CN213498914U

CN213498914U - Locking and pulling device

Info

Publication number: CN213498914U
Application number: CN202022442254.2U
Authority: CN
Inventors: 刘松; 刘恒; 钱自富; 赵旭东
Original assignee: Sichuan Jiuzhou Electric Group Co Ltd
Current assignee: Sichuan Jiuzhou Electric Group Co Ltd
Priority date: 2020-10-28
Filing date: 2020-10-28
Publication date: 2021-06-22
Anticipated expiration: 2030-10-28

Abstract

The utility model relates to a locking pulling device belongs to electronic equipment technical field, has solved the problem that module bottom plug-in components atress is uneven, have the risk of damage when outfield removable module plays to pull out. The locking and pulling device of the utility model comprises a fixed shaft, a pulling main body, a fixed rod and a sliding rod; the pulling main bodies are symmetrically arranged at two ends of the fixed rod, and the pulling main bodies and the sliding rod can slide relatively; the pulling main body is provided with a hole for riveting a fixing shaft, and the fixing shaft is arranged in the hole. The utility model discloses a pull-out device bilateral symmetry arranges and plays to pull out the main part, and two play to pull out the main part and pass through the dead lever and connect, when removable module in the field plays to pull out, can make module bottom connector atress even.

Description

Locking and pulling device

Technical Field

The utility model relates to an electronic equipment technical field especially relates to a locking pull-out device.

Background

With the development of light weight and miniaturization of electronic devices, the field replaceable module is more and more commonly used. The external field replaceable module is generally directly fastened on the chassis/frame by using screws or bolts and nuts, the mounting mode causes inconvenience in assembling and replacing the external field replaceable module, and the screws, the nuts, the washers and the like are easy to fall off in the chassis to form hidden troubles. And when the removable module overlength of external field is too wide, adopt instrument or conventional pull-out device to make module bottom connector atress uneven when pulling out, have the risk of damaging, it is extremely inconvenient.

SUMMERY OF THE UTILITY MODEL

In view of the above analysis, the utility model aims at providing a locking pulling device to can make the uneven, the problem that has the risk of damage of module bottom connector atress when solving the removable module of external field and pulling up.

The purpose of the utility model is mainly realized through the following technical scheme:

a locking and pulling device comprises a fixed shaft, a pulling main body, a fixed rod and a sliding rod;

the pulling main bodies are symmetrically arranged at two ends of the fixed rod, and the pulling main bodies and the sliding rod can slide relatively;

the pulling main body is provided with a hole for riveting a fixing shaft, and the fixing shaft is arranged in the hole.

Furthermore, the locking and pulling device further comprises a roller and a pin shaft, the pulling main body is of an L-shaped structure and consists of a horizontal rod and a vertical rod, one end of the vertical rod is provided with a mounting interface of the roller and the pin shaft, the pin shaft penetrates through the roller, and the roller and the pin shaft can rotate on the pulling main body along respective axes.

Further, the locking and pulling device further comprises a torsion spring, the torsion spring is sleeved at the middle of the fixed shaft, and the fixed shaft is riveted on the pulling main body.

Furthermore, a sliding groove is further formed in the vertical rod of the pulling main body, and the sliding groove and the roller are respectively located at two ends of the vertical rod in the length direction.

Furthermore, a sliding tongue is arranged in the sliding groove, and one end of the sliding tongue can extend out of the sliding groove.

Furthermore, a connecting block is further arranged in the sliding groove and fixedly connected with the sliding tongue, so that the sliding distance of the sliding tongue can be limited.

Furthermore, a pressure spring is arranged on the sliding tongue, and when the sliding tongue extends out of the sliding groove, the pressure spring is in a compressed state.

Furthermore, the connecting blocks are arranged in two sliding grooves respectively in the two pulling main bodies, and the two connecting blocks are fixedly connected with the sliding rod.

Furthermore, the locking and pulling device further comprises a sliding block, and the sliding block is fixedly installed in the middle of the sliding rod.

Further, the surface of the sliding block is provided with a flange.

The utility model discloses can realize one of following beneficial effect at least:

(1) the utility model discloses a locking pulling-out device, bilateral symmetry arrange and play and pull out the main part, two play and pull out the main part and pass through the dead lever and the slide bar is connected, are equipped with the slider in the middle of the slide bar for when playing and pull out the module, no matter whether the removable module bottom connector position of outfield is placed in the middle of, because manual acting on the force is at pulling-out device middle part, can make module bottom connector atress even, can high-efficient, safe, convenient play and pull out.

