Cabinet slide rail with locking mechanism

Abstract

The utility model discloses a cabinet slide rail with a locking mechanism, which comprises a slide rail back frame and an outer slide rail which are fixedly connected with the inner wall of a cabinet, a middle slide rail is arranged on the outer slide rail, an inner slide rail is arranged on the middle slide rail, the locking mechanism is arranged at the tail end of the outer slide rail and comprises a limiting block, a locking groove is formed in the tail end of the middle slide rail, and the limiting block is arranged in the locking groove. And an extrusion block is arranged on the locking groove. According to the cabinet sliding rail with the locking mechanism, by arranging the locking mechanism, after the outer sliding rail and the inner wall of a cabinet are installed, when the inner sliding rail is pushed to be unfolded or closed, the inner sliding rail drives the middle sliding rail to slide on the front face of the outer sliding rail, and then a limiting block on the outer sliding rail enters a locking groove through an extrusion block; the friction pieces on the limiting blocks make contact with the inner walls of the locking grooves, friction force is increased, so that when the inner sliding rail and the middle sliding rail are unfolded, certain force needs to be applied, and the problems that due to vibration, equipment slides accidentally along the sliding rails, a connecting line is pulled, an interface is loosened or the line is damaged are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to server slide rail technical field, especially cabinet slide rail with locking mechanism. BACKGROUND

[0002] The server is the important component part in electronic equipment, is the device of providing computing service. Since server needs response service request and carries out processing, therefore, server has the ability of bearing service and guaranteeing service. According to the service type of server, it is divided into file server, database server, application program server, WEB server etc., and a large number of IT equipment will be placed in the cabinet of data center. These data centers contain various types of servers, storage, switches and a large number of cabinets and other infrastructure. Each kind of IT equipment is composed of various hardware boards, such as computing module, storage module, case, fan module and the like. The whole cabinet server is a kind of integrated installation comprehensive product including cabinet, server node, power supply equipment, signal interaction equipment, connecting cable and the like.

[0003] The current server cabinet slide rail usually does not have locking mechanism, when the equipment is in working state, it may be caused by slight vibration (for example, the ground vibration caused by the operation of other nearby equipment, personnel walking, etc.) to cause the equipment to slide along the slide rail accidentally, and such accidental sliding may cause the connection line of the equipment to be pulled, resulting in interface loosening and line damage. When the cabinet door is opened or disturbed by external force, the equipment may slide out of the cabinet and fall, which may cause serious personal injury to nearby operators for heavy equipment such as large servers, UPS (uninterruptible power supply) equipment, etc., and there is a certain safety hazard. UTILITY MODEL CONTENT

[0004] In view of the above problems existing in the prior art, the utility model provides a cabinet slide rail with locking mechanism, which has the function of locking by interference fit, and realizes the technical effect that the slide rail does not slide accidentally when it is not expanded.

[0005] To solve the above technical problems and realize the above technical effects, the utility model realizes the following technical scheme:

[0006] The utility model discloses a cabinet slide rail with locking mechanism, which comprises a slide rail back frame fixedly connected with the inner wall of a cabinet and an outer slide rail, a middle slide rail is slidably arranged on the front surface of the outer slide rail, an inner slide rail is slidably arranged on the front surface of the middle slide rail, and a locking mechanism is arranged at the tail end of the front surface of the outer slide rail to lock the middle slide rail.

[0007] The locking mechanism comprises a limiting block fixedly installed at the front end of the outer slide rail, and the tail end of the middle slide rail is provided with a locking groove matched with the limiting block.

[0008] Further, the surface of the limiting block is provided with a friction element, the friction element is made of an elastic body; the friction element has a normal state and an extrusion state; when the friction element is in the normal state, the diameter of the friction element is the same as the width of the inner cavity of the locking groove; when the friction element is in the extrusion state, the friction element is in interference fit between the two extrusion blocks.

[0009] Further, the two sides of the middle slide rail are provided with guide grooves capable of sliding on the inner wall of the outer slide rail, and the inner wall of the outer slide rail is provided with guide strips and rolling bodies matched with the guide grooves.

[0010] Further, the height of the limiting block is greater than the thickness of the middle slide rail.

[0011] Further, the length of the middle slide rail is less than the length of the outer slide rail.

[0012] Further, the two sides of the inner slide rail are provided with sliding strips, and the front surface of the middle slide rail is provided with sliding grooves matched with the sliding strips.

[0013] Further, the surface of the inner slide rail is provided with a connecting hole, and the inner slide rail is connected with the side surface of the server case.

[0014] The beneficial technical effects of the utility model are as follows: through the locking mechanism, when the outer slide rail is installed on the inner wall of the cabinet, the staff installs the server equipment (such as storage equipment or network equipment) on the inner slide rail, and when the inner slide rail is expanded or closed, the inner slide rail drives the middle slide rail to slide on the front surface of the outer slide rail, then the limiting block on the outer slide rail enters the inside of the locking groove through the extrusion block, the friction element on the limiting block contacts the inner wall of the locking groove, the friction force is increased, so that when the inner slide rail and the middle slide rail are expanded, a certain force needs to be applied, the problem that the equipment is accidentally slid along the slide rail due to vibration, the connection line is pulled, the interface is loose, and the line is damaged is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 is the slide rail structure three-dimensional schematic view of the utility model after removing the inner slide rail;

[0016] Fig. 2 is the front view schematic view of the slide rail structure of the utility model after removing the inner slide rail;

[0017] Fig. 3 is the structure side view schematic view of the limiting block and the guide groove.

[0018] Corresponding component names represented by numbers and letters in the figure:

[0019] 1, outer slide rail; 2, middle slide rail; 3, extrusion block; 4, guide groove; 5, limiting block; 6, friction piece; 7, locking groove; 8, inner slide rail; 9, mounting hole; 10, sliding bar; 11, sliding groove. DETAILED DESCRIPTION

[0020] In order to more clearly understand the technical means of the utility model, and can be implemented according to the content of the specification, the specific embodiments of the utility model are further described in detail below, the following examples are used to illustrate the utility model, but not to limit the scope of the utility model.

[0021] Referring to the accompanying Figs. 1-3 As shown in the figure, a cabinet slide rail with locking mechanism, including the slide rail backrest and outer slide rail 1 with cabinet inner wall fixed connection, the front of outer slide rail 1 is slidably provided with middle slide rail 2, the surface of inner slide rail 8 is provided with connecting hole, and the inner slide rail 8 is connected with the side of server case, the inside of outer slide rail 1 is provided with mounting hole 9, and the outer slide rail 1 is installed in the cabinet through bolt and mounting hole 9, then the server equipment is fixed on the connecting hole of inner slide rail 8 through bolt.

[0022] The tail end of the front of outer slide rail 1 is provided with locking mechanism capable of locking middle slide rail 2; the locking mechanism includes limiting block 5 fixedly installed on the tail end of the front of outer slide rail 1, the limiting block 5 is designed in cylindrical shape, the height of limiting block 5 is greater than the thickness of middle slide rail 2, and the tail end of middle slide rail 2 is provided with locking groove 7 matched with limiting block 5, the outer side of the inner wall of locking groove 7 is provided with extrusion block 3 capable of exerting certain resistance on limiting block 5, extrusion block 3 can avoid middle slide rail 2 to slide and expand on the surface of limiting block 5 through locking groove 7, the surface of limiting block 5 is provided with friction piece 6, and the material of friction piece 6 is elastomer; friction piece 6 has normal state and extrusion state, when friction piece 6 is in normal state, the diameter of friction piece 6 is same with the width of locking groove 7, when friction piece 6 is in extrusion state, friction piece 6 is interference fit between two extrusion blocks 3.

[0023] By setting locking mechanism, when outer slide rail 1 is installed with the inner wall of cabinet, after the staff installs server equipment such as storage equipment or network equipment to inner slide rail 8, when pushing inner slide rail 8 to expand or close, inner slide rail 8 drives middle slide rail 2 to slide on the front of outer slide rail 1, then limiting block 5 on outer slide rail 1 enters the inside of locking groove 7 through extrusion block 3, friction piece 6 on limiting block 5 contacts with the inner wall of locking groove 7, increases friction, so that inner slide rail 8 and middle slide rail 2 need to exert certain force when expanding, which can effectively prevent the slide rail from being affected by vibration, causing middle slide rail 2 and inner slide rail 8 to automatically expand.

[0024] Through the elasticity of the friction piece 6, the friction piece 6 is extruded by the extrusion block 3 when passing through the extrusion block 3, so that a certain force needs to be applied by the worker to pass the friction piece 6 through the extrusion block 3, so as to avoid that the friction piece 6 is self-passed through the extrusion block 3 due to large shaking amplitude, and is dropped. At the same time, when installing, the middle slide rail 2 will not be expanded under the influence of gravity, and the stability is improved.

[0025] Further, the two sides of the middle slide rail 2 are provided with guide grooves 4 capable of sliding in the inner wall of the outer slide rail 1, the two sides of the inner wall of the outer slide rail 1 are provided with guide strips and rolling bodies matched with the guide grooves 4, the two sides of the inner slide rail 8 are provided with sliding strips 10, and the front of the middle slide rail 2 is provided with sliding grooves 11 matched with the sliding strips 10.

[0026] Through the cooperation of the guide grooves 4 and the guide strips, the middle slide rail 2 can slide horizontally along the length direction of the outer slide rail 1, and the inner slide rail 8 can slide horizontally in the sliding grooves 11 on the middle slide rail 2 through the sliding strips 10.

[0027] The above is only the preferred embodiment of the present application, and is not used to limit the present application. It should be pointed out that, for ordinary skilled in the art, without departing from the technical principles of the present application, a number of improvements and modifications can be made, and these improvements and modifications should be regarded as the protection scope of the present application.

Claims

1. A cabinet slide rail with a locking mechanism, characterized by, Include: The inner wall of the cabinet is fixedly connected with the slide rail back frame and the outer slide rail (1), the front surface of the outer slide rail (1) is slidably provided with the middle slide rail (2), the front surface of the middle slide rail (2) is slidably provided with the inner slide rail (8), and the tail end of the front surface of the outer slide rail (1) is provided with a locking mechanism capable of locking the middle slide rail (2); The locking mechanism comprises a limiting block (5) fixedly installed on the tail end of the front surface of the outer slide rail (1), and the tail end of the middle slide rail (2) is provided with a locking groove (7) matched with the limiting block (5), and the outer side of the inner wall of the locking groove (7) is provided with an extrusion block (3).

2. The cabinet slide with locking mechanism of claim 1, wherein, The surface of the limiting block (5) is provided with a friction piece (6), and the material of the friction piece (6) is an elastomer; The friction piece (6) has a normal state and an extrusion state, when the friction piece (6) is in the normal state, the diameter of the friction piece (6) is the same as the width of the inner cavity of the locking groove (7), and when the friction piece (6) is in the extrusion state, the friction piece (6) is in interference fit with the two extrusion blocks (3).

3. The cabinet slide with locking mechanism of claim 1, wherein, The two sides of the middle slide rail (2) are provided with guide grooves (4) capable of sliding in the inner wall of the outer slide rail (1), and the inner wall of the outer slide rail (1) is provided with guide strips and rolling bodies matched with the guide grooves (4).

4. The cabinet slide with locking mechanism of claim 1, wherein, The height of the limiting block (5) is greater than the thickness of the middle slide rail (2).

5. The cabinet slide with locking mechanism of claim 1, wherein, The length of the middle slide rail (2) is less than the length of the outer slide rail (1).

6. The cabinet slide with locking mechanism of claim 1, wherein, The two sides of the inner slide rail (8) are provided with sliding strips (10), and the front surface of the middle slide rail (2) is provided with sliding grooves (11) matched with the sliding strips (10).

7. The cabinet slide with locking mechanism of claim 1, wherein, The surface of the inner slide rail (8) is provided with a connecting hole, and the inner slide rail (8) is connected with the side surface of the server case.

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