CN220469190U - Connection mechanism - Google Patents
Connection mechanism Download PDFInfo
- Publication number
- CN220469190U CN220469190U CN202321352363.2U CN202321352363U CN220469190U CN 220469190 U CN220469190 U CN 220469190U CN 202321352363 U CN202321352363 U CN 202321352363U CN 220469190 U CN220469190 U CN 220469190U
- Authority
- CN
- China
- Prior art keywords
- assembly
- movable hole
- clamping
- glass curtain
- locking
- 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.)
- Active
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 27
- 239000011521 glass Substances 0.000 claims abstract description 68
- 238000003032 molecular docking Methods 0.000 claims description 32
- 238000009434 installation Methods 0.000 claims description 25
- 210000001503 joint Anatomy 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 10
- 241000239290 Araneae Species 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Load-Bearing And Curtain Walls (AREA)
Abstract
The utility model relates to the technical field of glass curtain walls, in particular to a connection mechanism, which comprises a connection assembly, a mounting assembly, a connecting assembly and a locking assembly, wherein the mounting assembly is provided with a movable hole; the first end of the connecting component movably penetrates through the movable hole, the second end of the connecting component is connected with the connecting component, and the movable hole is used for enabling the connecting component to reciprocate in the longitudinal direction of the section of the connecting component; the locking component is arranged on the connecting component and used for selectively fixedly connecting or loosening the connecting component with the movable hole, and the connecting mechanism can smoothly connect the connecting component with the mounting component under the condition of mounting errors, so that the glass curtain wall is smoothly mounted on the support frame, and the condition that the mounting effect is influenced by the errors is avoided; meanwhile, the stress generated by bearing wind pressure of the connecting component can be buffered, so that the situation that the glass curtain wall breaks is avoided, the glass curtain wall is protected, and the glass curtain wall is very worthy of popularization and application.
Description
Technical Field
The utility model relates to the technical field of glass curtain walls, in particular to a connection mechanism.
Background
Along with the development of the building industry, the application of the glass curtain wall is more and more extensive, and the requirements on the glass curtain wall are higher. The glass curtain wall is installed on the support frame by the connection mechanism, and the support frame is arranged on the wall body of a building so as to achieve the effect of installing the glass curtain wall on the building.
Chinese patent application No.: 202120084701.3 discloses a connector for mounting on a glass curtain wall, comprising: one end of the outer screw sleeve is fixed on a support frame on the glass curtain wall; the sliding component is arranged at one end of the outer screw sleeve, which is far away from the supporting frame, one end of the sliding component, which is far away from the outer screw sleeve, extends into the mounting hole on the glass, and the glass can move on the sliding component along the axial direction of the mounting hole. When the connecting piece is used for connecting the glass curtain wall and the building wall, the outer threaded sleeve is welded on the supporting frame, then the sliding component is installed on the installation hole of the glass curtain wall, and then the sliding component is installed on the outer threaded sleeve, so that the glass curtain wall is installed on the wall of the building.
Referring to fig. 1, in this process, a plurality of connectors are required to be used to mount the glass curtain wall on the support frame, that is, a plurality of mounting holes are required to be drilled at the top end of the glass curtain wall, each mounting hole corresponds to one connector, but in the mounting process, errors are unavoidable, for example, deviation exists in the position of the opening of the glass or deviation exists in the welding position of the outer screw sleeve, and these can cause that the sliding component cannot correspond to the outer screw sleeve, so that the mounting effect is affected; meanwhile, as the area of the glass curtain wall is large, when the external wind force is overlarge, deflection deformation is easy to generate, so that the hole edge of the mounting hole of the glass curtain wall is subjected to larger stress, especially the middle position of the glass curtain wall is subjected to the largest stress, and the risk of bursting glass exists, so that a solution is necessary to be studied.
Disclosure of Invention
Based on the above, the utility model provides a connection mechanism to solve the problems that the existing glass curtain wall has deviation in installation capacity and stress concentration, and glass burst is easy to cause.
