CN203493154U - Seat chassis with locking function - Google Patents
Seat chassis with locking function Download PDFInfo
- Publication number
- CN203493154U CN203493154U CN201320619486.8U CN201320619486U CN203493154U CN 203493154 U CN203493154 U CN 203493154U CN 201320619486 U CN201320619486 U CN 201320619486U CN 203493154 U CN203493154 U CN 203493154U
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- China
- Prior art keywords
- locking bar
- main body
- chute
- chassis
- slide block
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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 - Fee Related
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- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 230000033001 locomotion Effects 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 6
- 238000007373 indentation Methods 0.000 description 6
- 230000007812 deficiency Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- Chairs Characterized By Structure (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
The utility model relates to a seat chassis with locking function, which comprises a chassis main body, a lock rod and a locking mechanism, wherein the chassis main body is provided with a lock rod mounting seat, the lock rod mounting seat is provided with a chute corresponding to the lock rod, the lock rod is arranged in the chute in a sliding way, and the chute is provided with an opening corresponding to the outer end of the lock rod; the locking mechanism comprises a sliding block, a swinging needle, a return spring and a pull rod; the sliding block is arranged on the chassis main body in a sliding mode, a return groove is formed in the surface of the sliding block, the swinging needle is arranged on the chassis main body in a swinging mode, the swinging needle is provided with a hook portion, the hook portion is inserted into the return groove and moves around the return groove, two positioning portions are arranged in the return groove, and the hook portion stays at one positioning portion; the reset spring is arranged between the inner end of the lock rod and the inner end face of the chute; one end of the pull rod is connected with the lock rod, and the other end of the pull rod penetrates through the inner end face of the sliding chute to be connected with the sliding block. When the chair back is adjusted, the locking mechanism controls the locking rod to be locked in the retracted sliding groove, and after the chair back is adjusted, the locking mechanism controls the locking rod to be locked in the state of extending out of the sliding groove, so that the operation is convenient.
Description
Technical field
The utility model relates to furniture technical field, particularly a kind of Chair underframe with lock function.
Background technology
I disclose a kind of Chair underframe at China Patent No. CN201220475584.4 and on March 27th, 2013, comprise the subbase being arranged under seat, in subbase rear end, arranged on left and right sides is provided with chair back connecting portion, between described chair back connecting portion, form cavity, in cavity, be provided with for supporting the support portion, rear end of backrest, described subbase front end is also provided with the front end gripper shoe of extending towards top; By the chassis of utility model is installed on seat, front end gripper shoe, support portion, rear end are connected with backrest with seat respectively, when people sits on the seat, swing back in back, utilize front end gripper shoe, support portion, rear end to adjust the dynamics of seat and backrest and the elevation angle of backrest, make human body shank backwards, below is stressed, back is towards back lower place reclining, realizes human body stress synchronous, reach best stress, thereby it is more comfortable on the seat to allow user sit.Except said structure, subbase is also provided with the locking bar for stopping that support portion, rear end is used, locking bar is connected with the control lever of seat cushion bottom by steel wire, be provided with locking bar mount pad, the corresponding locking bar of locking bar mount pad is provided with chute, locking bar is slidably arranged in chute, between locking bar and chute, be also provided with back-moving spring, this seat is when adjusting back, need active force to be put in control lever simultaneously, thereby make in locking bar indentation locking bar mount pad, no longer stop the motion of support portion, rear end, could realize the adjusting of the chair back, once loose one's grip, (withdraw the active force putting in control lever), locking bar will reset under action of reset spring, so that cannot remove its stopping support portion, rear end, causing cannot adjusting back, regulate comparatively trouble.
Utility model content
The purpose of this utility model is to overcome the deficiency that above-mentioned prior art exists, and a kind of easy to operate Chair underframe with lock function is provided, to overcome the deficiencies in the prior art.
The purpose of this utility model is achieved in that
A Chair underframe with lock function, comprises chassis main body and locking bar, and chassis main body is provided with locking bar mount pad, and the corresponding locking bar of locking bar mount pad is provided with chute, and locking bar is slidably arranged in chute, and the corresponding locking bar of chute outer end is provided with opening; It is characterized in that: also comprise locking mechanism, this mechanism comprises slide block, balancing point, back-moving spring and pull bar; Described slide block is slidably arranged in the main body of chassis, and shoe surface is provided with back-shaped groove, and balancing point swings and is arranged in the main body of chassis, balancing point is provided with a hook portion, hook portion is inserted in back-shaped groove and the motion of wraparound shape groove, is provided with at least two location divisions in back-shaped groove, and described hook portion rests on a place, location division; Described back-moving spring is arranged between locking bar the inner and chute inner face; Described pull bar one end is connected with locking bar, and the other end passes chute inner face and is connected with slide block.
The purpose of this utility model can also adopt following technical measures to solve:
As a kind of scheme more specifically, in described back-shaped groove, be provided with V-type boss, the place, tip of the corresponding V-type boss of back-shaped groove is provided with prelocalization portion, and the recess of V-type boss forms rear location division, and after back-shaped groove correspondence, place, location division is provided with guide hump.
Described locking mechanism also comprises base and upper cover, and base is fixed in the main body of chassis, and base is provided with bearing pin, balancing point one end is connected with bearing pin and swings around bearing pin, the balancing point other end curved hook portion that is provided with that makes progress, upper cover is arranged on base, and slide block is arranged between upper cover and base.
Described upper cover bottom is provided with line slideway, and slider top line correspondence guide rail is provided with gathering sill, and gathering sill coordinates with line slideway linear slide, and described slide block is also connected with traction steel wire, and traction steel wire stretches out outside locking mechanism.
Described locking mechanism also comprises inner cap, and inner cap is connected with base and is arranged on balancing point, and the corresponding balancing point left and right sides, inner cap bottom is provided with baffle plate, and the corresponding baffle plate of base is provided with jack, and baffle plate inserts in jack.
Place, the corresponding locking bar of described chassis main body outer end is provided with backrest support rods, and corresponding backrest support rods two ends, main body both sides, chassis are provided with deep-slotted chip breaker, and backrest support rods two ends are set on respectively in a deep-slotted chip breaker.
The beneficial effects of the utility model are as follows:
(1) locking bar of this kind of Chair underframe is connecting locking mechanism, when needs adjusting back, by in locking mechanism controls locking bar indentation chute and locking bar be automatically locked in chute, so that user's adjusting back, after regulating the chair back, by locking mechanism controls locking bar, stretch out the outer and locking bar of chute again and automatically lock, thereby make the chair back be fixed on current angle;
(2) locking bar of this kind of Chair underframe has the locking of stretching out with two states of indentation, specifically the slide block in locking mechanism drives locking bar motion, slide block is at least provided with prelocalization portion and rear location division, when current location division rests on balancing point hook portion, locking bar is locked in the state of stretching out, after pulling slide block, rear location division rests on balancing point hook portion, locking bar is locked in indentation state, and it is easy to operate, when locking bar is locked in certain state, can remove external force.
Accompanying drawing explanation
Fig. 1 is the utility model one embodiment decomposition texture schematic diagram.
Fig. 2 is locking mechanism structural representation.
Fig. 3 is that slide block is looked up structural representation.
Fig. 4 is that the utility model is looked up structural representation.
Fig. 5 is the C-C sectional structure schematic diagram of Fig. 4.
Fig. 6 is the D-D sectional structure schematic diagram of Fig. 5.
Fig. 7 to Fig. 9 is a plurality of working state structure schematic diagrames of locking mechanism.
Figure 10 is a status architecture schematic diagram after the utility model assembling.
Figure 11 is another status architecture schematic diagram after the utility model assembling.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is further described.
Referring to shown in Fig. 1 to Fig. 5, a kind of Chair underframe with lock function, comprise chassis main body 1 and locking bar 3, chassis main body 1 is provided with locking bar mount pad 5, the corresponding locking bar 3 of locking bar mount pad 5 is provided with chute 51(and sees Fig. 5 and Fig. 6), locking bar 3 is slidably arranged in chute 51, and the corresponding locking bar of chute 51 3 outer ends are provided with opening; It is characterized in that: also comprise locking mechanism 2, this mechanism comprises slide block 26, balancing point 22, back-moving spring 28 and pull bar 27; Described slide block 26 is slidably arranged in chassis main body 1, slide block 26 surfaces are provided with back-shaped groove 261, balancing point 22 swings and is arranged in chassis main body 1, balancing point 22 is provided with a hook portion 221, hook portion 221 is inserted in back- shaped groove 261 and 261 motions of wraparound shape groove, in back-shaped groove 261, be provided with at least two location divisions, described hook portion 221 rests on a place, location division; Described back-moving spring 28 is arranged between locking bar 3 the inners and chute 51 inner faces; Described pull bar 27 one end are connected with locking bar 3, and the other end passes chute 51 inner faces and is connected with slide block 26.
In described back-shaped groove 261, be provided with V-type boss 262, the place, tip of the corresponding V-type boss 262 of back-shaped groove 261 is provided with prelocalization portion 263, and the recess of V-type boss 262 forms rear location division 264, and after back-shaped groove 261 is corresponding, 264 places, location division are provided with guide hump 265.
Described locking mechanism 2 also comprises base 21 and upper cover 25, base 21 is fixed in chassis main body 1, base 21 is provided with bearing pin 211, balancing point 22 one end are connected with bearing pin 211 and swing around bearing pin 211, the balancing point 22 other ends curved hook portion 221 that is provided with that makes progress, upper cover 25 is arranged on base 21, and slide block 26 is arranged between upper cover 25 and base 21.
Described upper cover 25 bottoms are provided with line slideway 251, slide block 26 top line correspondence guide rails 251 are provided with gathering sill 260, gathering sill 260 coordinates with line slideway 251 linear slide, and described slide block 26 is also connected with traction steel wire 24, and traction steel wire 24 stretches out outside locking mechanism 2.The outer end of traction steel wire 24 is with control lever under chair cushion or control handle and be connected, not shown.
Described locking mechanism 2 also comprises inner cap 23, and inner cap 23 is connected with base 21 and is arranged on balancing point 22, and corresponding balancing point 22 left and right sides, inner cap 23 bottoms are provided with baffle plate 231, and the corresponding baffle plate 131 of base 21 is provided with jack 212, and baffle plate 231 inserts in jack 212.
The corresponding locking bar of described chassis main body 13 places, outer end are provided with backrest support rods 4, and corresponding backrest support rods 4 two ends, chassis main body 1 both sides are provided with deep-slotted chip breaker 11, and backrest support rods 4 two ends are set on respectively in a deep-slotted chip breaker 11.
Above-mentioned chassis main body 1 is the seat cushion below that seat is set, and backrest support rods 4 is connected with back bracket, not shown.
Its operation principle is: referring to Fig. 4, Fig. 5, Fig. 6 and Figure 10, backrest support rods 4 is positioned at the upper end of deep-slotted chip breaker 11, and locking bar 3 stretches out outside the chute 51 of locking bar mount pad 5, thereby stops that backrest support rods 4 moves downward.Shown in Fig. 3, when needs are controlled locking bar 3 indentation chutes 51 when interior, by traction steel wire 24, pull slide block 26, the hook portion 221 of balancing point 22 moves relative to slide block 26, hook portion 221 moves to the A (being one side of guide hump 265) of back-shaped groove 261 from the prelocalization portion 263 of the back-shaped groove 261 of slide block 26 along arrow a direction, as shown in Figure 7; Then, discharge the active force on traction steel wire 24, slide block 26 is pulled back under back-moving spring 28 effects, and location division 264 after hook portion 221 enters into along the b direction of arrow under guide hump 265 guiding, in locking bar 3 indentation chutes 51 and locked, as shown in Figure 8; Now can regulate the chair back, the backrest support rods 4 that is positioned at deep-slotted chip breaker 11 upper ends can be adjusted to and be positioned at deep-slotted chip breaker 11 lower ends.Shown in Fig. 3 and Fig. 9, when backrest support rods 4 be adjusted to be positioned at deep-slotted chip breaker 11 lower ends after (shown in Figure 11), for fear of backrest support rods 4 resiliences, by traction steel wire 24, pull slide block 26 again, hook portion 221 moves to the B (be guide hump 265 another by) of back-shaped groove 261 from the rear location division 264 of the back-shaped groove 261 of slide block 26 along arrow c direction, as shown in Figure 9; Then, discharge the active force on traction steel wire 24, slide block 26 is pulled back under back-moving spring 28 effects, and hook portion 221 is got back to prelocalization portion 263 along the d direction of arrow under guide hump 265 guiding, and locking bar 3 is the state in stretching out and locking again.
