CN1919479B - Damper positioning machanism for smoke discharging cabinet - Google Patents
Damper positioning machanism for smoke discharging cabinet Download PDFInfo
- Publication number
- CN1919479B CN1919479B CN200510029118A CN200510029118A CN1919479B CN 1919479 B CN1919479 B CN 1919479B CN 200510029118 A CN200510029118 A CN 200510029118A CN 200510029118 A CN200510029118 A CN 200510029118A CN 1919479 B CN1919479 B CN 1919479B
- Authority
- CN
- China
- Prior art keywords
- counterweight
- machanism
- cable wire
- adjustment doors
- smoke discharging
- 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
- 238000007599 discharging Methods 0.000 title claims description 26
- 239000000779 smoke Substances 0.000 title claims description 26
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 230000003139 buffering effect Effects 0.000 claims description 21
- 239000003517 fume Substances 0.000 claims description 19
- 230000005540 biological transmission Effects 0.000 claims description 11
- 230000009347 mechanical transmission Effects 0.000 claims description 7
- 238000004260 weight control Methods 0.000 abstract 2
- 230000000694 effects Effects 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 241000220317 Rosa Species 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Images
Landscapes
- Air-Flow Control Members (AREA)
Abstract
The invention discloses a locating mechanism of chimney adjusting door, which consists of large weight and small weight, wherein the large weight controls the elevation of adjusting door, the small weight controls the location of adjusting door to adjust working height scale within hand adjusting height and its position, the mechanic driving mechanism connects the column of large weight bottom, which makes adjusting door without moving before unlocking.
Description
Technical field
The present invention relates to a kind of damper positioning machanism for smoke discharging cabinet, be meant a kind of damper positioning machanism for smoke discharging cabinet especially with the function of automatically replying.
Background technology
Figure 1 shows that the structural representation of existing single adjustment doors fume cupboard, its mainly be by cabinet 1 ', counterweight 2 ', assembly pulley 3 ', cable wire 4 ', adjustment doors 5 ', track 6 ' institute constitutes.The assembly pulley 3 of cabinet 1 ' both sides ' on respectively be provided with a cable wire 4 ' and cable wire 4 ' one ends connect counterweight 2 ', the other end then connect adjustment doors 5 ' the bottom.Assembly pulley 3 ' be responsible for cable wire 4 ' support and turn to work, when adjustment doors 5 ' risings, be connected in the counterweight 2 of cable wire 4 ' other end ' then along track 6 ' decline relatively.When adjustment doors 5 ' prolonging track 6 ' decline, then be connected in the counterweight 2 of cable wire 4 ' other end ' will and then rise, the cable wire 4 that assembly pulley 3 ' then make places in the pulley groove ' moved and turning to.
Because the detent mechanism of this traditional fume cupboard adjustment doors is regulated by counterweight, therefore when the manual adjustments adjustment doors rose or descends, counterweight was also and then risen or is descended.But sometimes when doing experiment; adjustment doors need be fixed on a constrain height; when adjustment doors rises or drops to a preset height; can not make adjustment doors produce any rising or down maneuver again; that is like this that the experimenter just can be relieved does experiment in fume cupboard; in other words when adjustment doors is offset preset height because of carelessness; can automatically revert to the locational adjustment doors detent mechanism of original preset height, be the experimenter like this and just needn't worry adjustment doors moves up and down through regular meeting in experimentation problem.
In order to address the above problem, present technical method is to establish a unidirectional stop in the adjustment doors stroke, can not continue upwards because of stopping of stop when making adjustment doors rise to the stop position, to remind operating personnel not want random lifting adjustment doors, only adjustment doors could continue to move up after operating personnel manually push stop aside, is not then stopped when adjustment doors descends.This design shortcoming is can't automatically revert to the stop height when adjustment doors surpasses more than the stop highly, and stop is provided with height and can't adjusts change once panel beating installing, thereby just fix a height and position, limitation is quite big, owing to can collide stop unavoidably during the each lifting of adjustment doors, cause mechanism's damage fault easily in addition.
