Glass photoelectric composite heat-insulation building outer wall system

文档序号:299970 发布日期:2021-11-26 浏览:7次 中文

阅读说明:本技术 一种玻璃光电复合保温建筑物外墙系统 (Glass photoelectric composite heat-insulation building outer wall system ) 是由 李赟 于 2021-08-24 设计创作,主要内容包括:本发明公开一种玻璃光电复合保温建筑物外墙系统,包括光电玻璃和横向固定架,所述光电玻璃的上下侧均设置有横向固定架,两个所述横向固定架的左右两端均设置有竖向固定架,两个所述横向固定架均通过固定螺栓与两个竖向固定架进行固定,通过在竖向固定架上设置了固定装置,来代替原有电源接线盒与竖向固定架通过螺丝连接的方式,使电源接线盒在安装和拆下的时候更加的方便快速,又在电源接线盒的左端设置了固定板,固定板可以在固定壳内进行上下移动,挡板可以将固定板固定在固定壳的内部,通过转轴内的弹簧,使固定板不会在固定壳内向上移动,挡板可以通过转轴旋转到收集槽内,这样即可将电源接线盒从固定装置上取下,这样在安装和拆下电源接线盒的时候都比较的方便。(The invention discloses a glass photoelectric composite heat-insulating building outer wall system, which comprises photoelectric glass and transverse fixing frames, wherein the upper side and the lower side of the photoelectric glass are respectively provided with the transverse fixing frames, the left end and the right end of each transverse fixing frame are respectively provided with a vertical fixing frame, the two transverse fixing frames are respectively fixed with the two vertical fixing frames through fixing bolts, the vertical fixing frames are provided with fixing devices to replace the original mode that a power supply junction box is connected with the vertical fixing frames through screws, so that the power supply junction box is more convenient and rapid to install and detach, the left end of the power supply junction box is provided with a fixing plate, the fixing plate can move up and down in a fixing shell, the fixing plate can be fixed in the fixing shell through a baffle plate, the fixing plate can not move up in the fixing shell through a spring in a rotating shaft, and can rotate to a collecting groove through the rotating shaft, therefore, the power supply junction box can be taken down from the fixing device, and the power supply junction box is convenient to install and detach.)

1. The utility model provides a glass photoelectricity compound incubation building outer wall system, includes photoelectricity glass (1) and horizontal mount (2), its characterized in that: the photoelectric glass is characterized in that transverse fixing frames (2) are arranged on the upper side and the lower side of the photoelectric glass (1), vertical fixing frames (6) are arranged at the left end and the right end of each of the two transverse fixing frames (2), the two transverse fixing frames (2) are fixed with the two vertical fixing frames (6) through fixing bolts (15), a mounting plate (5) is arranged on the rear side of each vertical fixing frame (6), a wall body (7) is arranged on the rear side of each mounting plate (5), connecting rods (10) penetrate through four corners of each mounting plate (5), the rear ends of the connecting rods (10) are located inside the wall body (7), fixing nuts A (11) are sleeved at the front ends of the four connecting rods (10), two connecting frames (4) are arranged at the front ends of the mounting plates (5), and the two connecting frames (4) are respectively fixed with the left end and the right end of each vertical fixing frame (6), the front end of the vertical fixing frame (6) is provided with an installation rod (12), a sliding groove (9) is arranged inside the installation rod (12), a fixed rod (8) is arranged inside the sliding groove (9), a fixed seat (18) is arranged on the front side of the vertical fixing frame (6), a fixed nut B (19) is arranged inside the fixed seat (18), the fixed rod (8) penetrates through the fixed nut B (19) and the fixed seat (18), the front end of the fixed seat (18) is provided with a shell (3), the right end of the vertical fixing frame (6) is provided with a fixing device (17), the fixing device (17) is composed of a fixed shell (20), a bottom plate (21), a baffle plate (22), a rotating shaft (24), a spring (25) and a collecting tank (26), the right end of the bottom plate (21) is provided with the fixed shell (20), the rotating shaft (24) is arranged inside the upper end of the bottom plate (21), the inside of pivot (24) is provided with spring (25), the downside of pivot (24) is provided with collecting vat (26), the lower extreme of pivot (24) is provided with baffle (22), baffle (22) are located the inside of collecting vat (26), the inside of set casing (20) is provided with fixed plate (23), the right-hand member of fixed plate (23) is provided with power terminal box (13), the upper end of power terminal box (13) and the rear end of photoelectricity glass (1) all are provided with data transmission line (16), two be provided with adapter (14) between data transmission line (16).

2. The glass photoelectric composite heat-insulating building outer wall system according to claim 1, characterized in that: photoelectric glass (1) is the solar energy photoelectric curtain wall, the upper and lower both ends of photoelectric glass (1) all bond fixedly through glass cement with horizontal mount (2), two the outer wall of data transmission line (16) is the structure that the PVC material constitutes, two the cross-sectional shape of data transmission line (16) is circular.

3. The glass photoelectric composite heat-insulating building outer wall system according to claim 1, characterized in that: shell (3) and fixing base (18) are the structure that the metal material constitutes, the outward appearance of shell (3) and fixing base (18) has all been painted paint, shell (3) are fixed through the mode of joint with fixing base (18), the outward appearance of dead lever (8) and connecting rod (10) all is provided with the screw thread.

4. The glass photoelectric composite heat-insulating building outer wall system according to claim 1, characterized in that: the inside of horizontal mount (2) and vertical mount (6) is hollow structure, two link (4) all adopt the welded mode to fix with both ends about vertical mount (6), fixation nut A (11) can rotate at the front end of connecting rod (10), connecting rod (10) can carry out the back-and-forth movement in the turning of mounting panel (5).

5. The glass photoelectric composite heat-insulating building outer wall system according to claim 1, characterized in that: the cross sectional shape of dead lever (8) and spout (9) is the T font, dead lever (8) can reciprocate in the inside of spout (9), two link (4) all adopt the welded mode to fix with mounting panel (5), the cross sectional shape size homogeneous phase of horizontal mount (2) and vertical mount (6).

6. The glass photoelectric composite heat-insulating building outer wall system according to claim 1, characterized in that: the fixing device (17) is integrally of a structure made of metal materials, the outer portion of the power junction box (13) and the fixing plate (23) are both of structures made of hard plastic materials, the outer portion of the power junction box (13) and the fixing plate (23) are manufactured in an integrated pouring mode, and the cross sections of the power junction box (13) and the fixing plate (23) are both rectangular.

7. The glass photoelectric composite heat-insulating building outer wall system according to claim 1, characterized in that: the fixing plate (23) can move up and down between the fixing shell (20) and the bottom plate (21), the baffle plate (22) can rotate through the rotating shaft (24), the upper end of the spring (25) is located inside the bottom plate (21), and the lower end of the bottom plate (21) is located inside the baffle plate (22).

8. The glass photoelectric composite heat-insulating building outer wall system according to claim 1, characterized in that: the baffle (22) and the collecting tank (26) are identical in shape, the baffle (22) can rotate inside the collecting tank (26), and the bottom plate (21) and the vertical fixing frame (6) are fixed in a welding mode.

Technical Field

The invention belongs to the related technical field of building exterior walls, and particularly relates to a glass photoelectric composite heat-insulation building exterior wall system.

Background

The photoelectric curtain wall is adhered to the glass and embedded between the two pieces of glass, and light energy can be converted into electric energy through the battery. This is the solar photoelectric curtain wall. The solar photovoltaic power generation device is a photovoltaic cell and photovoltaic panel technology, converts sunlight into electric energy, and the key technology is a solar photovoltaic cell technology. The solar photovoltaic cell utilizes photon energy of sunlight to move electrons of irradiated electrolyte or semiconductor materials so as to generate voltage, which is called as photoelectric effect, and solar energy is inexhaustible energy. In order to convert solar energy into usable energy without pollution, the photoelectric curtain wall technology is produced. The photoelectric curtain wall (roof) is a new building curtain wall (roof) combining traditional curtain wall (roof) with photovoltaic effect (photoelectric principle). The novel technology scientifically combines the photoelectric technology with the curtain wall system technology, and the photoelectric curtain wall has the performance of a common curtain wall and has the greatest characteristic of converting light energy into electric energy. The solar cell uses photon energy of sunlight to move electrons of an irradiated electrolyte or semiconductor material, thereby generating a voltage.

The prior glass photoelectric composite heat-insulating building outer wall system technology has the following problems: the outer wall system of current glass photoelectricity compound incubation building is in the installation, need weld the link on vertical mount and the wall body, then set up horizontal mount between vertical mount, install photoelectric glass between two horizontal mounts, the fixing base installation shell at the front end of vertical mount, come photoelectric glass's gap department to shelter from, be connected the data transmission line of photoelectric glass rear end with the adapter on the power terminal box, and the power terminal box is fixed through on screw and the vertical mount, when needing to be changed the power terminal box, just need take off the screw is whole, just the trouble of comparison when installing and demolising the power terminal box like this.

Disclosure of Invention

The invention aims to provide a glass photoelectric composite heat-insulating building outer wall system, which solves the problem that the power supply junction box in the background technology is fixed on a vertical fixing frame through screws, and when the power supply junction box needs to be replaced, all the screws need to be taken down, so that the power supply junction box is troublesome to install and remove.

In order to achieve the purpose, the invention provides the following technical scheme: a glass photoelectric composite heat-insulating building outer wall system comprises photoelectric glass and transverse fixing frames, wherein the upper side and the lower side of the photoelectric glass are respectively provided with a transverse fixing frame, the left end and the right end of each transverse fixing frame are respectively provided with a vertical fixing frame, the two transverse fixing frames are respectively fixed with the two vertical fixing frames through fixing bolts, the rear side of each vertical fixing frame is provided with a mounting plate, the rear side of each mounting plate is provided with a wall body, four corners of each mounting plate are respectively penetrated by a connecting rod, the rear end of each connecting rod is positioned in the wall body, the front ends of the four connecting rods are respectively sleeved with a fixing nut A, the front end of each mounting plate is provided with two connecting frames, the two connecting frames are respectively fixed with the left end and the right end of each vertical fixing frame, the front end of each vertical fixing frame is provided with a mounting rod, the inner part of each mounting rod is provided with a sliding chute, a fixed rod is arranged inside the sliding chute, a fixed seat is arranged at the front side of the vertical fixed frame, a fixed nut B is arranged inside the fixed seat, the fixed rod penetrates through the fixed nut B and the fixed seat, a shell is arranged at the front end of the fixed seat, a fixing device is arranged at the right end of the vertical fixed frame, the fixing device consists of a fixed shell, a bottom plate, a baffle plate, a rotating shaft, a spring and a collecting tank, the fixed shell is arranged at the right end of the bottom plate, the rotating shaft is arranged inside the upper end of the bottom plate, the spring is arranged inside the rotating shaft, the collecting tank is arranged below the rotating shaft, the baffle plate is arranged at the lower end of the rotating shaft and positioned inside the collecting tank, a fixed plate is arranged inside the fixed shell, a power supply junction box is arranged at the right end of the fixed plate, and data transmission lines are arranged at the upper end of the power supply junction box and the rear end of the photoelectric glass, and an adapter is arranged between the two data transmission lines.

Preferably, the photoelectric glass is a solar photoelectric curtain wall, the upper end and the lower end of the photoelectric glass are fixedly bonded with the transverse fixing frame through glass cement, the outer wall of each data transmission line is of a structure made of PVC materials, and the cross section of each data transmission line is circular.

Preferably, shell and fixing base are the structure that the metal material constitutes, the outward appearance of shell and fixing base has all been scribbled paint, the shell is fixed through the mode of joint with the fixing base, the outward appearance of dead lever and connecting rod all is provided with the screw thread.

Preferably, the inside of horizontal mount and vertical mount is hollow structure, two the link all adopts the welded mode to fix with the left and right ends of vertical mount, fixation nut A can rotate at the front end of connecting rod, the connecting rod can carry out the back-and-forth movement at the turning of mounting panel.

Preferably, the cross sectional shapes of the fixed rod and the sliding groove are both T-shaped, the fixed rod can move up and down in the sliding groove, the connecting frames are fixed with the mounting plate in a welding mode, and the cross sectional shapes and the sizes of the transverse fixing frame and the vertical fixing frame are the same.

