CN210533695U - Window testing device - Google Patents

Window testing device Download PDF

Info

Publication number
CN210533695U
CN210533695U CN201921986339.8U CN201921986339U CN210533695U CN 210533695 U CN210533695 U CN 210533695U CN 201921986339 U CN201921986339 U CN 201921986339U CN 210533695 U CN210533695 U CN 210533695U
Authority
CN
China
Prior art keywords
groove
sliding block
window
pressure plate
sliding
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.)
Expired - Fee Related
Application number
CN201921986339.8U
Other languages
Chinese (zh)
Inventor
丁强
丁勇
骆君
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Oscar Door And Window Technology Jiaxing Co Ltd
Original Assignee
Oscar Door And Window Technology Jiaxing Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Oscar Door And Window Technology Jiaxing Co Ltd filed Critical Oscar Door And Window Technology Jiaxing Co Ltd
Priority to CN201921986339.8U priority Critical patent/CN210533695U/en
Application granted granted Critical
Publication of CN210533695U publication Critical patent/CN210533695U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)

Abstract

The utility model relates to a window testing device, which comprises a fixing frame, a pressure plate and a power unit, wherein the fixing frame is composed of two main beams and a crossbeam, the pressure plate slides along the height direction of the fixing frame through the power unit, two first grooves are arranged on the lower surface of the pressure plate, first T-shaped grooves are arranged on the two side walls of the first grooves, first T-shaped blocks slide in the first T-shaped grooves, a first sliding block is fixed between the two first T-shaped blocks, a pressing rod is hinged on the first groove near one end of the main beam, a regulating rod is hinged on the pressing rod, the other end of the regulating rod is hinged on the first sliding block, a first threaded hole is arranged on the first sliding block, a waist-shaped hole is arranged on the top surface of the first groove, the pressure plate is fixedly connected with the first sliding block through a bolt, a clamping mechanism is arranged on the pressure plate, making the test device suitable for more types of windows.

Description

Window testing device
Technical Field
The utility model belongs to the technical field of the window and specifically relates to a test device of window is related to.
Background
Along with the development of building technology and the improvement of human living standard, people also are higher and higher to the outdoor appearance requirement of window, the window of thoughtlessly strange in the market appears in a large number, traditional plug-type window occupies a great majority of market, the most common has dome plug-type window, the push-pull window of oblique top, this three kinds of flat top plug-type window, the window is before circulating to the market, the producer all can carry out the capability test to the window, and wherein the performance test of opening and shutting of plug-type window is the most crucial, traditional testing arrangement opens and shuts the experiment to the window of flat top relatively easily, and to the window of dome or oblique top, because traditional testing arrangement can not be fine fixed non-flat top window, and be difficult to test non-flat top window, the type that traditional testing arrangement was suitable for is comparatively single window.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a test device of window, it has experimental window type many, and fixed window mode is simple and convenient, the effect of protection window frame.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
a window test device comprises a fixing frame, a pressure plate and a power unit, wherein the pressure plate is used for pressing a window frame in an abutting mode, the power unit is used for driving the pressure plate to slide up and down, the fixing frame is composed of two main beams and a cross beam, two ends of the cross beam are respectively fixed to the top ends of the two main beams, the pressure plate slides along the height direction of the fixing frame through the power unit, two first grooves are formed in the lower surface of the pressure plate, pressing rods are rotatably arranged at one ends, close to the main beams, of the first grooves, first T-shaped grooves are formed in the two side walls of the first grooves, first T-shaped blocks slide in the first T-shaped grooves and slide along the length direction of the pressure plate, a first sliding block is fixedly arranged between the two first T-shaped blocks, one side, close to a low-pressure rod, of the first sliding block is rotatably connected with an adjusting rod, waist shape hole has been seted up to first recess upper surface, it has the bolt to slide in the waist shape hole, bolt threaded connection is downthehole at first screw thread.
Through adopting above-mentioned technical scheme, during experimental oblique top window, at first slide first slider in the first recess, when adjusting the hypotenuse frame of regulation pole and window parallel, fixed pressure plate and first slider, support the depression bar, adjust the pole, the pressure plate three forms the triangle-shaped structure, make and support the depression bar immovably, power unit drives the pressure plate and slides downwards, until supporting the depression bar and supporting and pushing down the oblique top, the reciprocating of having injectd the window frame, angle between low pressure bar and the window oblique frame, make the window frame be difficult to remove about, testing arrangement not only limits in the window of flat top window frame, and be applicable to the window of other types.
The utility model discloses further set up to: the utility model discloses a pressure bar, including support depression bar, first recess, pressure piece one end fixedly connected with spring, the other end fixed connection of spring is in the pressure tank bottom surface.
Through adopting above-mentioned technical scheme, in order to avoid to support the pressure pole and cause destruction to window top frame, set up the pressure piece in support the pressure pole and contact window top frame department, the pressure piece supports under the effect of first spring and presses window top frame, and the pressure piece also can receive supporting of window top frame and press, slides to the pressure tank bottom surface direction, supports to press window top frame and has played a little cushioning effect, has avoided supporting the direct destruction that the pressure pole caused to the window.
The utility model discloses further set up to: a bottom plate is fixed between the main beams, the bottom plate is positioned below the pressure plate, a clamping mechanism for clamping the frame at the bottom of the window is arranged on the bottom plate, the clamping mechanism comprises a second groove arranged on the bottom plate, a first chute arranged on the bottom surface of the second groove, a second slide block and a third slide block which slide in the first chute, and a threaded rod which is in threaded connection with the second slide block and the third slide block, the second groove is arranged on one side of the bottom plate close to the pressure plate, the second sliding block is provided with a second threaded hole along the length direction of the second groove, a third threaded hole is formed in the third sliding block along the length direction of the second groove, two sections of threads with opposite thread turning directions are arranged on the threaded rod, the threaded rod is respectively in threaded connection with the second threaded hole and the third threaded hole, the two ends of the threaded rod are respectively connected to the left main beam and the right main beam in a rotating mode, and a hand wheel is coaxially fixed to one end of the threaded rod.
Through adopting above-mentioned technical scheme, the window frame bottom is placed on the bottom plate, and the back-and-forth movement of window has been restricted to the second recess, rotates the hand wheel, opens the threaded rod that has two-way screw and makes second slider and fourth slider move in opposite directions, and second slider and third slider support the left and right sides of window frame lower part respectively, have restricted the window and have controlled the displacement, and the window is easily fixed on test device's bottom plate.
