CN213063281U

CN213063281U - Adjustable door and window pulley

Info

Publication number: CN213063281U
Application number: CN202021525338.6U
Authority: CN
Inventors: 刘照泉
Original assignee: Foshan Xiequan Hardware Technology Co ltd
Current assignee: Foshan Xiequan Hardware Technology Co ltd
Priority date: 2020-07-28
Filing date: 2020-07-28
Publication date: 2021-04-27
Anticipated expiration: 2030-07-28

Abstract

The utility model discloses an adjustable type door and window pulley, it includes shell, pulley splint and pulley adjusting part. The pulley clamping plate is fixedly installed in the inner cavity of the shell through rivets, and the pulley adjusting assembly comprises a pair of pulleys, a bracket, an adjusting bolt, a locking nut and a base; when the adjustable door and window pulley is installed, the installation height of the bracket on the shell can be changed by rotating the adjusting bolt according to the installation requirement, namely the installation height of the pulley is changed, and after the installation height of the pulley is adjusted to a proper position, the whole pulley adjusting assembly is fixedly installed on the pulley clamping plate to complete the installation work; in the use, when the adjustment that needs carry out the correspondence to the mounting height of pulley, can at first demolish whole pulley adjusting part, through rotatory adjusting bolt afterwards for the pulley is in behind the suitable high position, carries out the integral erection again, and then can guarantee the normal use of pulley.

Description

Adjustable door and window pulley

Technical Field

The utility model relates to a door and window accessory technical field, concretely relates to adjustable type door and window pulley.

Background

The movable sliding door is a common household door, and can be pushed to open or close according to needs in use. The pulley is the most important hardware part in the push-and-pull door, and it adopts corresponding fixed mode direct mount to fix the use on the shell intermediate position generally. The sliding door needs to be matched with the guide rail through the pulley in the using process, the sliding door is used frequently, and the weight of the door can directly act on the pulley in the using process, so that the mounting precision between the pulley and the guide rail needs to be ensured, and the stability and the matching precision in the using process are ensured; however, the existing pulley is generally directly fixed on the shell, and the installation height of the existing pulley in the vertical direction cannot be adjusted, so that the defects that the matching between the pulley and the guide rail is unstable in the early installation process and the guide rail is deformed and the installation height of the pulley cannot be adjusted in time in the later use process may exist.

Disclosure of Invention

To the defect that exists among the prior art, the utility model aims to provide an adjustable type door and window pulley, its mounting height that can use the adjusting pulley according to the installation of this adjustable type door and window pulley guarantees the normal use of door and window pulley.

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

the utility model provides an adjustable type door and window pulley, adjustable type door and window pulley includes shell and pulley splint, adjustable type door and window pulley still includes:

pulley adjusting part, pulley adjusting part includes a pair of pulley, support, adjusting bolt, lock nut and base, and is a pair of the pulley rotates respectively to be installed the top both ends department of support, adjusting bolt includes screw thread portion and bolt head, the top of screw thread portion with the support bottom is fixed to be continuous, adjusting bolt is vertical to be rotated and to be installed on the support, the bolt head is located support bottom one side, support fixed mounting is in on the pulley splint inner chamber bottom, wherein lock nut welded fastening is in pulley splint inner chamber department, adjusting bolt with lock nut constitutes the screw thread and links to each other.

In some embodiments, the base comprises an upper connecting plate, a lower connecting plate and a locking assembly, wherein the lower connecting plate comprises a flat lower connecting plate body, mounting holes arranged at two ends of the lower connecting plate body and a lower connecting hole with a semicircular cross section arranged at the middle position of the lower connecting plate body; the upper connecting plate comprises an upper connecting plate body and an upper connecting hole, the cross section of the upper connecting plate is semicircular, the upper connecting plate and the lower connecting plate are tightly connected together through the locking assembly, and the upper connecting hole and the lower connecting hole are matched to form a connecting hole which is rotatably connected with the adjusting bolt.

In some embodiments, the locking assembly includes pin holes and mounting holes respectively provided at both sides of the upper connecting plate body, and pins and connection screws provided on the lower connecting plate body, and the upper connecting plate body and the lower connecting plate body are fastened and connected by the pins and the connection screws.

In some embodiments, the lower connecting plate body is further formed with an upwardly concave groove at a middle portion of a bottom end thereof, wherein the bolt head is mounted in the groove.

In some embodiments, the adjustable door and window pulley further comprises an anti-wear member fixedly mounted on the pulley clamping plate, the anti-wear member is mounted between the pair of pulleys, and a groove in sliding fit with the guide rail is formed in the top end face of the anti-wear member.

Compared with the prior art, the scheme has the beneficial technical effects that: according to the adjustable door and window pulley, the pulley adjusting assembly is arranged, the adjusting bolt is arranged at the bottom end of the bracket for mounting the pulley, during mounting, the mounting height of the bracket on the shell can be changed by rotating the adjusting bolt according to mounting requirements, namely, the mounting height of the pulley is changed, and after the mounting height of the pulley is adjusted to a proper position, the whole pulley adjusting assembly is fixedly mounted on the pulley clamping plate to complete mounting work; in the using process, when the mounting height of the pulley needs to be correspondingly adjusted, the whole pulley adjusting assembly can be firstly disassembled, and then the pulley is integrally mounted after being positioned at a proper height position by rotating the adjusting bolt, so that the normal use of the pulley can be ensured; therefore, the pulley adjusting assembly is arranged, so that the pulley can be flexibly adjusted according to needs, and the normal use of the pulley is guaranteed.

Drawings

Fig. 1 is a schematic view of the adjustable door/window pulley structure of the present invention.

Fig. 2 is a schematic view of a three-dimensional structure of the pulley adjusting assembly of the present invention.

Fig. 3 is the pulley adjusting assembly of the present invention, which is assembled and disassembled.

The reference numerals in the figures illustrate:

100-adjustable door and window pulley, 1-shell, 2-pulley clamping plate, 3-rivet, 4-pulley adjusting component, 41-pulley, 42-anti-abrasion piece, 421-groove, 43-bracket, 44-lower connecting plate, 441-lower connecting plate body, 442-groove, 443-mounting hole, 444-lower connecting hole, 45-adjusting bolt, 451-threaded part, 452-locking nut, 453-bolt head, 46-pin, 47-connecting screw, 48-upper connecting plate, 481-upper connecting plate body, 482-pin hole and 483-upper connecting hole.

Detailed Description

The present invention will be described in further detail with reference to the drawings and the following detailed description.

Referring to fig. 1 to 3, an adjustable door window pulley 100 according to the present embodiment includes a housing 1, a pulley holder 2, and a pulley adjusting assembly 4. The pulley clamping plate 2 is fixedly installed in the inner cavity of the shell 1 through the rivet 3, the pulley adjusting assembly 4 comprises a pair of pulleys 41, a bracket 43, an adjusting bolt 45, a locking nut 452 and a base, and the pair of pulleys 41 are respectively rotatably installed at two ends of the top of the bracket 43 and are used for sliding with a door and window guide rail. The adjusting bolt 45 includes a threaded portion 451 and a bolt head 453, wherein the top end of the threaded portion 451 is fixedly connected to the bottom end of the bracket 43, so that the bracket 43 can be moved up and down by the up and down movement of the threaded portion 451. The adjusting bolt 45 is vertically and rotatably installed on the support 43, the bolt head 453 is located on one side of the bottom end of the support 43, the support 43 is fixedly installed at the bottom end of the inner cavity of the pulley clamping plate 2, the locking nut 452 is fixedly welded at the inner cavity of the pulley clamping plate 2, and the adjusting bolt 45 is in threaded connection with the locking nut 452. During installation, the installation height of the bracket 43 on the shell 1 can be changed by rotating the adjusting bolt 45 according to installation requirements, namely the installation height of the pulley 41 is changed, and after the installation height of the pulley 41 is adjusted to a proper position, the whole pulley adjusting assembly 4 is fixedly installed on the pulley clamping plate 2 to complete installation work; in the use, when the mounting height of the pulley 41 needs to be correspondingly adjusted, the whole pulley adjusting assembly 4 can be firstly detached, and then the pulley 41 is integrally mounted after being positioned at a proper height position by rotating the adjusting bolt 45, so that the normal use of the pulley 41 can be ensured.

