CN203223085U - Adjustable pulley - Google Patents
Adjustable pulley Download PDFInfo
- Publication number
- CN203223085U CN203223085U CN 201320190911 CN201320190911U CN203223085U CN 203223085 U CN203223085 U CN 203223085U CN 201320190911 CN201320190911 CN 201320190911 CN 201320190911 U CN201320190911 U CN 201320190911U CN 203223085 U CN203223085 U CN 203223085U
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- CN
- China
- Prior art keywords
- pulley
- support arm
- inner support
- left end
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a pulley, and aims to provide the improved adjustable pulley. The adjustable pulley comprises an outer support and an inner support which is sleeved in the outer support. A plurality of pulley blocks are arranged in the inner support. The adjustable pulley is characterized in that rounded rectangular holes which incline towards the left are formed in the two sides in the middle of the inner support, an adjusting screw is arranged at the left end of the outer support, the left end of the adjusting screw is connected with a clamping block, the right end of the adjusting screw is connected with the inner support through the adjusting block, a snap rivet is arranged in the middle of the outer support and penetrates through the rounded rectangular holes, the height of the inner support can be adjusted through the adjusting screw, and the adjustable pulley has the advantages of being simple in structure, low in cost, firm and durable. The adjustable pulley is mainly used for furniture and products with doors, windows, cabinets and the like.
Description
Technical field
The utility model relates to a kind of pulley, relates in particular to a kind of adjustable pulley.
Background technology
Present pulley, majority is fixed, and has no idea the height of pulley is adjusted, and uses inconvenience; Adjustable pulley is also arranged, but because complex structure breaks down easily, manufacturing cost is higher.
The utility model content
The purpose of this utility model technical problem to be solved is that a kind of adjustable pulley will be provided, and it can efficiently solve uses inconvenient, easy fault and the high problem of cost, has characteristics simple in structure, with low cost, robust.
For achieving the above object, the technical solution adopted in the utility model is: a kind of adjustable pulley, comprise support arm and be located at the interior inner support of support arm, be provided with some assembly pulleys in the described inner support, it is characterized in that: both sides are provided with the round rectangle hole that is tilted to the left in the middle of the described inner support; Described support arm left end is provided with the adjustment screw, and this adjustment screw left end is connected with fixture block, and right-hand member connects described inner support by regulating block; Be provided with the primary and secondary rivet in the middle of the described support arm, this Screw runs through described round rectangle hole; Described support arm left end is collapsible interface, and interface is provided with through hole; Described fixture block is located at the inboard of this interface; Described support arm right-hand member is inserted interface; Described support arm is provided with some circular fixing holes with right-hand member in the middle of the bottom; Described support arm is provided with some square through holes in the middle of the bottom; Described inner support left end both sides are provided with the adjusting film trap, and middle and right-hand member both sides are provided with the pulley axis hole; Described inner support bottom is provided with some square through holes; Described adjustment screw is interior cross recess outer-hexagonal head dummy, and left end is provided with toroidal cavity, and described fixture block blocks this groove; Described adjustment screw right-hand member is thread, this thread part and described regulating block engagement; The pad that described assembly pulley comprises pulley and is located at the pulley both sides is provided with pulley spindle in the middle of the described pulley; Be provided with through hole in the middle of the described regulating block, be provided with thread in this through hole; Described fixture block upper end is provided with bayonet socket.
The utility model has adopted above-mentioned technical scheme, overcome disadvantages of background technology, a kind of adjustable pulley is provided, and it can efficiently solve uses inconvenient, easy fault and the high problem of cost, has characteristics simple in structure, with low cost, robust.
Description of drawings
Accompanying drawing 1 is modularization schematic diagram of the present utility model;
Accompanying drawing 2 is front view of the present utility model.
Among the figure: support arm 1, inner support 2, adjustment screw 3, assembly pulley 4, regulating block 5, primary and secondary rivet 6, fixture block 7, fixing hole 11, square through hole 12, adjusting film trap 21, pulley axis hole 22, round rectangle hole 23, square through hole 24, pulley 41, pad 42, pulley spindle 43.
The specific embodiment
Below in conjunction with accompanying drawing, by the specific embodiment of the present utility model is further described, make the technical solution of the utility model and beneficial effect thereof clearer, clear and definite.
Referring to accompanying drawing 1 to 2, the utility model comprises support arm 1 and is located at inner support 2 in the support arm 1 that be provided with some assembly pulleys 4 in the described inner support 2, both sides are provided with the round rectangle hole 23 that is tilted to the left in the middle of the described inner support 2; Described support arm 1 left end is provided with adjusts screw 3, and these adjustment screw 3 left ends are connected with fixture block 7, and right-hand member connects described inner support 2 by regulating block 5; Be provided with primary and secondary rivet 6 in the middle of the described support arm 1, this primary and secondary rivet 6 runs through described round rectangle hole 23; Described support arm 1 left end is collapsible interface, and interface is provided with through hole; Described fixture block 7 is located at the inboard of this interface; Described support arm 1 right-hand member is inserted interface; Be provided with some circular fixing holes 11 with right-hand member in the middle of described support arm 1 bottom; Be provided with some square through holes 12 in the middle of described support arm 1 bottom; Described inner support 2 left end both sides are provided with regulates film trap 21, and middle and right-hand member both sides are provided with pulley axis hole 22; Described inner support 2 bottoms are provided with some square through holes 24; Described adjustment screw 3 is interior cross recess outer-hexagonal head dummy, and left end is provided with toroidal cavity, and described fixture block 7 blocks this groove; Described adjustment screw 3 right-hand members are thread, this thread part and described regulating block 5 engagements; The pad 42 that described assembly pulley 4 comprises pulley 41 and is located at pulley 41 both sides is provided with pulley spindle 43 in the middle of the described pulley 41; Be provided with through hole in the middle of the described regulating block 5, be provided with thread in this through hole; Described fixture block 7 upper ends are provided with bayonet socket.
During work, can use corresponding Phillips screwdriver or inner hexagon spanner to rotate and adjust screw 3, adjust screw 3 and push away or draw regulating block 5, thereby drive inner support 2, when inner support 2 moves, under the round rectangle hole 23 that is tilted to the left and 6 mating reactions of primary and secondary rivet, inner support 2 is mobile downward or upward, thereby realizes the adjustment to assembly pulley 4 high and low positions.
Description by above-mentioned structure and principle; the person of ordinary skill in the field is to be understood that; the utility model is not limited to the above-mentioned specific embodiment; adopt the improvement of techniques well known on the utility model basis and substitute and all drop on protection domain of the present utility model, should be limited by each claim.
Claims (7)
1. adjustable pulley, comprise support arm (1) and be located at the interior inner support (2) of support arm (1), be provided with some assembly pulleys (4) in the described inner support (2), it is characterized in that: both sides are provided with the round rectangle hole (23) that is tilted to the left in the middle of the described inner support (2); Described support arm (1) left end is provided with adjusts screw (3), and this adjustment screw (3) left end is connected with fixture block (7), and right-hand member connects described inner support (2) by regulating block (5); Be provided with primary and secondary rivet (6) in the middle of the described support arm (1), this primary and secondary rivet (6) runs through described round rectangle hole (23).
2. pulley according to claim 1, it is characterized in that: described support arm (1) left end is collapsible interface, and interface is provided with through hole; Described fixture block (7) is located at the inboard of this interface; Described support arm (1) right-hand member is inserted interface; Described support arm (1) is provided with some circular fixing holes (11) with right-hand member in the middle of the bottom; Described support arm (1) is provided with some square through holes (12) in the middle of the bottom.
3. pulley according to claim 1 is characterized in that: described inner support (2) left end both sides are provided with regulates film trap (21), middlely is provided with pulley axis hole (22) with the right-hand member both sides; Described inner support (2) bottom is provided with some square through holes (24).
4. pulley according to claim 1, it is characterized in that: described adjustment screw (3) is interior cross recess outer-hexagonal head dummy, and left end is provided with toroidal cavity, and described fixture block (7) blocks this groove; Described adjustment screw (3) right-hand member is thread, and this thread part meshes with described regulating block (5).
5. pulley according to claim 1 is characterized in that: be provided with pulley spindle (43) in the middle of the pad (42) that described assembly pulley (4) comprises pulley (41) and is located at pulley (41) both sides, described pulley (41).
6. pulley according to claim 1 is characterized in that: be provided with through hole in the middle of the described regulating block (5), be provided with thread in this through hole.
7. pulley according to claim 1 is characterized in that: be provided with bayonet socket on the described fixture block (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320190911 CN203223085U (en) | 2013-04-15 | 2013-04-15 | Adjustable pulley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320190911 CN203223085U (en) | 2013-04-15 | 2013-04-15 | Adjustable pulley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203223085U true CN203223085U (en) | 2013-10-02 |
Family
ID=49250090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320190911 Expired - Fee Related CN203223085U (en) | 2013-04-15 | 2013-04-15 | Adjustable pulley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203223085U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103671480A (en) * | 2014-01-05 | 2014-03-26 | 周佩龙 | Neck type pulley gasket |
| CN105507713A (en) * | 2015-12-29 | 2016-04-20 | 蒋卫振 | Door/window guide rail capable of quickly regulating height |
-
2013
- 2013-04-15 CN CN 201320190911 patent/CN203223085U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103671480A (en) * | 2014-01-05 | 2014-03-26 | 周佩龙 | Neck type pulley gasket |
| CN105507713A (en) * | 2015-12-29 | 2016-04-20 | 蒋卫振 | Door/window guide rail capable of quickly regulating height |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131002 Termination date: 20180415 |