CN212079004U - Lower pulley block device of sliding door - Google Patents
Lower pulley block device of sliding door Download PDFInfo
- Publication number
- CN212079004U CN212079004U CN202020254247.7U CN202020254247U CN212079004U CN 212079004 U CN212079004 U CN 212079004U CN 202020254247 U CN202020254247 U CN 202020254247U CN 212079004 U CN212079004 U CN 212079004U
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- lower pulley
- pulley block
- fixed
- sliding sash
- hole
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- 230000000149 penetrating effect Effects 0.000 claims description 7
- 239000010963 304 stainless steel Substances 0.000 claims description 3
- 239000004677 Nylon Substances 0.000 claims description 3
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 19
- 230000000903 blocking effect Effects 0.000 description 6
- 239000000428 dust Substances 0.000 description 6
- 230000008021 deposition Effects 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model provides a lower pulley block device of a sliding door, which comprises a sliding sash and two lower pulley block devices, wherein the lower surface of a bottom section bar of the sliding sash is provided with a T-shaped groove; two lower pulley block devices set up respectively in the both ends lower surface of the bottom section bar of sliding sash, and each lower pulley block device includes: the support is provided with at least one lower pulley block and a fixing sheet, two sides of the top of the support are respectively and correspondingly provided with an inverted L-shaped positioning plate, and the positioning plates are slidably arranged in the T-shaped grooves; the two lower pulley sets are both arranged in the bracket; the fixing plate is L-shaped, a bolt hole is formed in the center of a vertical plate of the fixing plate, the transverse plate is fixed to the top of one end of the support, and the transverse plate of the fixing plate can be fixed to the top of one end of the support through the bolt. The utility model provides a wear lower pulley block device of sliding door of groove, side fixed mounting mode, its quality that easily installs and can guarantee the installation is difficult not hard up, strengthens the wholeness with the sliding sash.
Description
Technical Field
The utility model belongs to the technical field of a sliding door technique and specifically relates to a pulley gear for sliding door.
Background
The lower pulley of present sliding door all adopts the bottom mounting mode that makes progress, and the pulley fixed mode all upwards beats the screw from the below of sliding sash promptly, and height-adjustable assembly pulley is all chooseed for use to ordinary sliding door, fixes the lower pulley group in the bottom of sliding sash earlier, then packs into the door frame in, carries out height-adjusting to the lower pulley group again, consequently can lead to following defect:
1. the fixed point of the lower pulley block is not firmly stressed, and after the pulley is used for one or two years, the pulley is deformed and damaged due to the running of the screw, so that the service life is short;
2. because screws must be screwed upwards from the lower part of the sliding sash during installation, a plurality of people are required to lift the whole sliding sash for installation, and the installation is particularly laborious and inconvenient.
3. The existing device mode does not have any shielding to the pulley, can expose the lower pulley block, not only influences the aesthetic degree of the sliding door and window, but also easily accumulates dust and pollutes lubricating oil, thereby influencing the smoothness of the running of the pulley block.
4. The pulley that highly has adjustable function is commonly used in current market, because height-adjustable, the workman often in the installation process because of whole door horizontal vertical positioning carelessly carries out the debugging of making chance to get ingeniously, in case horizontal position deviation, the sliding sash will be unable push-and-pull or push-and-pull not smooth, installation quality can not obtain the assurance.
Disclosure of Invention
The to-be-solved technical problem of the utility model lies in providing a lower pulley block device of sliding door of wearing groove, side direction fixed mounting mode to the lower pulley of solving present sliding door adopts the bottom mounting mode that makes progress, makes the fixed point atress of lower pulley block insecure, and is short-lived, and the installation is inconvenient, and easy deposition pollutes and has influenced the technical problem of the smooth and easy nature of assembly pulley operation.
The utility model discloses a realize like this: a lower pulley block device of a sliding door comprises a sliding sash and two lower pulley block devices, wherein a T-shaped groove is formed in the lower surface of a bottom section bar of the sliding sash; two lower pulley block device set up respectively in the both ends lower surface of the bottom section bar of sliding sash, each lower pulley block device includes:
the two sides of the top of the bracket are respectively and correspondingly provided with an inverted L-shaped positioning plate, and the positioning plates are slidably arranged in the T-shaped grooves;
the two lower pulley blocks are arranged in the bracket;
the fixing plate is L-shaped, a bolt hole is formed in the center of a vertical plate of the fixing plate and fixed on the vertical section of the sliding sash through a bolt, the transverse plate is fixed at the top of one end of the support, and the transverse plate of the fixing plate can be fixed at the top of one end of the support through a bolt.
Furthermore, two ends of the bottom section bar of the sliding sash are respectively provided with a dustproof plugging piece; the dustproof plugging piece comprises square blocks which are exactly arranged at two ends of the bottom section bar, a fixed block is integrally formed on the outer side of the upper surface of each square block, a fixed hole is formed in each fixed block, and the dustproof plugging piece is fixed on the vertical section bar of the sliding sash through the fixed holes in a penetrating mode through bolts.
Further, the support comprises an outer support and at least one inner support, and the outer support is of an inverted U-shaped structure; the inner support is of a U-shaped structure, the inner support is fixed inside the outer support through fixing bolts, and two first through holes are formed in the bottom of each inner support; the number of the lower pulley blocks corresponds to that of the inner support, each lower pulley block comprises two pulleys, each pulley is fixed on the inner support through a fixing shaft, an arc-shaped groove is formed in the surface of each pulley, and the lowest point of each pulley penetrates through the first through hole and is located outside the first through hole.
Furthermore, the number of the inner supports is two, the number of the lower pulley blocks is two, and the two lower pulley blocks are respectively arranged inside the two inner supports.
Furthermore, a second through hole is formed in the top of the outer support and between the two positioning plates and corresponds to the first through hole, and the highest point of the pulley penetrates through the second through hole and is located outside the second through hole.
Further, the lower pulley block device is made of 304 stainless steel.
Further, the dustproof plugging piece is made of PA66 nylon.
The utility model has the advantages that: the existing installation mode with the upward bottom is changed into the installation mode of the groove penetrating and lateral fixing of the utility model, the installation mode of the groove penetrating and lateral fixing is that an L-shaped fixing piece is arranged at the top of one end of the bracket, a vertical plate of the fixing piece can be fixed on a lateral section bar of the sliding sash through a bolt, so that the lower pulley block device is fixed at the bottom of the sliding sash, the installation mode does not need to adjust the height of a pulley block, the pulley block is not easy to loose, the integrity with the sliding sash is enhanced, and the installation quality are easy to be installed and ensured; the dustproof plugging pieces are arranged at the two ends of the bottom section bar of the sliding sash, so that dust can be prevented from affecting the smoothness of the lower pulley block device, the section bar processing trace of the sliding sash and the exposure of the lower pulley block device can be prevented, and the attractiveness of a product is effectively improved.
Drawings
The invention will be further described with reference to the following examples with reference to the accompanying drawings.
Fig. 1 is a schematic perspective view of the lower pulley device of the present invention.
Fig. 2 is a front view of the lower pulley device of the present invention.
Fig. 3 is a schematic view of the longitudinal sectional structure of the lower pulley device according to the present invention.
Fig. 4 is a schematic view of the three-dimensional structure of the dust-proof plugging piece of the present invention.
Fig. 5 is a schematic view of the usage state of the dust-proof plugging piece of the present invention.
The reference numbers illustrate: the sliding sash comprises a sliding sash 200, a bottom section bar 201, a T-shaped groove 202, a vertical section bar 203, a door frame section bar 300, a sliding rail 301, a lower pulley block device 100, a support 1, a lower pulley block 2, a fixing plate 3, a vertical plate 31, a transverse plate 32, a bolt hole 311, a positioning plate 4, an outer support 11, an inner support 12, a first through hole 121, a pulley 21, an arc-shaped groove 211, a second through hole 13, a dust-proof plugging piece 5, a square block 51, a fixing block 52 and a fixing hole 521.
Detailed Description
The embodiment of the application is in order to solve the lower pulley of present sliding door and window and adopt the bottom mounting mode that makes progress, makes the fixed point atress of lower pulley block insecure, and the life-span is short, and the installation is inconvenient, and easy deposition pollutes and has influenced the technical problem of the smooth and easy nature of assembly pulley operation.
The technical scheme in the embodiment of the application has the following general idea: the existing installation mode of penetrating the groove and fixing the pulley block in the lateral direction is changed into the installation mode of penetrating the groove and fixing the pulley block in the lateral direction of the utility model, namely, the pulley block is arranged on an L-shaped fixing plate, a vertical plate of the fixing plate can be fixed on a lateral section bar of the sliding sash through a bolt, so that the lower pulley block device is fixed at the bottom of the sliding sash, and the installation mode does not need to adjust the height of the pulley block, so that the pulley block is not easy to; and the dust-proof plugging pieces are arranged at the two ends of the bottom section bar of the sliding sash, so that the dust can be prevented from influencing the smoothness of the lower pulley block device, the section bar processing trace of the sliding sash and the exposure of the lower pulley block device can be prevented, and the attractiveness of the product is effectively improved.
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without any creative effort belong to the protection scope of the present invention.
This is a preferred embodiment of the present application, and is shown in fig. 1 to 5, and comprises a sliding sash 200, wherein a "T" shaped groove 202 is formed on the lower surface of a bottom section bar 201 of the sliding sash 200.
Two lower pulley block devices 100, the lower pulley block device adopts 304 stainless steel to make, two lower pulley block devices 100 set up respectively in the both ends lower surface of the bottom section bar of sliding sash 200, each lower pulley block device 100 includes: the pulley block fixing device comprises a support 1, at least one lower pulley block 2 and a fixing sheet 3, wherein reverse L-shaped positioning plates 4 are correspondingly arranged on two sides of the top of the support 1 respectively, and the positioning plates 4 are slidably arranged in T-shaped grooves 202; the bracket 1 comprises an outer bracket 11 and at least one inner bracket 12, wherein the outer bracket 11 is of an inverted U-shaped structure; the inner support 12 is of a U-shaped structure, the inner support 12 is fixed inside the outer support 11 through a fixing bolt, and the bottom of each inner support 12 is provided with two first through holes 121; the number of the lower pulley blocks 2 corresponds to the number of the inner supports 12, preferably, the number of the inner supports 12 and the number of the lower pulley blocks 2 are two, each lower pulley block 2 includes two pulleys 21, each pulley 21 is fixed on the inner support 12 through a fixed shaft, an arc-shaped groove 211 is formed on the surface of each pulley 21, the arc-shaped grooves 211 can be correspondingly slidably arranged on the sliding rails 301 of the door frame profile 300, and the lowest point of each pulley 21 passes through the first through hole 121 and is located outside the first through hole 121; a second through hole 13 is formed in the top of the outer bracket 11 and located between the two positioning plates 4 and corresponding to the first through hole 121, and the highest point of the pulley 21 passes through the second through hole 13 and is located outside the second through hole 13; the fixing plate 3 is L-shaped, a bolt hole 311 is arranged in the center of a vertical plate 31 of the fixing plate 3, and a transverse plate 32 is fixed at the top of one end of the support 1.
Two ends of the bottom section bar 201 of the sliding sash 200 are respectively provided with a dustproof plugging piece 5; the dust blocking piece 5 is made of PA66 nylon. The dust-proof blocking piece 5 comprises a square block 51 which is exactly arranged at two ends of the bottom section bar 201, a fixed block 52 is integrally formed on the outer side of the upper surface of the square block 51, a fixed hole 521 is formed in the fixed block 52, and the dust-proof blocking piece 5 is fixed on the vertical section bar 203 of the sliding sash 200 through the fixed hole 521 which is formed by penetrating through bolts.
The installation method comprises the following steps: firstly, a door frame section bar 300 of a sliding door is installed on a wall body, then an assembled sliding sash 200 is sleeved into the door frame, then one side of the bottom of the sliding sash 200 is slightly lifted, an arc-shaped groove 211 on the surface of a pulley of a lower pulley block device 100 is aligned with a sliding rail 301 of the door frame section bar 300, positioning plates 4 correspondingly arranged on two sides of the top of one end of a support 1 far away from a fixing plate 3 are arranged in a T-shaped groove 202 of the bottom section bar 201 of the sliding sash 200 in a sliding manner, after the lower pulley block device 100 is completely pushed inwards, a vertical plate 31 of the fixing plate 3 is fixed on a vertical section bar 203 of the sliding sash 100 through bolts, so that the lower pulley block device 100 is fixed at the bottom of the sliding sash 200, the installation mode can be completed without carrying out height adjustment on the lower pulley block device 100, and after the installation is completed, two dust-proof blocking pieces 5, the dust-proof blocking piece 5 is fixed on the vertical section bar 201 of the sliding sash 200 through the fixing hole 521 which is penetrated by a bolt, so that dust can be prevented from affecting the smoothness of the lower pulley block device 100, the section bar processing trace of the sliding sash 200 and the exposure of the lower pulley block device 100 can be prevented, and the attractiveness of a product can be effectively improved.
The utility model discloses a be equipped with a stationary blade 3 at the one end top of support 1, can fix the riser 31 of L shape stationary blade 3 on the vertical section bar 201 of sliding sash 200 through the bolt, make lower pulley block device 100 fix in the bottom of sliding sash 200, its mounting means need not to carry out height control to lower pulley block device 100, make it difficult not hard up, strengthen with the wholeness of sliding sash 200, and easily install and guarantee the installation quality; avoid the installation process to carry out the debugging of making the opportunity to get the handy because of whole door horizontal vertical location is neglected, because the pulley is not adjustable, in case horizontal deviation, sliding sash 200 will unable push-and-pull or push-and-pull out unsmooth, force the installer to have done the level of door frame section bar 300 perpendicularly from the visitor, just dust-proof blocking piece 5 wears to establish through the bolt fixed orifices 521 is fixed in on the vertical section bar 201 of sliding sash 200, can prevent that the dust from influencing the smooth and easy nature of lower pulley block device 100, still can prevent that the section bar processing vestige and the lower pulley block device 100 of sliding sash 200 from exposing, can effectively increase the pleasing to the eye degree of product.
