CN216152237U

CN216152237U - Folding pulling aid

Info

Publication number: CN216152237U
Application number: CN202122125074.6U
Authority: CN
Inventors: 姚春良; 顾浩磊; 陈家栋
Original assignee: Ningbo Shengjiu Technology Co ltd
Current assignee: Ningbo Shengjiu Technology Co ltd
Priority date: 2021-09-01
Filing date: 2021-09-01
Publication date: 2022-04-01
Anticipated expiration: 2031-09-01

Abstract

The utility model relates to a folding pulling aid, which is designed for solving the technical problems of large occupied use space, poor firmness and inconvenient operation and use caused by poor structural design of the existing similar products. The upper part of one end of a lock tongue of the pulling aid is connected with one end of a handle through a second pin and is provided with a torsion spring, the lower part of the end of the lock tongue is arranged in a notch of a base through a first pin, and a locking notch at the other end of the lock tongue extends out of the notch of the base; the key point is that the first pin top of spring bolt is equipped with bellied limit ear, the limit ear of spring bolt passes through the second pin joint with the rotation groove of handle, the rotation groove top of handle is equipped with the extension limit, the limit ear top of spring bolt is equipped with the spacing groove, the limit ear's of spring bolt both sides be located the rotation inslot of handle both sides, be equipped with the torsional spring groove in the middle of the rotation groove of handle, the torsional spring groove of handle inserts the middle slot between the limit ear on the spring bolt, the torsional spring sets up the external diameter of second pin in the torsional spring groove of handle, the limit ear of spring bolt is located the extension limit below of handle.

Description

Folding pulling aid

Technical Field

The utility model relates to a pulling aid, in particular to a folding pulling aid.

Background

The wire management frame is a tool for arranging electronic wires, is usually used together with a distribution frame, is generally arranged at the front end of a frame, and provides horizontal cable management of jumper wires for wiring or equipment. The cable arranging frame simplifies the planning and installation of the cross connection system, is used for clearing network cables, and naturally arranges the cables according to the trend of the cables during installation to form a system easy to maintain and only facilitates the management in the future. Because each jumper wire has certain weight, the jumper wires naturally droop after being jumped to the interface of the distribution frame module; for example, the utility model is named as "pull-out aid" according to the publication number 201621442898.9 and the publication date 2017.07.21 disclosed in the chinese patent document. However, the wrench for the pull-out aid used in the communication industry and the like has the same bearing force value and volume, namely, the product is huge, and the requirement on the use space is higher, so that the handle and the cabinet or the server are difficult to use in a flatly attaching mode with the minimum distance in a locking state.

Disclosure of Invention

In order to overcome the defects, the utility model aims to provide a folding pulling aid for the field, so that the technical problems of large occupied use space, poor firmness and inconvenient operation and use caused by poor structural design of the existing similar products are solved. The purpose is realized by the following technical scheme.

A folding pulling-assisting device is characterized in that the upper part of one end of a spring bolt of the pulling-assisting device is connected with one end of a handle through a second pin, a torsional spring is arranged at the joint, the lower part of the end of the spring bolt is arranged in a groove opening of a base through a first pin, the other end of the spring bolt between the first pin and the second pin is provided with an open-ended locking opening, and the locking opening of the spring bolt extends out of the groove opening of the base. Its structural design main points are the first pin top of spring bolt is equipped with bellied limit ear, the limit ear of spring bolt passes through the second pin joint with the rotation groove of handle, the rotation groove top of handle is equipped with the extension limit, the limit ear top of spring bolt is equipped with the spacing groove, the rotation inslot that is located the handle both sides of the limit ear of spring bolt both sides, be equipped with the torsional spring groove in the middle of the rotation groove of handle, the middle slot between the limit ear on the torsional spring groove of handle inserts the spring bolt, the torsional spring sets up in the external diameter of the torsional spring inslot second pin of handle, the limit ear of spring bolt is located the extension limit below of handle. The structure is convenient for assembly among the handle, the lock tongue and the base, and the arrangement of the torsion spring, linkage limit and interlocking limit between the handle and the lock tongue.

The fore shaft top width of spring bolt is greater than the below width, and the notch of base is gone into to the fore shaft below cover of spring bolt, and the notch top arc limit of base is located the first pin top arc wall of spring bolt, and the arc wall is located the border of spring bolt top broadside, and the top fore shaft height of spring bolt is greater than and stretches out fore shaft below height. The structure facilitates the integration of the lock tongue and the base, and the production, assembly and mutual linkage realize unlocking and locking.

