CN203626522U - A lower track assembly for sliding doors - Google Patents

Abstract

A lower track assembly for a sliding door comprises a lower track, pulleys, an inner connecting piece, an outer connecting piece, a linear pulley seat, a pressure spring and a vertical moving shaft, wherein the pulleys are respectively pivoted at two ends of the linear pulley seat, and a middle seat is arranged in the middle of the linear pulley seat; one side of the middle seat is provided with an arc-shaped clamping groove with a through height, and a connecting hole penetrates through the linear sliding seat and the middle seat; the middle part of the vertical moving shaft is provided with a radial screw hole, and the lower end of the vertical moving shaft is provided with a counter bore along the axial direction; the two pulleys are in sliding fit with the outer sliding chute, and the middle seat is in up-and-down movement and left-and-right rotation fit in the insertion groove in the horizontal direction. Due to the adoption of the structure, the pressure spring and the vertical moving shaft are arranged, when a wall is met, a ground error or a sliding groove is deformed, the vertical moving shaft can move up and down, swing left and right, the balance is adjusted, the pressure spring plays a role in buffering, and the noise is reduced.

Description

A lower track assembly for sliding doors

technical field

The utility model relates to a device for a sliding door, in particular to a lower track assembly.

Background technique

In the current existing technology, sliding doors and windows, screens, etc. usually use the structure of the track and the matching sliding combination to realize the opening and closing functions. The use of screens, screens, etc. brings relatively large defects. It is impossible to ensure that doors, windows, screens, etc. can be adjusted to a balanced and stable effect when they are pushed and pulled, and there is a situation of overall shaking.

Contents of the invention

The purpose of the utility model is to provide a lower track assembly for a sliding door, which can automatically adjust the balance, prevent shaking and reduce noise.

The utility model is achieved in the following way: a lower track assembly for sliding doors, comprising a lower track, a pulley, an inner connector and an outer connector, the inner side of the top plate of the lower track has an outer chute, and the outer side has an inner The chute, the pulley on the inner connecting piece is slidably matched with the inner chute, the pulley on the outer connecting piece is slidably matched with the outer chute, it is characterized in that it also includes a linear pulley seat, a pressure spring and a vertical moving shaft,

The two ends of the linear pulley seat are respectively pivotally connected with pulleys, and the middle part is provided with an intermediate seat; one side of the intermediate seat has an arc-shaped slot through the height, and a connecting hole passes through the linear sliding seat and the intermediate seat;

There is a radial screw hole in the middle of the vertical moving shaft, and a counterbore along the axial direction at the lower end;

The inner connector includes a connecting plate, a frame-shaped bracket with an opening on one side, and an inner sliding support seat; the inner sliding support seat has an insertion groove with a side opening in the horizontal direction, and a guide shaft hole on the upper wall of the insertion groove. The guide counterbore on the lower wall; the guide shaft hole and the guide counterbore have the same axis;

One end of a pressure spring is set in the counterbore at the bottom of a vertical moving shaft, and the other end is placed in the guiding counterbore; the lower end of the vertical moving shaft passes through the guiding shaft hole and the insertion groove, and is inserted into the guiding counterbore; the middle seat The end of the arc-shaped slot is inserted into the socket slot, and the arc-shaped slot fits with the vertical moving shaft; one screw passes through the connecting hole on the linear pulley seat and screwed with the radial screw hole in the middle of the vertical moving shaft; two The pulley is slidingly matched with the inner chute; the middle seat moves up and down in the insertion slot in the horizontal direction and turns left and right in the insertion slot; the linear pulley seat rotates around the screw on the vertical moving axis;

The outer connector includes a connecting plate, an angle bracket and an outer pulley support seat, and the outer pulley support seat has a horizontal side opening insertion groove, and the upper wall plate of the insertion groove has a guide shaft hole and a lower wall plate. The upper guide counterbore; the guide shaft hole and the guide counterbore have the same axis;

One end of the other pressure spring is set in the counterbore at the lower part of the other vertical moving shaft, the other end is placed in the guiding counterbore, the lower end of the vertical moving shaft passes through the guiding shaft hole and the insertion groove, and is inserted into the guiding counterbore; the middle seat The arc-shaped card slot end is inserted into the socket slot, the arc-shaped card slot fits with the vertical moving shaft, a screw passes through the connecting hole on the linear pulley seat and screwed with the radial screw hole in the middle of the vertical moving shaft, and the linear The pulley seat rotates and cooperates around the screw on the vertical moving shaft; the two pulleys slide and cooperate with the outer chute, and the middle seat moves up and down and rotates left and right in the insertion groove in the horizontal direction.

