CN209742588U

CN209742588U - Pulley component

Info

Publication number: CN209742588U
Application number: CN201822097460.7U
Authority: CN
Inventors: 林孝发; 林孝山; 刘启乔; 邓小清; 钟祥
Original assignee: Fujian Xihe Sanitary Ware Technology Co Ltd
Current assignee: Fujian Xihe Sanitary Ware Technology Co Ltd
Priority date: 2018-12-14
Filing date: 2018-12-14
Publication date: 2019-12-06
Anticipated expiration: 2028-12-14
Also published as: WO2020119035A1

Abstract

The utility model discloses a pulley assembly which is used for connecting a door leaf and enabling the door leaf to slide along a slide rail and comprises a spiral arm, a pulley, a fixed seat and a torsional spring; one end of the rotary arm is hinged with a pulley, and the other end of the rotary arm is hinged with the fixed seat; two ends of the torsion spring respectively act on the spiral arm and the fixed seat; the fixed seat is fixedly connected to the side face of the door leaf. By adopting the pulley assembly with the structure, the torsion spring applies force to the rotating arm, and the rotating arm swings to be converted into the movement of the pulley in the vertical direction, so that the size of the pulley assembly is reduced, the pulley assembly can be pre-installed on the door leaf, and the installation efficiency is improved.

Description

Pulley component

Technical Field

The utility model relates to a pulley equipment technical field, concretely relates to loose pulley assembly.

background

Under the scene of using as the shelves thing of door, cabinet door, shower room door or other similar objects, in order to improve space utilization efficiency, generally use the push-and-pull door that moves in the unilateral, this kind of push-and-pull door facial make-up is equipped with the pulley, installs the slide rail on the frame, can make the pulley move along the slide rail after installing the pulley in the slide rail, and then drives the door leaf and remove. The existing sliding door leaf is generally provided with two groups of pulleys at the top and the bottom, a pressure spring is usually arranged in the pulley at the bottom for convenient installation, but the pulley with the structure has larger volume and cannot be pre-installed on the door leaf due to the fact that the pressure spring needs a certain stroke for stretching, and the installation efficiency and simplicity are reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the above-mentioned defect or problem that exist among the background art, provide a loose pulley assembly to solve the great problem that leads to unable preinstallation and then reduce the installation effectiveness of current loose pulley assembly volume.

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

The first technical scheme is as follows: a pulley assembly is used for connecting a door leaf and enabling the door leaf to slide along a sliding rail and comprises a spiral arm, a pulley, a fixed seat and a torsion spring; one end of the rotary arm is hinged with a pulley, and the other end of the rotary arm is hinged with the fixed seat; two ends of the torsion spring respectively act on the spiral arm and the fixed seat; the fixed seat is fixedly connected to the side face of the door leaf.

on the basis of the first technical means, there is also a second technical means: the device also comprises a rotating shaft and a first knob; the fixed seat is provided with a shaft sleeve, and the shaft sleeve is used for penetrating through the door leaf; the pivot runs through and rotate connect in the axle sleeve, the one end and the radial arm of pivot are splines to be connected, and the other end splines with first knob and is connected.

On the basis of the first technical means, there is also a third technical means: the door hinge is characterized by further comprising a rotating shaft, a limiting piece and a second knob, wherein a shaft sleeve is arranged on the fixed seat and is used for penetrating through the door leaf; the rotating shaft penetrates through and is rotatably connected with the shaft sleeve, one end of the rotating shaft is in rotation stopping connection with the rotating arm, and the other end of the rotating shaft is in rotation stopping connection with the second knob; the limiting part is fixedly connected to the fixed seat, one of the limiting part or the second knob is provided with a limiting bulge, and the other one of the limiting part or the second knob is provided with a groove for enabling the second knob to rotate by a preset angle.

On the basis of the second and third technical solutions, further, the fixing seat includes a shaft sleeve and a locking member, the shaft sleeve is disposed on the shaft sleeve, and the locking member is screwed with the shaft sleeve after the shaft sleeve penetrates through the door leaf.

Furthermore, a rotation stopping protrusion is arranged on the shaft sleeve and used for being connected with the door leaf in a rotation stopping mode after the shaft sleeve penetrates through the door leaf.

Further, be equipped with first jack on the spiral arm, the axle sleeve inside wall is equipped with the second jack, the torsional spring cover is located pivot and both ends and is inserted first jack and second jack respectively.

