CN208080951U - A kind of Height-adjustable support knife assembly - Google Patents
A kind of Height-adjustable support knife assembly Download PDFInfo
- Publication number
- CN208080951U CN208080951U CN201720602567.5U CN201720602567U CN208080951U CN 208080951 U CN208080951 U CN 208080951U CN 201720602567 U CN201720602567 U CN 201720602567U CN 208080951 U CN208080951 U CN 208080951U
- Authority
- CN
- China
- Prior art keywords
- knife
- roller
- height
- support
- upper roller
- 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.)
- Active
Links
Abstract
The utility model discloses a kind of Height-adjustable support knife assembly, including support knife, upper roller, bottom roller and limited roller, wherein：Support knife is string configuration, and length direction is Y-direction, and width direction is X-direction, and short transverse is Z-direction；Upper roller is arranged on the top of support knife, and the shaft of upper roller is perpendicular to the plane for supporting the Y-direction of knife to be formed with X-direction；Bottom roller is arranged in the lower part of support knife, and the shaft of bottom roller is perpendicular to the plane for supporting the Y-direction of knife to be formed with X-direction；Limited roller setting is on support knife, and the shaft of limited roller is perpendicular to the plane for supporting the Y-direction of knife to be formed with Z-direction.Compared with prior art, the Height-adjustable of the utility model supports knife assembly, simple in structure, can support the weight of bed body, and easy for installation, and lifting is smooth.
Description
Technical field
The utility model is related to field of furniture more particularly to a kind of Height-adjustable to support knife assembly.
Background technology
Furniture refers to that the mankind maintain normal life, are engaged in production practices and carry out the essential a kind of device of social activities
Tool.Furniture also follows the step in epoch to continue to develop innovation, and of a great variety by now, materials are different, great variety of goods, and purposes is not
One, it is one of indispensable part of family life.
Furniture is made of material, structure, appearance forrns and function four factors, and wherein function is guide, is to push house
Has the power of development, structure is trunk, is the basis for realizing function.These four factors interknit, and condition each other.Due to family
Tool is to meet the certain material requisite of people and using purpose and design and fabrication, therefore furniture also has material and outer
Factor in terms of sight form.
Modern house life, which is particular about, saves life and saves space, therefore the concept of Height-adjustable occurs.Height-adjustable makes
Be under state in landing shape body, Height-adjustable without using state be in raised configuration, can thus make full use of because
The space occupied for bed.
Currently, the lifting structure of existing Height-adjustable is complicated, design is unreasonable, and installation is inconvenient, is not enough to the weight of support bed body
Amount, there are some potential safety problemss.
Utility model content
In order to overcome above-mentioned deficiency in the prior art, the utility model to provide a kind of Height-adjustable support knife assembly, structure
Simply, the weight of bed body can be supported, and easy for installation, lifting is smooth.
The Height-adjustable of the utility model supports knife assembly, including support knife, upper roller, bottom roller and limited roller, wherein：
The support knife is string configuration, and length direction is Y-direction, and width direction is X-direction, and short transverse is the side Z
To；
The upper roller is arranged on the top of the support knife, and the shaft of the upper roller is perpendicular to the Y for supporting knife
The plane in direction and X-direction composition；
The bottom roller is arranged in the lower part of the support knife, and the shaft of the bottom roller is perpendicular to the Y for supporting knife
The plane in direction and X-direction composition；
The limited roller is arranged on the support knife, and the shaft of the limited roller is perpendicular to the Y for supporting knife
The plane in direction and Z-direction composition；
The support knife is partially disposed in the stud openings pipe of Height-adjustable, and the stud openings pipe is in the longitudinal direction
It is provided with open end, the upper roller, bottom roller and limited roller roll in the stud openings pipe.
Preferably, the shaft installation site of the upper roller and the shaft installation site of the bottom roller, which exist, misplaces, institute
The shaft installation site of the shaft installation site and the bottom roller of stating upper roller is not in same perpendicular to the X of the support knife
On the straight line for the plane that direction is formed with Z-direction.
Preferably, the shaft installation site of the upper roller is stood than the shaft installation site of the bottom roller closer to described
The open end of column open tube.