The above-mentioned lower track assembly for sliding doors is special in that: the inner connecting piece and the outer connecting piece are a profile.

The utility model is a lower track assembly used for sliding doors. Due to the adoption of such a structure, the pressure spring and the setting of the vertical movement axis, when encountering a wall, ground error or deformation of the chute, the vertical movement axis can move up and down. Swing left and right to adjust the balance, and the pressure spring acts as a buffer to reduce noise.

Description of drawings

Fig. 1 is a sectional view of the utility model.

Fig. 2 is one of the three-dimensional exploded views of the utility model.

Fig. 3 is the second perspective exploded view of the utility model.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is further described.

As shown in Fig. 1, Fig. 2, Fig. 3, a kind of lower rail assembly for sliding door comprises lower rail 1, pulley, inner connector 2 and outer connector 3, the inner side of the top plate of described lower rail 1 has The outer chute 1A and the outside have an inner chute 1B, the pulley on the inner connector 2 is slidably matched with the inner chute 1B, and the pulley on the outer connector 3 is slidably matched with the outer chute 1A.

It also includes a linear pulley seat 4, a pressure spring 5 and a vertical moving shaft 6,

The two ends of the linear pulley seat 4 are respectively pivotally connected with pulleys, and the middle part is provided with an intermediate seat 41; one side of the intermediate seat 41 has an arc-shaped slot through the height, and a connecting hole 42 passes through the linear sliding seat 4 and the intermediate seat 41 ;

The middle part of the vertical movement shaft 6 has a radial screw hole, and the lower end has a counterbore along the axial direction;

The inner connector 2 includes a connecting plate 21, a frame-shaped support 22 with an opening on one side, and an inner sliding support seat 23; the inner sliding support seat 23 has an insertion slot 231 with a side opening in the horizontal direction, and is located on the insertion slot 231. The guide shaft hole 232 on the wall plate and the guide counterbore 233 on the wall plate under the insertion slot;

One end of a pressure spring 5 is arranged in the counterbore at the bottom of a vertical moving shaft 6, and the other end is arranged in the guiding counterbore 233; the lower end of the vertical moving shaft 6 passes through the guiding shaft hole 232 and the insertion slot 231, and is inserted into the guiding counterbore 233 Inside; the arc-shaped draw-in slot end of an intermediate seat 41 is inserted in the insertion slot 231, and the arc-shaped draw-in slot is fitted with the vertical moving shaft 6; a screw passes through the connecting hole on the linear pulley seat 4, the connecting hole on the intermediate seat 41 The connecting hole is screwed with the radial screw hole on the vertical moving shaft 6; the two pulleys are slidingly matched with the inner chute 1B; the middle seat 41 of the linear pulley seat 4 moves up and down and rotates left and right in the insertion groove 231 in the horizontal direction Cooperate; the vertical movement shaft 6 moves up and down in the guide shaft hole 232 and the guide counterbore 233 .

The linear pulley seat 4 rotates on the vertical moving shaft 6 around the screw.

The outer connector 3 includes a connecting plate 31, an angled bracket 32 and an outer pulley support seat 33, and the outer pulley support seat 33 has a socket slot 331 with a side opening in the horizontal direction, and is located on the wall plate of the socket slot 331. The guide shaft hole 332 and the guide counterbore 333 located on the lower wall plate of the socket slot;

One end of another pressure spring 5 is arranged in the counterbore of another vertical moving shaft 6, and the other end is arranged in the guiding counterbore 333; The connection groove 331 is inserted into the guide counterbore 333; the arc-shaped slot end of the middle seat 41 is inserted into the insertion hole 331, and the arc-shaped slot is fitted with the vertical moving shaft 6; a screw passes through the linear pulley seat 4 The connecting hole is screwed with the radial screw hole on the vertical moving shaft 6, and the middle seat 41 is rotatably matched with the screw; the two pulleys are slidably matched with the outer chute 1A, and the middle seat 41 of the linear pulley seat 4 is plugged in the horizontal direction Move up and down and turn left and right in the slot 331. The linear pulley seat 4 rotates on the vertical moving axis 6 around the screw

The inner connector 2 and the outer connector 3 are a profile;

When the utility model is in use, the inner side of the connecting plate 21 of the inner connecting piece 2 is fixedly connected with the lower end of the panel 81; the outer side of the connecting plate 31 of the outer connecting piece 3 is fixedly connected with the lower end of the panel 82;

What has been described above is only the preferred implementation of the present utility model. It should be pointed out that those skilled in the art can make some improvements and modifications without departing from the principle of the utility model, which are also regarded as the protection scope of the utility model.

Claims (2)

1. A lower track assembly for a sliding door, comprising a lower track, a pulley, an inner connector and an outer connector, the inner side of the top plate of the lower track has an outer chute, and the outer side has an inner chute, and the inner connection The pulley on the piece is slidingly matched with the inner chute, and the pulley on the outer connecting piece is slidably matched with the outer chute. It is characterized in that it also includes a linear pulley seat, a pressure spring and a vertical moving shaft. The two ends of the linear pulley seat are respectively pivotally connected with pulleys, and the middle part is provided with an intermediate seat; one side of the intermediate seat has an arc-shaped slot through the height, and a connecting hole passes through the linear sliding seat and the intermediate seat; The middle part of the vertical moving shaft has a radial screw hole, and the lower end has a counterbore along the axial direction; The inner connector includes a connecting plate, a frame-shaped bracket with an opening on one side, and an inner sliding support seat; the inner sliding support seat has an insertion groove with a side opening in the horizontal direction, and a guide shaft hole on the upper wall of the insertion groove. The guide counterbore on the lower wall; the guide shaft hole and the guide counterbore have the same axis; One end of a pressure spring is set in the counterbore at the bottom of a vertical moving shaft, and the other end is placed in the guiding counterbore; the lower end of the vertical moving shaft passes through the guiding shaft hole and the insertion groove, and is inserted into the guiding counterbore; the middle seat The arc-shaped card slot end is inserted into the socket slot, and the arc-shaped card slot fits with the vertical moving shaft; one screw passes through the connecting hole on the linear pulley seat and screwed with the radial screw hole in the middle of the vertical moving shaft; two The pulley is slidingly matched with the inner chute; the middle seat moves up and down in the insertion slot in the horizontal direction and rotates left and right in the insertion slot; the linear pulley seat rotates around the screw on the vertical moving axis; The outer connector includes a connecting plate, an angle bracket and an outer pulley support seat, and the outer pulley support seat has a horizontal side opening insertion groove, and the upper wall plate of the insertion groove has a guide shaft hole and a lower wall plate. The upper guide counterbore; the guide shaft hole and the guide counterbore have the same axis; One end of the other pressure spring is placed in the counterbore at the lower part of the other vertical moving shaft, and the other end is placed in the guiding counterbore, and the lower end of the vertical moving shaft passes through the guiding shaft hole and the insertion groove, and is inserted into the guiding counterbore; The arc-shaped card slot end is inserted into the socket slot, the arc-shaped card slot fits with the vertical moving shaft, a screw passes through the connecting hole on the linear pulley seat and screwed with the radial screw hole in the middle of the vertical moving shaft, and the linear The pulley seat rotates and cooperates around the screw on the vertical moving shaft; the two pulleys slide and cooperate with the outer chute, and the middle seat moves up and down and rotates left and right in the insertion groove in the horizontal direction. 2 . The lower track assembly for sliding doors according to claim 1 , wherein the inner connecting piece and the outer connecting piece are a profile. 3 .