CN220313281U - Door and window auxiliary installation structure - Google Patents
Door and window auxiliary installation structure Download PDFInfo
- Publication number
- CN220313281U CN220313281U CN202321893231.0U CN202321893231U CN220313281U CN 220313281 U CN220313281 U CN 220313281U CN 202321893231 U CN202321893231 U CN 202321893231U CN 220313281 U CN220313281 U CN 220313281U
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- installation structure
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- 238000009434 installation Methods 0.000 title claims abstract description 50
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- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 21
- 230000002349 favourable effect Effects 0.000 abstract description 14
- 230000001360 synchronised effect Effects 0.000 description 6
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 4
- 230000000712 assembly Effects 0.000 description 4
- 238000000429 assembly Methods 0.000 description 4
- 239000003381 stabilizer Substances 0.000 description 3
- 230000000087 stabilizing effect Effects 0.000 description 3
- 238000009413 insulation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
The application discloses door and window auxiliary installation structure belongs to door and window auxiliary installation device field, the on-line screen storage device comprises a base, the drive wheel is all installed in base bottom four corners, just two be symmetrical distribution's storage tank is seted up to the base bottom, two all be equipped with supporting component in the storage tank, the mounting groove has been seted up in the base, just the screw rod is installed to the mounting groove internal rotation, screw rod lateral wall cover is equipped with the lift post, just the base is run through on the lift post top, screw rod hypomere lateral wall is equipped with drive assembly, lift post top one side is equipped with the supporting box. This application plays the effect of fixed door and window of centre gripping through the setting of centre gripping subassembly, and adjusts the position between two blocks through adjusting part, and then reaches the effect of adjusting the distance between two centre gripping subassemblies, is convenient for support firm door and window, plays the effect of assisting the staff installation, need not that the staff is handheld, is favorable to improving staff's work efficiency.
Description
Technical Field
The application relates to the field of door and window auxiliary installation devices, and more particularly relates to an auxiliary door and window installation structure.
Background
The door and window is divided into enclosure components or separation components according to different positions of the door and window, different design requirements are provided with functions of heat preservation, heat insulation, sound insulation, water resistance, fire resistance and the like, new requirements are energy saving, heat lost by gaps of the door and window in cold areas accounts for about 25% of total heating heat consumption, the requirement of tightness of the door and window is an important content in energy saving design, and the door and the window are important components in a building enclosure structure system.
When staff installs door and window, need place the frame in the position of reserving the window, then in the mounting hole of seting up according to the frame inside, make corresponding mark on the wall, afterwards, take off the door and window and punch, the follow-up installation of staff of being convenient for, when installing great door and window, still need the staff to dismantle many times, reduced staff's installation effectiveness, and some doors and windows are perhaps heavier, can topple over by mistake when the staff lifts and smash the staff even, therefore need a auxiliary structure help staff install door and window urgently. Therefore, we propose an auxiliary installation structure for doors and windows.
Disclosure of Invention
In order to solve the problem, the application provides an auxiliary door and window mounting structure, adopts following technical scheme:
the utility model provides a door and window auxiliary installation structure, includes the base, the drive wheel is all installed in base bottom four corners, just two take in the groove that is symmetrical distribution is seted up to the base bottom, two take in the inslot and all be equipped with supporting component, set up the mounting groove in the base, just install the screw rod in the mounting groove internal rotation, screw rod lateral wall cover is equipped with the lift post, just the lift post top runs through the base, screw rod hypomere lateral wall is equipped with drive assembly, lift post top one side is equipped with the supporting box, just be equipped with flexible subassembly between supporting box and the lift post, slidable mounting has two supporting blocks that are symmetrical distribution in the supporting box, and two the supporting block is kept away from the supporting box that all slides in lifting post one end, two the supporting block runs through supporting box one end and all is equipped with clamping assembly, and two be equipped with adjusting part between the supporting block, supporting box one side fixed mounting has the balancing weight is kept away from to the lift post one side and is equipped with the balancing piece.
Through adopting above-mentioned technical scheme, when this equipment was used, the staff placed door and window in two centre gripping subassembly top, fix door and window through the centre gripping subassembly, afterwards, staff accessible drive wheel drive equipment removes, after equipment moved to corresponding place, support firm equipment through supporting component, afterwards, accessible drive assembly drive screw rotates, make the lifting column take door and window to rise in step, make door and window remove to mounted position, after door and window moved to mounted position, through flexible subassembly drive door and window case mounted position removal, the staff follow-up installation of being convenient for, through the installation of equipment centre gripping door and window auxiliary staff, need not the manual lifting door and window of staff, be favorable to improving staff's installation effectiveness, and the door and window of the staff of being convenient for installs different sizes, the practicality of equipment has been improved, lifting column one side is through the cooperation of balancing weight and balancing piece, play the effect of balancing equipment, help avoiding equipment centre gripping door and window one end heavier and lead to the equipment slope, be favorable to improving the stability of equipment use.