The utility model discloses further set up to: clamping mechanism includes, sets up second spout on the pressure plate, slides fourth slider in the second spout, sets up the spacing hole on the second spout, fixes pull rod on the fourth slider and overlaps the second spring of establishing on the pull rod, the second spout is set up on the lateral wall of first recess, the one end of keeping away from first recess at the second spout is seted up to the spacing hole, the pull rod slides in spacing downthehole, the second spring is located between spacing hole and the fourth slider, it is close to second spout one side and has seted up the joint groove to support the depression bar, the joint groove is used for joint fourth slider.
Through adopting above-mentioned technical scheme, when fixed flat top window, need not use and support the depression bar, support in the depression bar need retrieve first recess, for making to support the depression bar and be firmly in first recess and not drop out, the fourth slider that slides in the second spout is under the elastic force effect of second spring, and the fourth slider supports in the joint inslot, makes the pressure plate lower surface be the leveling condition, is convenient for support the flat top window.
The utility model discloses further set up to: one end, far away from the fourth sliding block, of the pull rod is rotatably connected with a handle, a clamping block is arranged below the handle, and the clamping block is fixedly connected to the side wall of the pressure plate.
Through adopting above-mentioned technical scheme, when testing calotte or oblique top window, need use to support the depression bar and support and press the window top frame, the pull rod is pulled this moment, the rotation handle for the handle is close to pressure plate one side butt and is blocked soon, guarantees to support the depression bar and can freely angle of adjustment and not influenced.
The utility model discloses further set up to: the depth of the first groove is larger than the sum of the thicknesses of the abutting rod and the adjusting rod, and the sum of the length of the abutting rod and the length of the sliding block is equal to the length of the first groove.
Through adopting above-mentioned technical scheme, in the pressure plate need be retrieved to the pressure bar when supporting, in order to guarantee that the pressure plate lower surface is the horizontality, the degree of depth of first recess need be greater than the thickness value sum of supporting the depression bar and adjusting the pole, just can be totally with supporting the depression bar and adjusting the pole and take in first recess completely.
The utility model discloses further set up to: a fourth threaded hole is formed in one side wall, away from the first spring, of the pressure block, the inner thread of the fourth threaded hole is connected with an arc plate used for clamping the arc window frame, and the arc plate is provided with a threaded protrusion.
Through adopting above-mentioned technical scheme, seted up the fourth screw hole on the pressure piece, when needs fix circular window frame, the arc is fixed in the one end that the first spring was kept away from to the pressure piece, and convenient dismantlement can be relaxed to the arc piece for test device can test the window of a plurality of types.
The utility model discloses further set up to: and a first rubber pad is arranged on one side of the second sliding block, which is close to the third sliding block, and a second rubber pad is arranged on one side of the third sliding block, which is close to the second sliding block.
Through adopting above-mentioned technical scheme, the rubber pad has avoided the wearing and tearing that the rigid contact caused to the window, has protected the outward appearance of window.
To sum up, the utility model discloses a beneficial technological effect does: the experimental device has a plurality of types of tested windows; without limitation; the window fixing mode is simple and easy; has good protection effect on the appearance of the window.
Drawings
FIG. 1 is a schematic view of the overall structure of the embodiment;
FIG. 2 is an exploded view of the pressure plate structure of the embodiment;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
fig. 4 is an exploded schematic view of an embodiment chucking mechanism.
Reference numerals: 1. a fixed mount; 2. a pressure plate; 3. a base plate; 4. a first groove; 5. a first T-shaped groove; 6. a first T-shaped block; 7. a first slider; 8. a pressing rod; 9. adjusting a rod; 10. a first threaded hole; 11. a waist-shaped hole; 12. a bolt; 13. a clamping mechanism; 14. a chucking mechanism; 15. a pressure tank; 16. a first spring; 17. a pressure block; 18. a second groove; 19. a first chute; 20. a second slider; 21. a third slider; 22. a threaded rod; 23. a third threaded hole; 24. a second chute; 25. a fourth slider; 26. a limiting hole; 27. a pull rod; 28. a second spring; 29. a clamping groove; 30. a handle; 31. a clamping block; 32. a fourth threaded hole; 33. an arc-shaped plate; 34. a first rubber pad; 35. a second rubber pad; 36. a gear train set; 37. a first gear; 38. a drive shaft; 39. a second gear; 40. a motor; 41. a bearing seat; 42. a chain; 43. a first sprocket; 44. a second sprocket; 45. a transmission block; 46. a power unit; 47. and a second threaded hole.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, for the utility model discloses a test device of window, including mount 1, pressure plate 2, power pack 46, mount 1 is fixed subaerial, and mount 1 comprises two girders and a crossbeam, and the both ends sliding connection of pressure plate 2 is on the girder, and power pack 46 drives pressure plate 2 and vertically slides on the girder.
As shown in fig. 2, two first grooves 4 have been seted up to pressure plate 2 lower surface, first groove 4 is close to that girder one end is articulated to have a pressure bar 8, pressure bar 8 keeps away from first groove 4 one end and has seted up pressure tank 15, sliding connection has pressure block 17 in pressure tank 15, be equipped with first spring 16 between pressure block 17 and the pressure tank 15, 16 one end fixed connection of first spring is in the 15 bottom surfaces of pressure tank, 16 other end fixed connection of first spring is on the lateral wall that pressure block 17 kept away from the 15 bottom surfaces of pressure tank, pressure block 17 keeps away from first spring 16 one end and offers the fourth screw hole 32 that is used for threaded connection arc 33, fixedly connected with screw thread arch on one side is arched to arc 33.
As shown in fig. 2, two side walls of the first groove 4 are both provided with a first T-shaped groove 5, the first T-shaped groove 5 is connected with a first T-shaped block 6 in a sliding manner, a first sliding block 7 is fixedly connected between the two first T-shaped blocks 6, the first sliding block 7 is hinged with an adjusting rod 9, the other end of the adjusting rod 9 is hinged with the upper surface of the pressing rod 8, the depth of the first groove 4 is larger than the sum of the thicknesses of the pressing rod 8 and the adjusting rod 9, the length of propping depression bar 8 and the length sum of first slider 7 equals the length of first recess 4, first slider 7 horizontal slip in first recess 4, first screw hole 10 has been seted up to first slider 7 upper surface, waist shape hole 11 has been seted up to the top surface on the first recess 4, waist shape hole 11 passes through bolt 12 fixed connection with first screw hole 10, bolt 12 and first screw hole 10 threaded connection, bolt 12 and waist shape hole 11 sliding connection, be equipped with on the pressure plate 2 and be used for the joint to prop the latch mechanism 13 of depression bar 8.
As shown in fig. 1, 2 and 3, the clamping mechanism 13 includes a second sliding groove 24, a fourth sliding block 25, a limiting hole 26, a pull rod 27, a second spring 28, the second sliding groove 24 is disposed on the rear side wall of the first groove 4, the fourth sliding block 25 is slidably connected in the second sliding groove 24, the limiting hole 26 is disposed at one end of the second groove 18 far away from the first groove 4, the pull rod 27 is slidably connected in the limiting hole 26, one end of the pull rod 27 is fixedly connected with the fourth sliding block 25, the other end of the pull rod 27 is rotatably connected with a handle 30, a clamping block 31 is disposed below the handle 30, and the clamping block 31 is fixedly connected on the side wall of the pressure plate 2.
As shown in fig. 4, a bottom plate 3 is arranged below a pressure plate 2, the bottom plate 3 is fixed between two main beams, a clamping mechanism 14 for clamping the bottom of a window frame is arranged on the bottom plate 3, the clamping mechanism 14 comprises a second groove 18, a first sliding chute 19, a second sliding block 20, a third sliding block 21 and a threaded rod 22, the second groove 18 is arranged on one side of the bottom plate 3 close to the pressure plate 2, the first sliding chute 19 is arranged on the bottom surface of the second groove 18, the second sliding block 20 and the third sliding block 21 are slidably connected in the first sliding chute 19, a first rubber pad 34 is fixed on one side of the second sliding block 20 close to the third sliding block 21, a second rubber pad 35 is fixed on one side of the third sliding block 21 close to the second sliding block 20, the second sliding block 20 is provided with a second threaded hole 47 along the length direction of the second groove 18, the third sliding block 21 is provided with a third threaded hole 23 along the length direction of the second groove 18, the second threaded hole 47, the threaded rod 22 is rotatably connected in the second groove 18, two sections of threads with opposite thread turning directions are arranged on the threaded rod 22, one section of threads, close to the left main beam, of the threaded rod 22 is matched with the second threaded hole 47, one section of threads, close to the right main beam, of the threaded rod 22 is matched with the third threaded hole 23, and a hand wheel is coaxially fixed at one end, far away from the right main beam, of the threaded rod 22.
As shown in fig. 1, the power unit 46 includes two gear chain sets 36, a first gear 37, a transmission shaft 38, a second gear 39, a motor 40, and a bearing seat 41, the gear chain set 36 includes a chain 42, a first sprocket 43, a second sprocket 44, and a transmission block 45, the first sprocket 43 is rotatably connected to one side of the main beam away from the bottom plate 3, the second sprocket 44 is coaxially fixed to one end of the transmission shaft 38, the first sprocket 43 and the second sprocket 44 are respectively engaged with the chain 42, an upper surface of the transmission block 45 is fixedly connected to a starting end of the chain 42, a lower surface of the transmission block 45 is fixedly connected to a tail end of the chain 42, the transmission block 45 slides on the main beam, one end of the transmission block 45 away from the chain 42 is fixed to the pressure plate 2, the two bearing seats 41 are fixedly disposed on an upper surface of the fixed frame 1, the transmission shaft 38 is rotatably connected to shaft holes of the bearing seats 41, the first gear 37 is coaxially fixed, the motor 40 is fixedly arranged on the upper surface of the fixed frame 1, the second gear 39 is coaxially fixed on the motor 40, and the second gear 39 is meshed with the first gear 37.
The implementation principle of the embodiment is as follows: when the dome window needs to be tested, the window is firstly placed on the bottom plate 3, the second groove 18 in the bottom plate 3 limits the window frame to be incapable of moving back and forth, at the moment, the hand wheel is rotated, and the threaded rod 22 coaxially fixed with the hand wheel enables the second sliding block 20 and the third sliding block 21 to move oppositely, so that the window is limited to be incapable of moving left and right.
Pulling the pull rod 27 to make the fourth slider 25 keep away from the pressing rod 8, sliding the first slider 7 on the pressure plate 2, adjusting the angle between the pressing rod 8 and the adjusting rod 9, when the angle is adjusted, the first slider 7 and the pressure plate 2 are fixed through the bolt 12, so that the pressing rod 8, the pressure plate 2 and the adjusting rod 9 are in a triangular stable state, the arc plate 33 is installed on the pressure block 17, the motor 40 drives the second gear 39 which is coaxially fixed, the second gear 39 is meshed with the first gear 43 to enable the transmission shaft 38 to rotate, the rotating shaft 38 drives the second chain wheels 44 at two ends, the pressure plate 2 slides downwards along the height direction of the main beam under the meshing rotation of the chain 42 until the arc plate 33 completely presses the round top frame of the window, thereby limiting the up-down displacement of the window, and completely fixing the window on the fixing frame 1 of the testing device.
The embodiment of the present invention is a preferred embodiment of the present invention, which is not limited in this way to the protection scope of the present invention, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. The utility model provides a test device of window, includes mount (1), supports pressure plate (2), the power pack (46) that drive pressure plate (2) slided from top to bottom, its characterized in that of pressing the window frame: the fixing frame (1) is composed of two main beams and a cross beam, the two ends of the cross beam are respectively fixed at the top ends of the two main beams, the pressure plate (2) slides along the height direction of the fixing frame (1) through a power unit (46), two first grooves (4) are formed in the lower surface of the pressure plate (2), one ends, close to the main beams, of the first grooves (4) are rotated to form pressing rods (8), first T-shaped grooves (5) are formed in the two side walls of the first grooves (4), first T-shaped blocks (6) are slidably arranged in the first T-shaped grooves (5), the first T-shaped blocks (6) slide along the length direction of the pressure plate (2), first sliding blocks (7) are fixed between the two first T-shaped blocks (6), one side, close to the pressing rods (8), of the first sliding blocks (7) is rotatably connected with adjusting rods (9), and the other ends of the adjusting rods (9) are rotatably connected to the upper surfaces, first screw hole (10) have been seted up to first slider (7) upper surface, waist shape hole (11) have been seted up to first recess (4) upper surface, it has bolt (12) to slide in waist shape hole (11), bolt (12) threaded connection is in first screw hole (10).
2. A window testing apparatus according to claim 1, wherein: support depression bar (8) and keep away from first recess (4) one end and seted up pressure tank (15), it has pressure piece (17) to slide in pressure tank (15), first spring (16) of pressure piece (17) one end fixedly connected with, the other end fixed connection of first spring (16) is in pressure tank (15) bottom surface.
3. A window testing apparatus according to claim 1, wherein: a bottom plate (3) is fixed between the main beams, the bottom plate (3) is positioned below the pressure plate (2), a clamping mechanism (14) for clamping a frame at the bottom of the window is arranged on the bottom plate (3), the clamping mechanism (14) comprises a second groove (18) arranged on the bottom plate (3), a first sliding groove (19) arranged at the bottom surface of the second groove (18), a second sliding block (20) and a third sliding block (21) which slide in the first sliding groove (19), and a threaded rod (22) in threaded connection with the second sliding block (20) and the third sliding block (21), the second groove (18) is arranged at one side of the bottom plate (3) close to the pressure plate (2), the second sliding block (20) is provided with a second threaded hole (47) along the length direction of the second groove (18), and the third sliding block (21) is provided with a third threaded hole (23) along the length direction of the second groove (18), be provided with two sections screw threads that revolve to opposite on threaded rod (22), threaded rod (22) respectively with second screw hole (47) and third screw hole (23) threaded connection, threaded rod (22) both ends rotate respectively and connect about on the girder, threaded rod (22) one end coaxial fixation has the hand wheel.
4. A window testing apparatus according to claim 1, wherein: the clamping mechanism (13) used for clamping the abutting rod (8) is arranged on the pressure plate (2), the clamping mechanism (13) comprises a second sliding groove (24) formed in the pressure plate (2), a fourth sliding block (25) sliding in the second sliding groove (24), a limiting hole (26) formed in the second sliding groove (24), a pull rod (27) fixed on the fourth sliding block (25) and a second spring (28) sleeved on the pull rod (27), the second sliding groove (24) is formed in the side wall of the first groove (4), the limiting hole (26) is formed in one end, away from the first groove (4), of the second sliding groove (24), the pull rod (27) slides in the limiting hole (26), the second spring (28) is located between the limiting hole (26) and the fourth sliding block (25), one side, close to the second sliding groove (24), of the abutting rod (8) is provided with a clamping groove (29), the clamping groove (29) is used for clamping the fourth sliding block (25).
5. A window testing apparatus according to claim 4, wherein: one end, far away from the fourth sliding block (25), of the pull rod (27) is rotatably connected with a handle (30), a clamping block (31) is arranged below the handle (30), and the clamping block (31) is fixedly connected to the side wall of the pressure plate (2).
6. A window testing apparatus according to claim 1, wherein: the depth of the first groove (4) is larger than the sum of the thicknesses of the abutting rod (8) and the adjusting rod (9), and the sum of the length of the abutting rod (8) and the length of the sliding block is equal to the length of the first groove (4).
7. A window testing apparatus according to claim 2, wherein: a fourth threaded hole (32) is formed in one side wall, far away from the first spring (16), of the pressure block (17), an arc-shaped plate (33) used for clamping the arc-shaped window frame is connected with the inner thread of the fourth threaded hole (32), and the arc-shaped plate (33) is provided with a threaded protrusion.
8. A window testing apparatus according to claim 3, wherein: one side of the second sliding block (20) close to the third sliding block (21) is provided with a first rubber pad (34), and one side of the third sliding block (21) close to the second sliding block (20) is provided with a second rubber pad (35).
CN201921986339.8U 2019-11-15 2019-11-15 Window testing device Expired - Fee Related CN210533695U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921986339.8U CN210533695U (en) 2019-11-15 2019-11-15 Window testing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921986339.8U CN210533695U (en) 2019-11-15 2019-11-15 Window testing device

Publications (1)

Publication Number Publication Date
CN210533695U true CN210533695U (en) 2020-05-15

Family

ID=70608813

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921986339.8U Expired - Fee Related CN210533695U (en) 2019-11-15 2019-11-15 Window testing device

Country Status (1)

Country Link
CN (1) CN210533695U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114166116A (en) * 2021-11-04 2022-03-11 武汉武船重型装备工程有限责任公司 Light self-adaptive laser head for scanning component

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114166116A (en) * 2021-11-04 2022-03-11 武汉武船重型装备工程有限责任公司 Light self-adaptive laser head for scanning component

Similar Documents

Publication Publication Date Title
CN210533695U (en) Window testing device
CN108643546A (en) A kind of construction liftable truss
CN109036017A (en) A kind of high school student's physics frictional experiment demonstrator
CN110410653B (en) Display support
CN109176443B (en) General assembly training platform
CN216352905U (en) University student's ideological and political education achievement display device
CN114947366B (en) Multimedia conference guiding device of contact center system
CN213765768U (en) Multifunctional tool table for building electrical design
CN214034667U (en) Scaffold for power equipment installation
CN204157937U (en) The lectern of a kind of height and desktop tilt adjustable
CN213927634U (en) Wall bracket for repairing wooden ancient architecture
CN210251001U (en) Spring piece type trampoline
CN219138491U (en) Prevent building structure that overturns
CN217722937U (en) Desktop supports base convenient to stably grab ground
CN221095980U (en) But bracing piece of quick adjustment
CN214955544U (en) Portable colleges and universities are teaching aid for english teaching
CN221731118U (en) Fracture traction supporting device
CN220828709U (en) Display screen rotary mechanism
CN216547630U (en) High stone material strutting arrangement for stone material curtain of security
CN216984192U (en) Glass panel with detachable anti-aging glass sheet structure
CN219587276U (en) Support arrangement for civil engineering is with strutting arrangement
CN217099490U (en) Adjustable blackboard is used in teaching
CN218037955U (en) Game notebook computer matching mechanical keyboard with high placement stability
CN211827776U (en) Portable English learning aid
CN214037624U (en) Adjustable display screen base for computer that uses

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20200515

CF01 Termination of patent right due to non-payment of annual fee