CN210977011U

CN210977011U - Pulley height adjusting mechanism

Info

Publication number: CN210977011U
Application number: CN201921157239.4U
Authority: CN
Inventors: 黄地根
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-23
Filing date: 2019-07-23
Publication date: 2020-07-10
Anticipated expiration: 2029-07-23

Abstract

The utility model discloses a pulley height adjusting mechanism, including shell, assembly pulley and screw mounting, the shell includes the main casing body, first pulling groove and second pulling groove, the second pulling groove has all transversely been seted up at the front and the back of shell, all be equipped with the main casing body on the left shell in second pulling groove, run through in the second pulling groove and install the second screw, run through in the first pulling groove and install first screw, the assembly pulley has been placed to the inboard of shell. This pulley height adjustment mechanism only needs to rotate the pulling bolt through being provided with assembly pulley and screw mounting, can make the height of assembly pulley adjust, when the installation is used, can adjust the height of assembly pulley according to orbital particular case to make the rolling pulley can double round and the laminating of track all the time, reduced the atress of single rolling pulley, improved the life of rolling pulley, simultaneously, this mechanism overall structure is simple, reasonable in design, consequently, the production of being convenient for is promoted.

Description

Pulley height adjusting mechanism

Technical Field

The utility model relates to a sliding door technical field specifically is a pulley height adjusting mechanism.

Background

The sliding door and window has the advantages of no indoor space occupation, beautiful appearance, economic price and better sealing property. The opening is flexible by slightly pushing. The large glass block is matched, so that the indoor lighting is increased, and the overall appearance of the building is improved. The stress state is good, not fragile, and the pulley of sliding door bottom is one of the basis of guaranteeing that sliding door can stably slide, but current sliding door when the installation, often because door and window and orbital laminating degree is not good enough, only single pulley atress leads to in a set of pulley, plays and supports gliding effect, long-term in the past, just makes this pulley easy damage, needs to maintain and change, consequently, needs design a pulley height control mechanism in order to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pulley height adjustment mechanism to it is not good enough because door and window and orbital laminating degree to provide in solving above-mentioned background art, only single pulley atress in leading to a set of pulley plays and supports gliding effect, in the past for a long time, just makes the easy problem of damaging of this pulley.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a pulley height adjusting mechanism, includes shell, assembly pulley and screw mounting, the shell includes the main casing body, first pulling groove and second pulling groove, second pulling groove has all transversely been seted up at the front and the back of shell, all be equipped with the main casing body on the left shell in second pulling groove, run through in the second pulling groove and install the second screw, run through in the first pulling groove and install first screw, the assembly pulley has been placed to the inboard right-hand member of shell, and the right-hand member of assembly pulley and the left end of screw mounting block end block, the pulling bolt is installed to the right-hand member screw thread of shell, the one end that the pulling bolt is close to the screw mounting passes the screw mounting right-hand member and installs the nut, self-tapping screw hole has been seted up on the top of shell, and the quantity in self-tapping screw hole is two.

Preferably, the assembly pulley includes pulley installation shell, roll pulley, first screw groove and second screw groove, the roll pulley is installed through the bearing in the inboard of pulley installation shell, and the quantity of roll pulley is two, second screw groove has all been seted up to the both sides at the front and the back of pulley installation shell, first screw groove is passed in first pulling groove, the second screw passes right side second screw groove.

Preferably, the screw mounting includes mounting main part, spacing piece, screw through-hole and bolt hole, the screw through-hole has all been seted up to the both sides of mounting main part left end, the second screw passes the screw through-hole, the both sides of mounting main part inner wall are fixed mounting all has spacing piece, the bolt hole has been seted up to the right-hand member of mounting main part, the pulling bolt passes the bolt hole.

Preferably, the right end of the limiting piece is tightly attached to the left end of the nut.

Compared with the prior art, the beneficial effects of the utility model are that: this pulley height adjustment mechanism only needs to rotate the pulling bolt through being provided with assembly pulley and screw mounting, can make the height of assembly pulley adjust, when the installation is used, can adjust the height of assembly pulley according to orbital particular case to make the rolling pulley can double round and the laminating of track all the time, reduced the atress of single rolling pulley, improved the life of rolling pulley, simultaneously, this mechanism overall structure is simple, reasonable in design, consequently, the production of being convenient for is promoted.

Drawings

Fig. 1 is a schematic bottom view of the structure of the present invention;

fig. 2 is a schematic front view of the housing structure of the present invention;

fig. 3 is a schematic front view of the pulley block structure of the present invention;

fig. 4 is a schematic bottom sectional view of the screw fastener structure of the present invention.

In the figure: 1. a housing; 11. a main housing; 12. a first pull groove; 13. a second pull groove; 2. a pulley block; 21. a pulley mounting housing; 22. a rolling pulley; 23. a first screw slot; 24. a second screw slot; 3. a screw fixing member; 31. a fixing member main body; 32. a limiting sheet; 33. a screw through hole; 34. bolt holes; 4. pulling the bolt; 5. a nut; 6. self-tapping screw holes; 7. a second screw; 8. a first screw.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment:

a pulley height adjusting mechanism comprises a shell 1, a pulley block 2 and a screw fixing piece 3, wherein the shell 1 comprises a main shell body 11, a first pulling groove 12 and a second pulling groove 13, and the pulley block 2 comprises a pulley mounting shell 21, a rolling pulley 22, a first screw groove 23 and a second screw groove 24.

The inboard of pulley installation shell 21 is installed rolling pulley 22 through the bearing, and the quantity of rolling pulley 22 is two, second screw groove 24 has all been seted up to the both sides at the front of pulley installation shell 21 and the back, first pulling groove 12 passes first screw groove 23, second screw 7 passes right side second screw groove 24, second pulling groove 13 has all transversely been seted up at the front of shell 1 and the back, all be equipped with main casing body 11 on the left shell 1 in second pulling groove 13, run through in the second pulling groove 13 and install second screw 7, run through in the first pulling groove 12 and install first screw 8, assembly pulley 2 has been placed to the inboard of shell 1, screw mounting piece 3 has been placed to the right-hand member of shell 1 inboard.

The screw fixing member 3 includes a fixing member main body 31, a limiting piece 32, a screw through hole 33 and a bolt hole 34, the screw through hole 33 is provided on both sides of the left end of the fixing member main body 31, the second screw 7 passes through the screw through hole 33, the limiting piece 32 is fixedly mounted on both sides of the inner wall of the fixing member main body 31, the bolt hole 34 is provided on the right end of the fixing member main body 31, and the pulling bolt 4 passes through the bolt hole 34.

And the right-hand member of assembly pulley 2 and the left end of screw mounting 3 end block, and pulling bolt 4 is installed to the right-hand member screw thread of shell 1, and pulling bolt 4 passes screw mounting 3 right-hand member near one end of screw mounting 3 and installs nut 5, and self tapping screw hole 6 has been seted up on the top of shell 1, and the quantity of self tapping screw hole 6 is two, and the right-hand member of spacing piece 32 closely laminates with the left end of nut 5.

The working principle is as follows: when in use, the shell 1 is fixed at the bottom end of the pushing door window by using a self-tapping screw to penetrate through the self-tapping screw hole 6, then the height of the rolling pulley 22 is adjusted according to the angle of the slide rail in the installation area, the pulling bolt 4 is rotated counterclockwise, the pulling bolt 4 is moved to the right by the screw connection structure of the pulling bolt 4 and the bolt hole 34, the fixing member main body 31 is driven to move to the right by rotating the pulling bolt 4 counterclockwise, the fixing member main body 31 drives the second screw 7 to move to the right while moving to the right due to the second screw 7 penetrating through the screw through hole 33, the second screw 7 is driven to move from left to right in the second pulling groove 13, so as to drive the pulley installation shell 21 to move, and the first screw 8 is fixed in the first screw groove 23 while the pulley block 2 is moved, the first screw 8 is also pulled to the right, and both ends of the first screw 8 are placed in the first pulling groove 12, the first screw 8 slides to the right and downward along the angle of the first pulling groove 12, so that the pulley block 2 moves to the right and downward integrally, the second screw groove 24 prevents the pulley block 2 from driving the second screw 7 to descend integrally, so that the height of the pulley block 2 can be adjusted downward, the rolling pulley 22 is adjusted downward, more parts of the rolling pulley 22 can be exposed, when the rolling pulley 22 to be adjusted to be high is required to be adjusted, only the pulling bolt 4 needs to be screwed into the inner side of the shell 1, the screw through hole 33 has a limiting effect, when the pulling bolt 4 is screwed inwards, the nut 5 is abutted against the right side of the screw through hole 33, the screw fixing part 3 is pushed to move leftwards integrally, so that the pulley block 2 is driven to move leftwards, and the principle of lowering the pulley block 2 integrally is the same, finally, the pulley block 2 can move upwards along with the pulling bolt 4 to be screwed into the inner side of the shell 1, so that the rolling, thereby, the rolling pulley 22 can be always attached to the rail by two wheels, and the service life of the rolling pulley 22 is prolonged.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a pulley height adjustment mechanism, includes shell (1), assembly pulley (2) and screw mounting (3), its characterized in that: the shell (1) comprises a main shell body (11), a first pulling groove (12) and a second pulling groove (13), the front and the back of the shell (1) are transversely provided with the second pulling groove (13), the shell (1) on the left side of the second pulling groove (13) is provided with the main shell body (11), a second screw (7) is installed in the second pulling groove (13) in a penetrating manner, a first screw (8) is installed in the first pulling groove (12) in a penetrating manner, a pulley block (2) is placed on the inner side of the shell (1), a screw fixing piece (3) is placed on the right end of the inner side of the shell (1), the right end of the pulley block (2) is clamped with the left end of the screw fixing piece (3), a pulling bolt (4) is installed on the right end of the shell (1) in a threaded manner, one end, close to the fixing piece (3), of the pulling bolt (4) penetrates through the right end of the screw, self-tapping screw holes (6) are formed in the top end of the shell (1), and the number of the self-tapping screw holes (6) is two.

2. The pulley height adjustment mechanism according to claim 1, wherein: pulley block (2) are including pulley installation shell (21), roll pulley (22), first screw groove (23) and second screw groove (24), roll pulley (22) are installed through the bearing to the inboard of pulley installation shell (21), and the quantity of roll pulley (22) is two, second screw groove (24) have all been seted up to the both sides at pulley installation shell (21) front and back, first screw groove (23) are passed in first pulling groove (12), second screw (7) pass right side second screw groove (24).

3. The pulley height adjustment mechanism according to claim 1, wherein: screw mounting (3) are including mounting main part (31), spacing piece (32), screw through-hole (33) and bolt hole (34), screw through-hole (33) have all been seted up to the both sides of mounting main part (31) left end, screw through-hole (33) are passed in second screw (7), mounting main part (31) inner wall both sides fixed mounting all has spacing piece (32), bolt hole (34) have been seted up to the right-hand member of mounting main part (31), bolt hole (34) are passed in pulling bolt (4).

4. A pulley height adjustment mechanism according to claim 3, wherein: the right end of the limiting piece (32) is tightly attached to the left end of the nut (5).