CN215483685U - Expansion joint structure for building - Google Patents
Expansion joint structure for building Download PDFInfo
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- CN215483685U CN215483685U CN202121380199.7U CN202121380199U CN215483685U CN 215483685 U CN215483685 U CN 215483685U CN 202121380199 U CN202121380199 U CN 202121380199U CN 215483685 U CN215483685 U CN 215483685U
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Abstract
The utility model relates to an expansion joint structure for building, it includes building board one and building board two, be provided with auxiliary device between building board one and the building board two, auxiliary device is including triggering the subassembly and observing the subassembly, it includes intermeshing's gear one and rack one, gear one rotates and installs on building board one, rack one sets up on building board two, rack one is close to building board one with building board two lateral wall angulation setting, observe the subassembly include rack two and with gear synchronous pivoted gear two, gear two and rack two intermeshing, rack two slides from top to bottom and sets up on building board one. This application has the effect that makes things convenient for constructor to observe the expansion joint change directly perceivedly.
Description
Technical Field
The application relates to building structure's field especially relates to an expansion joint structure for building.
Background
The building expansion joint is used for dividing building components above a foundation, such as walls, floors and roofs (except for wooden roofs), into two independent parts, so that the building or the structure can horizontally expand and contract along the length direction, and the building expansion joint is suitable for deformation of the building components due to climate temperature change and the like.
The chinese patent with publication number CN213115043U discloses a building expansion joint structure, it includes building structure, the last expansion joint that is formed with of building structure, be provided with waterproof on the expansion joint, waterproof is including integrative soft area and two connecting portion that set up, the right angle cell body has all been seted up on the building structure of expansion joint both sides, the soft area of waterproof is located the expansion joint, two connecting portion upsides all are provided with the layering, layering and connecting portion pass through the locking bolt to be fixed in the right angle cell body of expansion joint both sides, the soft area of waterproof can be applicable to different building structure's flexible volume.
In view of the above-described related art, the inventors consider that the following drawbacks exist: constructor when examining the expansion joint, need carry out the detection and analysis to the change at expansion joint, the change at expansion joint can't be observed directly perceivedly in this application.
SUMMERY OF THE UTILITY MODEL
For making things convenient for constructor can observe the change at expansion joint directly perceivedly, this application provides an expansion joint structure for building.
The application provides a pair of expansion joint structure for building adopts following technical scheme:
the utility model provides an expansion joint structure for building, includes building board one and building board two, be provided with auxiliary device between building board one and the building board two, auxiliary device is including triggering the subassembly and observing the subassembly, it includes intermeshing's gear one and rack one, gear one rotates and installs on building board one, rack one sets up on building board two, rack one and building board two are close to the lateral wall angulation setting of building board one, the observation subassembly includes rack two and with gear synchronous pivoted gear two, gear two and rack two intermeshing, rack two slides from top to bottom and sets up on building board one.
Through adopting above-mentioned technical scheme, form the expansion joint between building panel one and the building panel two, change when the width at expansion joint, the displacement takes place for gear one relatively to make gear one take place to rotate, and rack two rotates along with gear one, and then drives rack two and slides from top to bottom, and through rack two gliding distance from top to bottom, can directly observe expansion joint width variation.
Optionally, the first gear and the second gear are coaxially arranged, a support shaft penetrates through the first gear and the second gear, and the support shaft is rotatably arranged on the first building plate.
Through adopting above-mentioned technical scheme, link together gear one and gear two through the back shaft, gear one can drive gear two and rotate.
Optionally, the pitch circle diameter of the second gear is larger than that of the first gear.
Through adopting above-mentioned technical scheme, because gear two sets up with gear coaxial, gear two is the same with gear pivoted angle, sets up the reference circle diameter through the reference circle diameter with gear two to be greater than gear one, can enlarge the width variation value at the expansion joint to make things convenient for the width variation of constructor more audio-visual observation expansion joint.
Optionally, an observation rod is arranged on the second rack, and scale marks are arranged on the observation rod.
Through adopting above-mentioned technical scheme, through setting up observation pole, and be provided with the scale mark on the observation pole to make things convenient for constructor record the data on the expansion joint width change.
Optionally, be provided with the balance subassembly on the building board one, the balance subassembly includes fixed pulley and balancing weight, the fixed pulley rotates and sets up on building board one, the last wind of fixed pulley is equipped with the connection rope, connect rope one end and be connected with the observation pole, the other end is connected with the balancing weight.
