CN2762654Y - Lifting means of chair back - Google Patents
Lifting means of chair back Download PDFInfo
- Publication number
- CN2762654Y CN2762654Y CN 200520054925 CN200520054925U CN2762654Y CN 2762654 Y CN2762654 Y CN 2762654Y CN 200520054925 CN200520054925 CN 200520054925 CN 200520054925 U CN200520054925 U CN 200520054925U CN 2762654 Y CN2762654 Y CN 2762654Y
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- CN
- China
- Prior art keywords
- grooves
- rod
- movable block
- shaped
- shape
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- 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 - Lifetime
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Abstract
The utility model relates to a lifting device of a seat back, which comprises a lifting body, a movable block, a T-shaped control rod and a supporting rod, wherein the left and the right sides of an inner cavity of the lifting body are respectively provided with U-shaped slot bodies having the same calibers, and the U-shaped slot bodies are vertically arranged; the middle part of the inner cavity of the lifting body is provided with a straight slot body, a left and a right U-shaped movable blocks are arranged and respectively arranged in the U-shaped slot bodies for cooperation, the shapes of the side edges of the movable blocks are respectively cooperated with the shape of the supporting rod, the other side edge of each of the movable blocks is provided with a plurality of bulged pins, and the upper end corners of the bulged pins are provided with first cambered surfaces; the top part of the T-shaped control rod is provided with a spring, a rod body and the spring are arranged in the straight slot body, both sides of the rod body are provided with a plurality of grooves, the positions of a plurality of grooves are slightly lower than that of a plurality of bulged pins and the upper end corners of a plurality of grooves are provided with second cambered surfaces. The utility model has the advantage of simple structure, a user can correspondingly adjust a seat back according to self requirements and the comfort of the utility model is enhanced for human body.
Description
Technical field:
The utility model relates to field of furniture, particularly a kind of lowering or hoisting gear of backrest.
Background technology:
Office seating backrest on the market is generally all fixed now, can not make suitable adjustment according to the height of human body, and it is more tired that the people is sitting in top work meeting for a long time.
Summary of the invention:
The purpose of this utility model is to provide a kind of simple and reasonable, backrest lowering or hoisting gear that can make the lifting of office seating backrest, make office seating make corresponding lifting according to different human needs, make product hommization more, to solve existing technical deficiency.
Realize this purpose, the utility model provides following technical scheme: comprise lifting body, movable block, "T"-shaped control lever, support bar, described lifting body inner chamber the right and left is respectively equipped with " Ц " shape cell body of the consistent and symmetrical vertical setting of bore, the middle part is provided with the straight trough body, described movable block be about two, it is shaped as the design of " Ц " shape, and be arranged in " Ц " shape cell body respectively and match, the shape of described movable block side matches with the shape of described support bar respectively, another side of described movable block is provided with some outstanding tips, described outstanding tip upper corners is provided with the first lonely face: described "T"-shaped control lever top is provided with spring, the body of rod and spring are arranged in the described straight trough body, described body of rod both sides are provided with some grooves, the position of described some grooves is a little less than the position of described some outstanding tips, and the upper corners of described some grooves is provided with the second lonely face.
The utility model is simple in structure, and the user can do corresponding the adjustment to backrest according to the needs of self, strengthens the comfort level of product to human body.
Description of drawings:
Now in conjunction with the accompanying drawings the utility model is further described:
Fig. 1 is the utility model structural representation;
Fig. 2 is a decomposing schematic representation of the present utility model;
The specific embodiment:
Shown in Fig. 1-2: the utility model comprises lifting body 1, movable block 2, "T"-shaped control lever 3, support bar 4, described lifting body 1 inner chamber the right and left is respectively equipped with " Ц " shape cell body 11 of the consistent and symmetrical vertical setting of bore, the middle part is provided with straight trough body 12, described movable block 2 be about two, it is shaped as the design of " Ц " shape, and be arranged in " Ц " shape cell body 11 respectively and match, the shape of described movable block 2 sides matches with the shape of described support bar 4 respectively, described movable block 2 opposite sides are provided with some outstanding tips 21, and the described outstanding tip 21 upper corners are provided with the first lonely face 22; Described "T"-shaped control lever 3 tops are provided with spring 31, the body of rod 32 is arranged in the described straight trough body 12 with spring 31, the described body of rod 32 both sides are provided with some grooves 321, the position of described some grooves 321 is a little less than the position of described some outstanding tips, and the upper corners of described some grooves 321 is provided with the second lonely face 322.Under normal conditions, the described movable block 2 of the described body of rod 32 compressings makes it and tightly obvolvent of support bar 4, when the needs lifting, the "T"-shaped control lever 3 of last pressure, this moment, the described body of rod 32 was to top offset, the first lonely face 22 of the described outstanding tip 21 contacts with the second lonely face 322 of the described body of rod 32, make described movable block 2 produce displacement, this moment, the gap of described movable block 2 and described support bar 4 increased, and lifting body can be moved, along the support bar easy on and off when cancelling external force, described spring pushes up the described body of rod 32 for 31 times, make "T"-shaped control lever to bottom offset, return under the normality, lifting body 1 is fixed on the support bar 4.
On the described lifting body 1 some screws 5 can be set, bolt can be connected and fixed by screw 5 and seat back.
Claims (2)
1. the lowering or hoisting gear of a backrest, comprise lifting body, movable block, "T"-shaped control lever, stay pipe, it is characterized in that: described lifting body inner chamber the right and left is respectively equipped with " Ц " shape cell body of the consistent and symmetrical vertical setting of bore, the middle part is provided with the straight trough body, described movable block be about two, it is shaped as the design of " Ц " shape, and be arranged in " Ц " shape cell body respectively and match, the shape of described movable block side matches with the shape of described support bar respectively, described movable block opposite side is provided with some outstanding tips, and described outstanding tip upper corners is provided with the first lonely face; Described "T"-shaped control lever top is provided with spring, the body of rod and spring are arranged in the described straight trough body, described body of rod both sides are provided with some grooves, and the position of described some grooves is a little less than the position of described some outstanding tips, and the upper corners of described some grooves is provided with the second lonely face.
2. the lowering or hoisting gear of a kind of backrest according to claim 1 is characterized in that: some screws are set on the described lifting body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520054925 CN2762654Y (en) | 2005-02-22 | 2005-02-22 | Lifting means of chair back |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520054925 CN2762654Y (en) | 2005-02-22 | 2005-02-22 | Lifting means of chair back |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2762654Y true CN2762654Y (en) | 2006-03-08 |
Family
ID=36140208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520054925 Expired - Lifetime CN2762654Y (en) | 2005-02-22 | 2005-02-22 | Lifting means of chair back |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2762654Y (en) |
-
2005
- 2005-02-22 CN CN 200520054925 patent/CN2762654Y/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20150222 Granted publication date: 20060308 |