Further, the supporting component comprises a second cylinder fixedly installed on the inner wall of the top end of the storage groove, connecting columns are fixedly installed at the end parts of piston shafts of the second cylinder, supporting plates are fixedly installed at the bottom ends of the connecting columns, and anti-slip pads are fixedly installed at the bottom ends of the supporting plates.
Through adopting above-mentioned technical scheme, after equipment removes corresponding place, through the synchronous decline of second cylinder drive with group spliced pole and backup pad, make backup pad and ground contact, and then make equipment wholly rise, reach the effect that supports firm equipment, be favorable to improving the stability that equipment used.
Further, the drive assembly includes the driven gear of fixed cover locating screw rod hypomere lateral wall, mounting groove bottom inner wall fixed mounting has the second gear motor, just second gear motor output shaft end fixed cover is equipped with drive gear, drive gear and driven gear meshing, mounting groove bottom inner wall fixed mounting has the gag lever post, just the gag lever post top slip runs through to in the elevating column.
Through adopting above-mentioned technical scheme, through second gear motor drive gear rotation, drive gear drive driven gear rotates, and driven gear drive screw rotates, makes the lifting column take the support box to rise in step, and then plays the effect of adjusting door and window height, and the staff of being convenient for removes door and window to mounted position, reaches the effect of supplementary installation.
Further, the telescopic component comprises a first air cylinder fixedly arranged on one side, far away from the balancing weight, of the upper section of the lifting column, a connecting block is fixedly arranged at the end part of the piston shaft of the first air cylinder, and one end, far away from the first air cylinder, of the connecting block is fixedly connected with one side, opposite to the supporting box, of the connecting block.
Through adopting above-mentioned technical scheme, after the door and window lifting was to the mounted position, through synchronous lateral shifting of first cylinder drive connecting block and support box, make door and window remove to the installing port department, the follow-up installation door and window of staff of being convenient for.
Furthermore, the cross rod is fixedly arranged at the bottom end of the connecting block, two symmetrically distributed stabilizing rods are fixedly arranged at one side, away from the first cylinder, of the cross rod, and the two stabilizing rods are located below the supporting box.
Through adopting above-mentioned technical scheme, support through the setting of horizontal pole and firm pole between box and the connecting block, play the effect that supports firm support box, be favorable to improving the stability that supports the box and use.
Further, the clamping assembly comprises a mounting rod fixedly mounted at one end of the two supporting blocks penetrating through the supporting box, two electric clamping jaws are arranged at the top ends of the mounting rod, and rubber pads are fixedly mounted on the inner sides of the electric clamping jaws.
Through adopting above-mentioned technical scheme, the staff arranges two installation pole tops in door and window, fixes door and window through electronic clamping jaw centre gripping, is favorable to improving the stability that door and window goes up and down.
Further, the adjusting component comprises a double-tooth screw rod rotatably arranged in the supporting box, two supporting blocks are respectively sleeved on two sections of side walls of the double-tooth screw rod, an installation box is fixedly arranged on one side of the supporting box, a first gear motor is fixedly arranged in the installation box, one end of the double-tooth screw rod, which is close to the first gear motor, penetrates through the installation box, and one end of the double-tooth screw rod, which penetrates through the installation box, is fixedly connected with the end part of an output shaft of the first gear motor.
Through adopting above-mentioned technical scheme, through first gear motor drive double-tooth screw rod rotation, make two supporting shoe be located double-tooth screw rod two sections lateral walls and remove, the supporting shoe is with the synchronous motion of group's installation pole and electronic clamping jaw, reaches the effect of adjusting the distance between two electronic clamping jaws, and the equipment balance centre gripping door and window of being convenient for is favorable to improving the stability of door and window centre gripping.
Further, the balancing weight is close to balancing weight one side fixed mounting and has had the slider, the balancing weight keep away from lifting column one side offered with slider assorted spout, just spout bottom inner wall fixed mounting has the locating lever, the locating lever lateral wall is located to slider slip cap.
Through adopting above-mentioned technical scheme, it is fixed through slider and spout block between balancing piece and the balancing weight, and be equipped with the locating lever in the spout, on the locating lever was located to slider slip cap, be favorable to improving the stability of balancing piece installation, and be convenient for the staff follow-up balancing piece of changing different weights.
