CN207186380U - A kind of chair frame with high intensity and high stability - Google Patents
A kind of chair frame with high intensity and high stability Download PDFInfo
- Publication number
- CN207186380U CN207186380U CN201720267017.2U CN201720267017U CN207186380U CN 207186380 U CN207186380 U CN 207186380U CN 201720267017 U CN201720267017 U CN 201720267017U CN 207186380 U CN207186380 U CN 207186380U
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- Prior art keywords
- chair frame
- connector
- tube
- driving tube
- upper ledge
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- 230000007246 mechanism Effects 0.000 claims abstract description 29
- 238000003466 welding Methods 0.000 claims description 12
- 238000010276 construction Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000037396 body weight Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
The utility model proposes a kind of chair frame with high intensity and high stability, it includes base front, rear, left and right support tube, pedal support is connected by linkage with preceding driving tube, and the both ends of main motor expansion link mechanism are connected with preceding driving tube and base rear supporting tube respectively；Driving tube is connected after driving tube and backrest before the both ends of backrest motor expansion link mechanism and backrest, and upper ledge is fixed with connector, and the rear end of the left and right support tube of base is fixed with connector；The both sides of preceding driving tube are fixed with fastener, and the clamping pin structure coordinated with fastener is fixed with upper ledge.Described chair frame, bayonet lock attachment structure is set up between the both ends of preceding driving tube and upper ledge, form three-point mount structure spatially, the landing weight of seat is substantially improved while improves the stability of seat, motor expansion link mechanism is effectively protected；Upper ledge, which is connected thereto part and chair frame or so support tube and is connected thereto between part, is welded to connect precision height, and landing strength and stability is high.
Description
Technical field
It the utility model is related to technical field of mechanical design, more particularly to a kind of chair with high intensity and high stability
Frame.
Background technology
Multifunctional chair is that one kind can be deployed as chaise longue or massage armchair, and lifting can also be carried out after retraction and is used as one
As office or the multi-functional of seat for home use use chair, it can bring a variety of use demands, therefore by many users
Welcome.The chair frame of multifunctional chair generally comprises seat portion and the foot section that can deploy or withdraw, at present typically all
It is by installing motor expansion link mechanism and multiple bar linkage structures in the chair frame bottom of seat portion to realize the pin of multifunctional chair
Step on expansion and withdrawal and the lifting action of seat of part.
A kind of current chair frame for being used to manufacture multifunctional chair shown in reference picture 1, it includes base 10, and base 10 includes
Base front support pipe 12, base rear supporting tube 14, base right support pipe 16 and base left support pipe 18 (see Fig. 4), set in pairs
The pedal support 42 put is connected by linkage with preceding driving tube 40, one end and the preceding driving tube of main motor expansion link mechanism 50
40 are connected, and the other end is connected with base rear supporting tube 14；Left and right armrest support 36 and two of driving tube 34 before backrest
End is connected, and is connected before backrest between driving tube 34 and preceding driving tube 40 by linkage, backrest motor expansion link mechanism
Driving tube 34 is connected before 60 one end and backrest, and the other end is connected with driving tube after backrest 32；The front end of upper ledge 20
Fixed with the upper weld of connector 26, the front end of lower frame 30 is connected by rivet with the bottom of connector 26.
The multifunctional chair made using above-mentioned chair frame, connection is secured to by the driving of main motor expansion link mechanism 50
Preceding driving tube 40, then by the linkage between preceding driving tube 40 and pedal support 42 can by it is foot-operated stretch out deploy, with
Family it is relatively proper when being sitting on chair, the problem of being not in typically big, still, under many circumstances, user can be close
The side of chair is sat, or even sometimes, user can directly be sitting in foot-operated side (position that two arrows point in figure), this
In the case of kind, the main by weight of user's body can be delivered to a side of preceding driving tube 40 by linkage, on the one hand, even
Linkage is connected by way of riveting, when overweight strength is applied thereon, seat can be caused unstable, of long duration
The deformation of linkage can be caused and then exacerbate the unstability of seat；More seriously, due to preceding driving tube 40 and master
Motor expansion link mechanism 50 is fixedly connected, and overweight body wt can be directly delivered on motor expansion link, over time will
The bending of motor expansion link is caused, stretching, extension, the lifting action of seat is hindered, influences the use of user；What is more, when with
When family body weight is excessive, the fracture of motor expansion link can be caused, seat is lost due function.These can all cause the matter of product
Amount defect even damages to user.
In addition, in current chair frame, Fig. 1 amplifier section, the connected mode between upper ledge 20 and connector 26 are participated in
For the upper ledge 20 for first constructing square tube is tentatively fixed on two connecting plates 2601 of connector 26 by rivet 206 (two)
Between, welded after then the top surface of upper ledge is alignd with the top of connecting plate 2061, welding is that upper ledge is adjacent with connector
Side integral solder.Railway Project be present in this mode of being connected, and first, it is to lean on water when upper ledge 20 is with 26 Primary Location of connector
Flat two rivets set are pre-fixed, because all parts to cooperate all have unavoidable dimensional tolerance, meeting
Can not be perfectly aligned between the top surface and connecting plate 2601 of upper ledge 20 when causing to weld, difficulty during welding is added, particularly
It is difficult to ensure that two connecting plates 2601 can be accurately positioned with upper ledge 20, easily causes bad formed of welding quality and report
It is useless；Moreover, in order to ensure the bonding strength between upper ledge 20 and two connecting plates 2601 of connector 26, prevent when seat is long
Between deform after use, at present using the mode of adjacent edge integral solder, which increases the workload of welding.Together
Sample, base right support pipe 16 and the rear end of base left support pipe 18 and the problem that is connected of connector 25 are identical with this.
Therefore, the problem of existing for multifunction seat chair frame of the prior art is, it is necessary to make improvements, increase seat
The stability and bearing strength of chair, and difficulty when reducing processing.
Utility model content
According to the problems of the prior art, the purpose of this utility model is to provide a kind of improved multifunction seat chair frame,
It has very excellent bearing strength and high stability, and can reduce difficulty when chair frame is processed.
To reach the purpose of this utility model, the utility model proposes a kind of chair frame with high intensity and high stability,
It includes base, and the base includes base back and front supporting pipe, the left and right support tube of base, pedal support by linkage with
Preceding driving tube connection, one end and the preceding driving tube of main motor expansion link mechanism are connected, and the other end connects with base rear supporting tube
Connect fixation；Left and right ends of the left and right armrest support respectively with driving tube before backrest are connected, driving tube and preceding driving before backrest
Connected between pipe by linkage, driving tube is connected before one end of backrest motor expansion link mechanism and backrest, the other end
It is connected with driving tube after backrest；The front end of upper ledge and the top of connector are connected, the front end of lower frame by rivet with
The bottom connection of connector, the rear end of lower frame is connected by rivet with connector；The rear end of the left and right support tube of base and connector
Bottom be connected；The both sides of described preceding driving tube are also connected with being fixed with fastener, are fixed with upper ledge and match somebody with somebody with fastener
The clamping pin structure of conjunction.
Preferably, described fastener include with the square hole that is connect with preceding driving sleeve, the first Access Division and with the first card
Socket part is backwards to the second Access Division set；Described clamping pin structure include with upper ledge fix fixed part, first with fastener
The bearing pin that Access Division coordinates.
Further preferably, described clamping pin structure also includes limiting section, and bearing pin is located between fixed part and limiting section.
Further preferably, the linkage of the both sides of the tie point and chair frame of described fastener and clamping pin structure is not same
In plane.
Further preferably, it is rear on driving tube before described fastener is installed to by square hole to be welded and fixed with it.
Further preferably, bayonet lock is provided with upper ledge connector, after the pedal support of chair frame is withdrawn, described fastener
Second Access Division abuts with the bayonet lock.
Further preferably, connection rivet, the company are set in the centre position of two pieces of connecting plates of described upper ledge connector
Connect the rivet connected between rivet and upper ledge and connector not on the same line.
Further preferably, connection rivet is set in the centre position of two connecting plates of the connector of the left and right support tube of base,
The rivet connected between the left and right support tube of the connection rivet and base and connector is not on the same line.
Further preferably, fixed between described upper ledge and connector by the way of spot welding.
Further preferably, it is described to be fixed between the left and right support tube of base is connected thereto part by the way of spot welding.
The beneficial effects of the utility model are the chair frames with high intensity and high stability, the two of preceding driving tube
Each increase sets one group of bayonet lock attachment structure between end and upper ledge, and this bayonet lock attachment structure and chair frame upper ledge, base or so are propped up
Stay tube, linkage etc. in the same plane, do not form three-point mount bearing structure spatially, when user is sat on chair
When, the weight of body can be delivered on chair frame base by this structure first, and the weight exceeded can just be delivered to motor expansion link
On mechanism bearing structure, the landing weight of seat is substantially improved while improves the stability of seat, and to motor expansion link
Mechanism is effectively protected；Upper ledge is secured between connector and chair frame or so support tube be secured to connector it
Between attachment structure carry out improvement design, not only increase the precision being welded and fixed, and the landing for improving attachment structure is strong
Degree and stability.
Brief description of the drawings
By detailed description below in conjunction with the accompanying drawings, the foregoing and other objects, features and advantages of the utility model will
Become apparent.Wherein：
Fig. 1 show the structural representation of the chair frame for multifunction seat of prior art；
Fig. 2 show the structural representation of the chair frame for multifunction seat of an embodiment of the present utility model；
Fig. 3 A show the structural representation for the fastener fixed in Fig. 2 chair frame with preceding driving tube；
Fig. 3 B are shown in Fig. 2 chair frame and the structural representation of the clamping pin structure coordinated with Fig. 3 A fastener；
Fig. 4 show the view after Fig. 2 chair frame pedal support withdrawal；
Fig. 5 show the view after Fig. 2 chair frame rise；
Fig. 6 show the structural representation for the connector being connected in Fig. 2 chair frame with upper ledge.
Piece mark and title corresponding table are as follows in figure：
10- base 12- base front support pipe 14- base rear supporting tubes
16- base right support pipe 18- base left support pipe 20- upper ledges
25 (25 ')-lower frame connector 26 (26 ')-upper ledge connector 261- bayonet locks
Driving tube before driving tube 34- backrests after 30- lower frame 32- backrests
Driving tube is fixedly connected with block before driving tube 41- before 36- armrest supports 40-
The first Access Divisions of 42- pedal support 44- fastener 441- square holes 443-
The second Access Divisions of 445- 46- clamping pin structure 461- fixed part 463- bearing pins
The main motor expansion link mechanism 60- backrests motor expansion link mechanisms of 465- limiting sections 50-
Embodiment
It is described below in detail with reference to accompanying drawing architectural feature of the present utility model and advantage.
The structural representation of the chair frame for multifunction seat of an embodiment of the present utility model shown in reference picture 2,
Described chair frame includes base 10, and the base 10 includes base front support pipe 12, base rear supporting tube 14, base right support pipe
16 and base left support pipe 18 (see Fig. 4), the pedal support 42 being arranged in pairs be connected by linkage with preceding driving tube 40,
One end of main motor expansion link mechanism 50 is connected with preceding driving tube 40, and the other end is connected with base rear supporting tube 14；
The left and right ends of left and right armrest support 36 and driving tube before backrest 34 are connected, driving tube 34 and preceding driving tube 40 before backrest
Between connected by linkage, driving tube 34 is connected before one end of backrest motor expansion link mechanism 60 and backrest, another
End is connected with driving tube after backrest 32；The front end of upper ledge 20 is connected with the top of connector 26 ', the front end of lower frame 30
It is connected by rivet with the bottom of connector 26 ', the rear end of lower frame 30 is connected by rivet with connector 25 '；Base right support
Pipe 16 is connected with the rear end of base left support pipe 18 and the bottom of connector 25 '；The both sides of described preceding driving tube 40 are also
Fastener 44 is fixedly connected with, the clamping pin structure 46 coordinated with fastener 44 is fixed with upper ledge 20.It is described shown in reference picture 3A
Fastener 44 include with the square hole 441 that is socketed with preceding driving tube 40, the first Access Division 443 and carried on the back with the first Access Division 443
To the second Access Division 445 of setting, fastener 44 is welded and fixed with it again after being installed to by square hole 441 on preceding driving tube 40；
Described clamping pin structure 46 includes the fixed part 461 fixed with upper ledge, the bearing pin coordinated with the first Access Division 443 of fastener 44
463 and limiting section 465, bearing pin 463 is located between fixed part 461 and limiting section 465；Reference picture 4, described connector 26 '
It is provided with the bayonet lock 261 coordinated with the second Access Division 445 of fastener 44.
Shown in reference picture 2, when the pedal support 42 of chair frame is driven via preceding driving tube 40 by main motor expansion link mechanism 50
And after linkage stretches in place forward, it is described be arranged on before fastener 44 on driving tube 40 the first Access Division 443 with
The bearing pin 463 for the clamping pin structure 46 being fixed on upper ledge abuts, now, when user sits on the seat, the body that is applied
Weight can be delivered to upper ledge 20, then the fixedly connected part by upper ledge 20 by the combination of fastener 44 and clamping pin structure 46 first
46 ' are delivered to and are in contact with it on right (left side) support tube of base, and base support tube is placed in ground, in this way, being set up by this
Fastener 44 and clamping pin structure 46, just adds additional a bearing structure to chair frame, increase the landing weight of chair frame.Separately
Outside, in order to ensure the using effect of this bearing structure, in the first Access Division 443 of the described fastener 44 of design and bearing pin 463
Fit structure when, when pedal support 42 stretches in place, one is left between the bottommost of the Access Division 443 of bearing pin 463 and first
Fixed gap, now, bearing pin 463 are abutted to form bearing mechanism with the side of the first Access Division 443；When the landing weight on seat
When amount exceedes certain numerical value, bearing pin 463 could be fitted close completely with the first Access Division 443, now, on the seat exceeded
Body wt can be delivered on the expansion link for the main motor expansion link mechanism 50 being fixedly connected with preceding driving tube 40, then be delivered to
On the base rear supporting tube 14 that the other end of main motor expansion link mechanism 50 is fixed, in this way, by such design, on the one hand increase
The big landing weight of chair frame, on the other hand forms to main motor expansion link mechanism 50 and is effectively protected, will not stretch main motor
Rod reducing machine structure 50 even damages due to carrying overweight easily deform, and ensure that the quality and service life of chair frame.In addition, it is
Ensure the stability of chair frame, described fastener 44 be arranged on before on driving tube 40 apart from upper ledge 20 and the left and right support of base
The position of plane certain distance where pipe, in this way, the abutment A of fastener 44 and clamping pin structure 46, on the preceding end of driving tube 40
The fixing point B for being fixedly connected with block 41 and linkage and the fixed connection point C of itself and armrest support 36 just constitute space
On three-point mount supporting construction, a highly stable space pressure-bearing construction can be provided, so, not only ensure that chair frame
Landing weight, even if user sits close to seat side, i.e. when the body wt almost all of user is applied to the side of chair frame,
Also it can guarantee that the stability of seat.
Referring next to Fig. 4, bayonet lock 261 is provided with upper ledge connector 46 ', when the pedal support 42 of chair frame is stretched in main motor
After being withdrawn under the driving of rod reducing machine structure 50 via preceding driving tube 40 and linkage, the second Access Division of described fastener 44
445 abut with bayonet lock 261, now, the new solid space being made up of the abutment including the second Access Division 445 and bayonet lock 261
On three-point mount supporting construction have an effect, when user sit on the seat when, the weight of the body applied can pass through first
The combination of fastener 44 and bayonet lock 261 is delivered to upper ledge 20, then is delivered to and be in contact with it by the fixedly connected part 46 ' of upper ledge 20
On (left side) support tube of the base right side, the extra bearing structure that reconstitutes by this, increase the landing weight of chair frame, guarantee seat
Landing weight after foot-operated withdraw.Equally, in described the second Access Division 445 of fastener 44 of design and matching somebody with somebody for bayonet lock 261
When closing structure, after the withdrawal of pedal support 42, certain gap is left between the bottommost of the Access Division 445 of bayonet lock 261 and second,
Only when the body wt on seat exceedes certain numerical value, bayonet lock 261 could closely be matched somebody with somebody completely with the second Access Division 445
Close, now, the body wt on seat exceeded can be delivered to the main motor expansion link mechanism being fixedly connected with preceding driving tube 40
On 50, then it is delivered on the base rear supporting tube 14 fixed with the other end of main motor expansion link mechanism 50, in this way, by so
Design, on the one hand increase the landing weight of chair frame, on the other hand main motor expansion link mechanism 50 formed and is effectively protected.
Similar, it is flat where upper ledge 20 and the left and right support tube of base on driving tube 40 before being arranged on due to described fastener 44
The position of face certain distance, in this way, the new three-point mount spatially being made up of the attachment structure of fastener 44 and bayonet lock 261
Supporting construction, a highly stable space pressure-bearing construction can be provided, so, not only ensure that the landing weight of chair frame, i.e.,
When the user is sat close to seat side, i.e. when the body wt almost all of user is applied to the side of chair frame, it also can guarantee that seat
The stability of chair.
The view after chair frame lifting shown in reference picture 5, after chair frame is lifted to precalculated position, described engaging
Second Access Division 445 of part 44 and bayonet lock 261 keep abutting state, now, similar with Fig. 4, by including the second Access Division 445 with
The three-point mount supporting construction on new solid space that the abutment of bayonet lock 261 is formed is had an effect, when user is sitting in seat
When upper, the weight of the body applied can be delivered to upper ledge 20 by the combination of fastener 44 and bayonet lock 261 first, then by upper
The fixedly connected part 46 ' of frame 20 is delivered to connected lower frame 30, because the other end and the lower frame connector 25 ' of lower frame 30 connect
Connect, and right (left side) support tube 16 (18) fixation of lower frame connector 25 ' and base, in this way, by the bearing structure of this additional,
The landing weight of chair frame in the weight transmitting of body to chair frame base, will be increased, and motor expansion link mechanism is formed effectively
Protection.Similarly, since described fastener 44 is arranged on preceding driving tube 40 where upper ledge 20 and the left and right support tube of base
The position of plane certain distance, in this way, the attachment structure and upper ledge 40 and the left and right support tube of base of fastener 44 and bayonet lock 261
New three-point mount supporting construction spatially is also constituted, a highly stable space pressure-bearing construction can be provided, so,
The landing weight of chair frame is not only ensure that, even if user sits close to seat side, i.e. the body wt almost all of user is applied
When being added in the side of chair frame, the stability of seat also can guarantee that.
Reference picture 6, the chair frame of multifunction seat of the present utility model, in order to improve between upper ledge 20 and connector 26 '
The convenience of connection, the accuracy and reliability of connection, are installed in the interposition of two pieces of connecting plates of described connector 26 '
Connection rivet 267 is put, in this way, when upper ledge 20 and connector 26 ' are pre-fixed and welded, upper ledge connects with connector 26 '
Connection rivet 267 between two rivets 263,265 and two connecting plates of connector 26 ' that connect just forms one stable three
Point robust structure, it is ensured that the problem of contraposition inaccurately causes welding quality bad will not occur between upper ledge 20 and connector 26 '；
Further, since the presence of this 3 robust structures, can also avoid the fixed structure of upper ledge 20 and connector 26 ' when seat is long
Between the problem of easily deforming during use, improve the stability and intensity of seat；On this basis, upper ledge and connector
Between can not using whole piece side all welding and only with spot welding (such as unilateral only need two spot welding) by the way of can protect
Demonstrate,prove its strength and stability.Equally, for the left and right support tube of base 18,16 and connector 25 ' be fixedly connected with mechanism for,
Also same design is done, connection rivet is also provided with the centre position of two connecting plates of connector 25 ', is not repeated herein superfluous
State.
The chair frame of multifunctional chair of the present utility model with very excellent bearing strength and superregulated property, in forerunner
Each increase sets one group of fastener and bayonet lock attachment structure, and this bayonet lock attachment structure and chair frame between the both ends of dynamic pipe and upper ledge
Upper ledge, base support tube, linkage etc. in the same plane, do not form three-point mount bearing structure spatially, when with
When family is sat on chair, the weight of body can be delivered on chair frame base by this structure first, and the weight exceeded can just be transmitted
Onto motor expansion link mechanism bearing structure；The front and rear part of fastener sets Access Division respectively, it is ensured that is ridden in chair frame
The extra bearing structure that can be formed under each use state under stent, withdrawal and seat lifting state, in this way, not
The landing weight of seat can only be substantially improved, while also improves the stability of seat, even in user's non-normal use
When also do not cause problems；It is effectively protected in addition, also being constituted to motor expansion link mechanism, avoids it from easily deforming very
To the problem of fracture；Upper ledge is secured between connector and chair frame or so support tube is secured to company between connector
Binding structure carries out improvement design, not only increases the precision being welded and fixed, and improves the landing intensity of attachment structure and steady
It is qualitative.
The utility model is not limited to described embodiment, those skilled in the art do not depart from it is of the present utility model
In the i.e. open scope of spirit, it can still make some amendments or change, therefore rights protection scope of the present utility model is with claims
The scope of restriction is defined.
