CN217652598U - Double-layer glass door connecting structure - Google Patents

Abstract

The utility model belongs to the technical field of the glass door, a double glazing door connection structure is disclosed, double glazing door connection structure includes first mount pad, second mount pad and locking piece, first mount pad sets up on first glass, the tip that first glass was kept away from to first mount pad is provided with spacing post, the second mount pad sets up on second glass, the tip that second glass was kept away from to the second mount pad rotates and is connected with the rotation cover that the movable sleeve established first mount pad, the week side of rotating the cover is provided with waist type groove, the open end that the second mount pad was kept away from to the rotation cover is provided with the opening that communicates with waist type groove, the opening is used for supplying spacing post to get into waist type inslot, the locking piece is used for injecing the rotation of rotating the cover. Above-mentioned double glazing door connection structure can make the split of double glazing door more convenient.

Description

Double glazing door connection structure

Technical Field

The utility model relates to a glass door technical field especially relates to a double glazing door connection structure.

Background

In the process of pharmacy, strict requirements are imposed on the drug production environment. The operation with high pollution risk is preferably finished in an isolator, and the isolator can ensure that the quality of air in a corresponding area reaches a set standard and effectively reduce the pollution of microorganisms, various particles and pyrogens.

Can dispose double-glazing door on the aseptic isolator of closed and come the return air passageway as equipment, hinged joint is passed through on the organism to one side of double-glazing door, and two glass of double-glazing door can follow the hinge rotation respectively, is provided with the spliced pole between two glass, wears to be equipped with sealing bolt on two glass respectively, and threaded connection is on the both ends of spliced pole respectively to the tip of two sealing bolt to this rotation of realizing between two glass is injectd.

When the area between the double-layer glass door needs to be cleaned, the connecting column needs to be clamped by a tool, the sealing bolt is screwed, and the sealing bolt is separated from the connecting column and then taken down from the two pieces of glass, so that the process is complicated and inconvenient.

Therefore, it is desirable to design a double-glazed door connecting structure to improve the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a double glazing door connection structure can make the split of double glazing door more convenient.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a double glazing door connection structure, double glazing door includes first glass and second glass, first glass with one side of second glass is provided with hinge structure, double glazing door connection structure includes:

the first mounting seat is arranged on the first glass, and a limiting column is arranged at the end part, far away from the first glass, of the first mounting seat;

the second mount pad sets up on the second glass, the second mount pad is kept away from second glass's tip rotates to be connected with the movable sleeve and establishes the rotation cover of first mount pad, the week side of rotating the cover is provided with waist type groove, it keeps away from to rotate the cover the open end of second mount pad be provided with the opening of waist type groove intercommunication, the opening is used for supplying spacing post gets into waist type inslot.

Preferably, the locking device further comprises a locking piece used for limiting the rotation of the rotating sleeve, the locking piece comprises a plunger, a mounting hole is formed in the second mounting seat, the plunger is detachably arranged in the mounting hole, a limiting groove is formed in the end face, facing the mounting hole, of the rotating sleeve, and the end portion of the plunger is movably inserted into the limiting groove.

Preferably, the circumferential side of the plunger is screwed to the inner wall of the mounting hole.

Preferably, the magnetic sleeve further comprises a locking piece used for limiting the rotation of the rotating sleeve, the locking piece comprises a first magnetic attraction block and a second magnetic attraction block, the first magnetic attraction block is embedded in the rotating sleeve, the second magnetic attraction block is embedded in the second mounting seat, and the first magnetic attraction block and the second magnetic attraction block are movably attracted.

Preferably, one end of the second mounting seat is in threaded connection with a first bolt, an annular protrusion is arranged on the inner wall of the rotating sleeve, an annular groove matched with the annular protrusion is arranged on the edge, close to the rod portion, of the head of the first bolt, and the annular groove is movably abutted to the annular protrusion.