Preferably, the fixing device is integrally of a structure made of metal materials, the outer portion of the power junction box and the fixing plate are both of structures made of hard plastic materials, the outer portion of the power junction box and the fixing plate are manufactured in an integrally pouring mode, and the cross sections of the power junction box and the fixing plate are both rectangular.

Preferably, the fixed plate can move up and down between the fixed shell and the bottom plate, the baffle plate can rotate through the rotating shaft, the upper end of the spring is located inside the bottom plate, and the lower end of the bottom plate is located inside the baffle plate.

Preferably, the baffle is the same as the collecting tank in shape, the baffle can rotate in the collecting tank, and the bottom plate and the vertical fixing frame are fixed in a welding mode.

Compared with the prior art, the invention provides a glass photoelectric composite heat-insulating building outer wall system, which has the following beneficial effects:

1. this glass photoelectricity composite heat preservation building outer wall system, through the cooperation of set casing and bottom plate, makes the power terminal box can fix between set casing and bottom plate, makes the power terminal box reciprocate.

2. This glass photoelectricity composite heat preservation building outer wall system, through the cooperation of set casing and fixed plate, makes the power terminal box can fix in the set casing through the fixed plate, makes power terminal box and fixing device better fixed.

3. This glass photoelectricity compound incubation building outer wall system through the cooperation of pivot and spring, makes power terminal box and set casing internal fixation back, through blockking of baffle, makes the power terminal box can not reciprocate.

4. This glass photoelectricity composite heat preservation building outer wall system through the cooperation of pivot and collecting vat, makes the baffle can be through the pivot rotatory in advancing the collecting vat, can take off power terminal box rebound like this.

The invention replaces the original mode that the power junction box is connected with the vertical fixing frame through screws by arranging the fixing device on the vertical fixing frame, so that the power junction box is more convenient and quick to install and disassemble, the fixing device consists of a fixing shell, a bottom plate, a baffle plate, a rotating shaft, a spring and a collecting tank, the right end of the bottom plate is provided with the fixing shell, the upper end of the bottom plate is internally provided with the rotating shaft, the spring is arranged inside the rotating shaft, the lower side of the rotating shaft is provided with the collecting tank, the lower end of the rotating shaft is provided with the baffle plate, the baffle plate is positioned inside the collecting tank, the left end of the power junction box is provided with the fixing plate, the fixing plate can move up and down in the fixing shell, the fixing plate can be fixed inside the fixing shell through the baffle plate, the fixing plate can not move up in the fixing shell through the spring in the rotating shaft, and can rotate to the collecting tank through the rotating shaft, can take off power terminal box from fixing device like this, all compare convenience when the installation with pulling down power terminal box like this, in the installation, insert the fixed plate of power terminal box one side in the set casing, at this moment the baffle leads to the spring in the pivot and outwards rotates, fixes power terminal box in the set casing, in getting down baffle bucket pivot rotation income collecting vat, can take out the fixed plate on the power terminal box from the set casing.

Drawings

The accompanying drawings, which 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 principles of the invention without limiting the invention in which:

FIG. 1 is a schematic view of an appearance structure of a glass photoelectric composite heat-insulating building exterior wall system provided by the invention;

FIG. 2 is a schematic view of an enlarged structure for installing photoelectric glass of the glass photoelectric composite heat-insulating building exterior wall system provided by the invention;

FIG. 3 is a schematic view of a side structure of a photoelectric glass installation of a glass photoelectric composite heat-insulating building exterior wall system provided by the invention;

FIG. 4 is a schematic top view of a vertical fixing frame of the glass photoelectric composite heat-insulating building outer wall system according to the present invention;

FIG. 5 is an enlarged schematic view of a power supply junction box of a glass photoelectric composite heat-insulating building exterior wall system provided by the invention;

FIG. 6 is a schematic side view of a power supply junction box of a glass photoelectric composite heat-insulating building exterior wall system according to the present invention;

FIG. 7 is a schematic view of a top view of a power supply junction box of a glass photoelectric composite heat-insulating building exterior wall system according to the present invention;

in the figure: 1. photoelectric glass; 2. a transverse fixing frame; 3. a housing; 4. a connecting frame; 5. mounting a plate; 6. a vertical fixing frame; 7. a wall body; 8. fixing the rod; 9. a chute; 10. a connecting rod; 11. fixing a nut A; 12. mounting a rod; 13. a power supply junction box; 14. an adapter; 15. fixing the bolt; 16. a data transmission line; 17. a fixing device; 18. a fixed seat; 19. fixing a nut B; 20. a stationary case; 21. a base plate; 22. a baffle plate; 23. a fixing plate; 24. a rotating shaft; 25. a spring; 26. and (4) collecting the tank.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

Referring to fig. 1-7, the present invention provides a technical solution: a glass photoelectric composite heat-insulating building outer wall system comprises photoelectric glass 1 and transverse fixing frames 2, wherein the upper side and the lower side of the photoelectric glass 1 are respectively provided with the transverse fixing frames 2, the left end and the right end of each transverse fixing frame 2 are respectively provided with a vertical fixing frame 6, the two transverse fixing frames 2 are respectively fixed with the two vertical fixing frames 6 through fixing bolts 15, the rear side of each vertical fixing frame 6 is provided with a mounting plate 5, the rear side of each mounting plate 5 is provided with a wall body 7, four corners of each mounting plate 5 are respectively penetrated by connecting rods 10, the rear ends of the connecting rods 10 are positioned in the wall body 7, the front ends of the four connecting rods 10 are respectively sleeved with fixing nuts A11, the front ends of the mounting plates 5 are respectively provided with two connecting frames 4, the two connecting frames 4 are respectively fixed with the left end and the right end of each vertical fixing frame 6, the front end of each vertical fixing frame 6 is provided with a mounting rod 12, and the inside of each mounting rod 12 is provided with a chute 9, a fixed rod 8 is arranged inside the chute 9, a fixed seat 18 is arranged on the front side of the vertical fixed frame 6, a fixed nut B19 is arranged inside the fixed seat 18, the fixed rod 8 penetrates through the fixed nut B19 and the fixed seat 18, a shell 3 is arranged at the front end of the fixed seat 18, a fixing device 17 is arranged at the right end of the vertical fixed frame 6, the fixing device 17 consists of a fixed shell 20, a bottom plate 21, a baffle 22, a rotating shaft 24, a spring 25 and a collecting tank 26, the fixed shell 20 is arranged at the right end of the bottom plate 21, the rotating shaft 24 is arranged inside the upper end of the bottom plate 21, the spring 25 is arranged inside the rotating shaft 24, the collecting tank 26 is arranged at the lower side of the rotating shaft 24, the baffle 22 is arranged at the lower end of the rotating shaft 24, the baffle 22 is positioned inside the collecting tank 26, a fixed plate 23 is arranged inside the fixed shell 20, a power supply junction box 13 is arranged at the right end of the fixed plate 23, data 16 are arranged at the upper end of the power supply junction box 13 and the rear end of the photoelectric glass 1, an adapter 14 is provided between the two data transmission lines 16.

Example two

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, the present invention provides a technical solution: a glass photoelectric composite heat-insulating building outer wall system, photoelectric glass 1 is a solar photoelectric curtain wall, the upper and lower both ends of the photoelectric glass 1 are bonded and fixed with a transverse fixing frame 2 through glass cement, the setting can be more convenient when the photoelectric glass 1 is installed, the outer walls of two data transmission lines 16 are both structures made of PVC materials, the setting can make the data transmission lines 16 more durable, the cross-sectional shapes of the two data transmission lines 16 are both circular, the circular can make the data transmission lines 16 more convenient when the photoelectric glass is installed, the shell 3 and the fixing base 18 are both structures made of metal materials, the metal materials can make the components more durable, the outer surfaces of the shell 3 and the fixing base 18 are coated with paint, the outer surface of the component can be effectively prevented from rusting by coating the paint, the shell 3 and the fixing base 18 are fixed in a clamping manner, the clamping mode can be more convenient and faster when the shell 3 is installed, and the outer surfaces of the fixing rod 8 and the connecting rod 10 are both provided with threads, so that the nut can be more conveniently installed.

EXAMPLE III

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, the present invention provides a technical solution: a glass photoelectric composite heat-insulating building outer wall system is characterized in that the insides of a transverse fixing frame 2 and a vertical fixing frame 6 are hollow structures, the hollow structures can enable the device to be more portable, two connecting frames 4 are fixed with the left end and the right end of the vertical fixing frame 6 in a welding mode, components can be fixed in a welding mode, a fixing nut A11 can rotate at the front end of a connecting rod 10, the fixing nut A11 can be more convenient when the mounting plate 5 is fixed, the connecting rod 10 can move back and forth at the corner of the mounting plate 5, the mounting plate 5 and a wall 7 can be more convenient to mount in a fixing mode, the cross sections of a fixing rod 8 and a chute 9 are in a T shape, the fixing rod 8 can move up and down in the chute 9, the fixing rod can be more convenient when the shell 2 is mounted, and the two connecting frames 4 are fixed with the mounting plate 5 in a welding mode, the welded mode can make more convenience between the component, and the cross sectional shape size of horizontal mount 2 and vertical mount 6 is all the same, sets up like this and can make more stability behind the unit mount.

Example four

Referring to fig. 3, 5, 6 and 7, the present invention provides a technical solution: a glass photoelectric composite heat-insulating building outer wall system, the whole fixing device 17 is a structure made of metal material, the metal material can make the component more durable, the outer part of the power junction box 13 and the fixing plate 23 are both made of hard plastic material, the hard plastic material can make the device more portable, the outer part of the power junction box 13 and the fixing plate 23 are manufactured by adopting an integral pouring mode, the integral pouring mode can make the component more convenient when manufacturing, the cross-sectional shapes of the power junction box 13 and the fixing plate 23 are both rectangular, the fixing plate 23 can move up and down between the fixing shell 20 and the bottom plate 21, the setting can be more convenient when installing the power junction box 13, the baffle 22 can rotate through the rotating shaft 24, the upper end of the spring 25 is positioned in the bottom plate 21, the lower end of the bottom plate 21 is positioned in the baffle 22, set up like this and just can make baffle 22 outwards rotate about there is not external force, baffle 22 is the same with collecting vat 26's shape, and baffle 22 can rotate in collecting vat 26's inside, sets up like this and can be more convenient when taking off power terminal box 13, and bottom plate 21 adopts the welded mode to fix with vertical mount 6, and the welded mode can make better fixed between the component.

The working principle and the using process of the invention are as follows: after the installation of the invention, a hole is turned on a wall body 7, then a connecting rod 10 is inserted into the hole on the wall body 7, a mounting plate 5 is sleeved on the connecting rod 10, then a fixing nut A11 is sleeved on the front end of the connecting rod 10 and screwed, the two connecting frames 4 and the front end of the mounting plate 5 are welded and fixed, then a vertical fixing frame 6 is placed between the two connecting frames 4 and welded and fixed, a transverse fixing frame 2 and the two vertical fixing frames 6 are fixed through a fixing bolt 15, a photoelectric glass 1 is erected between the two transverse fixing frames 2 and fixed by using glass cement, a fixing rod 8 is inserted into a sliding groove 9 at the front end of the mounting rod 12 from top to bottom, a fixing seat 18 is sleeved on the fixing rod 8, then a nut B19 is sleeved at the front end of the fixing rod 8, a shell 3 and the fixing seat 18 are clamped and fixed, a junction box is inserted into a position between a fixing shell 20 and a bottom plate 21 from top to bottom, at this time, the baffle plate 22 rotates outwards through the spring 25 in the rotating shaft 24, the power supply junction box 13 is fixed in the fixed shell 20, then the photoelectric glass 1 and the data transmission line 16 on the power supply junction box 13 are connected with the adapter 14, light energy can be converted into electric energy through the battery, the electric energy is displayed on the photoelectric glass 1, when the power supply junction box 13 is replaced, the baffle plate 22 rotates into the collecting tank 26 through the rotating shaft 24, and the fixed plate 23 on the power supply junction box 13 can be taken out of the fixed shell 20.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

12页详细技术资料下载
上一篇:一种医用注射器针头装配设备
下一篇:一种双层幕墙的连接结构及安装方法

网友询问留言

已有0条留言

还没有人留言评论。精彩留言会获得点赞!

精彩留言,会给你点赞!

技术分类