In summary, the present application includes the following beneficial technical effects:
(1) In this application, through the setting of clamping assembly, play the fixed door and window of centre gripping's effect, and adjust the position between two piece through adjusting part, and then reach the effect of adjusting the distance between two clamping assembly, be convenient for support firm door and window, play the effect of assisting the staff installation, need not that the staff is handheld, be favorable to improving staff's work efficiency.
(2) In this application, through drive assembly drive screw rotation, make the lifting column take clamping component to rise, and then play the effect of adjusting door and window height, the staff of being convenient for installs door and window, and through the cooperation of balancing weight and balancing piece, reach the effect of balanced equipment, help avoiding equipment one end heavier and slope, be favorable to improving the stability of equipment use.
Drawings
FIG. 1 is a schematic view of an auxiliary installation structure for doors and windows;
FIG. 2 is a cross-sectional view of the present application;
FIG. 3 is an enlarged view of FIG. 2A of the present application;
FIG. 4 is an enlarged view of B of FIG. 2 of the present application;
FIG. 5 is a cross-sectional view of a counterweight of the present application;
fig. 6 is an enlarged view of fig. 5C of the present application.
The reference numerals in the figures illustrate:
1. a base; 2. lifting columns; 3. a balance weight; 4. a slide block; 5. balancing weight; 6. a first cylinder; 7. a support box; 8. a mounting box; 9. an electric clamping jaw; 10. a mounting rod; 11. a support block; 12. a double-flighted screw; 13. a support plate; 14. a connecting column; 15. a second cylinder; 16. a first gear motor; 17. a storage groove; 18. a mounting groove; 19. a screw; 20. a driven gear; 21. a drive gear; 22. a second gear motor; 23. a connecting block; 24. and a sliding groove.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application; it is apparent that the described embodiments are only a part of the embodiments of the present application, not all of the embodiments, and all other embodiments obtained by a person having ordinary skill in the art without making creative efforts based on the embodiments in the present application are within the scope of protection of the present application.
In the description of the present application, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description of the present application and to simplify the description, and do not indicate or imply that the devices or elements to be referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context.
The present application is described in further detail below in conjunction with figures 1-6.
Referring to fig. 1-6, an auxiliary door and window mounting structure comprises a base 1, driving wheels are mounted at four corners of the bottom end of the base 1, two storage grooves 17 which are symmetrically distributed are formed in the bottom end of the base 1, supporting components are arranged in the two storage grooves 17, each supporting component comprises a second cylinder 15 fixedly mounted on the inner wall of the top end of each storage groove 17, connecting columns 14 are fixedly mounted at the end parts of piston shafts of the two second cylinders 15, supporting plates 13 are fixedly mounted at the bottom ends of the two connecting columns 14, anti-skid pads are fixedly mounted at the bottom ends of the two supporting plates 13, when the equipment is used, workers can drive the equipment to move through the driving wheels, and after the equipment moves to corresponding places, the same group of connecting columns 14 and the supporting plates 13 are driven to descend synchronously through the second cylinders 15, so that the supporting plates 13 are contacted with the ground, the effect of supporting and stabilizing equipment is achieved, and the stability of the equipment is improved.
The support box 7 sliding mounting has two support blocks 11 that are symmetrical distribution, and two support blocks 11 keep away from lifting column 2 one end and all slide and run through support box 7, two support blocks 11 run through support box 7 one end and all are equipped with the clamping assembly, the clamping assembly includes fixed mounting in two support blocks 11 and runs through the installation pole 10 of support box 7 one end, two installation pole 10 tops all are equipped with electronic clamping jaw 9, and the inboard equal fixed mounting of electronic clamping jaw 9 has the rubber pad, the staff arranges two installation pole 10 tops in door and window, fix door and window through electronic clamping jaw 9 centre gripping, be favorable to improving the stability that door and window goes up and down.
Be equipped with adjusting part between two supporting shoe 11, adjusting part is including rotating the double-tooth screw rod 12 of installing in supporting box 7, two supporting shoe 11 cover are located double-tooth screw rod 12 two sections lateral walls respectively, supporting box 7 one side fixed mounting has mounting box 8, and fixed mounting has first gear motor 16 in the mounting box 8, double-tooth screw rod 12 is close to first gear motor 16 one end and runs through mounting box 8, and double-tooth screw rod 12 runs through mounting box 8 one end and first gear motor 16 output shaft end fixed connection, drive double-tooth screw rod 12 rotation through first gear motor 16, make two supporting shoe 11 be located double-tooth screw rod 12 two sections lateral walls and remove, supporting shoe 11 is with the synchronous motion of group's installation pole 10 and electronic clamping jaw 9, reach the effect of adjusting the distance between two electronic clamping jaw 9, be convenient for equipment balance centre gripping door and window, be favorable to improving door and window centre gripping's stability.