Summary of the invention
The purpose of this invention is to provide a kind of damper positioning machanism for smoke discharging cabinet that can regulate and set adjustment doors location height, can behind the height of the location of adjustment doors offset setting, have the function of automatically replying again, and after this adjustment doors detent mechanism surpasses the location height of setting in lifting, the application of force needs to increase slightly, uses height thereby can remind operating personnel to surpass design.
For reaching above-mentioned purpose, damper positioning machanism for smoke discharging cabinet of the present invention, comprise: adjustment doors, be arranged on the guide rail on the fume cupboard left and right sides, pulley gear, the pulling force cable wire, one big counterweight, described adjustment doors is installed in the guide rail, one end of described pulling force cable wire is connected on the big counterweight, the other end is connected the bottom of adjustment doors, be characterized in also comprising: be arranged on a guiding cable wire and a little counterweight in the same vertical plane with described big counterweight, described little counterweight is arranged on big counterweight top, described little counterweight both sides are formed with aperture, guiding cable wire one end is fixed on the fume cupboard, the other end passes little counterweight both sides aperture and fixing, and the below of described little counterweight also is provided with the adjustment folder that is folded on the described guiding cable wire.
Said mechanism also comprise the side bottom that is arranged on fume cupboard and with the holder of big counterweight in becoming same vertical plane.
Be installed with a buffering fixed head on the said fixing seat, be formed with a circular hole on the described buffering fixed head, the below of described buffering fixed head also is respectively arranged with a trip fixed head and a spring dead plate with described circular hole both sides, one trip is arranged on the described trip fixed head pivotly, and a tension spring is arranged between described trip and the spring dead plate.
The outstanding card post that is formed with in the bottom of above-mentioned big counterweight, the also outstanding projection that is formed with of end one side of described card post.
A side front end relative with described card post on the above-mentioned trip is formed with the tip.
Said mechanism also comprises and is arranged on the mechanical transmission mechanism fume cupboard outside and that link to each other with described trip, comprise: one handle, the pull plate that is connected with handle, the adjusting that the connection pulling is pulled is colluded, link the adjusting nut that connects with described adjusting, connect the power transmission cable wire of adjusting nut; The end of described power transmission cable wire is fixed on the described trip by a cable wire button.
The circular hole below of above-mentioned buffering fixed head also is provided with a guide pad.
The top, both sides of above-mentioned buffering fixed head also is provided with cushion pad.
The weight sum of above-mentioned big counterweight and little counterweight should be equivalent to the weight of described adjustment doors.
Adopt such structure, damper positioning machanism for smoke discharging cabinet of the present invention has following advantage:
1. make the adjustment doors of fume cupboard remain on setting height or following, to reduce unnecessary energy waste and to keep security;
2. under the variable air rate exhaust system, exhaust air rate changes to keep the constant of face wind speed with the adjustment doors position, the high more air quantity of adjustment doors needs big more, so if the minority of the position that can make adjustment doors when improving height with convenient debugging interior instrument equipment at need is the time, all can recover automatically in lower setting working depth, then can avoid neglecting artificially and the effectively consumption of energy savings;
3. deciding under the air quantity exhaust system, exhaust air rate can adjustment doors setting working depth come the computing system exhaust air rate, the face wind speed will be lower than safety standard when surpassing its height, so if the minority of the position that can make adjustment doors when improving height with convenient debugging interior instrument equipment at need is the time, all can recover automatically in lower setting working depth, then will avoid neglecting artificially and effectively keep its face wind speed the safety standard value or more than.
For further specifying above-mentioned purpose of the present invention, design feature and effect, the present invention is described in detail below with reference to accompanying drawing.
Description of drawings
Fig. 1 is the three-dimensional combination figure of fume cupboard traditional structure.
Fig. 2 is a kind of view of damper positioning machanism for smoke discharging cabinet of the present invention.
Fig. 2 A is the partial enlarged drawing at I place among Fig. 2.
Fig. 3 is the another kind of view of damper positioning machanism for smoke discharging cabinet of the present invention.
The specific embodiment
Be depicted as the various schematic diagrames of damper positioning machanism for smoke discharging cabinet of the present invention as Fig. 2,3, it comprises that adjustment doors 3, big counterweight 15, little counterweight 13, pulley gear 1a, 1b, 2a, 2b, pulling force cable wire 4a, 4b and parts such as guiding cable wire 4c, 4d and mechanical transmission mechanism constitute.