The bottom of the notch of the base is provided with an arc-shaped opening, and the arc-shaped opening of the base is enlarged in an arc shape from the inner side to the outer side. The structure is convenient for the bolt to rotate in the base.

The utility model discloses a clamp plate, including base, arc mouth, cardboard, spring bolt, base, the fixed buckle of cardboard is equipped with the limit groove on one side of arc mouth top in the notch of base, and the limit inslot of base is equipped with the cardboard, and the cardboard is fixed in the base through first pin simultaneously in the limit groove of base, and one side cardboard of first pin is equipped with the locating hole, and the steel ball in the spring bolt stretches out through spring bolt inner spring and supports mutually in the locating hole of cardboard. Thereby facilitating further securement of the latch bolt within the notch of the base in the latched state.

The limit ear top both sides end angle symmetry of spring bolt is equipped with the transition limit, and the limit transition limit in the limit ear top of the rotation groove top of handle laminating in the spring bolt under the initial condition is equipped with the contained angle between the top of handle and the top of spring bolt. Therefore, the handle of the pull-out aid is attached to the frame of the cabinet or the server through the transition edge of the lock tongue.

The bottom of base is equipped with bellied reference column. Therefore, the pulling aid is convenient to be fixed on a frame of a cabinet or a server through the positioning column of the base.

The bottom of the other end of the handle is provided with a wrenching groove. Thereby being convenient for the pulling aid to be lifted and opened through the pulling groove of the handle.

The utility model has reasonable structural design, convenient operation and use, small occupied use space and convenient adjustment of the handle and the size according to requirements; the pull-out aid is suitable for being used as a cabinet or a pull-out aid of a server and further improving similar products.

Drawings

Fig. 1 is a schematic diagram of an explosive structure of the present invention.

Fig. 2 is a sectional view schematically showing the initial state of the present invention, in which the arrow indicates the handle retracting direction.

Fig. 3 is a sectional view schematically showing the opened state of the handle of fig. 2, in which an arrow indicates a pulling direction of the handle.

Fig. 4 is a schematic sectional view of the handle of fig. 3 driving the latch to achieve an unlocked state.

Fig. 5 is a schematic perspective view of fig. 2.

Fig. 6 is a schematic perspective view of fig. 3.

Fig. 7 is a schematic perspective view of fig. 4.

Figure number and name: 1. the handle, 101, the rotating groove, 102, the pulling groove, 2, the bolt, 201, the locking notch, 202, the transition edge, 3, the first pin, 4, the base, 401, the notch, 402, the positioning column, 5, the clamping plate, 6, the steel ball, 7, the spring, 8, the first pin, 8, the second pin, 9 and the torsion spring.

Detailed Description

The construction and use of the utility model will now be further described with reference to the accompanying drawings. As shown in fig. 1-7, the upper part of one end of the lock tongue 2 of the pulling aid is connected with one end of the handle 1 through a second pin 8, a torsion spring 9 is arranged at the joint, the lower part of the end of the lock tongue is arranged in a notch 401 of the base 4 through a first pin 3, the other end of the lock tongue between the first pin and the second pin is provided with an open-ended locking notch 201, and the locking notch of the lock tongue extends out of the notch of the base. The concrete structure is as follows: the first pin top of spring bolt is equipped with bellied limit ear, the limit ear of spring bolt passes through the second pin junction with the rotation groove 101 of handle, the rotation groove top of handle is equipped with the extension limit, the limit ear top of spring bolt is equipped with the spacing groove, the rotation inslot that is located the handle both sides of the limit ear of spring bolt both sides, be equipped with the torsional spring groove in the middle of the rotation groove of handle, the middle groove between the limit ear on the spring bolt is inserted in the torsional spring groove of handle, the torsional spring sets up the external diameter of the second pin in the torsional spring groove of handle, the limit ear of spring bolt is located the extension limit below of handle. The fore shaft top width of spring bolt is greater than the below width, and the notch of base is gone into to the fore shaft below cover of spring bolt, and the notch top arc limit of base is located the first pin top arc wall of spring bolt, and the arc wall is located the border of spring bolt top broadside, and the top fore shaft height of spring bolt is greater than and stretches out fore shaft below height. The bottom of the notch of the base is provided with an arc-shaped opening, and the arc-shaped opening of the base is increased from the inner side to the outer side in an arc shape; a side groove is formed in one side above an arc-shaped opening in the notch of the base, a clamping plate 5 is arranged in the side groove of the base, the clamping plate is fixed and buckled on the side groove of the base through a first pin, a positioning hole is formed in the clamping plate on one side of the first pin, and a steel ball 6 in the spring bolt extends out of the positioning hole in the clamping plate through a spring 7 in the spring bolt. The limit ear top both sides end angle symmetry of spring bolt is equipped with transition limit 202, and the limit transition limit in the limit ear top of the rotation groove top of handle is laminated in the spring bolt under the initial condition, is equipped with the contained angle between the top of handle and the top of spring bolt, the contained angle is 10 degrees. In addition, the bottom of base is equipped with bellied reference column 402, and the other end bottom of handle is equipped with pulls groove 102, and base, handle and spring bolt pass through the casting shaping to further provide holistic firmness and life.