Although specific embodiments of the present invention have been described, it will be understood by those skilled in the art that the specific embodiments described are illustrative only and are not limiting upon the scope of the invention, and that equivalent modifications and variations can be made by those skilled in the art without departing from the spirit of the invention, which is to be limited only by the claims appended hereto.
Claims (7)
1. The utility model provides a lower pulley block device of sliding door, includes a sliding sash and two lower pulley block devices, the bottom section bar lower surface of sliding sash is equipped with one "T" shape groove, two the lower pulley block device set up respectively in the both ends lower surface of the bottom section bar of sliding sash, its characterized in that: each said lower pulley block means comprising:
the two sides of the top of the bracket are respectively and correspondingly provided with an inverted L-shaped positioning plate, and the positioning plates are slidably arranged in the T-shaped grooves;
the two lower pulley blocks are arranged in the bracket;
the fixing plate is L-shaped, a bolt hole is formed in the center of a vertical plate of the fixing plate, and the transverse plate is fixed to the top of one end of the support.
2. A lower pulley assembly for a sliding door or window according to claim 1, wherein: two ends of the bottom section bar of the sliding sash are respectively provided with a dustproof plugging piece; the dustproof plugging piece comprises square blocks which are exactly arranged at two ends of the bottom section bar, a fixed block is integrally formed on the outer side of the upper surface of each square block, a fixed hole is formed in each fixed block, and the dustproof plugging piece is fixed on the vertical section bar of the sliding sash through the fixed holes in a penetrating mode through bolts.
3. A lower pulley assembly for a sliding door or window according to claim 1, wherein: the bracket comprises an outer bracket and at least one inner bracket, wherein the outer bracket is of an inverted U-shaped structure; the inner support is of a U-shaped structure, the inner support is fixed inside the outer support through fixing bolts, and two first through holes are formed in the bottom of each inner support; the number of the lower pulley blocks corresponds to that of the inner support, each lower pulley block comprises two pulleys, each pulley is fixed on the inner support through a fixing shaft, an arc-shaped groove is formed in the surface of each pulley, and the lowest point of each pulley penetrates through the first through hole and is located outside the first through hole.
4. A lower pulley assembly for a sliding door or window according to claim 3, wherein: the number of the inner supports is two, the number of the lower pulley blocks is two, and the two lower pulley blocks are respectively arranged inside the two inner supports.
5. A lower pulley assembly for a sliding door or window according to claim 3, wherein: and a second through hole is formed in the top of the outer support and is positioned between the two positioning plates and corresponds to the first through hole, and the highest point of the pulley passes through the second through hole and is positioned outside the second through hole.
6. A lower pulley assembly for a sliding door or window according to claim 1, wherein: the lower pulley block device is made of 304 stainless steel.
7. A lower pulley assembly for a sliding door or window according to claim 2, wherein: the dust-proof plugging piece is made of PA66 nylon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020254247.7U CN212079004U (en) | 2020-03-04 | 2020-03-04 | Lower pulley block device of sliding door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020254247.7U CN212079004U (en) | 2020-03-04 | 2020-03-04 | Lower pulley block device of sliding door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212079004U true CN212079004U (en) | 2020-12-04 |
Family
ID=73560799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020254247.7U Active CN212079004U (en) | 2020-03-04 | 2020-03-04 | Lower pulley block device of sliding door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212079004U (en) |
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2020
- 2020-03-04 CN CN202020254247.7U patent/CN212079004U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 365100 baotingyang Industrial Park, Yangzhong Town, Yangzhong village, Youxi County, Sanming City, Fujian Province Patentee after: Fujian Tianmin Green Curtain Wall Doors and Windows Co.,Ltd. Address before: 365100 baotingyang Industrial Park, Yangzhong Town, Yangzhong village, Youxi County, Sanming City, Fujian Province Patentee before: FUJIAN TIANMIN GREEN BUILDING INDUSTRY Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 365100 baotingyang Industrial Park, Yangzhong Town, Yangzhong village, Youxi County, Sanming City, Fujian Province Patentee after: FUJIAN TIANMIN GREEN BUILDING INDUSTRY Co.,Ltd. Country or region after: China Address before: 365100 baotingyang Industrial Park, Yangzhong Town, Yangzhong village, Youxi County, Sanming City, Fujian Province Patentee before: Fujian Tianmin Green Curtain Wall Doors and Windows Co.,Ltd. Country or region before: China |