Preferably, the position near the open end of the stud openings pipe of the upper roller with the bottom roller most
The position of open end far from the stud openings pipe is C in the horizontal distance of X-direction, and the stud openings pipe is in X-direction
Inner wall width distance is A, C=A.
Preferably, the limited roller includes upper limit idler wheel and lower limit idler wheel, and the upper limit idler wheel is arranged in institute
The top of support knife is stated, the lower limit idler wheel is arranged in the lower part of the support knife.
Preferably, a diameter of D of the limited roller, the stud openings pipe are B, B in the inside wall height distance of Z-direction
> D.
Preferably, B subtracts D equal to 1mm~5mm.
Preferably, the upper roller includes 1,2 or 3 group of idler wheel, and left and right two bearings, the bearing is arranged in every group of idler wheel
It is arranged in the both sides of the support knife.
Preferably, the bottom roller includes 1,2 or 3 group of idler wheel, and left and right two bearings, the bearing is arranged in every group of idler wheel
It is arranged in the both sides of the support knife.
Preferably, the bearing of the upper roller and the bottom roller is rigid bearing, and the bearing of the limited roller is packet
Glue bearing.
Height-adjustable provided by the utility model supports knife assembly, including support knife, upper roller, bottom roller and limited roller,
Wherein：Support knife is string configuration, and length direction is Y-direction, and width direction is X-direction, and short transverse is Z-direction；Upper rolling
Wheel is arranged on the top of support knife, and the shaft of upper roller is perpendicular to the plane for supporting the Y-direction of knife to be formed with X-direction；Bottom roller
It is arranged in the lower part of support knife, the shaft of bottom roller is perpendicular to the plane for supporting the Y-direction of knife to be formed with X-direction；Limited roller
Setting is on support knife, and the shaft of limited roller is perpendicular to the plane for supporting the Y-direction of knife to be formed with Z-direction.
Bed body is mounted on support knife, is simultaneously supported knife and is connect with clump weight by steel wire rope, the weight of clump weight and bed body
Measure roughly equal, support knife is string configuration, and according to principle of moments, support knife can share the huge weight of bed body.Support
Knife is partially disposed in the stud openings pipe of Height-adjustable, and stud openings pipe is provided with open end in the longitudinal direction, upper roller,
Bottom roller and limited roller roll in stud openings pipe, and upper roller and bottom roller are rolled along stud openings pipe up and down in the Y direction
Dynamic, limited roller limits in Z-direction and supports knife so that support knife will not be swung left and right, upper roller, bottom roller and limited roller
It is smooth to ensure that support knife rolls in stud openings pipe simultaneously.Compared with prior art, the Height-adjustable support of the utility model
Knife assembly, it is simple in structure, the weight of bed body can be supported, and easy for installation, lifting is smooth.
It misplaces in addition, the shaft installation site of upper roller and the shaft installation site of bottom roller exist, the shaft of upper roller
The plane that installation site and the shaft installation site of bottom roller are not formed perpendicular to the X-direction of support knife with Z-direction in same
Straight line on.The shaft installation site of upper roller than bottom roller shaft installation site closer to the open end of stud openings pipe.
Such structure can make support knife preferably place and be mounted in stud openings pipe, simultaneously because the gravity of bed body is only vertical
Downward, cause the top and bottom for supporting knife that can tilt, the stress point of upper roller is near the open end of stud openings pipe
Position, the stress point of bottom roller at the position of the open end farthest away from stud openings pipe, just with upper roller and bottom roller
Misalignment position is consistent so that upper roller and bottom roller rolling are more smooth.
Upper roller near the position of the open end of stud openings pipe and the opening farthest away from stud openings pipe of bottom roller
The position at mouth end is C in the horizontal distance of X-direction, and stud openings pipe is A, C=A in the inner wall width distance of X-direction.It is supporting
Knife is placed in stud openings pipe regardless of whether when bearing the gravity of bed body, and entire support knife can be completely parallel in the Y direction
Stud openings pipe moves, without any offset by gap.
Limited roller includes upper limit idler wheel and lower limit idler wheel, and upper limit idler wheel is arranged in the top of support knife, lower limit
Position idler wheel is arranged in the lower part of support knife.A diameter of D of limited roller, stud openings pipe are in the inside wall height distance of Z-direction
B, B > D.Due to bed body gravity downward, be oscilaltion, therefore, support knife can be swung left and right in the horizontal direction, limit rolling
Wheel is limited in Z-direction supports knife so that support knife will not be swung left and right in the horizontal direction.
As can be seen from the above technical solutions, the Height-adjustable of the utility model supports knife assembly, has the following advantages：Support
The design structure of knife assembly has well solved its stabilization for keeping vertical direction to move up and down in stud openings pipe, and left and right
The very little gap wobble in direction, and support that knife matches is idler wheel, ensure that scroll up and down it is smooth.
Description of the drawings
In order to illustrate more clearly of the technical solution of the utility model, attached drawing needed in description will be made below
Simply introduce, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the utility model, for this field
For those of ordinary skill, without creative efforts, other drawings may also be obtained based on these drawings.
Fig. 1 is the overall structure diagram of Height-adjustable in the utility model embodiment；
Fig. 2 is the structural schematic diagram that the support knife assembly of Height-adjustable in the utility model embodiment is connect with clump weight；
Fig. 3 is the structural schematic diagram that Height-adjustable supports knife assembly in Fig. 2；
Fig. 4 is the cross section structure schematic diagram of Height-adjustable supports knife assembly in Fig. 3 Y-direction and X-direction, wherein upper roller
The position and bottom roller near the open end of stud openings pipe the open end farthest away from stud openings pipe position in the side X
To horizontal distance be C；
Fig. 5 is the cross section structure schematic diagram of Height-adjustable supports knife assembly in Fig. 3 Y-direction and Z-direction, wherein limit rolling
A diameter of D of wheel；
Fig. 6 is that the cross section structure that Height-adjustable supports knife assembly to be mounted on stud openings pipe in the utility model embodiment is illustrated
Figure；
Fig. 7 is the cross section structure schematic diagram of Fig. 6 central post open tubes, wherein inner wall width of the stud openings pipe in X-direction
Distance is A, is B in the inside wall height distance of Z-direction.
Specific implementation mode
It, below will fortune to enable the purpose of utility model, feature, advantage of the utility model more apparent and understandable
With specific embodiment and attached drawing, the technical solution of the utility model protection is clearly and completely described, it is clear that below
The described embodiments are only a part of the embodiments of the utility model, and not all embodiment.Based on the reality in this patent
Example is applied, all other embodiment obtained by those of ordinary skill in the art without making creative efforts all belongs to
In the range of this patent protection.
Fig. 1-Fig. 7 is referred to, Fig. 1 is the overall structure diagram of Height-adjustable in the utility model embodiment；Fig. 2 is this reality
The structural schematic diagram being connect with clump weight with the support knife assembly of Height-adjustable in new embodiment；Fig. 3 is that Height-adjustable supports in Fig. 2
The structural schematic diagram of knife assembly；Fig. 4 is the cross section structure schematic diagram of Height-adjustable supports knife assembly in Fig. 3 Y-direction and X-direction,
Wherein, upper roller near the position of the open end of stud openings pipe and the open end farthest away from stud openings pipe of bottom roller
Position X-direction horizontal distance be C；Fig. 5 is the cross section structure of Height-adjustable supports knife assembly in Fig. 3 Y-direction and Z-direction
Schematic diagram, wherein a diameter of D of limited roller；Fig. 6 is that Height-adjustable supports knife assembly mounted on vertical in the utility model embodiment
The cross section structure schematic diagram of column open tube；Fig. 7 is the cross section structure schematic diagram of Fig. 6 central post open tubes, wherein stud openings pipe
It is A in the inner wall width distance of X-direction, is B in the inside wall height distance of Z-direction.
The present embodiment provides a kind of Height-adjustables to support knife assembly 5, including support knife 6, upper roller 7, bottom roller 8 and limit rolling
Wheel 9, wherein：Support knife 6 is string configuration, and length direction is Y-direction, and width direction is X-direction, and short transverse is Z-direction；
Upper roller 77 is arranged on the top of support knife 6, and the shaft of upper roller 7 is perpendicular to the Y-direction of support knife 6 and putting down for X-direction composition
Face；Bottom roller 8 is arranged in the lower part of support knife 6, and the shaft of bottom roller 8 is perpendicular to the Y-direction and X-direction composition for supporting knife 6
Plane；On support knife 6, the shaft of limited roller 9 is formed perpendicular to the Y-direction of support knife 6 with Z-direction the setting of limited roller 9
Plane；Support knife 6 is partially disposed in the stud openings pipe 10 of Height-adjustable 1, and stud openings pipe 10 is set in the longitudinal direction
It is equipped with open end, upper roller 7, bottom roller 8 and limited roller 9 roll in stud openings pipe 10.
The shaft installation site of upper roller 7 exists with the shaft installation site of bottom roller 8 to misplace, the shaft peace of upper roller 7
The plane that the shaft installation site of holding position and bottom roller 8 is not formed perpendicular to the X-direction of support knife 6 with Z-direction in same
Straight line on.The shaft installation site of upper roller 7 than bottom roller 8 shaft installation site closer to stud openings pipe 10 opening
End.The opening farthest away from stud openings pipe 10 at the position and bottom roller 8 near the open end of stud openings pipe 10 of upper roller 7
The position at mouth end is C in the horizontal distance of X-direction, and stud openings pipe 10 is A, C=A in the inner wall width distance of X-direction.
Limited roller 9 includes upper limit idler wheel 91 and lower limit idler wheel 92, and upper limit idler wheel 91 is arranged in the upper of support knife 6
Portion, lower limit idler wheel 92 are arranged in the lower part of support knife 6.
A diameter of D of limited roller 9, stud openings pipe 10 are B, B > D in the inside wall height distance of Z-direction.B subtracts D etc.
In 2mm.
Upper roller 7 includes 1 group of idler wheel, and left and right two bearings are arranged in every group of idler wheel, and bearing is arranged in the both sides of support knife 6.
Bottom roller 8 includes 2 groups of idler wheels, and left and right two bearings are arranged in every group of idler wheel, and bearing is arranged in the both sides of support knife 6.
The bearing of upper roller 7 and bottom roller 8 is rigid bearing, can bear bigger pressure without deforming.Limit
The bearing of idler wheel 9 is encapsulated bearing, and the power that limited roller 9 is born is smaller, therefore can be with softer encapsulated bearing without becoming
Shape reduces noise.
The top of support knife 6 is provided with the mounting post 11 of installation bed body 1.The handle of Manual push-pull is provided on support knife 6
12。
The bed body 1 of Height-adjustable is mounted in the mounting post 11 of support knife 6, is simultaneously supported knife 6 and is passed through steel wire rope 3 and pulley 4
It being connect with clump weight 2, clump weight 2 and the weight of bed body 1 are roughly equal, and support knife 6 is string configuration, according to principle of moments,
Support knife 6 can share the huge weight of bed body.Support knife 6 is partially disposed in the stud openings pipe 10 of Height-adjustable 1, column
Open tube 10 is provided with open end, the rolling in stud openings pipe 10 of upper roller 7, bottom roller 8 and limited roller 9 in the longitudinal direction
Dynamic, upper roller 7 and bottom roller 8 are scrolled up and down along stud openings pipe 10 in the Y direction, and limited roller 9 is limited in Z-direction to be supported
Knife 6 so that support knife 6 will not be swung left and right, and upper roller 7, bottom roller 8 and limited roller 9 ensure that knife 6 is supported to open in column simultaneously
It is rolled in mouth pipe 10 smooth.Compared with prior art, the Height-adjustable of the utility model supports knife assembly, simple in structure, can
The weight of bed body 1 is supported, and easy for installation, lifting is smooth.