Preferably, one end of the first mounting seat, which is far away from the limiting column, is in threaded connection with a second bolt, the second bolt penetrates through the first glass, one end of the second mounting seat, which is far away from the rotating sleeve, is in threaded connection with a third bolt, and the third bolt penetrates through the second glass.

Preferably, the second bolt and the third bolt are sleeved with gaskets, and the surfaces of the first glass and the second glass are in contact with the gaskets.

Preferably, a sealing ring is embedded in one end, far away from the limiting column, of the first mounting seat.

Preferably, the double-glazed door connecting structure is provided in plurality.

Preferably, the hinge structure includes:

one end of the hinge base is rotatably connected to the machine body;

the fixing seat is arranged on the hinge base, and the first glass is arranged between the fixing seat and the hinge base; and

the rotating seat is connected with the fixed seat in a rotating mode through a rotating shaft, and the second glass is arranged on the rotating seat.

The utility model has the advantages that: the utility model provides a double glazing door connection structure opens the dirt of second glass between to double glazing door when needs clean, and operating personnel singlehanded rotation cover, the spacing post of rotation that accompanies the rotation cover removes along waist type groove, removes to the corresponding back in position with the opening when spacing post removes, promotes second glass and rotates along hinge structure, deviates from in the spacing post self-rotation cover, can realize opening of second glass. On the one hand, because first mount pad is connected on first glass, and the second mount pad is connected on second glass, rotates the cover and rotates with the second mount pad again and link to each other, all connection structure that the in-process of opening second glass compare in the dismantlement of sealing bolt all need not to demolish from double glazing door, and the wholeness is higher, can avoid the condition of connection structure loss to take place. On the other hand, can get into or deviate from the waist type inslot through the spacing post of opening, rotate the rotating sleeve after the spacing post gets into waist type groove, make spacing post and opening position keep the dislocation to can realize spacing post along its axial direction spacing, cooperate the locking piece simultaneously to the rotating sleeve pivoted injectly, with this convenient and fast's completion first glass and second glass be connected or the separation.

Drawings

Fig. 1 is a schematic view of an overall structure provided by a first embodiment of the present invention;

fig. 2 is a schematic structural diagram of a hinge structure according to an embodiment of the present invention;

FIG. 3 isbase:Sub>A schematic cross-sectional view taken along line A-A of FIG. 2;

FIG. 4 is a schematic structural view of a double-glazed door connecting structure according to an embodiment;

FIG. 5 is a schematic cross-sectional view taken along line B-B of FIG. 4;

FIG. 6 is a cross-sectional view taken along line C-C of FIG. 4, with the first mounting block, the second bolt, and the third bolt removed;

FIG. 7 is an enlarged schematic view of the structure of FIG. 6 at D;

fig. 8 is a schematic sectional view of a double-glazed door connection structure according to a second embodiment of the present invention.

In the figure:

10. a first glass; 11. a second glass; 12. a door lock;

20. a hinge structure; 21. a hinge base; 22. a fixed seat; 23. a rotating seat; 24. a fourth bolt; 25. a fifth bolt;

30. a first mounting seat; 31. a limiting column; 32. a second bolt;

40. a second mounting seat; 401. mounting holes; 41. rotating the sleeve; 411. a waist-shaped groove; 412. opening the gap; 413. a limiting groove; 414. an annular projection; 42. a third bolt;

50. a locking member; 51. a loop bar; 52. a spacing pin; 521. an arc-shaped surface; 53. an elastic member; 501. a first magnetic attraction block; 502. a second magnetic attraction block;

60. a first bolt; 61. an annular groove;

70. a gasket; 71. and (5) sealing rings.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not to be construed as limiting the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to be limiting.

Example one

As shown in fig. 1, the present embodiment provides a double-glazed door connection structure, the double-glazed door includes a first glass 10 and a second glass 11, a hinge structure 20 is disposed on the same side of the first glass 10 and the second glass 11, two hinge structures 20 are disposed, the double-glazed door is rotatably mounted on a machine body through the hinge structure 20, so that the first glass 10 and the second glass 11 can rotate relative to the machine body, the second glass 11 can also rotate relative to the first glass 10, a door lock 12 connected with the machine body is disposed on the other side of the first glass 10, and the opening and closing of the double-glazed door is realized through the door lock 12.

A detailed structure of the hinge structure 20 will be described with reference to fig. 2 and 3, and as shown in fig. 2 and 3, the hinge structure 20 includes a hinge base 21, a fixed base 22, a rotating base 23, a fourth bolt 24, and a fifth bolt 25. The fifth bolt 25 is screwed on the fixing seat 22 and the hinge base 21, and the fifth bolt 25 penetrates through the first glass 10. During installation, the fifth bolt 25 is firstly connected to the fixing seat 22 through threads, the rod part of the fifth bolt 25 penetrates out of one side of the fixing seat 22, the head part of the fifth bolt 25 is embedded in the other side of the fixing seat 22, the rod part of the fifth bolt 25 penetrates into the first glass 10, and the end part of the first glass 10 is connected to the hinge base 21 through threads, so that the hinge base 21 and the fixing seat 22 are respectively abutted against two sides of the first glass 10, and the hinge structure is firmly connected with the first glass 10.

Similarly, a fourth bolt 24 is screwed on the rotating base 23, and the fourth bolt 24 is inserted into the second glass 11. When the hinge structure is installed, the fourth bolt 24 penetrates into the second glass 11 and the end part of the fourth bolt is screwed to the rotating seat 23, so that the step surface formed by the rod part and the head part of the fourth bolt 24 and the rotating seat 23 are respectively kept tightly abutted against two sides of the second glass 11, and the hinge structure is firmly connected with the second glass 11.

Specifically, the rotating seat 23 is arranged in a concave manner, and the fixing seat 22 is arranged in a convex manner. During the installation, the bellying of fixing base 22 stretches into in the depressed part that rotates seat 23, is connected with the rotation that rotates seat 23 through wearing to establish first pivot between bellying and depressed part in order to realize fixing base 22. It can be understood that when the first glass 10 and the second glass 11 are parallel to each other, an interlayer gap exists between the two glasses, so that the second glass 11 rotates along the first rotating shaft, and the side edges of the first glass 10 and the second glass 11 are attached to or keep an interval, so that the opening and closing angle between the first glass 10 and the second glass 11 can be an acute angle, a right angle or an obtuse angle, the opening and closing angle can be adjusted freely, and dirt in the interlayer gap can be cleaned conveniently.

Further, the tip of hinge base 21 is connected through second pivot and organism rotation to after unblock lock 12, adjust first glass 10 and second glass 11 and rotate along the second pivot and can open double glazing door, because the rotation between first glass 10 and the second glass 11 is connected and is set up on hinge structure 20, can make first glass 10 and second glass 11 open bigger angle, convenient cleanness.

In the prior art, a connection structure for limiting the rotation of the second glass 11 along the first rotating shaft is arranged between the first glass 10 and the second glass 11, the connection structure is that a connection column is arranged between the first glass 10 and the second glass 11, sealing bolts are respectively arranged on the first glass 10 and the second glass 11 in a penetrating manner, and the end parts of the two sealing bolts are respectively in threaded connection with the two ends of the connection column. When the second glass 11 needs to be adjusted to rotate, the connecting column is clamped by a tool, the sealing bolt is screwed, and the sealing bolt is separated from the connecting column and then taken down from the two pieces of glass, so that the second glass 11 can be rotated. Thereby having the problem of complicated and inconvenient connection mode.

In order to solve the above problem, as shown in fig. 4, 5 and 6, the double-glazed door connection structure of the present embodiment includes a first mounting seat 30, a second mounting seat 40 and a locking member 50, the first mounting seat 30 and the second mounting seat 40 are located between the first glass 10 and the second glass 11, a limiting post 31 is disposed at an end of the first mounting seat 30 far away from the first glass 10, a rotating sleeve 41 is rotatably connected to an end of the second mounting seat 40 far away from the second glass 11, the first mounting seat 30 is movably inserted into the rotating sleeve 41, and the connection between the first glass 10 and the second glass 11 is realized under the cooperation of the limiting post 31 and the locking member 50.

Specifically, as shown in fig. 6, a waist-shaped groove 411 is formed along the circumferential direction of the rotating sleeve 41, a notch 412 communicating with the waist-shaped groove 411 is formed in an opening end of the rotating sleeve 41 away from the second mounting seat 40, the limiting column 31 synchronously enters the waist-shaped groove 411 from the notch 412 along with the insertion of the first mounting seat 30, the limiting column 31 penetrates into the waist-shaped groove 411 and is staggered with the notch 412 by rotating the rotating sleeve 41, so that the movement of the first mounting seat 30 along the axial direction thereof is limited, and the first glass 10 and the second glass 11 are connected under the locking of the locking member 50. Therefore, the locking piece 50 is unlocked synchronously only by rotating the rotating sleeve 41, the second glass 11 is pushed to rotate along the second rotating shaft, separation can be achieved, and compared with a mode that the second glass 11 can be separated to rotate only by disassembling the sealing bolt, the separation is more convenient and quicker, and the separation can be completed by one hand without using tools.

The specific structure of the locking member 50 is described with reference to fig. 6 and 7, as shown in fig. 6 and 7, the locking member 50 includes a plunger, a mounting hole 401 is formed through the second mounting seat 40, the axial direction of the mounting hole 401 is parallel to the axial direction of the second mounting seat 40, the plunger is detachably mounted in the mounting hole 401, a limiting groove 413 is formed on an end surface of the rotating sleeve 41 facing the mounting hole 401, the limiting groove 413 and the notch 412 are arranged in a staggered manner in the axial direction of the rotating sleeve 41, and an end portion of the plunger is movably inserted into the limiting groove 413. It can be understood that the plunger is used for limiting the rotation of the rotating sleeve 41, and when the rotating sleeve 41 rotates until the position of the limiting pin 52 corresponding to the position of the limiting groove 413 is kept along with the entering of the limiting column 31 into the notch 412, the end of the plunger is inserted into the limiting groove 413, so that the rotation limitation of the rotating sleeve 41 is realized.

Further, a specific structure of the plunger is described with reference to fig. 7, and as shown in fig. 7, the plunger includes a loop bar 51, a stopper pin 52, and an elastic member 53. The one end of loop bar 51 is the opening setting, and the opening orientation of loop bar 51 is in rotating cover 41, and elastic component 53 is the spring in this embodiment, and elastic component 53 can also be extension spring, pressure spring etc. in other embodiments, and spring and spacer pin 52 all are located loop bar 51, and the one end of spring is fixed with the diapire of loop bar 51, and the other end of spring is fixed with the one end of spacer pin 52, and the activity of spacer pin 52 is pegged graft in spacing groove 413. The peripheral side of the loop bar 51 is in threaded connection with the inner wall of the mounting hole 401, and the depth of the loop bar 51 in the mounting hole 401 can be adjusted by rotating the loop bar 51, so that the limiting moment of the limiting pin 52 can be adjusted.

Furthermore, one end of the limiting pin 52 facing the rotating sleeve 41 is provided with an arc surface 521, when the interlayer gap needs to be cleaned, the rotating sleeve 41 is rotated, and the rotating force is transmitted to the arc surface 521, so that the limiting pin 52 is pushed by the end surfaces of the rotating sleeve 41 and the second mounting seat 40 to gradually come out of the limiting groove 413 and extend into the loop bar 51 in cooperation with a spring, and therefore the unlocking of the rotating sleeve 41 is realized, the structure is simple and compact, and the integrity is high.

As shown in fig. 5 and 6, two ends of the rotating sleeve 41 are open, an annular protrusion 414 is disposed on the inner wall of the rotating sleeve 41 facing the second mounting seat 40, a first bolt 60 is connected to one end of the second mounting seat 40 through a thread, an annular groove 61 matched with the annular protrusion 414 is disposed on the edge of the head of the first bolt 60 close to the rod portion of the first bolt, during installation, the first bolt 60 extends into the rotating sleeve 41, the surface of the annular protrusion 414 movably abuts against the annular groove 61, the rod portion of the first bolt 60 extends from the rotating sleeve 41 and is connected to the second mounting seat 40 through a thread, so that the rotating sleeve 41 is rotatably connected to the second mounting seat 40.

One side of the first mounting seat 30 is disposed on the first glass 10, specifically, one end of the first mounting seat 30 away from the limiting column 31 is connected with a second bolt 32 through a thread, and the second bolt 32 penetrates through the first glass 10. During installation, the second bolt 32 penetrates into the first glass 10 and the end part of the second bolt is connected to the first installation seat 30 in a threaded manner, so that the step surface formed by the rod part and the head part of the second bolt 32 and the first installation seat 30 are respectively kept tightly abutted against two sides of the first glass 10, and the double-layer glass door connecting structure is firmly connected with the first glass 10.

One side of the second mounting seat 40 is arranged on the second glass 11, specifically, one end of the second mounting seat 40, which is far away from the limiting column 31, is connected with a third bolt 42 through a thread, the third bolt 42 penetrates through the second glass 11, during mounting, the third bolt 42 penetrates into the second glass 11 and enables the end part of the second glass 11 to be connected onto the second mounting seat 40 through a thread, so that the step surface formed by the rod part and the head part of the third bolt 42 and the two sides of the second glass 11 and the second mounting seat 40 are respectively kept to be abutted tightly, and the double-layer glass door connecting structure is firmly connected with the second glass 11.

In summary, in the process of adjusting the connection or separation of the first glass 10 and the second glass 11, the first mounting seat 30, the second mounting seat 40 or the rotating sleeve 41 do not need to be disassembled, so that the situation that parts are lost is avoided, and the integrity is higher.

As shown in fig. 5 and 6, the second bolt 32, the third bolt 42, the fourth bolt 24, and the fifth bolt 25 of the present embodiment are provided with a gasket 70 on the circumferential side, and the gasket 70 is made of a rubber material, and has a good sealing property. For example, the cross section of the washer 70 may be rectangular, L-shaped, T-shaped, or i-shaped, and the like, so long as the bolt can be prevented from directly contacting with the first glass 10 or the second glass 11, and the wear between the two can be reduced, so that the connection firmness of the bolt can be improved.

As shown in fig. 5 and 6, the first mounting seat 30 and the hinge base 21 of the present embodiment are embedded with a sealing ring 71, the sealing ring 71 is made of rubber, and the mounting position of the sealing ring 71 corresponds to that of the second bolt 32 or the fifth bolt 25, so that the hinge base 21 and the fixing seat 22 are in closer contact with both sides of the first glass 10, and the second bolt 32 and both sides of the first mounting seat 30 and the first glass 10, thereby ensuring the sealing performance of the double-glazed door.

As shown in fig. 1, the number of the double-glazed door connecting structures is multiple, and two double-glazed doors are provided in this embodiment, so that the double-glazed door and the machine body are stably connected.

Example two

As shown in fig. 8, the double-glazed door connection structure provided in this embodiment is substantially the same as the double-glazed door connection structure of the first embodiment, and the main difference therebetween lies in that: the locking member 50 includes a first magnetic attraction block 501 and a second magnetic attraction block 502, the first magnetic attraction block 501 is embedded in the rotating sleeve 41, the second magnetic attraction block 502 is embedded in the second mounting base 40, and the first magnetic attraction block 501 and the second magnetic attraction block 502 are movably attracted. It can be understood that the first magnetic attraction block 501 and the second magnetic attraction block 502 are used for limiting the rotation of the rotating sleeve 41, and when the rotating sleeve 41 rotates to the position of the first magnetic attraction block 501 and the second magnetic attraction block 502 and keeps corresponding to each other, the first magnetic attraction block 501 and the second magnetic attraction block 502 attract each other along with the limiting post 31 entering the notch 412, so that the rotation limitation of the rotating sleeve 41 is realized, and the structure is simple and is not easy to damage.

It is to be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements, and substitutions will now occur to those skilled in the art without departing from the scope of the invention. This need not be, nor should it be exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. A double glazing door connection structure, the double glazing door comprises a first glass (10) and a second glass (11), one side of the first glass (10) and the second glass (11) is provided with a hinge structure (20), characterized in that the double glazing door connection structure comprises:

the first mounting seat (30) is arranged on the first glass (10), and a limiting column (31) is arranged at the end part, far away from the first glass (10), of the first mounting seat (30);

second mount pad (40), set up on second glass (11), keep away from second mount pad (40) the end rotation of second glass (11) is connected with the movable sleeve and establishes rotation cover (41) of first mount pad (30), the week side of rotating cover (41) is provided with waist type groove (411), it keeps away from to rotate cover (41) the open end of second mount pad (40) be provided with opening (412) of waist type groove (411) intercommunication, opening (412) are used for supplying spacing post (31) gets into in waist type groove (411).

2. The double-glazed door connecting structure according to claim 1, further comprising a locking member (50) for limiting rotation of the rotating sleeve (41), wherein the locking member (50) comprises a plunger, the second mounting seat (40) is provided with a mounting hole (401), the plunger is detachably arranged in the mounting hole (401), a limiting groove (413) is formed in an end face of the rotating sleeve (41) facing the mounting hole (401), and an end of the plunger is movably inserted into the limiting groove (413).

3. The double-glazed door connecting structure according to claim 2, wherein a peripheral side of the plunger is screw-coupled to an inner wall of the mounting hole (401).

4. The double-glazed door connecting structure according to claim 1, further comprising a locking member (50) for limiting the rotation of the rotating sleeve (41), wherein the locking member (50) comprises a first magnetic attraction block (501) and a second magnetic attraction block (502), the first magnetic attraction block (501) is embedded in the rotating sleeve (41), the second magnetic attraction block (502) is embedded in the second mounting seat (40), and the first magnetic attraction block (501) and the second magnetic attraction block (502) are movably attracted to each other.

5. The double-glazed door connecting structure according to claim 1, wherein one end of the second mounting seat (40) is connected with a first bolt (60) in a threaded manner, an annular protrusion (414) is arranged on the inner wall of the rotating sleeve (41), an annular groove (61) matched with the annular protrusion (414) is arranged on the edge of the head of the first bolt (60) close to the rod part of the first bolt, and the annular groove (61) is movably abutted against the annular protrusion (414).

6. The double-glazed door connecting structure according to claim 5, wherein one end of the first mounting seat (30) away from the limiting column (31) is connected with a second bolt (32) in a threaded manner, the second bolt (32) penetrates through the first glass (10), one end of the second mounting seat (40) away from the rotating sleeve (41) is connected with a third bolt (42) in a threaded manner, and the third bolt (42) penetrates through the second glass (11).

7. The double-glazed door connecting structure according to claim 6, wherein a gasket (70) is sleeved on the second bolt (32) and the third bolt (42), and surfaces of the first glass (10) and the second glass (11) are in contact with the gasket (70).

8. The double-glazed door connecting structure according to claim 1, wherein a sealing ring (71) is embedded in one end of the first mounting seat (30) far away from the limiting column (31).

9. The double-glazed door connecting structure according to any one of claims 1 to 8, wherein a plurality of the double-glazed door connecting structures are provided.

10. Double-glazed door connection according to claim 1, characterized in that the hinge structure (20) comprises:

the hinge base (21), one end of the said hinge base (21) is connected to organism rotatably;

the fixing seat (22), the fixing seat (22) is arranged on the hinge base (21), and the first glass (10) is arranged between the fixing seat (22) and the hinge base (21); and

rotate seat (23), rotate seat (23) with fixing base (22) rotate through the pivot and are connected, second glass (11) set up in rotate on seat (23).

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