Through adopting above-mentioned technical scheme, the balancing weight can offset the gravity of rack two and observation pole to make the pulling force that receives at connecting rope both ends equal, thereby reduce the possibility that descends under the action of gravity of rack two and observation pole, with the stability that keeps rack two and observation pole.
Optionally, a sliding block is arranged on the balancing weight, and a sliding rail for sliding the sliding block is correspondingly arranged on the first building board.
Through adopting above-mentioned technical scheme, still at slider and slide rail through my to when making two reciprocates of rack, can drive the balancing weight through connecting the rope and stabilize the slip.
Optionally, a guide block is arranged on the second rack, and a guide rail for the guide block to slide is arranged on the first building board.
Through adopting above-mentioned technical scheme, through setting up guide block and guide rail to with rack two stable slidable mounting on building board one.
Optionally, at least two groups of auxiliary devices are arranged at intervals along the length direction of the expansion joint.
Through adopting above-mentioned technical scheme, set up multiunit auxiliary device through the interval, can survey the width change at a plurality of positions at the expansion joint, the change at knowing the expansion joint that can be more accurate can in time take measures when the width variation value at expansion joint surpasss the allowed range.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when the width of the expansion joint is changed, the first rack displaces relative to the first gear, so that the first gear rotates, the second rack rotates along with the first gear, the second rack is driven to slide up and down, and the variation of the width of the expansion joint can be directly observed through the distance of the second rack sliding up and down;
2. the first gear and the second gear are coaxially arranged, and the reference circle diameter of the second gear is larger than that of the first gear, so that the width change value of the expansion joint can be amplified, and a constructor can conveniently and visually observe the width change of the expansion joint;
3. through setting up balanced subassembly, the balancing weight can balance the gravity of observing pole and rack two to make and connect the rope both ends and reach the balance, reduce the rack and observe the possibility that the pole descends under the action of gravity.
Drawings
Fig. 1 is the overall structure schematic diagram of expansion joint structure for building of this application embodiment.
Fig. 2 is a schematic structural diagram of an auxiliary device in an embodiment of the present application.
Fig. 3 is a schematic structural diagram (for illustrating a balancing assembly) of another view of the auxiliary device in the embodiment of the present application.
Reference numerals: 1. an expansion joint; 11. a first building plate; 12. a second building plate; 2. a trigger component; 21. a first gear; 22. a first rack; 221. mounting a plate; 23. a support plate; 24. a support shaft; 3. an observation component; 31. a second gear; 32. a second rack; 33. a guide block; 34. a guide rail; 341. a guide groove; 4. an observation rod; 41. a connecting ring; 42. scale lines; 5. a balancing component; 51. a fixed pulley; 52. connecting ropes; 53. a balancing weight; 54. a slider; 55. a slide rail; 6. a fixed seat; 61. a fixed shaft; 7. a support device; 71. a first support column; 72. and a second support.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses expansion joint structure for building. Referring to fig. 1, the expansion joint structure for the building comprises a first building board 11 and a second building board 12, the first building board 11 and the second building board 12 are horizontally arranged, an expansion joint 1 is formed between the first building board 11 and the second building board 12, a plurality of supporting devices 7 are arranged between the first building board 11 and the second building board 12 at equal intervals along the length direction of the expansion joint 1, the supporting devices 7 play a supporting role between the first building board 11 and the second building board 12, each supporting device 7 comprises a first supporting column 71 fixedly installed on the first building board 11 and a second supporting column 72 fixedly installed on the second building board 12, and the first supporting column 71 and the second supporting column 72 are in sliding fit to adapt to the width change of the expansion joint 1.
Referring to fig. 1 and 2, for making things convenient for constructor to survey the change of expansion joint 1 width, be provided with auxiliary device in expansion joint 1, auxiliary device is including triggering subassembly 2 and observation subassembly 3, triggers the width change that subassembly 2 is used for direct perception expansion joint 1, observes subassembly 3 and is used for showing the width change of expansion joint 1. The trigger assembly 2 comprises a first gear 21 and a first rack 22 which are meshed with each other, the axis of the first gear 21 extends along the length direction of the expansion joint 1, two support plates 23 are fixed on the side walls, close to the second building plate 12, of the first building plate 11, and the support plates 23 are rectangular plate-shaped and are respectively arranged on two axial sides of the first gear 21; a support shaft 24 is coaxially and fixedly arranged on the first gear 21 in a penetrating manner, the support shaft 24 is in a cylindrical shape, and two ends of the support shaft 24 are respectively and rotatably supported on the two support plates 23, so that the first gear 21 is rotatably supported on the first building plate 11. The first rack 22 is horizontally arranged, the length direction of the first rack is perpendicular to the length direction of the expansion joint 1, the first rack 22 is arranged below the first gear 21, teeth of the first rack 22 are upwards meshed with the first gear 21, one end, close to the second building board 12, of the first rack 22 is integrally provided with the mounting plate 221, the mounting plate 221 is rectangular plate-shaped, and the mounting plate 221 is fixed on the side wall, close to the first building board 11, of the second building board 12 through bolts. When the width of the expansion joint 1 changes, the relative position of the first rack 22 and the first gear 21 changes, so that the first gear 21 rotates.
Referring to fig. 2, the observation assembly 3 includes a second gear 31 and a second rack 32 which are engaged with each other, the second gear 31 is coaxially and fixedly sleeved on the support shaft 24, the second gear 31 is located between the first gear 21 and the support plate 23 on one side, and the rotation of the first gear 21 can drive the second gear 31 to rotate; the second rack 32 is vertically arranged and is positioned on one side, close to the first building board 11, of the second gear 31, and teeth of the second rack 32 are arranged towards the second gear 31 and are meshed with the second gear 31; the side face, close to the first building plate 11, of the second rack 32 is fixed with a guide block 33 through a bolt, the cross section of the guide block 33 in the length direction of the second rack 32 is T-shaped, a guide rail 34 is fixed on the side wall, close to the second building plate 12, of the first building plate 11 through a bolt, the guide rail 34 is long-strip-shaped and extends in the vertical direction, a guide groove 341 is formed in the length direction of the guide rail 34, the cross section of the guide groove 341 is T-shaped, the guide block 33 is in sliding fit in the guide groove 341 in the vertical direction, and therefore the second rack 32 is vertically and slidably mounted on the first building plate 11.
Referring to fig. 2, an integrative observation pole 4 that is provided with on the rack second 32 up end, observation pole 4 is the rectangle pole, and vertical setting, and 4 up ends of observation pole are higher than the first 11 upper surfaces of building panel, and observation pole 4 all is provided with scale mark 42 on the both sides face that is on a parallel with expansion joint 1 length direction, and when the width of expansion joint 1 changed, gear one 21 drives gear second 31 and rotates to drive rack second 32 reciprocates, can observe the width change of direct observation expansion joint 1 through scale mark 42 on the observation pole 4.
Referring to fig. 2, the first gear 21 and the second gear 31 are both straight toothed cylindrical gears, the pitch circle diameter of the second gear 31 is greater than the pitch circle diameter of the first gear 21, specifically, the ratio of the pitch circle diameter of the second gear 31 to the pitch circle diameter of the first gear 21 can be set to be an integer of 1.5, 2, 2.5, 3, 4, etc., in this embodiment, 2 is set, when the width of the expansion joint 1 changes, the first gear 21 rotates, the second gear 31 drives the second rack 32 to slide up and down, and because the rotating angles of the second gear 31 and the first gear 21 are the same, the second gear 31 can magnify the width change of the expansion joint 1 by two times, so that the distance of the vertical sliding of the second rack 32 is twice of the width change value of the expansion joint 1, and it is more convenient for a constructor to observe the change of the width of the expansion joint 1.
Referring to fig. 2 and 3, in order to reduce the possibility that the observation rod 4 and the rack gear 32 descend under the action of gravity, the balance assembly 5 is arranged on the building plate I11, and the balance assembly 5 is positioned on the side, away from the gear I21, of the gear II 31; the balance assembly 5 comprises a fixed pulley 51, a connecting rope 52 and a balancing weight 53, the fixed pulley 51 is rotatably supported on the first building board 11 through a fixed seat 6, the fixed seat 6 is fixed on the upper surface of the first building board 11, a fixed shaft 61 is fixedly arranged on the fixed seat 6 in a penetrating mode, the fixed shaft 61 is in a cylindrical shape, the axial direction of the fixed shaft 61 is parallel to the length direction of the first rack 22, and the fixed pulley 51 is sleeved on the fixed shaft 61 in a sliding mode.
Referring to fig. 2 and 3, the connecting rope 52 is disposed above the fixed pulley 51, and the connecting rope 52 is wound around the fixed pulley 51 and has both ends extending downward from the fixed pulley 51; the side wall of the observation rod 4 close to the fixed pulley 51 is fixedly connected with a connecting ring 41, the connecting ring 41 is a circular ring, one end of a connecting rope 52 close to the connecting ring 41 is connected to the connecting ring 41 in a knotting mode, and one end of the connecting rope 52 far away from the connecting ring 41 is fixed on a balancing weight 53; the balancing weight 53 is rectangular, a sliding block 54 is fixed to one face, facing the first building board 11, of the balancing weight 53 through bolts, a sliding rail 55 is fixed to the side wall, close to the second building board 12, of the first building board 11 through bolts, the structure of the sliding block 54 is the same as that of the guide block 33, the sliding rail 55 is the same as that of the guide rail 34 and is vertically arranged, and the sliding block 54 is in sliding fit with the sliding rail 55, so that the balancing weight 53 is slidably mounted on the first building board 11 in the vertical direction. Under the effect of balancing weight 53, the pulling force that connects rope 52 both ends received equals to make second 32 of rack and observation pole 4 be in balanced state all the time.
Referring to fig. 1, the auxiliary devices are uniformly arranged in multiple groups along the length direction of the expansion joint 1 at intervals, and data corresponding to the scale marks 42 on the observation rods 4 are analyzed to obtain more accurate values of the width change of the expansion joint 1.
The application embodiment an implementation principle of expansion joint structure for building does: when the width of the expansion joint 1 changes, the first gear 21 and the first rack 22 are meshed with each other to enable the first gear 21 to rotate, the first gear 21 drives the second gear 31 to rotate through the support shaft 24, the second rack 32 is further driven to move up and down, the observation rod 4 moves up and down along with the second rack 32, and the width change value of the expansion joint 1 can be directly observed through the scales on the observation rod 4.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides an expansion joint structure for building, includes building board one (11) and building board two (12), its characterized in that: the auxiliary device is including triggering subassembly (2) and observation subassembly (3), trigger subassembly (2) including intermeshing's gear (21) and rack (22), gear (21) rotate and install on building board (11), rack (22) set up on building board two (12), rack (22) and building board two (12) are close to the lateral wall angulation setting of building board (11), observation subassembly (3) include rack two (32) and with gear (21) synchronous rotation's gear two (31), gear two (31) and rack two (32) intermeshing, rack two (32) slide from top to bottom and set up on building board (11).
2. The expansion joint structure for building of claim 1, wherein: the first gear (21) and the second gear (31) are coaxially arranged, a support shaft (24) penetrates through the first gear (21) and the second gear (31), and the support shaft (24) is rotatably arranged on the first building board (11).
3. An expansion joint structure for building as claimed in claim 2, wherein: the pitch circle diameter of the second gear (31) is larger than that of the first gear (21).
4. The expansion joint structure for building of claim 1, wherein: an observation rod (4) is arranged on the second rack (32), and scale marks (42) are arranged on the observation rod (4).
5. The expansion joint structure for building of claim 4, wherein: be provided with balanced subassembly (5) on building board (11), balanced subassembly (5) are including fixed pulley (51) and balancing weight (53), fixed pulley (51) rotate to be set up on building board (11), around being equipped with on fixed pulley (51) and connecting rope (52), connect rope (52) one end and be connected with observation pole (4), the other end is connected with balancing weight (53).
6. An expansion joint structure for building as claimed in claim 5, wherein: the counterweight block (53) is provided with a sliding block (54), and the first building board (11) is correspondingly provided with a sliding rail (55) for the sliding block (54) to slide.
7. The expansion joint structure for building of claim 1, wherein: and a guide block (33) is arranged on the second rack (32), and a guide rail (34) for the guide block (33) to slide is arranged on the first building board (11).
8. The expansion joint structure for building of claim 1, wherein: the auxiliary devices are arranged at least two groups at intervals along the length direction of the expansion joint (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121380199.7U CN215483685U (en) | 2021-06-21 | 2021-06-21 | Expansion joint structure for building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121380199.7U CN215483685U (en) | 2021-06-21 | 2021-06-21 | Expansion joint structure for building |
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| Publication Number | Publication Date |
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| CN215483685U true CN215483685U (en) | 2022-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121380199.7U Active CN215483685U (en) | 2021-06-21 | 2021-06-21 | Expansion joint structure for building |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115821737A (en) * | 2022-11-11 | 2023-03-21 | 灌南畅安交通工程有限公司 | Highway bridge engineering expansion joint detection device and use method thereof |
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2021
- 2021-06-21 CN CN202121380199.7U patent/CN215483685U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115821737A (en) * | 2022-11-11 | 2023-03-21 | 灌南畅安交通工程有限公司 | Highway bridge engineering expansion joint detection device and use method thereof |
| CN115821737B (en) * | 2022-11-11 | 2023-09-15 | 灌南畅安交通工程有限公司 | Highway bridge engineering expansion joint detection device and use method thereof |
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