CN210671043U - Explosion-proof rack installation guide rail frame - Google Patents
Explosion-proof rack installation guide rail frame Download PDFInfo
- Publication number
- CN210671043U CN210671043U CN201921585242.6U CN201921585242U CN210671043U CN 210671043 U CN210671043 U CN 210671043U CN 201921585242 U CN201921585242 U CN 201921585242U CN 210671043 U CN210671043 U CN 210671043U
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- fixedly connected
- guide rail
- groove
- lead screw
- sliding
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Abstract
The utility model belongs to the technical field of guide rail frames, in particular to an explosion-proof cabinet installation guide rail frame, which comprises a base, wherein the bottom of the inner wall of the base is provided with a third groove, and the inner wall of the third groove is fixedly connected with a slide bar; the utility model discloses, it rotates to drive first lead screw and second lead screw through the knob, can make two lead screw sleeves drive two cardboards and carry out the opposite direction movement, the device adopts damper, the movable assembly, flexible subassembly, first spring, the second spring, third spring and torque spring, realized carrying out the purpose of buffering to the vibrations that the guide rail frame received in-process removes, avoid the guide rail frame to damage, the life of guide rail frame has been ensured greatly, through setting up the gyro wheel, the knob, first lead screw, the second lead screw, lead screw sleeve and cardboard, realized the convenient removal to the guide rail frame, be convenient for carry out fixed mounting and dismantlement to the guide rail frame simultaneously, whole device is rational in infrastructure, and convenient for operation, therefore, the clothes hanger is strong in practicability.
Description
Technical Field
The utility model belongs to the technical field of the guide rail frame, concretely relates to explosion-proof rack installation guide rail frame.
Background
The explosion-proof cabinet is an electrical control cabinet used in explosion-proof places, and the basic principle is that air is introduced into the cabinet under the condition that the cabinet body is closed, so that the pressure in the cabinet is greater than the ambient pressure, and further, hazardous gas is prevented from entering the cabinet, and the normal operation of internal common electrical elements can be realized.
At present, the current guide rail frame for the installation of the explosion-proof cabinet that uses needs artifical transport or removes the guide rail frame at bottom fixed connection gyro wheel mostly when using, takes trouble hard, greatly increased workman's intensity of labour, can't cushion the vibrations that the device received simultaneously at the removal in-process, and can't distinguish the dismouting with between the gyro wheel, very big restriction to the application range of guide rail frame, the use limitation is big.
SUMMERY OF THE UTILITY MODEL
To solve the problems set forth in the background art described above. The utility model provides an explosion-proof rack installation guide rail frame has convenient to detach and laborsaving characteristics of saving trouble.
In order to achieve the above object, the utility model provides a following technical scheme: an explosion-proof cabinet installation guide rail frame comprises a base, wherein a third groove is formed in the bottom of the inner wall of the base, a sliding rod is fixedly connected to the inner wall of the third groove, two sliding sleeves are slidably connected to the surface of the sliding rod, two second springs and a first spring are sleeved on the surface of the sliding rod, opposite ends of the two second springs are fixedly connected to the side surfaces of the two sliding sleeves, the opposite ends of the two second springs are fixedly connected to the side surface of the inner wall of the third groove, two ends of the first spring are respectively and fixedly connected to opposite surfaces of the two sliding sleeves, movable components are respectively and fixedly connected to the tops of the two sliding sleeves, damping plates are fixedly connected to the tops of the movable components, first grooves are formed in the tops of the damping plates, first bearings are fixedly connected to the left side surface and the right side surface of the inner wall of the first groove, and first rotating shafts are, two the opposite face of first pivot is first lead screw of fixedly connected with and second lead screw respectively, the equal threaded connection in surface of first lead screw and second lead screw has the lead screw sleeve, telescopic top fixedly connected with cardboard of lead screw, the top of shock attenuation board is provided with the guide rail frame, the draw-in groove has been seted up to the side of guide rail frame, cardboard and draw-in groove joint, install explosion-proof rack on the guide rail frame, the bottom fixedly connected with damper assembly of shock attenuation board, the second recess has been seted up at the top of base, the flexible subassembly of fixedly connected with in the second recess, the top fixed connection of flexible subassembly is in the bottom of shock attenuation board.
Preferably, damper includes ratch, gear, torsion spring, second pivot and second bearing, ratch fixed connection is in the bottom of shock attenuation board, ratch and gear engagement, the rear side fixedly connected with second pivot of gear, the second bearing is worn to be equipped with on the surface of second pivot, second bearing fixed connection is in the front of base inner wall, torsion spring has been cup jointed on the surface of second pivot, torsion spring's one end fixed connection is in the second pivot, torsion spring's other end fixed connection is at the back of gear.
Preferably, the movable assembly comprises two fixed plates, two pin shafts and a movable rod, the two fixed plates are respectively and fixedly connected to opposite surfaces of the sliding sleeve and the damping plate, and the two fixed plates are both movably connected with the movable rod through the pin shafts.
Preferably, flexible subassembly includes drum, second slider, second spout and lifter, drum fixed connection is in the bottom of second recess inner wall, the second spout has all been seted up to the left and right sides face of drum inner wall, sliding connection has the second slider in the second spout, two the opposite face fixedly connected with lifter of second slider, the top fixed connection of lifter is in the bottom of shock attenuation board.
Preferably, two first sliding grooves are formed in the bottom of the first groove, two first sliding blocks are connected to the inside of each first sliding groove in a sliding mode, and the two first sliding blocks are fixedly connected with the two lead screw sleeves respectively.
Preferably, the thread directions of the first screw rod and the second screw rod are opposite, and the first rotating shaft on the left side penetrates through the first bearing and is fixedly connected with the knob.
Preferably, the bottom of base fixedly connected with gyro wheel, the quantity of gyro wheel is four, and four gyro wheels are located the position that the base bottom is close to the four corners respectively.
Preferably, the side of the base is provided with a handle, and the surface of the handle is provided with anti-skid grains.
Preferably, the surface of the telescopic assembly is sleeved with a third spring, the top end of the third spring is fixedly connected to the bottom of the damping plate, and the bottom end of the third spring is fixedly connected to the bottom of the inner wall of the second groove.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses, drive first lead screw and second lead screw rotation through the knob, can make two lead screw sleeves drive two cardboards and carry out the opposite motion, through the joint and the separation of cardboard and draw-in groove, realize the tight fixed or dismantlement of clamp of guide rail frame, be applicable to the guide rail frame of multiple length simultaneously, use flexibility ratio is high, flexible assembly is with the help of the elasticity of third spring, through the reciprocating of lifter, can cooperate movable rod subassembly and damper assembly to realize the purpose of buffering the vibrations that the device received, through the continuous meshing of gear and ratch in the damper assembly, simultaneously with the help of the elasticity of torsion spring, can play the cushioning effect to the vibrations that the device received, the device adopts damper assembly, movable assembly, flexible assembly, first spring, second spring, third spring and torsion spring, realized the purpose of buffering the vibrations that receive in the guide rail frame removal process, avoid the guide rail frame to damage, ensured the life of guide rail frame greatly, through setting up gyro wheel, knob, first lead screw, second lead screw, lead screw sleeve and cardboard, realized the convenient removal to the guide rail frame, be convenient for simultaneously carry out fixed mounting and dismantlement to the guide rail frame, convenient to use, whole device is rational in infrastructure, convenient operation, the practicality is strong.