(2) The utility model discloses a locking pull-out device, when dismantling outfield replaceable module, do not need the instrument to dismantle, avoided the easy problem that drops of fastener of dismantlement.

The utility model discloses in, can also make up each other between the above-mentioned each technical scheme to realize more preferred combination scheme. Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.

Drawings

The drawings are only for purposes of illustrating particular embodiments and are not to be construed as limiting the invention, wherein like reference numerals are used to designate like parts throughout the drawings.

FIG. 1 is a side view of a locking and pulling device according to an embodiment of the present invention;

fig. 2 is a side sectional view of the locking and pulling device according to the embodiment of the present invention;

fig. 3 is an exploded view of the locking and pulling device according to the embodiment of the present invention;

fig. 4 is an installation schematic view of the locking and pulling device according to the embodiment of the present invention;

fig. 5 is a top view of fig. 4.

Reference numerals:

1-roller, 2-pin shaft, 3-fixed shaft, 4-pulling main body, 5-connecting block, 6-sliding rod, 7-fixed rod, 8-sliding block, 9-torsion spring, 10-compression spring, 11-sliding tongue and 12-external field replaceable module.

Detailed Description

The following detailed description of the preferred embodiments of the invention, which is to be read in connection with the accompanying drawings, forms a part of the invention, and together with the embodiments of the invention, serve to explain the principles of the invention and not to limit the scope of the invention.

In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the term "connected" is to be understood broadly, and may be, for example, a fixed connection, a detachable connection or an integral connection, a mechanical connection, a direct connection, or an indirect connection via an intermediate medium. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

For convenience of description, one end of the pulling-up body 4 connected to the fixing lever 7 is set to be a rear end, and the opposite end is set to be a front end.

The utility model discloses an embodiment, as shown in fig. 1 to 5, discloses a locking pulling-out device (hereinafter referred to pulling-out device), including pulling-out main part 4, dead lever 7 and slide bar 6, two play to pull out main part 4 bilateral symmetry and arrange at the both ends of dead lever 7, dead lever 7 with play to pull out main part 4 fixed connection. The drawer main body 4 and the slide lever 6 can slide relative to each other.

The pulling body 4 is of an L-shaped structure and comprises a horizontal rod and a vertical rod, the front end of the vertical rod is provided with a mounting interface of the roller 1 and the pin shaft 2, and the pin shaft 2 penetrates through the roller 1 and is riveted on the pulling body 4 in a turning manner, so that the pin shaft 2 and the roller 1 can rotate on the pulling body 4 along respective axes. The pulling device further comprises a fixing shaft 3, the vertical rod is provided with a hole for riveting the fixing shaft 3, the fixing shaft 3 is provided with a counter bore along the axial direction, and the fixing shaft 3 is turned and riveted on the vertical rod of the pulling main body 4 after penetrating through the torsion spring 9.

The vertical rod of the pulling main body 4 is also provided with a sliding groove, the sliding groove extends to the rear end of the vertical rod, a sliding tongue 11 is arranged in the sliding groove, and one end of the sliding tongue 11 can extend out of the sliding groove. The connecting block 5 is further arranged in the sliding groove, the sliding tongue 11 is fixedly connected with the connecting block 5, and the connecting block 5 can limit the sliding distance of the sliding tongue 11. The sliding tongue 11 is provided with a pressure spring 10, when the sliding tongue 11 moves to the maximum distance from the rear end, the sliding tongue 11 extends out of the sliding groove, the pressure spring 10 is in a compressed state, and when the sliding tongue 11 slides to the front end of the vertical rod along the vertical rod under the driving of the connecting block, the pressure spring 10 is further compressed.

This embodiment includes two connecting blocks 5, and two connecting blocks 5 are located two of symmetrical arrangement respectively and play the spout of pulling out main part 4, and two connecting blocks 5 pass through slide bar 6 and connect,

slide bar

6 and 5 fixed connection of connecting block to when stirring slide bar 6, the connecting block 5 of both sides can drive two tongues 11 and slide in the spout of both sides in step.

In order to facilitate holding and ensure balanced stress of the sliding tongues 11 on the two sides during sliding, the pulling device of the embodiment is further provided with a sliding block 8, the sliding block 8 is fixedly installed in the middle of the sliding rod 6, and when the pulling device is used, the sliding block 8 is held, and the sliding tongues 11 on the two sides are driven by the sliding rod 6 and the connecting block 5 fixedly connected with the sliding rod 6 to synchronously slide in the sliding groove of the pulling main body 4 through the sliding block 8. Because the slide block 8 is positioned in the middle of the slide rod 6 and the pulling device is of a symmetrical structure, the sliding tongues 11 on the two sides are subjected to the same force, and the uniform stress of the module is further ensured in the pulling process. Further, the surface of the slider 8 is provided with a flange to increase friction force when holding.

The locking and pulling device of the present embodiment is fixed on the outfield replaceable module 12 through the counter bore of the fixed shaft 3, so that the pulling bodies 4 on both sides can rotate around the fixed shaft 3. When the module is locked, the roller 1 is placed in a machine box groove, the sliding block 8 is manually slid, the sliding rods 6 and the connecting blocks 5 drive the sliding tongues 11 on two sides to slide in the sliding groove of the pulling main body 4 together, the compression spring 10 is compressed, when the surface of the pulling main body 4 is flush with the surface of the machine box, the driving force of the sliding block 8 is gradually cancelled, the elasticity of the compression spring 10 is released, the sliding tongues 11 are clamped into the clamping groove of the module, the roller 1 abuts against the upper portion of the machine box groove, the torsion spring twists to generate pre-tightening force, and the locking of the module in the machine box is realized. When the module is pulled up and pulled out, the sliding block 8 is manually slid, the sliding tongues 11 on the two sides are driven to slide towards the front end in the sliding groove of the pulling-up main body 4 through the sliding rod 6 and the connecting block 5, the pressure spring 10 is compressed, the sliding tongues 11 are separated from the clamping groove of the module, the torsional pretightening force of the torsion spring is released, the locking pulling-up device is bounced, meanwhile, the roller 1 abuts against the lower part of the machine box groove, and the fixing rod 7 is lifted up to pull up the module.

To sum up, the embodiment of the utility model provides a pair of locking pulling-out device, device bilateral symmetry arranges and has played and pull out the main part, two play and pull out the main part and pass through the dead lever and connect, when realizing that outfield removable module plays to pull out, no matter whether module bottom connector position is placed in the middle or not, manual acting on the power at the dead lever middle part of outfield removable module both sides, can make module bottom connector atress even, can be high-efficient, safe, convenient lock and play and pull out, the work efficiency of outfield removable module maintenance has been improved, the reliability and the maintainability of module have been improved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention.

Claims

1. A locking and pulling device is characterized by comprising a fixed shaft (3), a pulling main body (4), a fixed rod (7) and a sliding rod (6);

the pulling-up main body (4) is symmetrically arranged at two ends of the fixed rod (7), and the pulling-up main body (4) and the sliding rod (6) can slide relatively;

the pulling-up body (4) is provided with a hole for riveting the fixing shaft (3), and the fixing shaft (3) is arranged in the hole.

2. The locking and pulling device according to claim 1, further comprising a roller (1) and a pin (2), wherein the pulling body (4) is of an L-shaped structure and is composed of a horizontal rod and a vertical rod, one end of the vertical rod is provided with an installation interface of the roller (1) and the pin (2), the pin (2) penetrates through the roller (1), and the roller (1) and the pin (2) can rotate on the pulling body (4) along respective axes.

3. The locking and pulling device according to claim 2, further comprising a torsion spring (9), wherein the torsion spring (9) is sleeved on the middle portion of the fixed shaft (3), and the fixed shaft (3) is riveted on the pulling body (4).

4. The locking and pulling device according to claim 2 or 3, wherein the vertical rod is further provided with a sliding groove, and the sliding groove and the roller (1) are respectively located at two ends of the vertical rod in the length direction.

5. The locking and pulling device according to claim 4, wherein a sliding tongue (11) is arranged in the sliding groove, and one end of the sliding tongue (11) can extend out of the sliding groove.

6. The locking and pulling device according to claim 5, wherein a connecting block (5) is further arranged in the sliding groove, and the connecting block (5) is fixedly connected with the sliding tongue (11) and can limit the sliding distance of the sliding tongue (11).

7. The locking and pulling device according to claim 6, wherein the sliding tongue (11) is provided with a compression spring (10), and when the sliding tongue (11) extends out of the sliding groove, the compression spring (10) is in a compressed state.

8. The locking and pulling device according to any one of claims 6 to 7, wherein two connecting blocks (5) are provided, and are respectively positioned in the sliding grooves of the two pulling bodies (4), and the two connecting blocks (5) are fixedly connected with the sliding rod (6).

9. The locking and extraction device according to claim 1, characterized in that it further comprises a slider (8), said slider (8) being fixedly mounted in the middle of said sliding rod (6).

10. Locking and extraction device according to claim 9, characterized in that the surface of the slide (8) is provided with a flange.