Furthermore, a step hole is formed in the shaft sleeve, the rotating shaft is provided with a step seat matched with the step hole, and the step hole and the step seat are matched to limit the movement of the rotating shaft towards the position of the rotating arm; one end of the rotating shaft is in threaded connection with the spiral arm.

Furthermore, an inserting groove is formed in one end, connected with the first knob or the second knob in a rotation stopping mode, of the rotating shaft, a connecting plug matched with the inserting groove is arranged on the first knob or the second knob, and the inserting groove and the connecting plug are matched in a rotation stopping mode.

As can be seen from the above description of the present invention, compared with the prior art, the present invention has the following advantages:

1. through the torsional spring to the spiral arm application of force, the spiral arm swing turns into the removal of the vertical direction of pulley, makes loose pulley assembly's volume reduce, can install in advance to the door leaf on, has improved the installation effectiveness.

2. The shaft sleeve penetrates through the door leaf, and the swing of the spiral arm is controlled by the first knob through the rotating shaft on one side of the door leaf, so that the installation and the disassembly are convenient.

3. The limiting part is arranged, the second knob can only rotate within a certain angle range, the swing range of the spiral arm is controlled, the moving range of the pulley is further controlled, when the second knob is clamped with the limiting part, the pulley is not easy to deviate from the sliding rail, the stability of the pulley in the sliding rail is improved, and meanwhile, the pulley can easily pass through the preset moving range when the pulley touches a foreign body in the sliding rail.

4. the fixing seat comprises a shaft sleeve and a locking piece, wherein the locking piece is fixedly connected with the shaft sleeve in a threaded manner after the shaft sleeve of the shaft sleeve penetrates through the door leaf, so that the pulley assembly is fixedly connected to the door leaf.

5. The shaft sleeve is provided with a rotation stopping bulge which is matched with the door leaf to ensure that the fixed seat can not rotate along with the rotation of the first knob or the second knob when being fixed on the door leaf.

6. The first jack and the second jack for installing the torsion spring are arranged on the swing arm and the shaft sleeve to fix the torsion spring.

7. The shaft sleeve and the rotating shaft are provided with a step hole and a step seat which are matched, and one end of the rotating shaft is in threaded connection with the spiral arm, so that the rotating shaft cannot slide relative to the shaft sleeve after penetrating through the shaft sleeve, and the overall stability of the pulley assembly is kept.

8. The plug connector and the plug groove are arranged, and the rotating shaft is connected with the first knob or the second knob in a plug-in mode in a rotation stopping mode, so that the first knob or the second knob can be conveniently detached or installed.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

fig. 1 is a schematic structural diagram 1 according to a first embodiment of the present invention;

FIG. 2 is a schematic structural diagram 2 of the first embodiment in FIG. 1;

Fig. 3 is a schematic structural diagram of a second embodiment of the present invention;

FIG. 4 is a schematic structural view of the shaft sleeve, the first fastener and the first knob of FIG. 3;

Fig. 5 is a schematic structural diagram of a third embodiment of the present invention;

fig. 6 is a schematic structural view of the shaft sleeve, the limiting member, the second fastening member and the second knob in fig. 5.

Description of the main reference numerals:

1. A swing arm; 11. a first jack; 2. a pulley; 3. a torsion spring; 41. a shaft assembly; 411. a shaft sleeve; 412. hinging a shaft; 413. a second jack; 42. a locking member; 421. a screw; 43. a rear cover; 5. a rotating shaft; 51. inserting grooves; 61. a first knob; 62. a second knob; 63. a plug-in connector; 64. a limiting bulge; 7. a limiting member; 71. a groove; 8. and a rotation stopping protrusion.

Detailed Description

the technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are preferred embodiments of the invention and should not be considered as excluding other embodiments. Based on the embodiment of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention.

In the claims, the specification and the drawings, unless otherwise expressly limited, the terms "first," "second," or "third," etc. are used for distinguishing between different elements and not for describing a particular sequence.

In the claims, the specification and the drawings, unless otherwise expressly limited, all directional or positional relationships, such as those using the terms "center," "lateral," "longitudinal," "horizontal," "vertical," "top," "bottom," "inner," "outer," "upper," "lower," "front," "rear," "left," "right," "clockwise," "counterclockwise," and the like, are based on the directional or positional relationships illustrated in the drawings and are for the purpose of convenience in describing the invention and simplifying the description, but do not indicate or imply that the device or element so referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore are not to be construed as limiting the scope of the invention.

In the claims, the description and the drawings of the present application, unless otherwise expressly limited, the term "fixedly connected" or "fixedly connected" is used, which is to be understood broadly, that is, any connection mode without displacement relation or relative rotation relation between the two, that is, including non-detachably fixed connection, integrated connection and fixed connection through other devices or elements.

In the claims, the specification and the drawings, the terms "including", "comprising" and variations thereof, if used, are intended to be inclusive and not limiting.

Referring to fig. 1 and 2, fig. 1 and 2 show a schematic structural diagram of a first embodiment of the present invention, which includes a swing arm 1, a pulley 2, a torsion spring 3 and a fixing seat.

The fixing seat comprises a shaft sleeve 41, a locking member 42 and a cover body 43, wherein a shaft sleeve 411 is arranged on the shaft sleeve 41, a hinge shaft 412 is inserted in the shaft sleeve 411, the hinge shaft 412 is in rotation stopping connection with the shaft sleeve 411, a threaded hole is formed in the center of the hinge shaft 412, a screw 421 is screwed on the hinge shaft 412 and fixedly connects the locking member 42 with the shaft sleeve 41, and the cover body 43 is sleeved on the locking member 42; the torsion spring 3 is sleeved on the hinge shaft 412, and two ends of the torsion spring 3 are respectively inserted into the first insertion hole 11 on the swing arm 1 and the second insertion hole 413 on the shaft sleeve member 41; one end of the swing arm 1 is rotatably connected to the shaft sleeve 41 through a hinge shaft 412, and the other end of the swing arm 1 is hinged with a pulley 2.

The shaft sleeve 411 of the shaft sleeve 41 penetrates through the door leaf, and the fixing seat is integrally fixed on the door leaf in a mode that the locking piece 42 is locked with the shaft sleeve 41.

Referring to fig. 3, fig. 3 shows a schematic structural diagram of a second embodiment of the present invention, which includes a swing arm 1, a pulley 2, a torsion spring 3, a fixing seat, a rotating shaft 5 and a first knob 61.

The fixing seat comprises a shaft sleeve 41 and a locking part 42, wherein the shaft sleeve 411 is arranged on the shaft sleeve 41, a thread is arranged on the shaft sleeve 411, the locking part 42 is a circular ring with a thread on the inner side wall, and the locking part 42 is fixed with the shaft sleeve 411 in a threaded manner; the shaft sleeve 41 is further provided with a rotation stopping protrusion 8, the shaft sleeve 411 penetrates through the door leaf, and the rotation stopping protrusion 8 is matched with a notch on the door leaf, so that the shaft sleeve 41 is fixedly connected to the door leaf in a rotation stopping manner, and the locking piece 42 reinforces the fixed seat from the other side of the door leaf.

A rotating shaft 5 is inserted into the shaft sleeve 411, the rotating shaft 5 is rotatably connected with the shaft sleeve 41, a stepped hole is formed inside the shaft sleeve 411, the rotating shaft 5 is provided with a stepped seat matched with the stepped hole, and the rotating shaft 5 is limited not to move in the axial direction of the shaft sleeve towards the radial arm when inserted into the shaft sleeve 411; the rotating shaft 5 is hollow in the axial direction, threads are arranged in the rotating shaft, a through hole is formed in one end of the rotating arm 1, and a bolt penetrates through the through hole to be in threaded connection with the rotating shaft 5 so as to fixedly connect the rotating arm 1 and the rotating shaft 5; the other end of the rotating shaft 5 is provided with a plug-in slot 51, as shown in fig. 4, a plug-in connector 63 is arranged on the inner bottom surface of the first knob 61, and the plug-in connector 63 is matched with the plug-in slot 51 and stops rotating after the two are plugged in.

The inner side wall of the shaft sleeve 411 is provided with a second jack 413, the swing arm 1 is provided with a first jack 11, the torsion spring 3 is sleeved on the rotating shaft 5, and two ends of the torsion spring are respectively inserted into the first jack 11 and the second jack 413.

The first knob 61 is provided with a rib on the inner side wall thereof, the locking member 42 is also provided with a rib on the outer circumferential edge thereof, the first knob 61 is sleeved on the locking member 42 and can rotate at the same time by the mutual clamping of the rib and the locking member, and the plug-in connector 63 is plugged with the plug-in groove 51 when the first knob 61 is sleeved on the locking member 42.

one end of the radial arm 1 is hinged with a pulley 2.