Scarf adjustment doors 3 slidably on the left and right sides of fume cupboard 27 guide rail 28, and the end of pulling force cable wire 4a is connected to big ballast box 15, and the other end is connected to bottom, adjustment doors 3 left side successively downwards after fixed pulley 1a, 1b turn to for twice; The end of pulling force cable wire 4b is connected to big ballast box 15, and the other end is connected to bottom, adjustment doors 3 right side successively downwards after fixed pulley 2a, 2b turn to for twice; Like this, moving up and down of adjustment doors 3 can drive big ballast box 15 elevating movements.
One side bottom of fume cupboard 27 also is provided with a holder 11 with 15 one-tenth same vertical planes of big counterweight, and holder 11 is put on the shelf and is provided with a buffering fixed head 16.Be installed with a trip fixed head 24, one trips 18 and be connected pivotly on the trip fixed head 24 by a pivot below buffering fixed head 16, the right side front end of trip 18 is formed with the most advanced and sophisticated 18a that is triangular shape.The below of buffering fixed head 16, the two ends that are installed with a spring dead plate 21, one tension springs 19 apart from the right side of trip fixed head 24 are connected between trip 18 and the spring dead plate 21, and tension spring 19 will keep certain stretching, extension pretightning force when mounted.Cushioning on the fixed head 16 and on the position between trip fixed head 24 and the spring dead plate 21, also be formed with a circular hole 26.Circular hole 26 belows are provided with a guide pad 22, and guide pad 22 is the U font, generally can be made by nylon material; The both sides top of buffering fixed head 16 also is provided with cushion pad 23, is used to prevent that 16 liang of contact-making surfaces of big counterweight 15 and buffering fixed head from colliding and cause parts damages set.
One mechanical transmission mechanism is arranged on the fume cupboard outside and wants on the closer appropriate location of fixed distance seat, link to each other with the trip 18 under the buffering fixed head 18, concrete structure is shown in Fig. 3 and 3A, one handle 6 connects pull plate 7, pulling is pulled 7 and one and is regulated and to collude 8 and link to each other, adjusting is colluded 8 and is connected adjusting nut 9, and adjusting nut 9 links to each other with power transmission cable wire 10 again; The end of power transmission cable wire 10 is fixed on the trip 18 by a cable wire button 17.Wherein, in order to guarantee that power transmission cable wire 10 is connected on the cable wire button 17 of trip 18 exactly, so in this mechanical transmission mechanism, added adjusting nut 9, when power transmission cable wire 10 is short or longer, can guarantee between power transmission cable wire 10 and the trip 18 connection by the length of adjusting adjusting nut 9.
The outstanding columniform card post 20 that is formed with in the bottom of big counterweight 15, circular hole 26 diameter on the diameter of card post 20 and the buffering fixed head 16 are suitable, and its diameter makes them can produce matched in clearance for suitable.The also inside part, terminal left side of card post 20 is formed with one recessed 20a, and the most advanced and sophisticated 18a of trip 18 may be stuck on the recessed 20a of card post 20, and card post 20 can not be moved upward.
The operation principle and the process of damper positioning machanism for smoke discharging cabinet of the present invention will be described below.
Our hypothesis Figure 2 shows that the original state of adjustment doors mechanism, adjustment doors 3 is in the position that rises to opening, big counterweight 15 is on the position that drops to the bottom, this moment, the card post 20 of big counterweight 15 bottoms passed circular hole 26 on the buffering fixed head 16 on the holder 11, the most advanced and sophisticated 18a that is triangular shape owing to trip 18 the place aheads has been stuck in the recessed 20a of card post 20, therefore having blocked card post 20 moves up, so big counterweight 15 also just keeps inactive state, and also just is set to inactive state in highest order by pulling force pulling force cable wire 4a, 4b with the adjustment doors 3 that big counterweight 15 links to each other.At this moment, owing to the effect that card post 20 and trip 18 block mutually, adjustment doors 3 can not spur downwards.Therefore, according to aforesaid damper positioning machanism for smoke discharging cabinet of the present invention, have AutoLock feature during mobile extreme higher position on adjustment doors 3, adjustment doors 3 is irremovable before unlocking.
Then with reference to shown in Figure 3, elder generation's turning handle 6 when needs pulling adjustment doors moves down, handle 6 drives pull plate 7, pull plate 7 drives to regulate again successively colludes 8, adjusting nut 9 and power transmission cable wire 10, power transmission cable wire 10 will spur trip 18 laterally (among the figure for left side) move, the most advanced and sophisticated 18a that makes trip 18 is the original position of skew and no longer blocking mutually with recessed 20a of card post 20 outwards, because the weight of adjustment doors 3 is larger than the weight of single big counterweight 15, thereby big counterweight 15 will slowly be upward through the circular hole 26 on the buffering fixed head 16 and rise, and drives adjustment doors 3 simultaneously and descends.At this very moment, because tension spring 19 remains with certain stretching, extension pretightning force when mounted, therefore after the card of the most advanced and sophisticated 18a of card post 20 disengagings of big counterweight 15 is established, trip 18 will return to original equilbrium position immediately owing to the elastic returning effect of tension spring 19.Then, big counterweight 15 will continue to rise, because the adjustment of little counterweight 13 belows folder 12 is clipped on the guiding cable wire 4c, therefore counterweight 15 will rise on the position at little counterweight 13 places always and just stop greatly, and adjustment doors 3 also just stops descending motion.Certainly, also can be with the quick drop-down adjustment doors 3 of manual mode, until the position at little counterweight 13 places and stopping.When adjustment doors 3 drops to position that little counterweight 13 is provided with and during stop motion, if rise with hand propelled adjustment doors 3, big counterweight 15 will descend, but,, adjustment doors 3 is returned to position just now so will descending again automatically because the weight of adjustment doors 3 is always bigger than the weight of big counterweight 15.Therefore, according to aforesaid damper positioning machanism for smoke discharging cabinet of the present invention, behind the locking release-push of being located at fume cupboard 27 outsides by releasing (being handle 6), the adjustment doors automatic slowly returns to the peak of former setting working depth scope, the equilbrium position at just little counterweight 13 places; When adjustment doors 3 surpasses the working depth of setting, must apply high slightly strength it is moved up, adjustment doors 3 automatic slowlies return to the position of former setting working depth scope when the application of force stops, and also are the equilbrium position at little counterweight 13 places.
If when wanting to make adjustment doors 3 to change existing height and position, then can open the adjustment folder 12 of both sides, little counterweight 13 below, regulate the height of adjusting folder 12 places, it is just passable littler counterweight 13 to be moved to the height and position of adjusting the folder place.
In the time will promoting adjustment doors 3 and make its rising and navigate to initial extreme higher position, to push away on the adjustment doors 3, big counterweight 15 descends simultaneously, until the card post 20 of big counterweight 15 drops to the circular hole 26 that passes on the buffering fixed head 16, move downward the triangle inclined-plane that touches the most advanced and sophisticated 18a in trip 18 the place aheads again, when upwards promoting adjustment doors 3,20 on post of card firmly presses down and returns to recessed 20a of card post 21 and the most advanced and sophisticated 18a of trip blocks the state of establishing mutually, thereby makes entire mechanism remain to initial equilbrium position.
According to damper positioning machanism for smoke discharging cabinet of the present invention, adjust the height of the little counterweight 13 of folder 12 adjustings on guiding guiding cable wire 4c, 4d by using, can locate a certain height and position that adjustment doors 3 rises or descends, rise even spur or promoted adjustment doors 3 because of carelessness, adjustment doors 3 still can be returned to the height that the little counterweight 13 of former cause sets.Therefore, according to aforesaid damper positioning machanism for smoke discharging cabinet of the present invention, by the interlock effect of big counterweight 15 and mechanical transmission mechanism, make adjustment doors 3 can be easily in the working depth scope of setting with the manual adjustments height and keep its position.
In sum, damper positioning machanism for smoke discharging cabinet of the present invention has following advantage:
1. make the adjustment doors of fume cupboard remain on setting height or following, to reduce unnecessary energy waste and to keep security;
2. under the variable air rate exhaust system, exhaust air rate changes to keep the constant of face wind speed with the adjustment doors position, the high more air quantity of adjustment doors needs big more, so if the minority of the position that can make adjustment doors when improving height with convenient debugging interior instrument equipment at need is the time, all can recover automatically in lower setting working depth, then can avoid neglecting artificially and the effectively consumption of energy savings;
3. deciding under the air quantity exhaust system, exhaust air rate can adjustment doors setting working depth come the computing system exhaust air rate, the face wind speed will be lower than safety standard when surpassing its height, so if the minority of the position that can make adjustment doors when improving height with convenient debugging interior instrument equipment at need is the time, all can recover automatically in lower setting working depth, then will avoid neglecting artificially and effectively keep its face wind speed the safety standard value or more than.
Though the present invention describes with reference to current specific embodiment, but those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the present invention, under the situation that does not break away from spirit of the present invention, also can make the variation or the replacement of various equivalences, therefore, as long as in connotation scope of the present invention in the scope to the variation of the foregoing description, claims that modification all will drop on the application.
Claims (7)
1. damper positioning machanism for smoke discharging cabinet comprises:
Adjustment doors, be arranged on the guide rail on the fume cupboard left and right sides, pulley gear, the pulling force cable wire, one big counterweight, be arranged on a guiding cable wire and a little counterweight in the same vertical plane with described big counterweight, described adjustment doors is installed in the guide rail, one end of described pulling force cable wire is connected on the big counterweight, the other end is connected the bottom of adjustment doors, described little counterweight is arranged on big counterweight top, described little counterweight both sides are formed with aperture, guiding cable wire one end is fixed on the fume cupboard, the other end passes little counterweight both sides aperture and fixing, the below of described little counterweight also is provided with the adjustment folder that is folded on the described guiding cable wire, it is characterized in that
Described damper positioning machanism for smoke discharging cabinet also comprise the side bottom that is arranged on fume cupboard and with the holder of big counterweight in becoming same vertical plane, the guiding cable wire passes the aperture that passes big counterweight both sides behind the aperture of little counterweight both sides downwards again, be affixed on the holder more at last, be installed with a buffering fixed head on the described holder, be formed with a circular hole on the described buffering fixed head, the below of described buffering fixed head also is respectively arranged with a trip fixed head and a spring dead plate with described circular hole both sides, one trip is arranged on the described trip fixed head pivotly, and a tension spring is arranged between described trip and the spring dead plate; The outstanding card post that is formed with in the bottom of described big counterweight, when adjustment doors rose to initial extreme higher position, the card post of big counterweight passed circular hole on the buffering fixed head and blocks mutually with trip and establish;
Damper positioning machanism for smoke discharging cabinet also comprises and is arranged on the mechanical transmission mechanism fume cupboard outside and that link to each other with described trip.
2. damper positioning machanism for smoke discharging cabinet as claimed in claim 1 is characterized in that: the also inside part of end one side of described card post is formed with one recessed.
3. damper positioning machanism for smoke discharging cabinet as claimed in claim 2 is characterized in that: a side front end relative with described card post on the described trip is formed with the tip.
4. damper positioning machanism for smoke discharging cabinet as claimed in claim 1, it is characterized in that: this mechanical transmission mechanism comprises: one handle, and the pull plate that is connected with handle, the adjusting that the connection pulling is pulled is colluded, link the adjusting nut that connects with described adjusting, connect the power transmission cable wire of adjusting nut; The end of described power transmission cable wire is fixed on the described trip by a cable wire button.
5. damper positioning machanism for smoke discharging cabinet as claimed in claim 1 is characterized in that: the circular hole below of described buffering fixed head also is provided with a guide pad.
6. damper positioning machanism for smoke discharging cabinet as claimed in claim 1 is characterized in that: the top, both sides of described buffering fixed head also is provided with cushion pad.
7. damper positioning machanism for smoke discharging cabinet as claimed in claim 1 is characterized in that: the weight sum of described big counterweight and little counterweight is equivalent to the weight of described adjustment doors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200510029118A CN1919479B (en) | 2005-08-26 | 2005-08-26 | Damper positioning machanism for smoke discharging cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200510029118A CN1919479B (en) | 2005-08-26 | 2005-08-26 | Damper positioning machanism for smoke discharging cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1919479A CN1919479A (en) | 2007-02-28 |
| CN1919479B true CN1919479B (en) | 2010-05-12 |
Family
ID=37777397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200510029118A Active CN1919479B (en) | 2005-08-26 | 2005-08-26 | Damper positioning machanism for smoke discharging cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1919479B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101637773B (en) * | 2008-07-30 | 2012-09-19 | 杨如祥 | Energy-saving fully-automatic air-volume-variable fume hood |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2390982Y (en) * | 1999-08-02 | 2000-08-09 | 雷永健 | Counterweight lifting door automatic positioning mechanism |
| CN2501978Y (en) * | 2001-10-25 | 2002-07-24 | 周沛凝 | Singal counterbalancing gate structure |
| JP2004278103A (en) * | 2003-03-14 | 2004-10-07 | Shigenori Tomioka | Vertically movable opening/closing door |
| CN2868472Y (en) * | 2005-08-26 | 2007-02-14 | 毛毓麟 | Regulating door positioning mechanism for smoke discharge cabinet |
-
2005
- 2005-08-26 CN CN200510029118A patent/CN1919479B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2390982Y (en) * | 1999-08-02 | 2000-08-09 | 雷永健 | Counterweight lifting door automatic positioning mechanism |
| CN2501978Y (en) * | 2001-10-25 | 2002-07-24 | 周沛凝 | Singal counterbalancing gate structure |
| JP2004278103A (en) * | 2003-03-14 | 2004-10-07 | Shigenori Tomioka | Vertically movable opening/closing door |
| CN2868472Y (en) * | 2005-08-26 | 2007-02-14 | 毛毓麟 | Regulating door positioning mechanism for smoke discharge cabinet |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1919479A (en) | 2007-02-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101837949B1 (en) | Solar Panel Support Assembly for Rail-mounted | |
| CN101329826B (en) | Up-down billboard and control method thereof | |
| EP3208223A1 (en) | Automatic reset steel wire rope brake | |
| CN104330267A (en) | Automatic anti-pinch detection device of lifter | |
| CN203679068U (en) | Attractable pneumatic support device for bending machine | |
| CN203603429U (en) | Wall whitewashing machine and lifting guide rail device thereof | |
| CN205012894U (en) | Modified magnetic control embeds tripe cavity glass | |
| CN1919479B (en) | Damper positioning machanism for smoke discharging cabinet | |
| CN204770288U (en) | Punching machine auxiliary machinery hand | |
| CN2868472Y (en) | Regulating door positioning mechanism for smoke discharge cabinet | |
| CN216649080U (en) | Subway cable laying structure | |
| CN213317792U (en) | Punching equipment with fixing structure for steel structure | |
| CN213411043U (en) | Automatic torsion spring assembling mechanism | |
| CN105731208B (en) | Building hoist and its Anti-over-hoisting device | |
| CN109113553B (en) | Shutter overturning and positioning device | |
| CN210525505U (en) | Step type lifting perforating machine | |
| CN2476587Y (en) | Pile guide mechanism of pile press | |
| CN113864580A (en) | Mounting device for wall-mounted air feeder and using method thereof | |
| CN202657810U (en) | Elevator frame | |
| CN213391959U (en) | Ladder for elevator shaft | |
| CN204686770U (en) | Magnetite erecting device | |
| CN217439490U (en) | Lifting device for building engineering | |
| CN221343485U (en) | Safe deformation-resistant elevator guide rail bracket | |
| CN207326045U (en) | A kind of plate shearing machine | |
| CN219009617U (en) | Elevator cable anti-hanging-off device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201013 Address after: 1st floor, building 2, 1180 Jiujing Road, Jiuting Town, Songjiang District, Shanghai, 201615 Patentee after: Shanghai Beiyou Experimental Equipment Co.,Ltd. Address before: 274000 Shandong Province, Heze City Ma Ling Gang Zhen Tong Gu Ji Cun Patentee before: Mao Yulin |
|
| TR01 | Transfer of patent right |