2. The utility model discloses, through the sliding sleeve in slide bar surface horizontal slip, can drive movable subassembly and control, when the device receives vibrations, fixed plate in the movable subassembly removes along with the sliding sleeve removes, simultaneously with the help of the effect of round pin axle, through the upper and lower activity of movable rod, can drive the shock attenuation board and carry out the top and bottom activity, elasticity with the help of first spring and second spring, play the cushioning effect to the vibrations that receive, the sliding action of first spout and first slider, can cooperate the lead screw sleeve to drive the cardboard and remove about, rotate the knob, can drive first pivot rotation, and then realize driving first lead screw and second lead screw and rotate the purpose, the more convenient thrust unit of people of being convenient for of handle, the cooperation gyro wheel realizes the removal to the device.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view of a front view section of the present invention;
FIG. 2 is a schematic structural view of the telescopic assembly of the present invention;
FIG. 3 is a schematic structural view of a movable assembly of the present invention;
FIG. 4 is a schematic structural view of a shock absorbing assembly of the present invention;
in the figure: 1. a base; 2. a slide bar; 3. a roller; 4. a sliding sleeve; 5. a first spring; 6. a shock absorbing assembly; 61. a rack bar; 62. a gear; 63. a torsion spring; 64. a second rotating shaft; 65. a second bearing; 7. a movable component; 71. a fixing plate; 72. a pin shaft; 73. a movable rod; 8. a second spring; 9. a first slider; 10. a first chute; 11. a handle; 12. a first groove; 13. a screw rod sleeve; 14. an explosion-proof cabinet; 15. a guide rail bracket; 16. a card slot; 17. clamping a plate; 18. a first lead screw; 19. a first rotating shaft; 20. a first bearing; 21. a knob; 22. a second groove; 23. a telescoping assembly; 231. a cylinder; 232. a second slider; 233. a second chute; 234. a lifting rod; 24. a third spring; 25. a second lead screw; 26. a third groove; 27. a shock absorbing plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
Referring to fig. 1-4, the present invention provides the following technical solutions: an explosion-proof cabinet installation guide rail frame comprises a base 1, wherein a third groove 26 is formed in the bottom of the inner wall of the base 1, a sliding rod 2 is fixedly connected to the inner wall of the third groove 26, two sliding sleeves 4 are slidably connected to the surface of the sliding rod 2, the sliding sleeves 4 slide left and right on the surface of the sliding rod 2 and can drive a movable assembly 7 to move left and right, two second springs 8 and first springs 5 are sleeved on the surface of the sliding rod 2, opposite ends of the two second springs 8 are fixedly connected to the side faces of the two sliding sleeves 4, opposite ends of the two second springs 8 are fixedly connected to the side faces of the inner wall of the third groove 26, two ends of the first spring 5 are respectively and fixedly connected to opposite faces of the two sliding sleeves 4, the tops of the two sliding sleeves 4 are both fixedly connected with the movable assembly 7, a damping plate 27 is fixedly connected to the top of the movable assembly 7, a first groove 12 is, the left side surface and the right side surface of the inner wall of the first groove 12 are fixedly connected with first bearings 20, first rotating shafts 19 penetrate through the two first bearings 20, opposite surfaces of the two first rotating shafts 19 are fixedly connected with a first screw rod 18 and a second screw rod 25 respectively, the first screw rod 18 and the second screw rod 25 are driven to rotate through knobs 21, two screw rod sleeves 13 can drive two clamping plates 17 to move oppositely, clamping fixing or dismounting of the guide rail frame 15 is realized through clamping and separating of the clamping plates 17 and clamping grooves 16, the guide rail frame 15 is suitable for multiple-length guide rail frames 15, the use flexibility is high, the surfaces of the first screw rod 18 and the second screw rod 25 are both in threaded connection with screw rod sleeves 13, the clamping plates 17 are fixedly connected to the tops of the screw rod sleeves 13, the guide rail frame 15 is arranged on the tops of the damping plates 27, the clamping grooves 16 are formed in the side surfaces of the guide rail frames 15, the clamping plate 17 is clamped with the clamping groove 16, the explosion-proof cabinet 14 is installed on the guide rail frame 15, the bottom of the damping plate 27 is fixedly connected with the damping component 6, the top of the base 1 is provided with the second groove 22, the telescopic component 23 is fixedly connected in the second groove 22, the top of the telescopic component 23 is fixedly connected to the bottom of the damping plate 27, the device adopts the damping component 6, the movable component 7, the telescopic component 23, the first spring 5, the second spring 8, the third spring 24 and the torsion spring 63, the purpose of buffering the vibration received in the moving process of the guide rail frame 15 is realized, the damage of the guide rail frame 15 is avoided, the service life of the guide rail frame 15 is greatly ensured, the convenient movement of the guide rail frame 15 is realized by arranging the idler wheel 3, the knob 21, the first lead screw 18, the second lead screw 25, the lead screw sleeve 13 and the clamping plate 17, and the fixed installation and the disassembly of the guide rail frame 15 are convenient, convenient to use, whole device is rational in infrastructure, convenient operation, and the practicality is strong.
Specifically, the damping component 6 includes a rack bar 61, a gear 62, a torsion spring 63, a second rotating shaft 64 and a second bearing 65, the rack bar 61 is fixedly connected to the bottom of the damping plate 27, the rack bar 61 is engaged with the gear 62, the rear side of the gear 62 is fixedly connected with the second rotating shaft 64, the second bearing 65 is penetrated through the surface of the second rotating shaft 64, the second bearing 65 is fixedly connected to the front side of the inner wall of the base 1, the torsion spring 63 is sleeved on the surface of the second rotating shaft 64, one end of the torsion spring 63 is fixedly connected to the second rotating shaft 64, the other end of the torsion spring 63 is fixedly connected to the back side of the gear 62, and through the continuous engagement of the gear 62 and the rack bar 61 in the damping component 6, simultaneously, with the help of the elasticity of the torsion spring 63, the damping component can play a role in damping the vibration received by the,
specifically, the movable assembly 7 comprises two fixed plates 71, two pin shafts 72 and a movable rod 73, the two fixed plates 71 are respectively and fixedly connected to opposite surfaces of the sliding sleeve 4 and the damping plate 27, the two fixed plates 71 are both movably connected with the movable rod 73 through the pin shafts 72, when the device is vibrated, the fixed plates 71 in the movable assembly 7 move left and right along with the sliding sleeve 4, and simultaneously, the damping plate 27 can be driven to move up and down through the up-and-down movement of the movable rod 73 under the action of the pin shafts 72, and the elasticity of the first spring 5 and the second spring 8 is utilized to buffer the vibration,
specifically, flexible subassembly 23 includes drum 231, second slider 232, second spout 233 and lifter 234, drum 231 fixed connection is in the bottom of second recess 22 inner wall, second spout 233 has all been seted up to the left and right sides face of drum 231 inner wall, sliding connection has second slider 232 in the second spout 233, two the opposite face fixedly connected with lifter 234 of second slider 232, the top fixed connection of lifter 234 is in the bottom of shock attenuation board 27, and flexible subassembly 23 is with the help of the elasticity of third spring 24, through reciprocating of lifter 234, can cooperate movable rod 73 subassembly and damper 6 to realize carrying out the purpose of buffering to the vibrations that the device received.
Specifically, two first chutes 10 are formed in the bottom of the first groove 12, two first sliding blocks 9 are connected in the first chutes 10 in a sliding manner, the first sliding blocks 9 are fixedly connected with two lead screw sleeves 13 respectively, and the sliding effect of the first sliding chutes 10 and the first sliding blocks 9 can cooperate with the lead screw sleeves 13 to drive the clamping plate 17 to move left and right.
Specifically, the thread directions of the first screw rod 18 and the second screw rod 25 are opposite, the first rotating shaft 19 on the left side penetrates through the first bearing 20 and is fixedly connected with the knob 21, the knob 21 is rotated, the first rotating shaft 19 can be driven to rotate, and the purpose of driving the first screw rod 18 and the second screw rod 25 to rotate is achieved.
Specifically, the bottom fixedly connected with gyro wheel 3 of base 1, the quantity of gyro wheel 3 is four, and four gyro wheels 3 are located the position that is close to the four corners in base 1 bottom respectively.
Specifically, the side of base 1 is provided with handle 11, handle 11 surface is provided with anti-skidding line, and handle 11 is convenient for people's more convenient thrust unit, and the removal to the device is realized to cooperation gyro wheel 3.
Specifically, the surface of the telescopic assembly 23 is sleeved with a third spring 24, the top end of the third spring 24 is fixedly connected to the bottom of the damping plate 27, and the bottom end of the third spring 24 is fixedly connected to the bottom of the inner wall of the second groove 22.