The mounting groove 18 has been seted up in the base 1, and install screw 19 in the mounting groove 18 internal rotation, screw 19 lateral wall cover is equipped with lift post 2, and lift post 2 top runs through base 1, screw 19 hypomere lateral wall is equipped with drive assembly, drive assembly includes the driven gear 20 of fixed cover locating screw 19 hypomere lateral wall, mounting groove 18 bottom inner wall fixed mounting has second gear motor 22, and the fixed cover in second gear motor 22 output shaft tip is equipped with drive gear 21, drive gear 21 and driven gear 20 meshing, mounting groove 18 bottom inner wall fixed mounting has the gag lever post, and the gag lever post top slip runs through to lift post 2 in, after the door and window centre gripping is accomplished, drive gear 21 rotates through second gear motor 22 drive gear, drive gear 20 rotates, make lift post 2 carry support box 7 synchronous rising, and then play the effect of adjusting the door and window height, the staff of being convenient for removes door and window to the mounted position, reach the effect of supplementary installation.
Lifting column 2 top one side is equipped with supports box 7, and be equipped with flexible subassembly between support box 7 and the lifting column 2, flexible subassembly includes fixed mounting in lifting column 2 upper segment keep away from the first cylinder 6 of balancing weight 5 one side, first cylinder 6 piston shaft end fixed mounting has connecting block 23, and connecting block 23 keep away from first cylinder 6 one end and support box 7 relative one side fixed connection, after door and window lifts to mounted position, drive connecting block 23 and support box 7 synchronous lateral shifting through first cylinder 6, make door and window remove to the erection joint department, the follow-up installation door and window of staff of being convenient for, connecting block 23 bottom fixed mounting has the horizontal pole, and horizontal pole keep away from first cylinder 6 one side fixed mounting has two stabilizer bars that are symmetric distribution, two stabilizer bars all are located support box 7 below, support through the setting of horizontal pole and stabilizer bar between box 7 and the connecting block 23, play the effect of supporting the firm support box 7, be favorable to improving the stability of supporting box 7 use.
Lifting column 2 keeps away from support box 7 one side fixed mounting and has balancing weight 5, and balancing weight 5 keeps away from lifting column 2 one side and is equipped with balancing weight 3, balancing weight 3 is close to balancing weight 5 one side fixed mounting and has had slider 4, balancing weight 5 keep away from lifting column 2 one side offered with slider 4 assorted spout 24, and spout 24 bottom inner wall fixed mounting has the locating lever, slider 4 slip cap locates the locating lever lateral wall, it is fixed through slider 4 and spout 24 block between balancing weight 3 and the balancing weight 5, and be equipped with the locating lever in spout 24, the slider 4 slip cap is located on the locating lever, be favorable to improving the stability of balancing weight 3 installation, and the staff of being convenient for subsequently changes balancing weight 3 of different weights.
The implementation principle of the embodiment of the application is as follows: when the equipment is used, a worker places the door and window above two clamping assemblies, the door and window is fixed through the clamping assemblies, then, the worker can drive the equipment to move through the driving wheels, after the equipment moves to corresponding places, the equipment is supported and stabilized through the supporting assemblies, then, the driving assembly drives the screw 19 to rotate, the lifting column 2 carries the door and window to synchronously lift, the door and window is enabled to move to the installation position, after the door and window moves to the installation position, the door and window box installation position is driven through the telescopic assemblies, the follow-up installation of the worker is facilitated, the installation of the worker is assisted through the equipment clamping door and window, the worker is not required to manually lift the door and window, the installation efficiency of the worker is improved, the worker is facilitated to install the doors and windows of different sizes, the practicality of the equipment is improved, the effect of the balance equipment is achieved through the cooperation of the balancing weights 5 and the balancing weights 3 is facilitated, the equipment is prevented from being inclined due to the fact that one end of the equipment clamping door and window is enabled to be used.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (8)
1. The utility model provides a door and window auxiliary installation structure, includes base (1), its characterized in that: drive wheel is all installed in base (1) bottom four corners, just two storage tank (17) that are symmetrical distribution are seted up to base (1) bottom, two all be equipped with supporting component in storage tank (17), install mounting groove (18) in base (1), just screw rod (19) are installed in mounting groove (18) internal rotation, screw rod (19) lateral wall cover is equipped with lift post (2), just lift post (2) top runs through base (1), screw rod (19) hypomere lateral wall is equipped with drive assembly, lift post (2) top one side is equipped with supporting box (7), just be equipped with telescopic assembly between supporting box (7) and lift post (2), install two supporting shoe (11) that are symmetrical distribution in supporting box (7), and two supporting shoe (11) keep away from lift post (2) one end and all slide and run through supporting box (7), two supporting shoe (11) run through supporting box (7) one end and all are equipped with clamping assembly, and two supporting shoe (11) top one side is equipped with supporting box (5) and keep away from between supporting shoe (2), balancing weight (5) one side is kept away from supporting shoe (5).