Claims (6)
1. a Chair underframe with lock function, comprises chassis main body and locking bar, and chassis main body is provided with locking bar mount pad, and the corresponding locking bar of locking bar mount pad is provided with chute, and locking bar is slidably arranged in chute, and the corresponding locking bar of chute outer end is provided with opening;
It is characterized in that: also comprise locking mechanism, this mechanism comprises slide block, balancing point, back-moving spring and pull bar;
Described slide block is slidably arranged in the main body of chassis, and shoe surface is provided with back-shaped groove, and balancing point swings and is arranged in the main body of chassis, balancing point is provided with a hook portion, hook portion is inserted in back-shaped groove and the motion of wraparound shape groove, is provided with at least two location divisions in back-shaped groove, and described hook portion rests on a place, location division;
Described back-moving spring is arranged between locking bar the inner and chute inner face;
Described pull bar one end is connected with locking bar, and the other end passes chute inner face and is connected with slide block.
2. Chair underframe with lock function according to claim 1, it is characterized in that: in described back-shaped groove, be provided with V-type boss, the place, tip of the corresponding V-type boss of back-shaped groove is provided with prelocalization portion, and the recess of V-type boss forms rear location division, and after back-shaped groove correspondence, place, location division is provided with guide hump.
3. Chair underframe with lock function according to claim 1, it is characterized in that: described locking mechanism also comprises base and upper cover, base is fixed in the main body of chassis, base is provided with bearing pin, balancing point one end is connected with bearing pin and swings around bearing pin, the balancing point other end curved hook portion that is provided with that makes progress, upper cover is arranged on base, and slide block is arranged between upper cover and base.
4. Chair underframe with lock function according to claim 3, it is characterized in that: described upper cover bottom is provided with line slideway, slider top line correspondence guide rail is provided with gathering sill, gathering sill coordinates with line slideway linear slide, described slide block is also connected with traction steel wire, and traction steel wire stretches out outside locking mechanism.
5. Chair underframe with lock function according to claim 3, it is characterized in that: described locking mechanism also comprises inner cap, inner cap is connected with base and is arranged on balancing point, and the corresponding balancing point left and right sides, inner cap bottom is provided with baffle plate, the corresponding baffle plate of base is provided with jack, and baffle plate inserts in jack.
6. Chair underframe with lock function according to claim 1, it is characterized in that: place, the corresponding locking bar of described chassis main body outer end is provided with backrest support rods, corresponding backrest support rods two ends, main body both sides, chassis are provided with deep-slotted chip breaker, and backrest support rods two ends are set on respectively in a deep-slotted chip breaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320619486.8U CN203493154U (en) | 2013-10-09 | 2013-10-09 | Seat chassis with locking function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320619486.8U CN203493154U (en) | 2013-10-09 | 2013-10-09 | Seat chassis with locking function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203493154U true CN203493154U (en) | 2014-03-26 |
Family
ID=50324173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320619486.8U Expired - Fee Related CN203493154U (en) | 2013-10-09 | 2013-10-09 | Seat chassis with locking function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203493154U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108244861A (en) * | 2018-02-28 | 2018-07-06 | 安吉县大志家具制造有限公司 | A kind of front and rear locking device adjusted of executive chair seat |
-
2013
- 2013-10-09 CN CN201320619486.8U patent/CN203493154U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108244861A (en) * | 2018-02-28 | 2018-07-06 | 安吉县大志家具制造有限公司 | A kind of front and rear locking device adjusted of executive chair seat |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170504 Address after: Guangdong Province, Zhongshan City Shengping road 528400 Nantou Town, No. 7, 2 Patentee after: Zhongshan top Furniture Co., Ltd. Address before: Guangdong Province, Zhongshan City Shengping road 528400 Nantou Town, No. 7 Patentee before: Chen Min |
|
| 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: 20140326 Termination date: 20191009 |