CN201738721U - Closed damper - Google Patents

Abstract

A closed damper comprises a shell consisting of an upper shell and a bottom shell, wherein a cylindrical damping tube, a spring and a moving part are arranged in the shell, the cylindrical damping tube comprises a telescopic rod, the end part of the telescopic rod is hinged with the middle part of the moving part, and the spring is connected with the tail end of the moving part; the other side edge of the inner parts of the upper shell and the bottom shell is provided with a sliding chute for clamping the movable piece; and a fixing groove of a spring is arranged on the side edge of the closed space. Has the beneficial effects that: 1. the outer surface of the shell is provided with fewer through grooves, so that the appearance of the damper is attractive; 2. the shell is formed by buckling an upper shell and a bottom shell, has simple structure and is convenient to produce and manufacture; 3. the installation is convenient, therefore, the market competitiveness is better.

Description

a closed damper

【Technical field】

The utility model relates to the hardware manufacturing industry, in particular to a closed damper.

【Background technique】

At present, dampers are generally used on the sliding doors of furniture. Through the buffering effect of the dampers, the sliding doors will not collide when they are close to the door frame, avoiding noise due to collisions, and even protecting the sliding doors from being damaged. Collision damage, therefore, is quite popular with consumers.

However, the housings of existing dampers are all integrally formed. When damping tubes, springs and movable parts are installed in the housings, the housings are generally provided with through grooves for installation, and the damping tubes are connected through the through grooves. , The spring and the movable parts are installed in the housing, so the structure of the through groove on the housing is not only inconvenient for installation, but also affects the overall appearance of the damper.

Therefore, the utility model further improves the damper in view of the above-mentioned deficiencies.

【Content of utility model】

The purpose of the utility model is to provide a closed damper with beautiful appearance, simple structure and easy assembly.

In order to achieve the above object, the utility model adopts the following technical solutions:

A closed damper, including a shell made of an upper shell and a bottom shell, a cylindrical damping tube, a spring and a movable part are arranged in the shell, the cylindrical damping tube includes a telescopic rod, and the telescopic rod The end part is hinged with the middle part of the movable part, and the spring is connected with the tail end of the movable part. It is characterized in that the inner side of the upper shell and the bottom shell form a closed space, and the cylindrical damping tube is arranged in the closed space Inside, and at the end of the closed space, there is a gap for the expansion rod to protrude; the other side of the upper shell and the bottom shell are respectively provided with a chute to block the movable part; the closed space The side is provided with a fixing groove for the spring.

A closed damper as described above is characterized in that the movable part includes upper and lower guide shafts, and the guide shafts are stuck in the chute; the side of the movable part is provided with a dial bayonet, and On one side of the upper case and the bottom case, the opening of the shift block bayonet is exposed.

A closed damper as described above is characterized in that the shift block bayonet includes a long side and a short side, and the end of the chute is set as a curved groove inwardly, when the movable part moves to When the curved groove is in position, the long side is exposed outside the opening, and the short side is hidden inside the opening.

A closed damper as described above is characterized in that a positioning hole is provided on the inner side of the upper case, and a positioning post is provided on the inner side of the bottom case, and the positioning post is inserted into the positioning hole so that the upper case and the bottom case snap together.

A closed damper as described above is characterized in that the upper shell and the bottom shell are provided with penetrating screw mounting holes.

The beneficial effects of the utility model are as follows: 1. The cylindrical damping tube is arranged in the closed space, and the guide shaft of the movable part is stuck in the chute, so that the outer surface of the shell has less device through grooves, which is beneficial to the beautiful appearance of the damper ; 2. The shell is composed of the upper shell and the bottom shell, which is simple in structure and easy to manufacture; 3. It is easy to install, so it is more competitive in the market.

【Description of drawings】

Below in conjunction with accompanying drawing and embodiment the utility model is described in detail;

Fig. 1 is a perspective view of the utility model;

Fig. 2 is an explosion diagram of the utility model;

Fig. 3 is an assembly diagram 1 of the upper shell and the lower shell of the utility model;

Fig. 4 is the second assembly diagram of the upper shell and the lower shell of the utility model.

【Detailed ways】

As shown in the figure, a closed damper referred to in the utility model includes a shell composed of an upper shell 1 and a bottom shell 2, and a cylindrical damping tube 3, a spring 4 and a movable part 5 are arranged in the shell, The cylindrical damping tube 3 includes a telescopic rod 6, the end of the telescopic rod 6 is hinged with the middle part of the movable part 5, and the spring 4 is connected with the tail end of the movable part 5, wherein the upper shell 1 and the One side of the bottom shell 2 forms a closed space 7, the cylindrical damping tube 3 is arranged in the closed space 7, and a gap 8 is provided at the end of the closed space 7 for extending the telescopic rod 6; the upper The other inner sides of the shell 1 and the bottom case 2 are respectively provided with slide grooves 9 for clamping the movable part 5 ;

The movable part 5 includes upper and lower guide shafts 11, and the guide shaft 11 is stuck in the chute 9; The opening 13 of the shift block bayonet 12 is exposed on one side. The shift block bayonet 12 includes a long side 14 and a short side 15, and the end of the chute 9 is set to have a curved groove 16 bent inward. When the movable part 5 moves to the curved groove 16 position, the The long side 14 is exposed outside the opening 13 , and the short side 15 is hidden inside the opening 13 , which is convenient for the shift block assembly installed on the door guide rail to cooperate with the shift block bayonet 12 .

In this embodiment, in order to facilitate fast installation and positioning, a positioning hole 17 is provided on the inner side of the upper case 1, and a positioning post 18 is provided on the inner side of the bottom case 2, and the positioning post 18 is inserted into the positioning hole 17, so that the upper case 1 Shell 1 and bottom shell 2 are snapped together.

In order to facilitate fixing the damper on the door or on the fixed plate, the upper shell 1 and the bottom shell 2 are provided with through screw mounting holes 19, and the damper can be fixed by screws.

In the utility model, the cylindrical damper tube 3 is arranged in the closed space 7, and the guide shaft of the movable part 5 is stuck in the chute 9, so that the outer surface of the shell has less device through grooves, which is beneficial to the appearance of the damper. The body is composed of the fastening of the upper shell and the bottom shell, which is convenient for manufacturing and more conducive to installation, so it is more competitive in the market.

Claims (5)

1. closed damper, comprise the housing that constitutes by upper casing (1) and drain pan (2), in housing, be provided with cylindrical damper tube (3), spring (4) and movable part (5), described cylindrical damper tube (3) includes an expansion link (6), the middle part of the end of described expansion link (6) and movable part (5) is hinged, described spring (4) is connected with the tail end of movable part (5), inside one side that it is characterized in that described upper casing (1) and drain pan (2) constitutes enclosure space (7), described cylindrical damper tube (3) is arranged in the enclosure space (7), and is provided with the breach (8) that stretches out for expansion link (6) in the end of enclosure space (7); The chute (9) of movable part (5) is blocked in inside relative being respectively equipped with of another side of described upper casing (1) and drain pan (2); The side of described enclosure space (7) is provided with the holddown groove (10) of spring (4).

2. a kind of closed damper according to claim 1 is characterized in that described movable part (5) includes the upper and lower axis of guide (11), and the described axis of guide (11) is stuck in the chute (9); The side of described movable part (5) is provided with shifting block bayonet socket (12), and exposes the opening (13) of shifting block bayonet socket (12) in a side of upper casing (1) and drain pan (2).

3. a kind of closed damper according to claim 2, it is characterized in that described shifting block bayonet socket (12) includes long limit (14) and minor face (15), the end of described chute (9) is made as to the inside the crooked curved groove (16) that has, when movable part (5) moves to curved groove (16) position, expose in opening (13) outside on described long limit (14), and described minor face (15) is hidden in opening (13) inboard.

4. a kind of closed damper according to claim 1, it is characterized in that being provided with locating hole (17) in the inboard of upper casing (1), be provided with reference column (18) in the inboard of drain pan (2), described reference column (18) is inserted in the locating hole (17), and upper casing (1) and drain pan (2) are snapped together.

5. a kind of closed damper according to claim 1 is characterized in that being provided with the screw installing hole (19) that runs through on upper casing (1) and drain pan (2).

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