In order to solve the technical problems, the utility model adopts the following technical scheme: the connection mechanism is used for connecting the glass curtain wall with the support frame and comprises a connection assembly, a mounting assembly, a connecting assembly and a locking assembly, wherein the connection assembly is used for being connected with the glass curtain wall; the installation component is used for being connected with the support frame and is provided with a movable hole; the connecting component is provided with a first end and a second end which are oppositely arranged, the first end of the connecting component movably penetrates through the movable hole, the second end of the connecting component is connected with the connecting component, and the movable hole is used for enabling the connecting component to reciprocate in the longitudinal direction of the section of the connecting component; the locking assembly is arranged on the connecting assembly and is used for selectively fixedly connecting or loosening the connecting assembly with the movable hole.
Preferably, the locking assembly comprises a sliding nut in threaded connection with the connecting assembly, the mounting assembly is provided with a clamping groove communicated with the movable hole, the sliding nut is slidably arranged in the clamping groove, and the clamping groove is used for enabling the sliding nut to slide and limiting the sliding nut to rotate.
Preferably, the locking assembly further comprises a locking nut in threaded connection with the connecting assembly, and the locking nut is located between the docking assembly and the mounting assembly and is used for clamping the mounting assembly in cooperation with the sliding nut.
Preferably, the connecting assembly comprises a connecting rod connected with the connecting assembly, the movable hole is used for enabling the connecting rod to reciprocate in the longitudinal direction of the section of the connecting rod, and the sliding nut and the locking nut are in threaded connection with the connecting rod.
Preferably, the installation component comprises an inner screw sleeve and an outer screw sleeve which is in threaded sleeve connection with the inner screw sleeve, and the movable hole is formed in one end, close to the connection component, of the inner screw sleeve; the clamping groove is arranged in the middle of the inner screw sleeve and extends along the radial direction of the inner screw sleeve.
Preferably, the longitudinal direction of the movable hole is parallel to the extending direction of the clamping groove.
Preferably, the connection assembly comprises a bearing part arranged at the second end of the connection assembly, a first clamping part arranged on the bearing part, and a second clamping part in threaded sleeve connection with the bearing part, wherein the first clamping part and the second clamping part are correspondingly arranged.
Preferably, the docking assembly further comprises a sleeve movably sleeved on the bearing piece, and two ends of the sleeve are respectively abutted to the first clamping piece and the second clamping piece.
Preferably, the first clamping piece comprises a locking block, a clamping block and a fixing block, wherein the clamping block and the fixing block are movably sleeved on the bearing piece, the clamping block is in butt joint with the sleeve, and the fixing block and the clamping block are detachably connected with the bearing piece through the locking block.
Preferably, the second end of the connecting component is provided with a sphere, and the connecting component is provided with a limit groove; the ball body is movably arranged in the limiting groove and cannot be taken out of the limiting groove.
The beneficial effects of the utility model are as follows: the connection mechanism can smoothly connect the connection assembly with the installation assembly under the condition of installation errors, so that the glass curtain wall is smoothly installed on the support frame, and the condition that the installation effect is affected by the errors is avoided; meanwhile, the stress generated by bearing wind pressure of the connecting component can be buffered, so that the situation that the glass curtain wall breaks due to stress concentration is avoided, the glass curtain wall is protected, and the glass curtain wall is very worthy of popularization.
Drawings
FIG. 1 is a schematic plan view of a glass curtain wall;
FIG. 2 is a schematic illustration of the connection of a docking mechanism to a glass curtain wall and a support frame according to an embodiment of the present utility model;
FIG. 3 is an exploded view of the docking mechanism of FIG. 2;
FIG. 4 is a further exploded schematic view of the docking mechanism of FIG. 3;
FIG. 5 is a schematic view of the structure of the inner thread insert of the docking mechanism of FIG. 3;
FIG. 6 is a schematic structural view of a docking assembly of the docking mechanism of FIG. 3
Fig. 7 is a cross-sectional view of the docking mechanism of fig. 3.
Reference numerals illustrate: 01. glass curtain wall; 02. a support frame; 03. a mounting hole; 10. a docking assembly; 11. a carrier; 111. a limit groove; 12. a first clamping member; 121. a clamping block; 122. a fixed block; 13. a second clamping member; 14. a locking block; 15. a sleeve; 20. a mounting assembly; 21. a movable hole; 23. an inner screw sleeve; 231. a clamping groove; 24. an outer screw sleeve; 30. a connection assembly; 31. a connecting rod; 32. a sphere; 40. a locking assembly; 41. locking the nut; 42. and (5) sliding the nut.
Detailed Description
In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Preferred embodiments of the present utility model are shown in the drawings. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to 3, the present utility model relates to a docking mechanism for connecting a glass curtain wall 01 with a supporting frame 02, comprising a docking assembly 10, a mounting assembly 20, a connecting assembly 30 and a locking assembly 40: the docking assembly 10 is used for being connected with the glass curtain wall 01; the installation component 20 is used for being connected with the support frame 02, and the installation component 20 is provided with a movable hole 21; the connecting component 30 is provided with a first end and a second end which are oppositely arranged, the first end of the connecting component 30 movably penetrates through the movable hole 21, and the second end of the connecting component 30 is connected with the docking component 10 so as to connect the glass curtain wall 01 with the supporting frame 02; the movable hole 21 is used for the connecting component 30 to reciprocate in the longitudinal direction of the section of the connecting component; the locking assembly 40 is provided to the connection assembly 30 for selectively fixedly connecting or releasing the connection assembly 30 to or from the movable hole 21.
Specifically, in implementation, the installation component 20 is installed on the support frame 02, and make the length direction of the movable hole 21 perpendicular with the gravity direction, when the deviation appears in the installation position of the installation component 20 or the trompil position of glass and the position of predetermineeing, through adjusting the position of coupling assembling 30 in the movable hole 21, then fix coupling assembling 30 in the movable hole 21 through locking subassembly 40, the top position of rethread spider assembly 10 and glass curtain wall 01 is connected, play the bearing effect, even if there is the condition of above-mentioned error, also can be with spider assembly 10 and installation component 20 smoothly, thereby install glass curtain wall 01 smoothly on support frame 02, and then avoided taking place because of the condition of error influence installation effect. When the middle position of the curtain wall is required to be connected with the support frame 02, the installation component 20 is installed on the support frame 02, the length direction of the movable hole 21 is parallel to the gravity direction, the locking component 40 is not used for fixing the connection component 30 in the movable hole 21, then the connection component 10 is installed in the middle of the glass curtain wall 01, the arrangement is such that when the glass curtain wall 01 receives large wind pressure and is subjected to deflection deformation, the connection component 10 can drive the connection component 30 to move in the movable hole 21, so that the deflection deformation part of the glass curtain wall 01 is caused to move, the stress generated by the connection component 10 is buffered, and the situation that the glass curtain wall 01 breaks due to stress concentration is avoided, so that the glass curtain wall 01 is protected, and the glass curtain wall 01 is very worthy of popularization.
Referring to fig. 2 to 5, in the present embodiment, the locking assembly 40 includes a sliding nut 42 screwed with the connecting assembly 30, the mounting assembly 20 is provided with a clamping groove 231 communicating with the movable hole 21, the sliding nut 42 is slidably disposed in the clamping groove 231, and the clamping groove 231 is used for sliding the sliding nut 42 and limiting the sliding nut 42 to rotate; specifically, after the connecting mechanism is installed and connected to the middle position of the glass curtain wall 01, when the use environment generates strong wind, and the glass curtain wall 01 receives large wind pressure, the sliding nut 42 moves in the clamping groove 231, so that the connecting assembly 30 moves in the movable hole 21, and further the curtain wall is driven to move to generate deflection deformation, so that the stress generated by the connecting assembly 10 is buffered, the situation that the glass curtain wall 01 breaks due to stress concentration is avoided, and the glass curtain wall 01 is protected.
Referring to fig. 2 to 4, in the present embodiment, the locking assembly 40 further includes a locking nut 41 screwed with the connecting assembly 30, and the locking nut 41 is located between the docking assembly 10 and the mounting assembly 20, and is used to cooperate with the sliding nut 42 to clamp the mounting assembly 20; specifically, when the connection installation is connected to the top end position of the glass curtain wall 01, and when the installation position of the installation component 20 or the open hole position of glass deviates from the preset position, the installation component 20 is installed on the connecting frame, then the connection component 30 is moved to drive the sliding nut 42 to move in the clamping groove 231, so that the connection component 10 can be aligned with the installation hole 03 of the glass curtain wall 01, then the locking nut 41 is rotated, so that the locking nut 41 is abutted to the installation component 20 until the locking nut 41 cannot rotate, so that the locking nut 41 and the sliding nut 42 can clamp the installation component 20, thereby fixing the connection component 30 in the movable hole 21, and then connecting the connection component 10 with the top end position of the glass curtain wall 01 to play a bearing role, so that even if the error exists, the connection component 10 and the installation component 20 can be smoothly connected, and the glass curtain wall 01 can be smoothly installed on the support frame 02, and the situation that the installation effect is affected by the error is avoided.
Referring to fig. 2 to 4, in the present embodiment, the connection assembly 30 includes a connecting rod 31 connected to the docking assembly 10, the movable hole 21 is used for the connecting rod 31 to reciprocate in the longitudinal direction of the cross section thereof, specifically, a first end of the connecting rod 31 movably penetrates through the movable hole 21, and a second end of the connecting rod 31 is connected to the docking assembly 10; both the sliding nut 42 and the locking nut are in threaded connection with the connecting rod 31, and in particular, the sliding nut 42 is in threaded connection with the connecting rod 31 in the clamping groove 231; so configured, the connection assembly 30 can connect the docking assembly 10 and the mounting assembly 20; simultaneously, the locking nut 41 is rotated on the connecting rod 31, the locking nut 41 moves towards the mounting assembly 20 until abutting against the mounting assembly 20, so that the locking nut 41 and the sliding nut 42 can clamp the mounting assembly 20, the connecting rod 31 is fixed in the movable hole 21, and the fixing effect is good.
Referring to fig. 2 to 4, the mounting assembly 20 includes an inner screw sleeve 23 and an outer screw sleeve 24 screwed to the inner screw sleeve 23, and the movable hole 21 is disposed at one end of the inner screw sleeve 23 near the docking assembly 10; the clamping groove 231 is provided at the middle of the inner screw sleeve 23 and extends in the radial direction of the inner screw sleeve 23; the lengthwise direction of the movable hole 21 is parallel to the extending direction of the clamping groove 231; specifically, the cross-sectional shape of the locking groove 231 is inverted T-shaped, and the cross-sectional shape of the sliding nut 42 is also inverted T-shaped, so that the sliding nut 42 can only slide in the locking groove 231 and cannot rotate when the sliding nut 42 is put into the locking groove 231. In practice, the inner screw sleeve 23 is screwed into the outer screw sleeve 24, then the outer screw sleeve 24 is welded on the supporting frame 02, the connecting rod 31 passes through the movable hole 21 and then is screwed into the sliding nut 42 in the clamping groove 231, so that the connecting rod 31 can be adjusted to reciprocate in the movable hole 21, then the locking nut 41 on the connecting rod 31 is rotated, the locking nut 41 moves towards the inner screw sleeve 23 until being abutted with the inner screw sleeve 23, and the locking nut 41 and the sliding nut 42 can clamp the inner screw sleeve 23, so that the connecting rod 31 is fixed in the movable hole 21, and the fixing effect is good.
Referring to fig. 2 to 6, in the present embodiment, the docking assembly 10 includes a carrier 11 disposed at a second end of the connection assembly 30, a first clamping member 12 disposed on the carrier 11, and a second clamping member 13 screwed on the carrier 11, where the first clamping member 12 and the second clamping member 13 are disposed correspondingly. Specifically, the carrier 11 is a cylinder; in the present embodiment, the first clamping member 12 is detachably connected to the carrier member 11; in this embodiment, the docking assembly 10 further includes a sleeve 15 movably sleeved on the carrier 11, and two ends of the sleeve 15 respectively abut against the first clamping member 12 and the second clamping member 13; specifically, the first clamping member 12 includes a locking block 14, and a clamping block 121 and a fixing block 122 both sleeved on the bearing member 11, where the clamping block 121 abuts against the sleeve 15, and the fixing block 122 and the clamping block 121 are both detachably connected with the bearing member 11 through the locking block 14, and then specifically, the locking block 14 is a bolt, and the locking block 14 passes through the clamping block 121 and the fixing block 122 and then is in threaded connection with the bearing member 11.
Specifically, when the connection assembly 10 is needed to be used for connecting the glass curtain wall 01, the clamping block 121 and the fixing block 122 are detached from the bearing piece 11, then the sleeve 15 penetrates into the mounting hole 03 of the glass curtain wall 01, the clamping block 121 is placed on one end, far away from the connecting rod 31, of the bearing piece 11, the clamping block 121 is abutted with the glass curtain wall 01, then the fixing block 122 is placed on the clamping block 121, the locking block 14 is used, the fixing block 122 and the clamping block 121 sequentially penetrate through the locking block 14 and then are in threaded connection with the bearing piece 11, the locking block 14 is continuously rotated, the fixing block 122 and the clamping block 121 can be fixed on the bearing piece 11, and the glass curtain wall 01 can be fixed through clamping of the clamping block 121 and the second clamping piece 13 on the glass curtain wall 01, and the fixing effect is good.
Referring to fig. 7, in the present embodiment, the second end of the connecting assembly 30 is provided with a ball 32, specifically, the ball 32 is disposed at an end of the connecting rod 31 away from the inner threaded sleeve 23, the docking assembly 10 is provided with a limiting groove 111, specifically, the limiting groove 111 is disposed in the bearing member 11 of the docking assembly 10; the ball 32 is movably disposed in the limit groove 111, and cannot be taken out from the limit groove 111. So set up, when glass curtain wall 01 receives great wind pressure, and takes place the deflection deformation, carrier 11 just can rotate with the centre of a circle of spheroid 32 to make glass curtain wall 01 take place the part of deflection deformation and produce the removal, further cushion and overlap the stress that connects subassembly 10 produced, thereby can avoid taking place glass curtain wall 01 because of the stress concentration causes the circumstances that glass breaks better, play the guard action to glass curtain wall 01.
The foregoing examples illustrate only a few embodiments of the utility model and are described in detail herein without thereby limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (10)
1. A refute and connect mechanism for be connected glass curtain wall and support frame, its characterized in that includes:
the connection assembly is used for being connected with the glass curtain wall;
the installation component is used for being connected with the support frame and provided with a movable hole;
the connecting assembly is provided with a first end and a second end which are oppositely arranged, the first end of the connecting assembly movably penetrates through the movable hole, the second end of the connecting assembly is connected with the connecting assembly, and the movable hole is used for enabling the connecting assembly to reciprocate in the longitudinal direction of the section of the connecting assembly; and
The locking assembly is arranged on the connecting assembly and is used for selectively fixedly connecting or loosening the connecting assembly with the movable hole.
2. The docking mechanism of claim 1, wherein: the locking assembly comprises a sliding nut in threaded connection with the connecting assembly, the mounting assembly is provided with a clamping groove communicated with the movable hole, the sliding nut is slidably arranged in the clamping groove, and the clamping groove is used for enabling the sliding nut to slide and limiting the sliding nut to rotate.
3. The docking mechanism of claim 2, wherein: the locking assembly further comprises a locking nut in threaded connection with the connecting assembly, and the locking nut is located between the connecting assembly and the mounting assembly and used for being matched with the sliding nut to clamp the mounting assembly.
4. A docking mechanism as recited in claim 3, wherein: the connecting assembly comprises a connecting rod connected with the connecting assembly, the movable hole is used for enabling the connecting rod to reciprocate in the longitudinal direction of the section of the connecting rod, and the sliding nut and the locking nut are in threaded connection with the connecting rod.
5. The docking mechanism of claim 2, wherein: the mounting assembly comprises an inner screw sleeve and an outer screw sleeve which is in threaded sleeve connection with the inner screw sleeve, and the movable hole is formed in one end, close to the connection assembly, of the inner screw sleeve; the clamping groove is arranged in the middle of the inner screw sleeve and extends along the radial direction of the inner screw sleeve.
6. The docking mechanism as recited in claim 5, wherein: the lengthwise direction of the movable hole is parallel to the extending direction of the clamping groove.
7. The docking mechanism of claim 1, wherein: the connecting assembly comprises a bearing piece arranged at the second end of the connecting assembly, a first clamping piece arranged on the bearing piece and a second clamping piece in threaded sleeve joint on the bearing piece, wherein the first clamping piece and the second clamping piece are correspondingly arranged.
8. The docking mechanism of claim 7, wherein: the connecting assembly further comprises a sleeve movably sleeved on the bearing piece, and two ends of the sleeve are respectively abutted to the first clamping piece and the second clamping piece.
9. The docking mechanism of claim 8, wherein: the first clamping piece comprises a locking block, a clamping block and a fixing block, wherein the clamping block and the fixing block are movably sleeved on the bearing piece, the clamping block is in butt joint with the sleeve, and the fixing block and the clamping block are detachably connected with the bearing piece through the locking block.
10. The docking mechanism of claim 1, wherein: the second end of the connecting component is provided with a sphere, and the connecting component is provided with a limit groove; the ball body is movably arranged in the limiting groove and cannot be taken out of the limiting groove.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321352363.2U CN220469190U (en) | 2023-05-30 | 2023-05-30 | Connection mechanism |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321352363.2U CN220469190U (en) | 2023-05-30 | 2023-05-30 | Connection mechanism |
Publications (1)
Publication Number | Publication Date |
---|---|
CN220469190U true CN220469190U (en) | 2024-02-09 |
Family
ID=89776552
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202321352363.2U Active CN220469190U (en) | 2023-05-30 | 2023-05-30 | Connection mechanism |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN220469190U (en) |
-
2023
- 2023-05-30 CN CN202321352363.2U patent/CN220469190U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN220469190U (en) | Connection mechanism | |
CN117513542A (en) | Combined fastening connector and quick assembly method thereof | |
CN2809311Y (en) | Expansion bolt | |
CN211899123U (en) | Cross-shaped claw piece of guardrail | |
CN210768274U (en) | High-bearing hinge | |
CN205927140U (en) | Tailstock and digit control machine tool | |
CN219123472U (en) | Connection structure for installing direction-finding antenna unit | |
CN219508844U (en) | Exempt from trompil connecting piece | |
CN221278705U (en) | Double-flange butt-joint mounting piece | |
CN112962856A (en) | Suspended ceiling mounting structure | |
CN212337982U (en) | Connecting mechanism of elastic reed | |
CN220505995U (en) | Stainless steel pipe convenient to installation | |
CN214359932U (en) | Horizontal fixing device of overweight round pin axle of tower crane | |
CN218405903U (en) | Building lightweight steel wall connection structure | |
CN2913174Y (en) | Pontoon connector | |
CN217105836U (en) | Quick connector for reinforcing steel bars | |
CN213806584U (en) | Cylinder template reinforcing apparatus | |
CN219197820U (en) | Pipe connecting piece suitable for different calibers | |
CN219226810U (en) | Multi-range backboard connector | |
CN221567580U (en) | Curtain wall connecting piece and curtain wall mounting structure | |
CN210799787U (en) | Tripod type movable universal joint with limiting structure | |
CN220686801U (en) | Steel structure connecting and mounting structure | |
CN213525345U (en) | Anti-drop skull drill bit | |
CN221849945U (en) | Part reinforcing device | |
CN213360767U (en) | Bolt and nut assembly with thread protection function |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |