CN216059839U

CN216059839U - Special extension spring for drawer rail

Info

Publication number: CN216059839U
Application number: CN202122095190.8U
Authority: CN
Inventors: 陈宇
Original assignee: Suzhou Xincheng Hardware Spring Co ltd
Current assignee: Suzhou Xincheng Hardware Spring Co ltd
Priority date: 2021-09-01
Filing date: 2021-09-01
Publication date: 2022-03-18
Anticipated expiration: 2031-09-01

Abstract

The utility model discloses an extension spring special for a drawer rail, which comprises an outer sleeve, wherein one side of the outer wall of the outer sleeve is in threaded connection with a plurality of screws, the outer sleeve is connected with a square cover through the screws, the outer sleeve is connected with an inner diameter pipe in a sliding mode on one side far away from the inside of the square cover, one side inside the inner diameter pipe is connected with a pair of extension spring bodies, one ends of the pair of extension spring bodies penetrate through the inner diameter pipe and are connected with one side of the inner wall of the outer sleeve, a plurality of grooves are formed in two sides of the outer wall of the inner diameter pipe, damping rotating shafts are connected inside the grooves, the inner diameter pipe is movably connected with micro carrier rollers through the damping rotating shafts respectively, one sides of the micro carrier rollers penetrate through the grooves and extend to the outside, and clamping grooves which are mutually clamped with the micro carrier rollers are formed in two sides of the outer sleeve. The special extension spring for the drawer rail is simple and reasonable in structure, novel in design, capable of effectively improving protection of the drawer, simple and convenient to install and high in practical value.

Description

Special extension spring for drawer rail

Technical Field

The utility model relates to the technical field of spring equipment, in particular to a special extension spring for a drawer rail.

Background

The drawer rail is a hardware connecting part fixed inside the drawer and providing access movement, and meanwhile, the drawer rail is also suitable for connection of drawer furniture such as cabinets, furniture, document cabinets and bathroom cabinets, wherein the drawer can be effectively moved back and forth, and the extension spring can be installed on the drawer rail.

However, in the use process of the existing extension spring, due to the elastic action of the extension spring, the drawer has larger inertia when moving back, so that severe collision is caused, and the drawer is damaged. Therefore, we improve the problem and provide a special extension spring for a drawer rail.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides the following technical scheme:

the utility model relates to an extension spring special for a drawer rail, which comprises an outer sleeve, wherein a plurality of screws are connected to one side of the outer wall of the outer sleeve in a threaded manner, the outer sleeve is connected with a square cover through the screws, an inner diameter pipe is connected to one side of the outer sleeve far away from the square cover in a sliding manner, a pair of extension spring bodies are connected to one side of the inner diameter pipe, one ends of the pair of extension spring bodies penetrate through the inner diameter pipe and are connected with one side of the inner wall of the outer sleeve, a plurality of grooves are formed in two sides of the outer wall of the inner diameter pipe, damping rotating shafts are connected to the insides of the grooves, the inner diameter pipe is movably connected with micro carrier rollers through the damping rotating shafts respectively, one sides of the micro carrier rollers penetrate through the grooves and extend to the outside, and clamping grooves which are mutually clamped with the micro carrier rollers are formed in two sides of the outer sleeve.

According to a preferable technical scheme, the inner walls of the two clamping grooves are provided with the abrasive plates on one side, and one sides of the abrasive plates are respectively attached to the outer walls of the micro carrier rollers.

As a preferable technical scheme of the utility model, the outer sleeve is provided with an ejector block at one side close to the inner wall of the extension spring body, and one side of the inner diameter pipe is provided with a positioning groove which is mutually clamped with the ejector block.

As a preferred technical scheme of the utility model, one side of the outer wall of the square cover is welded with a connecting buckle, and one side of the connecting buckle is provided with a threaded hole.

As a preferable technical scheme of the utility model, one end of the inner diameter pipe is connected with a pair of fixing plates, a bearing is embedded at one adjacent side of the pair of fixing plates, and a support rod is movably connected between the pair of fixing plates through the bearing.

As a preferred technical solution of the present invention, the inner wall of the outer sleeve is provided with a pair of slide rails, and the outer wall of the inner diameter tube is provided with slide grooves engaged with the slide rails.

As a preferred technical scheme of the utility model, a plurality of corrugated strips are bonded on the outer wall of the micro carrier roller, and are made of rubber materials.