Referring to fig. 5, fig. 5 shows a schematic structural diagram of a third embodiment of the present invention, which is different from the second embodiment in that the present invention further includes a limiting member 7 and a second knob 62.

The limiting member 7 is of a circular ring structure, a plurality of grooves 71 are uniformly formed in the outer periphery of the limiting member 7, a rotation stopping protrusion 8 is arranged on the side wall of the limiting member, the limiting member 7 is sleeved on the shaft sleeve 411 and located between the door leaf and the locking member 42, and the rotation stopping protrusion 8 on the limiting member 7 is matched with a notch on the door leaf.

As shown in fig. 6, compared with the embodiment, the second knob 62 replaces the first knob 61, the inner side wall of the second knob 62 is uniformly provided with the limiting protrusions 64, when the second knob 62 is sleeved on the locking member 42, the limiting protrusions 64 are inserted into the grooves 71, and the distance between the two end portions of the grooves 72 is greater than the width of the limiting protrusions 81, so that the second knob 62 can rotate within a certain range, in this embodiment, the second knob 62 can rotate within a range of 5 ° after being inserted into the limiting member 7.

The assembly process of the pulley assembly provided by the first embodiment is as follows: the pulley 2 is hinged to one end of the swing arm 1, then the hinge shaft 412 penetrates through one end of the swing arm 1, after the torsion spring 3 is sleeved on the hinge shaft 412, the hinge shaft 412 is inserted into the shaft sleeve 411, meanwhile, two ends of the torsion spring 3 are respectively inserted into the first insertion hole 11 and the second insertion hole 413, then the shaft sleeve 41 penetrates through an opening on the door leaf, the locking piece 42 is screwed with the hinge shaft 412 through the screw 421, the fixed seat is fixed to the door leaf, and finally the cover body 43 covers the locking piece 42.

The assembly process of the pulley assembly provided by the second embodiment is as follows: the pulley 2 is hinged to one end of the rotary arm 1, the rotary shaft 5 is inserted into the shaft sleeve 411, the torsion spring 3 is sleeved on the rotary shaft 5, one end of the torsion spring 3 is inserted into the second shaft hole 413, one end of the rotary arm 1 is fixedly connected with one end of the rotary shaft 5 through a bolt, one end of the torsion spring 3 is inserted into the first shaft hole 11, the shaft sleeve 41 penetrates through an opening in the door leaf, the locking piece 42 is fixed to the shaft sleeve 41 in a threaded connection mode, the fixing seat is fixed to the door leaf, and finally the plug-in connector 63 on the first knob 61 is aligned to the plug-in groove 51 on the rotary shaft 5 and then sleeved on the locking piece 42.

The assembly process of the pulley assembly provided in the third embodiment is different from the assembly process of the pulley assembly provided in the second embodiment in that after the shaft sleeve 41 penetrates through the opening on the door leaf, the limiting member 7 is sleeved on the shaft sleeve 411, the rotation stopping protrusion 8 on the limiting member 7 is matched with the notch on the door leaf, then the locking member 42 is screwed and fixed with the shaft sleeve member 41, the door leaf is fixed while the door leaf is fixed, finally, the plug-in connector 63 on the second knob 62 is aligned with the plug-in groove 51 on the rotating shaft 5, then the second knob 62 is sleeved on the locking member 42, and meanwhile, the limiting protrusion 64 is matched with the groove 71.

When the pulley assembly is used specifically, after the pulley assembly is pre-installed on a door leaf, in the actual installation process, the pulley 2 is only required to be pressed to a proper position, the swing arm 1 swings, the torsion spring 3 stores potential energy, the pulley 2 is clamped into the sliding rail, the pulley 2 is loosened, and the pulley 2 bounces under the action of the torsion spring 3 to prop against the top of the sliding rail, so that installation can be completed. The pulley assembly provided by the embodiment only needs to press the pulley 2 to a proper position and clamp the pulley into the sliding rail in the installation process, the installation method is simple and convenient, and the installation efficiency is improved.

The pulley assembly provided by the second embodiment is different from the pulley assembly provided by the first embodiment in that the pulley assembly does not need to be pressed in the installation process, and only the first knob 61 needs to be rotated to drive the rotating shaft 5 to rotate so as to drive the swing arm 1 to swing, so that the pulley 2 descends to a proper position, then the pulley 2 is clamped into the sliding rail, the first knob 61 is loosened, and the pulley 2 bounces up to prop against the top of the sliding rail under the action of the torsion spring 3, so that the installation can be completed. The pulley assembly provided by the embodiment can enable the pulley 2 to descend to a proper position through the action of the first knob 61 in the installation process, can be operated on the outer side of the door leaf, avoids the problem that the pulley 2 is too close to the sliding rail or the door leaf to cause difficulty in operation, and further improves the installation efficiency.