It misplaces in addition, the shaft installation site of upper roller 7 and the shaft installation site of bottom roller 8 exist, upper roller 7 turns
What axis installation site and the shaft installation site of bottom roller 8 were not formed perpendicular to the X-direction of support knife 6 with Z-direction in same
On the straight line of plane.The shaft installation site of upper roller 7 than bottom roller 8 shaft installation site closer to stud openings pipe 10
Open end.Such structure can make support knife 6 preferably place and be mounted in stud openings pipe 10, simultaneously because bed body 1
Gravity only vertically downward, cause the top and bottom for supporting knife 6 to have inclined pressure, the stress point of upper roller 7 is most
Position close to the open end of stud openings pipe 10, the stress point of bottom roller 8 is in the open end farthest away from stud openings pipe 10
Position, it is just consistent with the misalignment position of upper roller 7 and bottom roller 8 so that upper roller 7 and the rolling of bottom roller 8 are more smooth.
The position near the open end of stud openings pipe 10 of upper roller 7 and bottom roller 8 are farthest away from stud openings pipe
The position of 10 open end is C in the horizontal distance of X-direction, and stud openings pipe 10 is A, C=in the inner wall width distance of X-direction
A.It is placed in stud openings pipe 10 in support knife 6 regardless of whether when bearing the gravity of bed body, entire support knife 6 is in the Y direction
It can be completely parallel to the movement of stud openings pipe 10, without any offset by gap.
Limited roller 9 includes upper limit idler wheel 91 and lower limit idler wheel 92, and upper limit idler wheel 91 is arranged in the upper of support knife 6
Portion, lower limit idler wheel 92 are arranged in the lower part of support knife 6.A diameter of D of limited roller 9, stud openings pipe 10 is in Z-direction
Wall height distance is B, B > D.Due to bed body gravity downward, be oscilaltion, therefore, support knife 6 in the horizontal direction can be left
The right side is waved, and limited roller 9 limits support knife 6 in Z-direction so that support knife 6 will not be swung left and right in the horizontal direction.
As can be seen from the above technical solutions, the Height-adjustable of the utility model supports knife assembly, has the following advantages：Support
The design structure of knife assembly 5 has well solved its stabilization for keeping vertical direction to move up and down in stud openings pipe 10, and
The very little gap wobble of left and right directions, and support that knife 6 matches is idler wheel, ensure that scroll up and down it is smooth.
The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or use this practicality new
Type.Various modifications to these embodiments will be apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest range consistent with features of novelty.
Claims (10)
1. a kind of Height-adjustable supports knife assembly, which is characterized in that including supporting knife, upper roller, bottom roller and limited roller,
In：
The support knife is string configuration, and length direction is Y-direction, and width direction is X-direction, and short transverse is Z-direction；
The upper roller is arranged on the top of the support knife, and the shaft of the upper roller is perpendicular to the Y-direction for supporting knife
With the plane of X-direction composition；
The bottom roller is arranged in the lower part of the support knife, and the shaft of the bottom roller is perpendicular to the Y-direction for supporting knife
With the plane of X-direction composition；
The limited roller is arranged on the support knife, and the shaft of the limited roller is perpendicular to the Y-direction for supporting knife
With the plane of Z-direction composition；
The support knife is partially disposed in the stud openings pipe of Height-adjustable, and the stud openings pipe is arranged in the longitudinal direction
There are open end, the upper roller, bottom roller and limited roller to be rolled in the stud openings pipe.
2. Height-adjustable according to claim 1 supports knife assembly, which is characterized in that the shaft installation site of the upper roller
Exist with the shaft installation site of the bottom roller and misplaces, the shaft of the shaft installation site and the bottom roller of the upper roller
Installation site is not on the straight line for the plane that same is formed perpendicular to the X-direction of the support knife with Z-direction.
3. Height-adjustable according to claim 2 supports knife assembly, which is characterized in that the shaft installation site of the upper roller
Than the shaft installation site of the bottom roller closer to the open end of the stud openings pipe.
4. Height-adjustable according to claim 3 supports knife assembly, which is characterized in that the upper roller is stood near described
The position of the position of the open end of column open tube and the open end farthest away from the stud openings pipe of the bottom roller is in X-direction
Horizontal distance be C, the stud openings pipe X-direction inner wall width distance be A, C=A.