In some embodiments, the base includes an upper connection plate 48, a lower connection plate 44, and a locking assembly, and the lower connection plate 44 includes a flat-plate-shaped lower connection plate body 441, mounting holes 443 provided at both ends of the lower connection plate body 441, and a lower connection hole 444 having a semicircular cross section provided at a middle position of the lower connection plate body 441; the upper connecting plate 48 comprises an upper connecting plate body 481 and an upper connecting hole 483 which is arranged in the middle of the upper connecting plate body 481 and has a semicircular cross section, wherein the upper connecting plate 48 and the lower connecting plate 44 are clamped and connected together through a locking assembly, and the upper connecting hole 483 and the lower connecting hole 444 are matched to form a connecting hole for forming rotary connection with the adjusting bolt 45.

In some embodiments, the locking assembly includes pin holes 482 and mounting holes provided at both sides of the upper connection plate body 481, respectively, and a pin 46 and a connection screw 47 provided on the lower connection plate body 441, and the upper connection plate body 481 and the lower connection plate body 441 are fastened by the pin 46 and the connection screw 47.

In some embodiments, the lower connecting plate body 441 is further formed with an upwardly concave groove 442 at a middle portion of a bottom end thereof, a bolt head 453 is installed in the groove 442, and the groove 442 is provided to facilitate a user to adjust the locking bolt, thereby providing a larger operation space.

In some embodiments, the adjustable door/window pulley 100 further includes an anti-wear member fixedly mounted on the pulley clamp plate 2, the anti-wear member is mounted between the pair of pulleys, wherein the top end surface of the anti-wear member is provided with a groove 421 slidably engaged with the guide rail, the groove 421 is made of an anti-wear material, for example, a rubber material, and the anti-wear member is configured to share the pressure of the door/window on the pulleys, so as to increase the service life.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalent technologies, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides an adjustable type door and window pulley, adjustable type door and window pulley includes shell and pulley splint, its characterized in that, adjustable type door and window pulley still includes:

2. The adjustable door and window pulley according to claim 1, wherein the base comprises an upper connecting plate, a lower connecting plate and a locking assembly, the lower connecting plate comprises a flat lower connecting plate body, mounting holes arranged at two ends of the lower connecting plate body and a lower connecting hole with a semicircular cross section arranged at the middle position of the lower connecting plate body; the upper connecting plate comprises an upper connecting plate body and an upper connecting hole, the cross section of the upper connecting plate is semicircular, the upper connecting plate and the lower connecting plate are tightly connected together through the locking assembly, and the upper connecting hole and the lower connecting hole are matched to form a connecting hole which is rotatably connected with the adjusting bolt.

3. The adjustable door and window pulley according to claim 2, wherein the locking assembly comprises pin holes and mounting holes respectively disposed at two sides of the upper connecting plate body, and pins and connecting screws disposed on the lower connecting plate body, and the upper connecting plate body and the lower connecting plate body are fastened and connected by the pins and the connecting screws.

4. The adjustable door and window pulley according to claim 2 or 3, wherein the lower connecting plate body is further formed with an upwardly concave groove at a middle portion of a bottom end thereof, wherein the bolt head is installed in the groove.

5. The adjustable door and window pulley of claim 1, further comprising an anti-wear member fixedly mounted on the pulley clamp plate, the anti-wear member being mounted between the pair of pulleys, wherein a top end surface of the anti-wear member is provided with a groove slidably engaged with the guide rail.