2. The door and window auxiliary installation structure according to claim 1, wherein: the support assembly comprises a second air cylinder (15) fixedly mounted on the inner wall of the top end of the storage groove (17), connecting columns (14) are fixedly mounted at the end parts of piston shafts of the two second air cylinders (15), supporting plates (13) are fixedly mounted at the bottom ends of the connecting columns (14), and anti-slip pads are fixedly mounted at the bottom ends of the supporting plates (13).
3. The door and window auxiliary installation structure according to claim 1, wherein: the driving assembly comprises a driven gear (20) fixedly sleeved on the side wall of the lower section of the screw rod (19), a second gear motor (22) is fixedly installed on the inner wall of the bottom end of the mounting groove (18), a driving gear (21) is fixedly sleeved on the end part of the output shaft of the second gear motor (22), the driving gear (21) is meshed with the driven gear (20), a limiting rod is fixedly installed on the inner wall of the bottom end of the mounting groove (18), and the top end of the limiting rod penetrates into the lifting column (2) in a sliding mode.
4. The door and window auxiliary installation structure according to claim 1, wherein: the telescopic component comprises a first air cylinder (6) fixedly mounted on one side, far away from the balancing weight (5), of the upper section of the lifting column (2), a connecting block (23) is fixedly mounted at the end part of a piston shaft of the first air cylinder (6), and one end, far away from the first air cylinder (6), of the connecting block (23) is fixedly connected with one side, opposite to the supporting box (7), of the connecting block.
5. The door and window auxiliary installation structure according to claim 4, wherein: the connecting block (23) bottom fixed mounting has the horizontal pole, just horizontal pole keeps away from first cylinder (6) one side fixed mounting has two be symmetrical distribution's firm poles, two firm pole all is located support box (7) below.
6. The door and window auxiliary installation structure according to claim 1, wherein: the clamping assembly comprises a mounting rod (10) fixedly mounted at one end of the two supporting blocks (11) penetrating through the supporting box (7), electric clamping jaws (9) are arranged at the top ends of the two mounting rods (10), and rubber pads are fixedly mounted on the inner sides of the electric clamping jaws (9).
7. The door and window auxiliary installation structure according to claim 1, wherein: the adjusting component comprises a double-tooth screw (12) rotatably installed in a supporting box (7), two supporting blocks (11) are respectively sleeved on two sections of side walls of the double-tooth screw (12), an installation box (8) is fixedly installed on one side of the supporting box (7), a first gear motor (16) is fixedly installed in the installation box (8), one end of the double-tooth screw (12) close to the first gear motor (16) penetrates through the installation box (8), and one end of the double-tooth screw (12) penetrates through the installation box (8) and is fixedly connected with the end part of an output shaft of the first gear motor (16).
8. The door and window auxiliary installation structure according to claim 1, wherein: the balance weight (3) is close to slider (4) of fixed mounting in balancing weight (5) one side, balancing weight (5) keep away from lifting column (2) one side offered with slider (4) assorted spout (24), just spout (24) bottom inner wall fixed mounting has the locating lever, locating lever lateral wall is located to slider (4) slip cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321893231.0U CN220313281U (en) | 2023-07-17 | 2023-07-17 | Door and window auxiliary installation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321893231.0U CN220313281U (en) | 2023-07-17 | 2023-07-17 | Door and window auxiliary installation structure |
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| Publication Number | Publication Date |
|---|---|
| CN220313281U true CN220313281U (en) | 2024-01-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321893231.0U Active CN220313281U (en) | 2023-07-17 | 2023-07-17 | Door and window auxiliary installation structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN220313281U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117553219A (en) * | 2024-01-12 | 2024-02-13 | 常州知威汽车科技有限公司 | Installation device of pneumatic oil extraction and connection waste machine |
-
2023
- 2023-07-17 CN CN202321893231.0U patent/CN220313281U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117553219A (en) * | 2024-01-12 | 2024-02-13 | 常州知威汽车科技有限公司 | Installation device of pneumatic oil extraction and connection waste machine |
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