When the lock is in a locking state, the handle is flatly attached to the cabinet or the server at the minimum distance; when it is desired to open, the handle is lifted up to allow room for the handle to grasp and hold the handle to push the entire product out of the cabinet or other object. When the cabinet or other objects are pushed, the pulling aid returns to a locking state, the handle returns to a parallel state by means of torsion springs, limiting and the like, and the handle is tightly attached to the surface of the cabinet or the server.

In conclusion, the pull-out aid relates to a wrench tool for a server in the industries of communication and the like, and is a foldable pull-out aid with a replaceable handle; the problem that the similar pulling-aid products need larger installation space when needing larger bearing capacity is effectively solved; meanwhile, the handle and the lock tongue of the pull-out aid are fixed by the pin, and the size and the appearance of the handle are replaced according to the requirements of customers. The technical scheme adopted by the extraction aid is as follows: 1. the pulling aid adopts a folding type, and the space utilization rate is maximized by matching the pin, the handle and the lock tongue structure; 2. the uniformity of product production assembly is realized, and only the handle needs to be replaced according to the requirements of customers.

Claims

1. A folding pulling aid is characterized in that the upper part of one end of a lock tongue (2) of the pulling aid is connected with one end of a handle (1) through a second pin (8), a torsion spring (9) is arranged at the connection position, the lower part of the end of the lock tongue is arranged in a notch (401) of a base (4) through a first pin (3), the other end of the lock tongue between the first pin and the second pin is provided with an open-ended locking notch (201), and the locking notch of the lock tongue extends out of the notch of the base; the spring bolt is characterized in that a raised edge lug is arranged above a first pin (3) of the spring bolt (2), the edge lug of the spring bolt is connected with a rotating groove (101) of a handle (1) through a second pin (8), an extending edge is arranged above the rotating groove of the handle, a limiting groove is arranged at the top of the edge lug of the spring bolt, the edge lugs on two sides of the spring bolt are positioned in the rotating grooves on two sides of the handle, a torsion spring groove is arranged in the middle of the rotating groove of the handle, the torsion spring groove of the handle is inserted into a middle groove between the edge lugs on the spring bolt, a torsion spring (9) is arranged on the outer diameter of the second pin in the torsion spring groove of the handle, and the edge lug of the spring bolt is positioned below the extending edge of the handle.

2. The folding extraction aid as claimed in claim 1, wherein the width above the fore shaft (201) of the lock tongue (2) is greater than the width below the fore shaft, the notch (401) of the base (4) is inserted below the fore shaft of the lock tongue, the top arc edge of the notch of the base is located in the arc groove above the first pin of the lock tongue, the arc groove is located at the edge of the wide edge above the lock tongue, and the height of the fore shaft of the lock tongue is greater than the height of the fore shaft extending out below the fore shaft.

3. The folding extraction aid according to claim 2, characterized in that the bottom of the notch (401) of the base (4) is provided with an arc-shaped opening, and the arc-shaped opening of the base increases in an arc shape from the inner side to the outer side.

4. The folding extraction aid as claimed in claim 2, wherein a side groove is formed in one side of the base (4) above the inner arc opening of the notch (401), a clamping plate (5) is arranged in the side groove of the base, the clamping plate is fixedly clamped in the side groove of the base, the clamping plate is fixed to the base through a first pin (3), a positioning hole is formed in the clamping plate on one side of the first pin, and a steel ball (6) in the lock tongue (2) extends out through a spring (7) in the lock tongue and abuts against the positioning hole of the clamping plate.

5. The folding extraction aid as claimed in claim 1, wherein the two side corners of the top of the edge ear of the lock tongue (2) are symmetrically provided with transition edges (202), the outer extending edge above the rotating groove (101) of the handle (1) is attached to the transition edges of the top of the edge ear of the lock tongue in the initial state, and an included angle is formed between the top of the handle and the top of the lock tongue.

6. The folding extraction aid according to claim 1, characterized in that the bottom of the base (4) is provided with raised positioning posts (402).

7. The folding extraction aid according to claim 1, characterized in that the bottom of the other end of the handle (1) is provided with a pulling groove (102).