CN217380171U

CN217380171U - Upper pulley

Info

Publication number: CN217380171U
Application number: CN202220235049.5U
Authority: CN
Inventors: 蒋卫振; 聂二魁; 蒋森; 杨阳; 安冬至
Original assignee: Foshan Ougu Hardware Products Co ltd
Current assignee: Foshan Ougu Hardware Products Co ltd
Priority date: 2022-01-27
Filing date: 2022-01-27
Publication date: 2022-09-06
Anticipated expiration: 2032-01-27

Abstract

The utility model discloses an upper pulley, which is provided with an X direction, a Y direction and a Z direction which are mutually orthogonal, wherein the Z direction is parallel to the up-down direction; the upper pulley includes: a base; the length of the mounting piece is greater than the width of the base; the locking screw is connected with the base in a rotating mode, the locking screw is in threaded connection with the mounting piece, the locking screw is provided with a forward rotating direction, and when the locking screw rotates in the forward rotating direction, the mounting piece moves upwards in the Z direction. The upper pulley of this scheme need not to put into from the one end of mounting groove, removes the upper end central authorities to door and window afterwards to easy dismounting is favorable to improving the operating efficiency.

Description

Upper pulley

Technical Field

The utility model relates to an upper pulley technical field, especially an upper pulley.

Background

In aluminum alloy doors and windows, pulleys are usually used to reduce friction, so that the doors and windows can be opened and closed easily. The pulley is divided into an upper pulley and a lower pulley, the upper pulley is mainly used for realizing the guiding of the door and the window, and the lower pulley is mainly used for carrying out the loading.

In order to avoid directly using screw in aluminium alloy, the wholeness that leads to the aluminium alloy can cause the influence, the upper end of the aluminium alloy of current door and window is provided with the mounting groove that is used for installing the top sheave usually, and the lateral wall of top sheave then is provided with the spacing portion that is arranged in the card income mounting groove, the top sheave passes through the smooth screw of afterbody and is connected with door and window, this kind of top sheave need insert spacing portion from the tip of mounting groove when using, adjust suitable position with the pulley afterwards, the height of spacing portion of rotating screw regulation afterwards, make the up end of spacing portion and mounting groove support tightly, thereby fix the pulley. Such mounting means is troublesome and inconvenient to disassemble and assemble.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: an upper pulley is provided to solve one or more technical problems of the prior art, and to provide at least one useful choice or creation.

The utility model provides a solution of its technical problem is:

an upper pulley is provided with an X direction, a Y direction and a Z direction which are mutually orthogonal, wherein the Z direction is parallel to the up-down direction; the upper pulley includes:

a base;

the length of the mounting piece is greater than the width of the base;

the locking screw is connected with the base in a rotating mode, the locking screw is in threaded connection with the mounting piece, the locking screw is provided with a forward rotating direction, and when the locking screw rotates in the forward rotating direction, the mounting piece moves upwards in the Z direction.

Through the technical scheme, when the upper pulley is installed, the base, the installation sheet and the like can be directly placed in the groove of the aluminum profile of the door and window, then a worker rotates the locking screw, and before the installation sheet is not abutted against the side wall of the installation groove, the installation sheet can rotate along with the locking screw due to the thread friction force between the locking screw and the installation sheet; after the lateral wall of installation piece and the lateral wall butt of mounting groove, the installation piece is spacing by the lateral wall of mounting groove, and the installation piece can't continue to rotate, and the installation piece changes and upward movement along with locking screw's rotation, and the up end of installation piece and the top limit structure of mounting groove tightly butt, and the pulley installation finishes this moment.

The upper pulley of this scheme need not to put into from the one end of mounting groove, removes the upper end central authorities to door and window afterwards to easy dismounting is favorable to improving the operating efficiency.

As a further improvement of the above technical solution, the mounting piece is provided with an arc abutting portion, the arc abutting portion protrudes forward in the forward rotation direction, and a center of the arc abutting portion does not coincide with a rotation axis of the mounting piece.

Through above-mentioned technical scheme, to narrower mounting groove, rotate the in-process at the installation piece, cambered surface butt portion can with the lateral wall butt of mounting groove, reduced the contact of the lateral wall of edges and corners and mounting groove, can reduce the risk that the aluminium alloy damaged.

As a further improvement of the above technical solution, the mounting piece is provided with a planar abutting portion, the planar abutting portion and the arc abutting portion are in smooth transition, and the planar abutting portion is disposed behind the arc abutting portion in the forward rotation direction.

Through above-mentioned technical scheme, to the mounting groove of conventional width, the plane butt portion can increase the area of contact of installation piece and aluminium alloy with the lateral wall butt of mounting groove, reduces the pressure that produces between the two, reduces the risk that the aluminium alloy damaged.

As a further improvement of the technical scheme, the upper end face of the mounting piece is provided with anti-skidding grains.

Through above-mentioned technical scheme, the friction between multiplicable installation piece of antiskid line and the aluminium alloy makes the up end of installation piece support the difficult relative slip that takes place of back upper pulley with the mounting groove.

As a further improvement of the above technical solution, the base is adjustably connected with a pulley yoke, the pulley yoke is rotatably connected with the base, the pulley yoke is rotatably connected with at least two pulley bodies, and the at least two pulley bodies are arranged along the length direction of the pulley yoke.

Through the technical scheme, the pulley yoke can be respectively abutted with the side walls of the guide rail grooves of the window frame through adjustment of the two pulley bodies at the two ends, so that the door and the window can be guided.

As a further improvement of the above technical solution, the base is rotatably connected with an adjusting screw extending along the X direction, the base is connected with a pushing seat in a sliding manner, the pushing seat can slide along the X direction relative to the base, the pushing seat is in threaded connection with the adjusting screw, a rotary pushing structure is arranged between the pushing seat and the pulley frame, and the pushing seat and the pulley frame are linked through the rotary pushing structure.

Through the technical scheme, when the adjusting screw rotates, the pushing seat moves along the X direction relative to the base, and due to the linkage of the rotary pushing structure, the pulley frame and the base rotate relatively, so that the effect of adjusting the rotating angle of the pulley frame is achieved.

As a further improvement of the above technical solution, a guide structure is arranged between the base and the pushing seat, the guide structure includes a guide protrusion and a guide groove, the guide protrusion and the guide groove are respectively arranged on the base and the pushing seat, the length direction of the guide groove is parallel to the X direction, and the guide protrusion and the guide groove are connected in a sliding manner.

Through above-mentioned technical scheme, guide structure leads for base and promotion seat, takes place the skew when avoiding guide structure to move and influences the installation of upper pulley.

As a further improvement of the above technical solution, the rotary pushing structure includes a pushing groove and a pushing protrusion, the length direction of the pushing groove is inclined or arc-shaped relative to the X direction, the pushing groove and the pushing protrusion are respectively disposed on the pushing seat and the pulley frame, and the pushing groove is connected with the pushing protrusion in a sliding manner.

Through above-mentioned technical scheme, when promoting the seat and sliding, because promote the groove and promote bellied cooperation, the pulley yoke can be along with promoting the sliding of seat and rotate for the base.

As a further improvement of the above technical solution, the rotation pushing structure includes a connecting rod, two ends of the connecting rod are respectively hinged to the pushing seat and the pulley yoke, and the hinged position of the connecting rod and the pulley yoke is eccentrically disposed on the pulley yoke.

Through above-mentioned technical scheme, because connecting rod eccentric settings, when promoting the seat and sliding, the connecting rod can take place to rotate to drive the pulley yoke and can rotate for the base along with promoting the sliding of seat.

The utility model has the advantages that: the upper pulley of this scheme need not to put into from the one end of mounting groove, removes the upper end central authorities to door and window afterwards to easy dismounting is favorable to improving the operating efficiency.

The utility model is used for go up pulley technical field.

Drawings

In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures represent only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from these figures without inventive effort.

Fig. 1 is a schematic overall structure diagram of a first embodiment of the present invention;

fig. 2 is a schematic diagram of an explosion structure according to a first embodiment of the present invention;

fig. 3 is an exploded view of another angle according to the first embodiment of the present invention;

fig. 4 is a schematic top view of a second embodiment of the present invention;

fig. 5 is an explosion structure diagram of the second embodiment of the present invention.

In the figure, 100, base; 110. a guide groove; 200. mounting a sheet; 210. an arc surface abutting part; 220. a planar abutment; 300. a pushing seat; 310. a guide projection; 320. a push groove; 400. locking the screw; 500. a pulley yoke; 510. a pulley body; 520. pushing the protrusion; 600. an adjusting screw; 700. a connecting rod.

Detailed Description

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. In addition, all the coupling/connection relationships mentioned herein do not mean that the components are directly connected, but mean that a better coupling structure can be formed by adding or reducing coupling accessories according to specific implementation conditions. All technical characteristics in the invention can be interactively combined on the premise of not conflicting with each other.

The first embodiment is as follows:

referring to fig. 1 to 3, an upper sheave is provided with an X direction, a Y direction, and a Z direction orthogonal to each other, the Z direction being parallel to an up-down direction.

The upper pulley includes a base 100, a mounting plate 200, a push socket 300, and a locking screw 400.

The mounting piece 200 sets up in the below of base 100, and the lower extreme of locking screw 400 and the tank bottom butt of the mounting groove of aluminium alloy, locking screw 400 and mounting piece 200 threaded connection to the upper end of locking screw 400 is rotated with base 100 and is connected.

The locking screw 400 has a forward rotation direction, and when the locking screw 400 is rotated in the forward rotation direction, the mounting plate 200 moves upward in the Z-direction.

The length of the mounting piece 200 is greater than the width of the base 100. The upper end face of the mounting piece 200 is provided with anti-slip lines. The end of the mounting piece 200 is provided with an arc abutting part 210 and a plane abutting part 220, the arc abutting part 210 and the plane abutting part 220 are in smooth transition, and the arc abutting part 210 is arranged in front of the plane abutting part 220 in the forward rotation direction. The arc abutting portion 210 protrudes forward in the normal rotation direction, and the center of the arc abutting portion 210 does not coincide with the rotation axis of the attachment piece 200.

The pushing base 300 is slidably connected to the base 100 along the X direction, and an adjusting screw 600 extending along the X direction is rotatably connected to the base 100. Promote seat 300 and adjusting screw 600 threaded connection, it is equipped with guide structure to promote between seat 300 and the pulley yoke 500, guide structure includes guide protrusion 310 and guide way 110, guide protrusion 310 sets up in the lower terminal surface of promoting seat 300, and guide protrusion 310 is through punching press and promotion seat 300 integrated into one piece, guide way 110 is seted up in base 100, guide way 110 sets up the logical groove that runs through base 100 along upper and lower direction, the length direction of guide way 110 is on a parallel with the X direction, guide protrusion 310 sets up in guide way 110, and guide protrusion 310 slides with guide way 110 and is connected.

A rotary pushing structure is arranged between the pushing seat 300 and the pulley frame 500, the rotary pushing structure includes a pushing groove 320 and a pushing protrusion 520, and the length direction of the pushing groove 320 is inclined with respect to the X direction (in other embodiments, the pushing groove 320 may also be provided in an arc shape). The pushing groove 320 is disposed on the pushing base 300, and the pushing groove 320 penetrates through the pushing base 300 in the up-down direction. The pushing protrusion 520 is a cylindrical structure, and the pushing protrusion 520 is fixedly connected with the pulley frame 500 through interference fit. The portion of the push projection 520 protruding the pulley holder 500 is disposed in the push groove 320 and slidably coupled with the push groove 320. When the push base 300 moves relative to the base 100, the position of the push groove 320 changes, and the pulley holder 500 rotates due to the cooperation of the push protrusion 520 and the push groove 320, so that the distance between the two pulley bodies 510 of the pulley holder 500 in the Y direction is adjusted to fit the guide grooves 110 of different widths.

Example two:

referring to fig. 4 to 5, different from the first embodiment, in the present embodiment, the rotating and pushing structure includes a connecting rod 700, two ends of the connecting rod 700 are respectively hinged to the pushing seat 300 and the pulley frame 500, and the hinged portion of the connecting rod 700 and the pulley frame 500 is eccentrically disposed on the pulley frame 500.

While the preferred embodiments of the present invention have been described, the present invention is not limited to the above-described embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are to be included within the scope of the present invention defined by the claims.

Claims

1. An upper sheave, characterized by: an X direction, a Y direction and a Z direction which are mutually orthogonal are arranged, and the Z direction is parallel to the up-down direction; the upper pulley includes:

a base (100);

a mounting piece (200), the length of the mounting piece (200) being greater than the width of the base (100);

locking screw (400), locking screw (400) with base (100) rotate to be connected, locking screw (400) with installation piece (200) threaded connection, locking screw (400) are equipped with forward direction of rotation, locking screw (400) are followed when forward direction of rotation rotates, installation piece (200) are along Z direction upward movement.

2. An upper sheave as in claim 1 wherein: the installation piece (200) is provided with an arc-surface abutting part (210), the arc-surface abutting part (210) protrudes towards the front in the forward rotation direction, and the center of the arc-surface abutting part (210) is not coincident with the rotation axis of the installation piece (200).

3. An upper sheave as in claim 2 wherein: the installation piece (200) is provided with a plane abutting part (220), the plane abutting part (220) and the cambered surface abutting part (210) are in smooth transition, and the plane abutting part (220) is arranged behind the cambered surface abutting part (210) in the forward rotating direction.

4. An upper sheave as in claim 1 wherein: the upper end face of the mounting piece (200) is provided with anti-skid grains.

5. An upper sheave as in claim 1 wherein: the adjustable pulley yoke (500) that is connected with of base (100), pulley yoke (500) with base (100) rotate to be connected, pulley yoke (500) rotates to be connected with at least two pulley body (510), at least two pulley body (510) are along the length direction of pulley yoke (500) arranges.

6. An upper sheave as in claim 5 wherein: base (100) rotate be connected with adjusting screw (600) that extend along the X direction, base (100) slide and be connected with and push away seat (300), push away seat (300) can for base (100) slide along the X direction, push away seat (300) with adjusting screw (600) threaded connection, push away seat (300) with be equipped with rotatory promotion structure between pulley yoke (500), push away seat (300) with pulley yoke (500) pass through rotatory promotion structure linkage.

7. An upper sheave as claimed in claim 6 wherein: base (100) with be equipped with guide structure between promotion seat (300), guide structure includes direction arch (310) and guide way (110), direction arch (310) with guide way (110) set up respectively in base (100) with promote seat (300), the length direction of guide way (110) is on a parallel with the X direction, direction arch (310) with guide way (110) slide and connect.

8. An upper sheave as claimed in claim 6 wherein: the rotary pushing structure comprises a pushing groove (320) and a pushing protrusion (520), the length direction of the pushing groove (320) is inclined or arc-shaped relative to the X direction, the pushing groove (320) and the pushing protrusion (520) are respectively arranged on the pushing seat (300) and the pulley frame (500), and the pushing groove (320) is connected with the pushing protrusion (520) in a sliding mode.

9. An upper sheave as claimed in claim 6 wherein: the rotary pushing structure comprises a connecting rod (700), two ends of the connecting rod (700) are respectively hinged with the pushing seat (300) and the pulley yoke (500), and the hinged part of the connecting rod (700) and the pulley yoke (500) is eccentrically arranged on the pulley yoke (500).