The utility model discloses a theory of operation and use flow: the utility model discloses, during the use, at first place guide rail frame 15 on shock attenuation board 27, then rotate knob 21, drive first lead screw 18 and second lead screw 25 and rotate, with the help of the sliding action of first spout 10 and first slider 9, make lead screw sleeve 13 drive cardboard 17 and draw-in groove 16 joint, realize the fixed mounting to guide rail frame 15, then install explosion-proof rack 14 on guide rail frame 15, through handle 11 and gyro wheel 3 thrust unit, to carry out the position movement to the device, in the removal process, the vibrations that the device received loops through shock attenuation subassembly 6, extensible subassembly 23 and movable assembly 7 cooperate first spring 5, second spring 8, third spring 24 and the effect of torsion spring 63 and cushion, avoid vibrations to form the damage to the device, when needing to take off guide rail frame 15 and use alone, through reverse rotation knob 21, make lead screw sleeve 13 drive cardboard 17 and draw-in groove 16 separation, the rail frame 15 is removed for use.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides an explosion-proof rack installation guide rail frame, includes base (1), its characterized in that: the bottom of the inner wall of the base (1) is provided with a third groove (26), the inner wall of the third groove (26) is fixedly connected with a sliding rod (2), the surface of the sliding rod (2) is connected with two sliding sleeves (4) in a sliding manner, the surface of the sliding rod (2) is sleeved with two second springs (8) and a first spring (5), opposite ends of the two second springs (8) are fixedly connected to the side surfaces of the two sliding sleeves (4), the two second springs (8) are fixedly connected to the side surface of the inner wall of the third groove (26) in a separated manner, two ends of the first spring (5) are respectively fixedly connected to opposite surfaces of the two sliding sleeves (4), the tops of the two sliding sleeves (4) are both fixedly connected with a movable assembly (7), the top of the movable assembly (7) is fixedly connected with a damping plate (27), the top of the damping plate (27) is provided with a first groove (12), the anti-explosion cabinet shock absorber is characterized in that first bearings (20) are fixedly connected to the left side surface and the right side surface of the inner wall of the first groove (12), first rotating shafts (19) penetrate through the two first bearings (20), opposite surfaces of the two first rotating shafts (19) are fixedly connected with a first lead screw (18) and a second lead screw (25) respectively, the surfaces of the first lead screw (18) and the second lead screw (25) are in threaded connection with a lead screw sleeve (13), a clamping plate (17) is fixedly connected to the top of the lead screw sleeve (13), a guide rail frame (15) is arranged at the top of the shock absorption plate (27), a clamping groove (16) is formed in the side surface of the guide rail frame (15), the clamping plate (17) is connected with the clamping groove (16) in a clamped mode, an anti-explosion cabinet (14) is installed on the guide rail frame (15), a shock absorption assembly (6) is fixedly connected to the bottom of the shock absorption plate (27, the telescopic component (23) is fixedly connected in the second groove (22), and the top of the telescopic component (23) is fixedly connected to the bottom of the damping plate (27).
2. The explosion proof cabinet mounting guide rail bracket of claim 1, wherein: damper (6) are including ratch (61), gear (62), torsion spring (63), second pivot (64) and second bearing (65), ratch (61) fixed connection is in the bottom of shock attenuation board (27), ratch (61) and gear (62) meshing, rear side fixedly connected with second pivot (64) of gear (62), second bearing (65) are worn to be equipped with on the surface of second pivot (64), second bearing (65) fixed connection is in the front of base (1) inner wall, torsion spring (63) have been cup jointed on the surface of second pivot (64), the one end fixed connection of torsion spring (63) is on second pivot (64), the other end fixed connection of torsion spring (63) is at the back of gear (62).
3. The explosion proof cabinet mounting guide rail bracket of claim 1, wherein: the movable assembly (7) comprises two fixing plates (71), two pin shafts (72) and movable rods (73), the two fixing plates (71) are fixedly connected to opposite surfaces of the sliding sleeve (4) and the damping plate (27) respectively, and the two fixing plates (71) are movably connected with the movable rods (73) through the pin shafts (72).
4. The explosion proof cabinet mounting guide rail bracket of claim 1, wherein: the telescopic assembly (23) comprises a cylinder (231), a second slider (232), a second sliding groove (233) and a lifting rod (234), wherein the cylinder (231) is fixedly connected to the bottom of the inner wall of the second groove (22), the left side and the right side of the inner wall of the cylinder (231) are provided with the second sliding groove (233), the second sliding groove (233) is internally connected with the second slider (232) in the second sliding groove (233), the second slider is connected with the lifting rod (234) in a sliding mode, the opposite surface of the second slider (232) is fixedly connected with the lifting rod (234), and the top end of the lifting rod (234) is fixedly connected to the bottom of the damping.
5. The explosion proof cabinet mounting guide rail bracket of claim 1, wherein: two first chutes (10) are formed in the bottom of the first groove (12), two first sliding blocks (9) are connected in the first chutes (10) in a sliding mode, and the two first sliding blocks (9) are fixedly connected with the two lead screw sleeves (13) respectively.
6. The explosion proof cabinet mounting guide rail bracket of claim 1, wherein: the thread directions of the first screw rod (18) and the second screw rod (25) are opposite, and the first rotating shaft (19) on the left side penetrates through the first bearing (20) and is fixedly connected with a knob (21).
7. The explosion proof cabinet mounting guide rail bracket of claim 1, wherein: the bottom fixedly connected with gyro wheel (3) of base (1), the quantity of gyro wheel (3) is four, and four gyro wheels (3) are located the position that base (1) bottom is close to the four corners respectively.
8. The explosion proof cabinet mounting guide rail bracket of claim 1, wherein: the side of the base (1) is provided with a handle (11), and the surface of the handle (11) is provided with anti-skid grains.
9. The explosion proof cabinet mounting guide rail bracket of claim 4, wherein: the surface of the telescopic assembly (23) is sleeved with a third spring (24), the top end of the third spring (24) is fixedly connected to the bottom of the damping plate (27), and the bottom end of the third spring (24) is fixedly connected to the bottom of the inner wall of the second groove (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921585242.6U CN210671043U (en) | 2019-09-23 | 2019-09-23 | Explosion-proof rack installation guide rail frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921585242.6U CN210671043U (en) | 2019-09-23 | 2019-09-23 | Explosion-proof rack installation guide rail frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210671043U true CN210671043U (en) | 2020-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921585242.6U Expired - Fee Related CN210671043U (en) | 2019-09-23 | 2019-09-23 | Explosion-proof rack installation guide rail frame |
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| CN (1) | CN210671043U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111508288A (en) * | 2020-06-05 | 2020-08-07 | 王思思 | Auxiliary device for music teaching |
| CN111769454A (en) * | 2020-07-09 | 2020-10-13 | 淮南万泰电气有限公司 | Installation mechanism for low-voltage switch cabinet and installation method thereof |
| CN112359744A (en) * | 2020-11-21 | 2021-02-12 | 新化县涵壹科技开发有限公司 | Municipal works are with construction notice board |
| CN112388857A (en) * | 2020-11-20 | 2021-02-23 | 刘欣 | Dosing unit for plastic processing machinery |
| CN113123964A (en) * | 2021-05-28 | 2021-07-16 | 江苏嘉瑞丰机电设备有限公司 | Adjustable intelligent high-efficiency motor servo energy-saving pump set of hydraulic station |
| CN113354016A (en) * | 2021-05-06 | 2021-09-07 | 浦恩远 | Water sample mercury vapor stripping and concentrating device |
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2019
- 2019-09-23 CN CN201921585242.6U patent/CN210671043U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111508288A (en) * | 2020-06-05 | 2020-08-07 | 王思思 | Auxiliary device for music teaching |
| CN111769454A (en) * | 2020-07-09 | 2020-10-13 | 淮南万泰电气有限公司 | Installation mechanism for low-voltage switch cabinet and installation method thereof |
| CN112388857A (en) * | 2020-11-20 | 2021-02-23 | 刘欣 | Dosing unit for plastic processing machinery |
| CN112359744A (en) * | 2020-11-21 | 2021-02-12 | 新化县涵壹科技开发有限公司 | Municipal works are with construction notice board |
| CN113354016A (en) * | 2021-05-06 | 2021-09-07 | 浦恩远 | Water sample mercury vapor stripping and concentrating device |
| CN113123964A (en) * | 2021-05-28 | 2021-07-16 | 江苏嘉瑞丰机电设备有限公司 | Adjustable intelligent high-efficiency motor servo energy-saving pump set of hydraulic station |
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| CF01 | Termination of patent right due to non-payment of annual fee |