CN220566430 U CN 220566430U CN 202322141550 U CN202322141550 U CN 202322141550U CN 220566430 U CN220566430 U CN 220566430U
- Authority
- CN
- China
- Prior art keywords
- rail
- bending part
- ball groove
- section
- bending
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000005452 bending Methods 0.000 claims abstract description 75
- 239000007788 liquid Substances 0.000 claims abstract description 5
- 239000011324 bead Substances 0.000 claims description 12
- 238000005096 rolling process Methods 0.000 claims description 12
- 238000009713 electroplating Methods 0.000 abstract description 6
- 230000007246 mechanism Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Landscapes
- Bearings For Parts Moving Linearly (AREA)
Abstract
The utility model 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
Technical Field
The utility model 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 utility model 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 utility model 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. The head part further comprises a fifth bending part, one end of the fifth bending part is connected with the fourth bending part, the other end of the fifth bending part is folded into the hollow structure, and a liquid flowing space is reserved between the hollow structure and the four bending parts. The outer bead groove is internally provided with a bead strip for limiting the ball; and a ball retainer for limiting the balls is arranged in the inner ball groove. Ball socket wrap angles are formed on two sides of the lower ball groove, the upper ball groove, the inner ball groove and the outer ball groove respectively.
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 utility model 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:
1) The section modulus of the middle rail is enhanced, and the bearing capacity of the middle rail is improved;
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 utility model, and in order to make the technical means of the present utility model 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 utility model will be given with reference to the accompanying drawings. Specific embodiments of the present utility model 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 utility model and are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:
fig. 1 is a schematic structural view of a middle rail of the present utility model.
Fig. 2 is a schematic cross-sectional view of a mid-rail of the present utility model.
Fig. 3 is an enlarged schematic view of the head of the middle rail of the present utility model.
Fig. 4 is a schematic cross-sectional view of the slide rail of the present utility model (balls, beads, ball holders are not shown).
Fig. 5 is a schematic cross-sectional view of the slide rail of the present utility model (bead, ball holder not shown).
Fig. 6 is a schematic cross-sectional view (complete structure) of the slide rail of the present utility model.
Fig. 7 is an assembly schematic view of the sliding rail of the present utility model.
Fig. 8 is a schematic cross-sectional view of another embodiment of the mid-rail of the present utility model.
FIG. 9 is a schematic cross-sectional view of another embodiment of a slide rail of the present utility model
Detailed Description
The preferred embodiments of the present utility model will be described in detail below with reference to the attached drawings, so that the objects, features and advantages of the present utility model 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 utility model, but rather are merely illustrative of the true spirit of the utility model.
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 this 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 utility model 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 bending portion 301, the second bending portion 302, the third bending portion 303, and the fourth bending portion 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 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 utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
1. The utility model provides a three section rail framework, includes an interior rail (6), a well rail and an outer rail (7), outer rail (7) cover is established in on the well rail, well rail cover is established 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 (301), the second bending part (302), the third bending part (303) and the fourth bending part (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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322141550.2U CN220566430U (en) | 2023-08-10 | 2023-08-10 | Three-section rail frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322141550.2U CN220566430U (en) | 2023-08-10 | 2023-08-10 | Three-section rail frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220566430U true CN220566430U (en) | 2024-03-08 |
Family
ID=90093094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322141550.2U Active CN220566430U (en) | 2023-08-10 | 2023-08-10 | Three-section rail frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220566430U (en) |
-
2023
- 2023-08-10 CN CN202322141550.2U patent/CN220566430U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN220566430U (en) | Three-section rail frame | |
| CN220566431U (en) | Sliding rail frame | |
| CN116972073A (en) | Three-section rail frame | |
| CN117028411A (en) | Sliding rail frame | |
| CN201254929Y (en) | Conner connector | |
| CN215304215U (en) | Drawer guide rail structure | |
| CN214480426U (en) | Torque tube with pentagonal cross section and photovoltaic support | |
| CN204681239U (en) | Case frequency converter cabinet framework | |
| CN214317508U (en) | Sliding unit | |
| CN2732517Y (en) | Industrial caster wheel | |
| CN201759101U (en) | Drawer rail structure | |
| CN218374559U (en) | Assembling structure of steel structure frame and light steel keel wall | |
| CN201764244U (en) | Hollow column | |
| CN202799511U (en) | E-shaped section bar for control cabinet and welding frame | |
| CN202729069U (en) | C-shaped beam sectional material, double C-shaped buckled beam and storage rack | |
| CN212929509U (en) | Special-shaped pipe | |
| CN210624138U (en) | High-strength cold-formed steel | |
| CN216860811U (en) | Wear-resisting lightweight aluminum profile struction for automobile luggage rack | |
| CN206681586U (en) | A kind of aluminium alloy extrusions | |
| CN217435844U (en) | High-strength frame assembly capable of preventing frame side column from deforming | |
| CN220226610U (en) | Assembled installation design structure of wine rack protective glass | |
| CN203361879U (en) | Fan-shaped-section corner structure for sliding door | |
| CN212929513U (en) | Special pipe with high bearing capacity | |
| CN217354069U (en) | Bridge cut-off aluminium alloy that gives sound insulation is effectual | |
| CN213215859U (en) | Strengthen desktop support mechanical tubes |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |