CN217447348U

CN217447348U - Novel track pulley

Info

Publication number: CN217447348U
Application number: CN202220705711.9U
Authority: CN
Inventors: 蒲雄涛
Original assignee: Qingyuan Yueyou Home Furnishing Products Co ltd
Current assignee: Qingyuan Yueyou Home Furnishing Products Co ltd
Priority date: 2022-03-29
Filing date: 2022-03-29
Publication date: 2022-09-20
Anticipated expiration: 2032-03-29

Abstract

The utility model discloses a novel track pulley, include: the bracket is provided with a mounting hole; the rotary connecting piece is arranged in the mounting hole, and the middle part of the rotary connecting piece is provided with a shaft hole which penetrates from the first end face to the second end face; the connecting shaft penetrates through the shaft hole, and two ends of the connecting shaft are respectively connected with at least one roller. During installation, the rotating connecting piece is installed in the installation hole, the connecting shaft penetrates through the shaft hole, the two end portions of the connecting shaft are respectively exposed out of the shaft hole, and then the idler wheels are respectively installed at the two end portions of the connecting shaft, so that the idler wheels and the support can be rotatably connected. This gyro wheel formula as an organic whole among the novel track pulley sets up, direct mount to the connecting axle on to realize rotating through rotating the connecting piece, and rotate for smooth silence, the noise is little, and installation steps is simple, is favorable to improving production efficiency, reduces the human cost.

Description

Novel track pulley

Technical Field

The utility model relates to a (window) curtain track technical field especially relates to a novel track pulley.

Background

The curtain rail is a curtain accessory used for hanging a curtain so as to facilitate the opening and closing of the curtain and increase the attractive appearance of curtain cloth, and the curtain rail used at present mostly adopts a mode that a hook slides along a bracket or a roller slides in the rail to drive the curtain to open and close.

Referring to fig. 1, a curtain rail device in the prior art includes a bracket located in the middle, and roller assemblies located on both sides of the bracket, where the roller assemblies include a bearing, a steel ring, and a rubber coating, and the roller assemblies are arranged in such a manner as to reduce noise; but the defects are that the roller components need to be wrapped with rubber sleeves, riveted and steel rings, the assembly process is more, the production time is longer, and the labor cost is high.

In view of this, it is necessary to improve the curtain rail device in the prior art to solve the technical problems of many assembling processes and high cost of the bearing.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel track pulley solves above technical problem.

To achieve the purpose, the utility model adopts the following technical proposal:

a novel track pulley comprising:

the bracket is provided with a mounting hole;

the rotating connecting piece is arranged in the mounting hole, and the middle part of the rotating connecting piece is provided with a shaft hole which penetrates from the first end face to the second end face of the rotating connecting piece;

the connecting shaft penetrates through the shaft hole, and two ends of the connecting shaft are respectively connected with at least one roller.

Optionally, the rotary connecting piece comprises a plurality of balls;

the connecting shaft with be formed with between the mounting hole and be annular installation clearance, a plurality of the ball install in the installation clearance, make the connecting shaft with support rotatable coupling.

Optionally, a boss part is arranged on the roller on at least one side of the support;

the number of the boss parts is equal to that of the balls, and a limiting space for limiting the ball assembly is formed between every two adjacent boss parts.

Optionally, the rotary connecting piece is a bearing;

the connecting shaft comprises a shaft sleeve and a bolt shaft which are respectively connected with one roller, and the shaft sleeve is sleeved in the shaft hole;

one end part of the shaft sleeve, which is close to the bracket, is provided with a connecting hole, and the bolt shaft is inserted in the connecting hole.

Optionally, a gap groove is formed in one end face, close to the support, of the pin shaft, and the gap groove extends along the length direction of the pin shaft, so that the pin shaft is elastically inserted into the connecting hole.

Optionally, the rotary connecting piece is a bearing;

the connecting shaft comprises a first shaft part and a second shaft part, and the first shaft part and the second shaft part are respectively connected with two end faces of the bearing.

Optionally, an annular groove is formed in an end surface of the roller, which is close to the bracket, and the first shaft portion and the second shaft portion are respectively connected with the corresponding roller through the annular groove.

Optionally, a hook part for connecting the curtain is arranged at one end part of the bracket far away from the mounting hole.

Optionally, a limiting block is arranged on at least one end face of the support, and the limiting block is located between the mounting hole and the mounting hole.

Compared with the prior art, the utility model discloses following beneficial effect has: during installation, the rotating connecting piece is installed in the installation hole, the connecting shaft penetrates through the shaft hole, the two end portions of the connecting shaft are respectively exposed out of the shaft hole, and then the idler wheels are respectively installed at the two end portions of the connecting shaft, so that the idler wheels and the support can be rotatably connected. This gyro wheel formula as an organic whole among the novel track pulley sets up, direct mount to the connecting axle to realize rotating through rotating the connecting piece, installation steps is simple, is favorable to improving production efficiency, reduces the human cost.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

The structure, ratio, size and the like shown in the drawings of the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention does not have the substantial significance in the technology, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy which can be produced by the present invention and the achievable purpose.

FIG. 1 is a schematic view of a prior art curtain track assembly;

FIG. 2 is a schematic view of one of the specific construction modes of the novel track pulley;

FIG. 3 is a schematic view of a second embodiment of the novel track pulley;

FIG. 4 is a third embodiment of the track pulley of the present invention;

fig. 5 is a schematic view of the assembly structure of the novel rail pulley and the rail.

Illustration of the drawings: the connecting device comprises a bracket 1, a rotary connecting piece 2, a connecting shaft 3, a roller 4, a limiting block 5, a rail 6, a mounting hole 11, a hook part 12, a shaft hole 21, a ball 22, a shaft sleeve 31, a bolt shaft 32, a first shaft part 33, a second shaft part 34, a boss part 41, an annular groove 42, a connecting hole 311 and a notch groove 321.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. It should be noted that when one component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

The first embodiment is as follows:

as shown in fig. 2 to 5, the present invention provides a novel track pulley, including:

the device comprises a bracket 1, wherein a mounting hole 11 is formed in the bracket 1;

the rotary connecting piece 2 is arranged in the mounting hole 11, and the middle part of the rotary connecting piece 2 is provided with a shaft hole 21 which penetrates from the first end face to the second end face;

the connecting shaft 3 penetrates through the shaft hole 21, and two ends of the connecting shaft 3 are respectively connected with at least one roller 4. Either end of the connecting shaft 3 can be connected with a single roller 4 or a plurality of rollers 4 arranged side by side;

it should be noted that, the rotating connector 2 in the present embodiment includes a fixed portion and a rotating portion rotatably connected to the fixed portion;

the fixed part is arranged in the mounting hole 11, and the rotating part is connected with the connecting shaft 3; so that the connecting shaft 3 can be rotated relative to the holder 1.

The utility model discloses a theory of operation does: during installation, the rotating connecting piece 2 is installed in the installation hole 11, the connecting shaft 3 penetrates through the shaft hole 21, two end portions of the connecting shaft 3 are respectively exposed out of the shaft hole 21, and then the rollers 4 are respectively installed at two end portions of the connecting shaft 3, so that the rollers 4 can be rotatably connected with the bracket 1. Compare in the (window) curtain rail set among the prior art, 4 formula settings as an organic whole of gyro wheel in this novel track pulley, direct mount are in on the connecting axle 3, and pass through rotate connecting piece 2 and realize rotating, installation procedure is simple, is favorable to improving production efficiency, reduces the human cost.

In this embodiment, a hook 12 for connecting a curtain is disposed at an end of the bracket 1 away from the mounting hole 11. It should be noted that the hook portion 12 is circular, the arrangement mode in this scheme is that the hook portion is integrally arranged with the bracket 1, or a slot hole may be formed in the bracket 1, and the detachable connection of the hook portion 12 is realized through the slot hole.

Further, at least one end surface of the bracket 1 is provided with a limiting block 5, and the limiting block 5 is located between the mounting hole 11 and the mounting hole 11. Referring to fig. 4, a setting mode of the limiting block 5 is shown;

referring to fig. 5, it should be understood that, in general, when the novel track pulley is installed, the upper half portion (i.e., the half portion on which the roller 4 is installed) of the bracket 1 is installed in the track 6, and the lower half portion (i.e., the half portion on which the hook portion 12 is provided) is located outside the track 6, the upper half portion and the lower half portion of the bracket 1 are spaced apart by the limiting block 5, the limiting block 5 is located outside the track 6, and the width of the limiting block 5 is greater than the opening width of the track 6, so that the lower half portion of the bracket 1 can be effectively prevented from falling into the track 6.

Example two:

referring to fig. 2, in one specific structure of the present invention, the rotating connecting member 2 includes a plurality of balls 22;

an annular mounting gap is formed between the connecting shaft 3 and the mounting hole 11, and a plurality of balls 22 are mounted in the mounting gap, so that the connecting shaft 3 and the support 1 can be rotatably connected.

As a preferable scheme of this embodiment, a boss portion 41 is provided on the roller 4 on at least one side of the bracket 1;

the number of the boss parts 41 is equal to the number of the balls 22, and a limiting space for limiting the assembly of the balls 22 is formed between every two adjacent boss parts 41.

When the connecting device works, the balls 22 are respectively arranged in the mounting holes 11, the inner rings of the balls 22 form the shaft holes 21, the connecting shaft 3 is inserted between the inner rings of the balls 22, the connecting shaft 3 is rotatably connected with the bracket 1, the rollers 4 are respectively arranged at two end parts of the connecting shaft 3, the mounting steps are simple, and the working efficiency is high.

It should be noted that, the roller 4 of the present solution is provided with the boss portion 41, and the limiting space is formed between two adjacent boss portions 41; the boss portion 41 serves to separate the balls 22, so that noise generated by mutual collision between the balls 22 is avoided, thereby reducing noise and improving user experience.

Example three:

referring to fig. 3, in order to provide a second specific structure of the present invention, the rotating connecting member 2 is a bearing;

the connecting shaft 3 comprises a shaft sleeve 31 and a bolt shaft 32 which are respectively connected with one roller 4, and the shaft sleeve 31 is sleeved in the shaft hole 21;

one end of the shaft sleeve 31 close to the bracket 1 is provided with a connecting hole 311, and the latch shaft 32 is inserted into the connecting hole 311.

In this embodiment, a notched groove 321 is formed in one end surface of the latch shaft 32 close to the bracket 1, and the notched groove 321 extends along the length direction of the latch shaft 32, so that the latch shaft 32 is elastically inserted into the connection hole 311. Namely, the latch shaft 32 is divided into two shaft blocks by the notch 321, and the two shaft blocks can be elastically deformed, so that elastic insertion is realized.

The shaft sleeve 31 and the latch shaft 32 are respectively connected with one roller 4, when the roller is installed, the two rollers 4 are oppositely connected, the latch shaft 32 penetrates through the shaft hole 21 and is inserted into the connecting hole 311, so that the two rollers 4 are respectively installed on the bracket 1, the installation step is simple, the installation part is simple, and the operation is convenient.

Example four:

referring to fig. 4, in order to achieve the third specific structure of the present invention, the rotating connecting member 2 is a bearing;

the connecting shaft 3 includes a first shaft portion 33 and a second shaft portion 34, and the first shaft portion 33 and the second shaft portion 34 are connected to both end surfaces of the bearing, respectively.

In this embodiment, an annular groove 42 is opened on an end surface of the roller 4 close to the bracket 1, and the first shaft portion 33 and the second shaft portion 34 are respectively connected with the corresponding roller 4 through the annular groove 42.

It should be noted that the bearing in this embodiment and the connecting shaft 3 are integrally disposed, and during machining, the connecting shaft 3 is directly fixed to the inner ring of the bearing, that is, the connecting shaft 3 can rotate relative to the outer ring of the bearing.

During the installation, will the bearing (have connecting axle 3) install in the mounting hole 11, pass through two gyro wheels 4 respectively again the ring channel 42 with first axial region 33 with second axial region 34 is pegged graft, realizes gyro wheel 4 with the rotatable coupling of support 1, convenient and fast only needs two installation steps, and the user operation of being convenient for is favorable to improving work efficiency.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A novel track pulley, comprising:

the support comprises a support (1), wherein a mounting hole (11) is formed in the support (1);

the rotating connecting piece (2) is arranged in the mounting hole (11), and the middle part of the rotating connecting piece (2) is provided with a shaft hole (21) which penetrates from the first end face to the second end face;

the connecting shaft (3) penetrates through the shaft hole (21), and two ends of the connecting shaft (3) are respectively connected with at least one roller (4).

2. The new track pulley according to claim 1, characterized in that said rotating connection (2) comprises a plurality of balls (22);

an annular mounting gap is formed between the connecting shaft (3) and the mounting hole (11), and a plurality of balls (22) are mounted in the mounting gap, so that the connecting shaft (3) and the support (1) can be rotatably connected.

3. The new track pulley according to claim 2, characterized in that a boss (41) is provided on the roller (4) of at least one side of the support (1);

the number of the boss parts (41) is equal to that of the balls (22), and a limiting space for limiting the assembly of the balls (22) is formed between every two adjacent boss parts (41).

4. The new track pulley according to claim 1, characterized in that the rotating connection (2) is a bearing;

the connecting shaft (3) comprises a shaft sleeve (31) and a bolt shaft (32) which are respectively connected with the roller (4), and the shaft sleeve (31) is sleeved in the shaft hole (21);

one end part of the shaft sleeve (31) close to the support (1) is provided with a connecting hole (311), and the bolt shaft (32) is inserted into the connecting hole (311).

5. The novel track pulley as claimed in claim 4, wherein a notched groove (321) is formed in one end surface of the latch shaft (32) close to the bracket (1), and the notched groove (321) extends along the length direction of the latch shaft (32) so that the latch shaft (32) is elastically inserted into the connecting hole (311).

6. The new track pulley according to claim 1, characterized in that the rotating connection (2) is a bearing;

the connecting shaft (3) comprises a first shaft part (33) and a second shaft part (34), and the first shaft part (33) and the second shaft part (34) are respectively connected with two end faces of the bearing.

7. The novel track pulley according to claim 6, characterized in that an annular groove (42) is opened on one end surface of the roller (4) close to the bracket (1), and the first shaft portion (33) and the second shaft portion (34) are respectively connected with the corresponding roller (4) through the annular groove (42).

8. The novel track pulley according to claim 1, characterized in that the bracket (1) is provided with a hook portion (12) for connecting a curtain at an end portion thereof remote from the mounting hole (11).

9. The novel track pulley according to claim 8, characterized in that at least one end surface of the bracket (1) is provided with a limit block (5), and the limit block (5) is located between the mounting hole (11) and the hook part (12).