The utility model has the beneficial effects that:

1. the special extension spring for the drawer rail avoids damage to a drawer due to the use of the inner diameter pipe, the extension spring body, the damping rotating shaft, the miniature carrier roller and the clamping groove in a matched mode, the drawer connected with the inner diameter pipe is driven to move back by the aid of the use of the inner diameter pipe and the extension spring body in a matched mode, the miniature carrier roller is driven to decelerate when contacting with the clamping groove through the decelerating effect of the damping rotating shaft on the miniature carrier roller, and therefore collision damage to the drawer is reduced;

2. this kind of special extension spring of drawer track, installation through the dull polish board is used, the friction between miniature bearing roller and the draw-in groove has been increased, thereby improve the speed reduction effect, the butt joint of rethread kicking block and constant head tank is used, avoid the extension spring body to take place the skew, thereby influence normal use, and use through the cooperation of connector link and screw hole, make the installation of outer tube more convenient, and simultaneously, use through the cooperation of fixed plate and die-pin, make placing of drawer install more convenient, and simultaneously, avoid the emergence of the condition of droing. The drawer protection device is simple and reasonable in structure, novel in design, capable of effectively improving the protection of the drawer, simple and convenient to install and high in practical value.

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 specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a perspective view of a tension spring specifically used for a drawer rail according to the present invention;

FIG. 2 is a cross-sectional view of a tension spring dedicated to a drawer rail of the present invention;

FIG. 3 is a view showing the structure of an outer sleeve of an extension spring for a drawer rail according to the present invention;

fig. 4 is an enlarged schematic view of structure a of fig. 1 of a drawer rail dedicated extension spring of the present invention.

In the figure: 1. an outer sleeve; 2. an inner diameter tube; 3. a square cover; 4. a connecting buckle; 5. a threaded hole; 6. a fixing plate; 7. a support rod; 8. an extension spring body; 9. a top block; 10. positioning a groove; 11. a damping rotating shaft; 12. sanding a plate; 13. a slide rail; 14. a card slot; 15. a miniature carrier roller.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Example (b): as shown in fig. 1-4, the extension spring special for drawer rails of the present invention comprises an outer sleeve 1, a plurality of screws are connected to one side of the outer wall of the outer sleeve 1 in a threaded manner, the outer sleeve 1 is connected with a square cover 3 through the screws, an inner diameter tube 2 is slidably connected to one side of the outer sleeve 1 away from the inner side of the square cover 3, a pair of extension spring bodies 8 is connected to one side of the inner diameter tube 2, one end of each of the pair of extension spring bodies 8 penetrates through the inner diameter tube 2 and is connected to one side of the inner wall of the outer sleeve 1, a plurality of grooves are formed on both sides of the outer wall of the inner diameter tube 2, damping rotating shafts 11 are connected to the insides of the grooves, the inner diameter tube 2 is movably connected to a micro carrier roller 15 through each damping rotating shaft 11, one side of each of the plurality of micro carrier rollers 15 penetrates through the grooves and extends to the outside, and clamping grooves 14 which are mutually clamped with the micro carrier rollers 15 are formed on both sides of the outer sleeve 1.

Wherein, dull polish board 12 is all installed to the inner wall one side of two draw-in grooves 14, and one side of dull polish board 12 laminates with the outer wall of miniature bearing roller 15 mutually respectively, uses through the installation of dull polish board 12, has increased the friction between miniature bearing roller 15 and draw-in groove 14 to improve the speed reduction effect.

Wherein, the outer tube 1 is being close to extension spring body 8 inner wall one side installation kicking block 9, and 2 one sides of internal diameter pipe are provided with the constant head tank 10 with the mutual block of kicking block 9, use through the butt joint of kicking block 9 with constant head tank 10, avoid extension spring body 8 to take place the skew to influence normal use.

Wherein, the welding of 3 outer walls one sides of square cover has connector link 4, and connector link 4 one side is provided with screw hole 5, uses through the cooperation of connector link 4 with screw hole 5 for the installation of outer tube 1 is more convenient.

Wherein, 2 one ends of internal diameter pipe are connected with a pair of fixed plate 6, and the adjacent one side of a pair of fixed plate 6 is inlayed and is equipped with the bearing, and has die-pin 7 through bearing swing joint between a pair of fixed plate 6, uses through the cooperation of fixed plate 6 with die-pin 7 for the installation of placing of drawer is more convenient, simultaneously, avoids the emergence of the condition of droing.

Wherein, a pair of slide rail 13 is installed to 1 inner wall of outer tube, and the 2 outer walls of internal diameter pipe are provided with the spout with the mutual block of slide rail 13, use through the cooperation of slide rail 13 with the spout for the slip of internal diameter pipe 2 in outer tube 1 is more stable.

Wherein, the outer wall bonding of miniature bearing roller 15 has a plurality of ripple strips, and a plurality of ripple strips all adopt the rubber material to make, through the cushioning effect who utilizes the ripple strip, reduces the collision damage that miniature bearing roller 15 received.

The working principle is as follows: when the special extension spring for the drawer track is used, firstly, the extension spring is installed in a designated position area and is subjected to push-pull detection, after the extension spring is ensured to be normally used, the extension spring is put into use, the inner diameter pipe 2 is used for driving the connected drawer to move back through the matching of the inner diameter pipe 2, the extension spring body 8, the damping rotating shaft 11, the micro carrier roller 15 and the clamping groove 14, the damage to the drawer caused by the extension spring is avoided, the inner diameter pipe 2 is driven to move back through the matching of the inner diameter pipe 2 and the extension spring body 8, and then the micro carrier roller 15 is decelerated through the deceleration effect of the damping rotating shaft 11 on the micro carrier roller 15 when being in contact with the clamping groove 14, so that the collision damage to the drawer is reduced, the special extension spring for the drawer track increases the friction between the micro carrier roller 15 and the clamping groove 14 through the installation and the use of the frosted plate 12, thereby improve the speed reduction effect, rethread kicking block 9 uses with the butt joint of constant head tank 10, avoids extension spring body 8 to take place the skew to influence normal use, and use through the cooperation of connector link 4 with screw hole 5, make the installation of outer tube 1 more convenient, simultaneously, use through the cooperation of fixed plate 6 with die-pin 7, make placing of drawer install more convenient, simultaneously, avoid the emergence of the condition of droing. The drawer protection device is simple and reasonable in structure, novel in design, capable of effectively improving protection of the drawer, simple and convenient to install and high in practical value.

Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The special extension spring for the drawer track comprises an outer sleeve (1) and is characterized in that one side of the outer wall of the outer sleeve (1) is in threaded connection with a plurality of screws, the outer sleeve (1) is connected with a square cover (3) through the screws, one side of the inner part, far away from the square cover (3), of the outer sleeve (1) is in sliding connection with an inner diameter pipe (2), one side of the inner part of the inner diameter pipe (2) is connected with a pair of extension spring bodies (8), one end of each extension spring body (8) penetrates through the inner diameter pipe (2) and is connected with one side of the inner wall of the outer sleeve (1), two sides of the outer wall of the inner diameter pipe (2) are provided with a plurality of grooves, damping rotating shafts (11) are connected inside the grooves, the inner diameter pipe (2) is movably connected with a miniature carrier roller (15) through the damping rotating shafts (11), and one side of the miniature carrier roller (15) penetrates through the grooves, and extend to the outside, outer tube (1) both sides all are provided with draw-in groove (14) with miniature bearing roller (15) mutual block.

2. The extension spring special for the drawer rail is characterized in that a frosting plate (12) is mounted on one side of the inner wall of each of the two clamping grooves (14), and one side of each frosting plate (12) is attached to the outer wall of each micro carrier roller (15).

3. The extension spring special for the drawer rail is characterized in that the outer sleeve (1) is provided with a top block (9) at one side close to the inner wall of the extension spring body (8), and a positioning groove (10) which is mutually clamped with the top block (9) is arranged at one side of the inner diameter pipe (2).

4. The extension spring special for the drawer rail is characterized in that a connecting buckle (4) is welded on one side of the outer wall of the square cover (3), and a threaded hole (5) is formed in one side of the connecting buckle (4).

5. The extension spring special for the drawer rail is characterized in that one end of the inner diameter pipe (2) is connected with a pair of fixing plates (6), a bearing is embedded in one side adjacent to the pair of fixing plates (6), and a support rod (7) is movably connected between the pair of fixing plates (6) through the bearing.

6. The extension spring special for the drawer rail is characterized in that a pair of sliding rails (13) are installed on the inner wall of the outer sleeve (1), and a sliding groove which is mutually clamped with the sliding rails (13) is arranged on the outer wall of the inner diameter pipe (2).

7. The extension spring special for the drawer rail is characterized in that a plurality of corrugated strips are bonded to the outer wall of the micro carrier roller (15), and are made of rubber.