The pulley assembly provided in the third embodiment is different from the pulley assembly provided in the first embodiment in that the second knob 62 needs to be detached before installation, the pulley 2 needs to be pressed to a proper position, the pulley 2 needs to be clamped in the sliding rail, the pulley 2 is loosened to bounce the pulley 2, and the second knob 62 is installed on the limiting member 7. The pulley assembly provided in this embodiment can limit the swing range of the swing arm 1 after the second knob 62 is mounted on the limiting member 7, so as to limit the moving range of the pulley, and prevent the pulley from coming off the slide rail.

The utility model provides a loose pulley assembly, except foretell advantage, its volume of loose pulley assembly that its adopted structure compares is littleer, makes it can install on door page or leaf in advance to make things convenient for the installation of reality, set up the pulley in the side of door page or leaf simultaneously, can make the pulley can be sheltered from by door page or leaf and hide in block to slide rail back, improve loose pulley assembly's whole pleasing to the eye degree.

The description of the above specification and examples is intended to illustrate the scope of the invention, but should not be construed as limiting the scope of the invention. Modifications, equivalents and other improvements which may be made to the embodiments of the invention or to some of the technical features thereof by a person of ordinary skill in the art through logical analysis, reasoning or limited experimentation in light of the above teachings of the invention or the above embodiments are intended to be included within the scope of the invention.

Claims

1. A pulley assembly is used for connecting a door leaf and enabling the door leaf to slide along a sliding rail and is characterized by comprising a spiral arm, a pulley, a fixed seat and a torsion spring;

One end of the rotary arm is hinged with a pulley, and the other end of the rotary arm is hinged with the fixed seat; two ends of the torsion spring respectively act on the spiral arm and the fixed seat; the fixed seat is fixedly connected to the side face of the door leaf.

2. The sheave assembly of claim 1, further comprising a shaft and a first knob; the fixed seat is provided with a shaft sleeve, and the shaft sleeve is used for penetrating through the door leaf; the pivot runs through and rotate connect in the axle sleeve, the one end and the radial arm of pivot are splines to be connected, and the other end splines with first knob and is connected.

3. The pulley assembly according to claim 1, further comprising a rotating shaft, a limiting member and a second knob, wherein the fixing base is provided with a shaft sleeve, and the shaft sleeve is used for penetrating through the door leaf; the rotating shaft penetrates through and is rotatably connected with the shaft sleeve, one end of the rotating shaft is in rotation stopping connection with the rotating arm, and the other end of the rotating shaft is in rotation stopping connection with the second knob; the limiting part is fixedly connected to the fixed seat, one of the limiting part or the second knob is provided with a limiting bulge, and the other one of the limiting part or the second knob is provided with a groove for enabling the second knob to rotate by a preset angle.

4. The pulley assembly according to claim 2 or 3, wherein the fixing base includes a sleeve member and a locking member, the sleeve member is disposed on the sleeve member, and the locking member is threadedly engaged with the sleeve member after the sleeve member penetrates the door leaf.

5. The pulley assembly according to claim 4, wherein the sleeve member is provided with a rotation stop protrusion for stopping rotation of the door leaf after the sleeve member penetrates the door leaf.

6. The pulley assembly according to claim 5, wherein the radial arm has a first insertion hole, the inner sidewall of the sleeve has a second insertion hole, and the torsion spring is sleeved on the rotating shaft and has two ends inserted into the first insertion hole and the second insertion hole, respectively.

7. The pulley assembly according to claim 6, wherein the interior of the sleeve is a stepped bore, the shaft having a stepped seat that mates with the stepped bore, the stepped bore and the stepped seat cooperating to limit movement of the shaft toward the radial arm position; one end of the rotating shaft is in threaded connection with the spiral arm.

8. The pulley assembly according to claim 7, wherein an insertion groove is formed at an end of the rotation shaft connected with the first knob or the second knob in a rotation stopping manner, an insertion connector matched with the insertion groove is formed on the first knob or the second knob, and the insertion groove is matched with the insertion connector in a rotation stopping manner.