Claims (10)
1. a kind of chair frame with high intensity and high stability, it is characterised in that the chair frame includes base, and the base includes
Base back and front supporting pipe, the left and right support tube of base, pedal support are connected by linkage with preceding driving tube, and main motor stretches
One end of linkage is connected with preceding driving tube, and the other end is connected with base rear supporting tube；Left and right armrest support difference
It is connected with the left and right ends of driving tube before backrest, is connected before backrest between driving tube and preceding driving tube by linkage,
Driving tube is connected before one end of backrest motor expansion link mechanism and backrest, and the other end is connected with driving tube after backrest；
The front end of upper ledge and the top of connector are connected, and the front end of lower frame is connected by the bottom of rivet and connector, lower frame
Rear end is connected by rivet with connector；The rear end of the left and right support tube of base and the bottom of connector are connected；Before described
The both sides of driving tube are also connected with being fixed with fastener, and the clamping pin structure coordinated with fastener is fixed with upper ledge.
A kind of 2. chair frame with high intensity and high stability as claimed in claim 1, it is characterised in that described fastener
Including the square hole with being connect with preceding driving sleeve, the first Access Division and with the first Access Division backwards to the second Access Division set；Institute
The clamping pin structure stated includes the fixed part fixed with upper ledge, the bearing pin coordinated with the first Access Division of fastener.
A kind of 3. chair frame with high intensity and high stability as claimed in claim 2, it is characterised in that described fastener
It is rear on driving tube before being installed to by square hole to be welded and fixed with it.
A kind of 4. chair frame with high intensity and high stability as claimed in claim 2, it is characterised in that described bayonet lock knot
Structure also includes limiting section, and bearing pin is located between fixed part and limiting section.
A kind of 5. chair frame with high intensity and high stability as claimed in claim 1, it is characterised in that described fastener
With the tie point of clamping pin structure and the linkage of the both sides of chair frame not at grade.
6. a kind of chair frame with high intensity and high stability as claimed in claim 1, it is characterised in that connect in the upper ledge
Fitting is provided with bayonet lock, and after the pedal support of chair frame is withdrawn, the second Access Division of described fastener abuts with the bayonet lock.
7. a kind of chair frame with high intensity and high stability as claimed in claim 1, it is characterised in that in described upper ledge
The centre position of two pieces of connecting plates of connector sets connection rivet, is connected between the connection rivet and upper ledge and connector
Rivet is not on the same line.
A kind of 8. chair frame with high intensity and high stability as described in claim 1 or 7, it is characterised in that base it is left,
The centre position of two connecting plates of the connector of right support pipe sets connection rivet, the connection rivet and the left and right branch of base
The rivet connected between stay tube and connector is not on the same line.
A kind of 9. chair frame with high intensity and high stability as claimed in claim 7, it is characterised in that described upper ledge with
Fixed between connector by the way of spot welding.
10. a kind of chair frame with high intensity and high stability as claimed in claim 8, it is characterised in that described the bottom of at
The left and right support tube of seat is fixed between being connected thereto part by the way of spot welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720267017.2U CN207186380U (en) | 2017-03-20 | 2017-03-20 | A kind of chair frame with high intensity and high stability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720267017.2U CN207186380U (en) | 2017-03-20 | 2017-03-20 | A kind of chair frame with high intensity and high stability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207186380U true CN207186380U (en) | 2018-04-06 |
Family
ID=61792675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720267017.2U Expired - Fee Related CN207186380U (en) | 2017-03-20 | 2017-03-20 | A kind of chair frame with high intensity and high stability |
Country Status (1)
| Country | Link |
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| CN (1) | CN207186380U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106724260A (en) * | 2017-03-20 | 2017-05-31 | 泰州市瑞美机械有限公司 | A kind of chair frame with high intensity and high stability |
-
2017
- 2017-03-20 CN CN201720267017.2U patent/CN207186380U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106724260A (en) * | 2017-03-20 | 2017-05-31 | 泰州市瑞美机械有限公司 | A kind of chair frame with high intensity and high stability |
| CN106724260B (en) * | 2017-03-20 | 2023-11-07 | 泰州市瑞美机械有限公司 | Chair frame with high strength and high stability |
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| GR01 | Patent grant | ||
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| 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: 20180406 |