5. Height-adjustable according to claim 1 supports knife assembly, which is characterized in that the limited roller includes upper limit rolling
Wheel and lower limit idler wheel, the upper limit idler wheel are arranged on the top of the support knife, and the lower limit idler wheel is arranged described
Support the lower part of knife.
6. Height-adjustable according to claim 1 supports knife assembly, which is characterized in that a diameter of D of the limited roller, institute
The inside wall height distance that stud openings pipe is stated in Z-direction is B, B > D.
7. Height-adjustable according to claim 6 supports knife assembly, which is characterized in that B subtracts D and is equal to 1mm~5mm.
8. Height-adjustable according to claim 1 supports knife assembly, which is characterized in that the upper roller includes 1,2 or 3 group of rolling
Left and right two bearings are arranged in wheel, every group of idler wheel, and the bearing is arranged in the both sides of the support knife.
9. Height-adjustable according to claim 1 supports knife assembly, which is characterized in that the bottom roller includes 1,2 or 3 group of rolling
Left and right two bearings are arranged in wheel, every group of idler wheel, and the bearing is arranged in the both sides of the support knife.
10. Height-adjustable according to claim 1 supports knife assembly, which is characterized in that the upper roller and the bottom roller
Bearing be rigid bearing, the bearing of the limited roller is encapsulated bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720602567.5U CN208080951U (en) | 2017-05-26 | 2017-05-26 | A kind of Height-adjustable support knife assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720602567.5U CN208080951U (en) | 2017-05-26 | 2017-05-26 | A kind of Height-adjustable support knife assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208080951U true CN208080951U (en) | 2018-11-13 |
Family
ID=64067173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720602567.5U Active CN208080951U (en) | 2017-05-26 | 2017-05-26 | A kind of Height-adjustable support knife assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208080951U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107183994A (en) * | 2017-05-26 | 2017-09-22 | 广州德贝尔家居有限公司 | A kind of Height-adjustable supports knife assembly |
-
2017
- 2017-05-26 CN CN201720602567.5U patent/CN208080951U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107183994A (en) * | 2017-05-26 | 2017-09-22 | 广州德贝尔家居有限公司 | A kind of Height-adjustable supports knife assembly |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107136808A (en) | A kind of counter weight construction of Height-adjustable | |
| CN100588809C (en) | Lifting scaffold for construction of chimney and shaft inner wall | |
| CN201224993Y (en) | Elevating rack body for chimney and well path inner wall constructions | |
| CN204025260U (en) | The linkage structure of montant and cross bar and the support with this linkage structure | |
| CN208080951U (en) | A kind of Height-adjustable support knife assembly | |
| CN205327124U (en) | Roll web floor truck | |
| CN207604696U (en) | It is a kind of electric up-down bed | |
| CN208355043U (en) | A kind of counter weight construction of Height-adjustable | |
| CN208080946U (en) | A kind of hand-operated lifting bed | |
| CN207206395U (en) | A kind of novel road construction scriber | |
| CN107183994A (en) | A kind of Height-adjustable supports knife assembly | |
| CN106927399A (en) | A kind of separate type hoisting system | |
| CN207160862U (en) | A kind of double rollers sliding door and window | |
| CN206144383U (en) | Walk concave round steel wire linkage shower door slide mechanism | |
| CN206632263U (en) | A kind of large-diameter cylinder body integrally rolls auxiliary mould | |
| CN203305781U (en) | Universal wheel used for trolley | |
| CN106276026A (en) | A kind of automatic stereowarehouse cantilever type storage rack of novel improved structure | |
| CN107174045A (en) | It is a kind of electric up-down bed | |
| CN107157172A (en) | A kind of hand-operated lifting bed | |
| CN208249706U (en) | A kind of bracket trolley body for replacing rotary kiln burner | |
| CN107212673A (en) | It is a kind of electric up-down bed | |
| CN204132845U (en) | A kind of structure-improved of three joint drawer guideways | |
| CN208266886U (en) | A kind of novel pipe bracing members | |
| CN206054526U (en) | A kind of ultra-long roller support member and the ultra-long roller using the support member | |
| CN207434127U (en) | A kind of rubber roller rack |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |