Reserved opening plugging device

Abstract

The utility model discloses a reserved opening plugging device, and relates to the technical field of reserved openings, the reserved opening plugging device comprises a chassis, the front end of the chassis is fixedly connected with a cylinder, the front part of the chassis is fixedly provided with a limiting structure, the outside of the cylinder is fixedly provided with a sealing structure, the limiting structure comprises four sliding chutes, and the sliding chutes are fixedly connected with the cylinder. The four sliding grooves are formed in the upper position, the lower position, the left position and the right position of the front end of the chassis correspondingly, sliding rods are fixedly connected into the four sliding grooves correspondingly, and the ends, close to each other, of the four sliding rods extend into the cylinder. According to the reserved opening plugging device, through the effect of the limiting structure, a pipeline passing through the reserved opening and the plugging device can be limited and fixed, meanwhile, when the pipeline is used, the damping effect on the pipeline can be achieved, then the stability of the pipeline is guaranteed, friction between the pipeline and the interior of the reserved opening can be effectively avoided, and the service life of the pipeline is prolonged. Therefore, the effect of prolonging the service life of the pipeline is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of reserved openings, in particular to a reserved opening blocking device. Background Art

[0002] During the construction process, reserved holes are often set in structures such as floor slabs to facilitate elevation measurement, layout of pump pipes, etc. These holes need to be sealed after the main concrete construction is completed to prevent dust, debris, water, gas, etc. from entering the holes. The reserved opening sealing device is a device used to seal reserved holes. Different sealing methods can be selected according to different usage scenarios and needs. It can effectively prevent dust, debris, etc. from entering the reserved holes, keep the holes clean and dry, and provide a good environment for subsequent construction and use.

[0003] For example, a Chinese patent with publication number CN219754059U discloses a detachable reserved opening sealing device, comprising: a foundation, a reserved opening body is opened on the surface of the foundation; a sealing mechanism, the sealing mechanism for sealing the reserved opening body is installed through the top and bottom of the foundation; by setting a sealing component, when the reserved opening body is sealed, the servo motor drives the active belt pulley to rotate, the active belt pulley drives the driven belt pulley to rotate through the transmission connection of the transmission belt, and the screw rod is then threadedly connected with the threaded sleeve and moves up and down while the driven belt pulley rotates, so that the sealing seat enters the interior of the reserved opening body to seal the reserved opening body, thereby achieving the purpose of automatically sealing the reserved opening body without the need for manual operation by the staff, and at the same time avoiding the need to operate on both sides of the hole at the same time, which is difficult for the staff to operate.

[0004] The existing technology has the following problems:

[0005] In actual use, due to the differences in buildings and the diversity of usage conditions, the pipes used through the reserved holes are not the same, which may cause the pipes to slip during use, thereby affecting the overall stability of the pipes. At the same time, it may cause the outer wall of the pipe to rub against the inside of the reserved opening, thereby causing pipe wear and thus reducing the service life of the pipes. Utility Model Content

[0006] The utility model provides a reserved opening blocking device to solve the problems raised in the above background technology.

[0007] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0008] A reserved opening blocking device comprises a chassis, a front end of the chassis is fixedly connected to a cylinder, a front part of the chassis is fixedly installed with a limiting structure, and the outside of the cylinder is fixedly installed with a sealing structure.

[0009] Preferably, the limiting structure includes four slide grooves, which are respectively opened at four positions of the upper, lower, left and right sides of the front end of the chassis, and the interiors of the four slide grooves are fixedly connected with slide rods, and the ends of the four slide rods that are close to each other extend into the interior of the cylinder, and the ends of the four slide rods that are close to each other are fixedly connected with dampers.

[0010] Preferably, the output ends of the four dampers are all fixedly connected with a pressure plate, and the adjacent sides of the four pressure plates are all fixedly connected with a rubber anti-slip strip.

[0011] Preferably, the four sliding rods are fixedly connected to round rods at positions far apart from the front ends, and the outer wall of the cylinder is rotatably connected to a rotating disk near the chassis. The front end of the rotating disk is provided with four inclined slot holes that penetrate the rotating disk, and the interiors of the four inclined slot holes are respectively slidably connected to the outer walls of the four sliding rods.

[0012] Preferably, a ring is fixedly connected to the middle of the outer wall of the cylinder, a worm is rotatably connected to the bottom of the rear end of the ring, a worm wheel is fixedly connected to the front end of the rotating disk, the worm wheel is located outside the cylinder, the outer wall of the worm wheel is meshingly connected to the outer wall of the worm, the front end of the worm extends out of the bottom of the front end of the ring, and a handle is fixedly connected to the front end of the worm.

[0013] Preferably, the sealing structure comprises a circular frame, the rear end of the circular frame is fixedly connected to the front end of the cylinder, and the interior of the circular frame is fixedly connected with an air bag.

[0014] Preferably, an air tube is fixedly connected to the top of the rear end of the circular frame, the front end of the air tube extends to the interior of the airbag, the rear end of the air tube is fixedly connected to a rectangular box, the rear end of the rectangular box is fixedly connected to the top of the front end of the circular ring, a piston is slidably connected to the interior of the rectangular box, the rear end of the piston is fixedly connected to a traction rope and a spring, the spring is located outside the front end of the traction rope, and the rear end of the traction rope extends out of the rear end of the rectangular box.

[0015] Preferably, the rear end of the traction rope is fixedly connected to a lasso, the front portion of the top end of the rectangular box is fixedly connected to a fixing pile, the rear portion of the rectangular box is rotatably connected to two rotating rods, and the outer walls of the two rotating rods overlap the outer wall of the traction rope.

[0016] Due to the adoption of the above technical solution, the utility model has achieved the following technical progress compared with the prior art:

[0017] 1. The utility model provides a reserved opening plugging device, which can limit and fix the pipeline passing through the reserved opening and the plugging device through the limiting structure. At the same time, it can have a shock-absorbing effect on the pipeline when the pipeline is in use, thereby ensuring the stability of the pipeline, and can effectively avoid friction between the pipeline and the inside of the reserved opening, thereby extending the service life of the pipeline.

[0018] 2. The utility model provides a reserved opening sealing device, which can prevent dust, dirt and other impurities from entering the equipment or pipeline through the reserved opening through the sealing structure, thereby preventing the impurities from contaminating the medium or damaging the internal components, affecting the normal operation of the equipment, and at the same time providing a layer of protection for the reserved opening to prevent the reserved opening from being affected by external moisture erosion. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the worm gear structure of the utility model;

[0021] Figure 3 This is a schematic diagram of the chute structure of the utility model;

[0022] Figure 4 This is a schematic diagram of the pressing plate structure of the utility model;

[0023] Figure 5 This is a schematic diagram of the piston structure of the utility model.

[0024] In the figure: 1. chassis; 2. cylinder; 3. limiting structure; 31. slide groove; 32. slide rod; 33. damper; 34. pressure plate; 35. rubber anti-skid strip; 36. round rod; 37. rotating disk; 38. inclined slot hole; 39. worm gear; 310. worm; 311. ring; 312. handle; 4. sealing structure; 41. round frame; 42. airbag; 43. air pipe; 44. rectangular box; 45. piston; 46. traction rope; 47. lasso; 48. fixed pile; 49. rotating rod; 410. spring. DETAILED DESCRIPTION

[0025] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0026] like Figure 1 As shown, a reserved opening blocking device comprises a chassis 1, a cylinder 2 is fixedly connected to the front end of the chassis 1, a limiting structure 3 is fixedly installed on the front of the chassis 1, and a sealing structure 4 is fixedly installed on the outside of the cylinder 2.

[0027] By providing the limiting structure 3, the pipeline passing through the plugging device can be limited and the shock absorbing effect can be achieved, thereby extending the service life of the plugging device and the pipeline.

[0028] like Figure 3 and Figure 4 As shown, the limiting structure 3 includes four slide grooves 31, and the four slide grooves 31 are respectively opened at four positions of the upper, lower, left and right sides of the front end of the chassis 1. The insides of the four slide grooves 31 are fixedly connected with slide rods 32, and the ends of the four slide rods 32 that are close to each other extend to the inside of the cylinder 2. The ends of the four slide rods 32 that are close to each other are fixedly connected with dampers 33.

[0029] By providing the damper 33, the pipeline can be damped when it is limited, thereby reducing the wear of the pipeline.

[0030] like Figure 4 As shown, the output ends of the four dampers 33 are all fixedly connected with a pressing plate 34 , and the adjacent sides of the four pressing plates 34 are all fixedly connected with a rubber anti-slip strip 35 .

[0031] By providing the pressing plates 34 , the four pressing plates 34 can clamp inwardly to fix the pipeline, thereby ensuring the stability of the pipeline, and the rubber anti-slip strips 35 can further improve the fixing and protection effect of the pipeline.

[0032] like Figure 1 and Figure 2 As shown, the front ends of the four slide bars 32 are fixedly connected with round rods 36 at positions far away from each other, and the outer wall of the cylinder 2 is rotatably connected with a rotating disk 37 near the chassis 1. The front end of the rotating disk 37 is provided with four inclined slot holes 38 that penetrate the rotating disk 37, and the interiors of the four inclined slot holes 38 are slidably connected with the outer walls of the four slide bars 32 respectively.

[0033] By providing the rotating disk 37, the rotation of the rotating disk 37 can drive the four slide bars 32 to rotate synchronously, so that the four pressure plates 34 can be clamped inward synchronously, thereby achieving the effect of limiting and positioning the pipeline.

[0034] like Figure 2 As shown, a ring 311 is fixedly connected to the middle of the outer wall of the cylinder 2, and a worm 310 is rotatably connected to the bottom of the rear end of the ring 311. A worm wheel 39 is fixedly connected to the front end of the rotating disk 37. The worm wheel 39 is located outside the cylinder 2. The outer wall of the worm wheel 39 is meshed with the outer wall of the worm 310. The front end of the worm 310 extends out of the bottom of the front end of the ring 311, and the front end of the worm 310 is fixedly connected to a handle 312.

[0035] By providing the worm 310 and the worm wheel 39 , the cooperation between the two can drive the rotating disk 37 to rotate and keep the rotating disk 37 stable.

[0036] like Figure 5 As shown, the sealing structure 4 includes a circular frame 41 , the rear end of the circular frame 41 is fixedly connected to the front end of the cylinder 2 , and the interior of the circular frame 41 is fixedly connected with an air bag 42 .

[0037] By providing the airbag 42, the airbag 42 can fill the gap between the pipeline and the blocking device when in an expanded state.

[0038] like Figure 5 As shown, an air tube 43 is fixedly connected to the top of the rear end of the circular frame 41, and the front end of the air tube 43 extends to the interior of the airbag 42. A rectangular box 44 is fixedly connected to the rear end of the air tube 43, and the rear end of the rectangular box 44 is fixedly connected to the top of the front end of the circular ring 311. A piston 45 is slidably connected to the interior of the rectangular box 44, and a traction rope 46 and a spring 410 are fixedly connected to the rear end of the piston 45. The spring 410 is located outside the front end of the traction rope 46, and the rear end of the traction rope 46 extends out of the rear end of the rectangular box 44.

[0039] By providing the piston 45 , the piston 45 can slide down to extract the air inside the airbag 42 , thereby facilitating the installation of the pipeline.

[0040] like Figure 5 As shown, the rear end of the traction rope 46 is fixedly connected with a lasso 47, the front part of the top of the rectangular box 44 is fixedly connected with a fixed pile 48, and the rear part of the rectangular box 44 is rotatably connected with two rotating rods 49, and the outer walls of the two rotating rods 49 are overlapped with the outer wall of the traction rope 46.

[0041] By providing a traction rope 46 , the piston 45 can be pulled, and the cooperation between the lasso 47 and the fixing pile 48 can fix the piston 45 .

[0042] The working principle of the utility model is as follows: when in use, the cylinder 2 is first put on the outside of the pipe, and the bottom plate 1 is kept in contact with the reserved opening. At this time, the handle 312 can be turned to drive the worm 310 to rotate, and then the worm wheel 39 is driven to rotate. The rotation of the worm wheel 39 drives the rotating disk 37 to rotate. When the rotating disk 37 rotates, the round rod 36 is guided and made to slide under the action of the inclined slot hole 38. The round rod 36 drives the sliding rod 32 to slide inside the sliding groove 31, so that the four pressing plates 34 clamp the pipe inwardly. Under the action of the rubber anti-slip strip 35, the pipe can be In order to further improve the clamping and fixing effect, the four dampers 33 can achieve a shock-absorbing effect when the pipeline vibrates. When the occluder is sleeved on the outside of the pipeline, the traction rope 46 is first pulled outward, and the lasso 47 at one end of the traction rope 46 is sleeved on the fixed pile 48, thereby fixing the traction rope 46 and the piston 45. This process causes the airbag 42 to shrink. After the pipeline and the occluder are installed, the lasso 47 is removed. Under the reset action of the spring 410, the piston 45 slides forward, thereby inflating the airbag 42 to ensure the sealing effect between the pipeline and the occluder.

[0043] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A reserved opening blocking device, comprising a chassis (1), characterized in that: The front end of the chassis (1) is fixedly connected to a cylinder (2), a limiting structure (3) is fixedly installed on the front of the chassis (1), and a sealing structure (4) is fixedly installed on the outside of the cylinder (2).

2. A reserved opening blocking device according to claim 1, characterized in that: The limiting structure (3) comprises four slide grooves (31), and the four slide grooves (31) are respectively arranged at four positions of the upper, lower, left and right of the front end of the chassis (1); the interiors of the four slide grooves (31) are fixedly connected with slide rods (32); the adjacent ends of the four slide rods (32) extend into the interior of the cylinder (2); and the adjacent ends of the four slide rods (32) are fixedly connected with dampers (33).

3. A reserved opening blocking device according to claim 2, characterized in that: The output ends of the four dampers (33) are all fixedly connected to a pressing plate (34), and the adjacent sides of the four pressing plates (34) are all fixedly connected to a rubber anti-slip strip (35).

4. A reserved opening blocking device according to claim 2, characterized in that: The front ends of the four slide bars (32) are fixedly connected to round rods (36) at positions far from each other, and the outer wall of the cylinder (2) is rotatably connected to a rotating disk (37) at a position close to the chassis (1). The front end of the rotating disk (37) is provided with four inclined slot holes (38) penetrating the rotating disk (37), and the interiors of the four inclined slot holes (38) are respectively slidably connected to the outer walls of the four slide bars (32).

5. A reserved opening blocking device according to claim 4, characterized in that: A circular ring (311) is fixedly connected to the middle of the outer wall of the cylinder (2); a worm (310) is rotatably connected to the bottom of the rear end of the circular ring (311); a worm wheel (39) is fixedly connected to the front end of the rotating disk (37); the worm wheel (39) is located outside the cylinder (2); the outer wall of the worm wheel (39) is meshedly connected to the outer wall of the worm (310); the front end of the worm (310) extends out of the bottom of the front end of the circular ring (311); and the front end of the worm (310) is fixedly connected to a handle (312).

6. A reserved opening blocking device according to claim 1, characterized in that: The sealing structure (4) comprises a circular frame (41), the rear end of the circular frame (41) is fixedly connected to the front end of the cylinder (2), and the interior of the circular frame (41) is fixedly connected to an air bag (42).

7. A reserved opening blocking device according to claim 6, characterized in that: The top of the rear end of the circular frame (41) is fixedly connected to an air tube (43), the front end of the air tube (43) extends to the interior of the air bag (42), the rear end of the air tube (43) is fixedly connected to a rectangular box (44), the rear end of the rectangular box (44) is fixedly connected to the top of the front end of the circular ring (311), the interior of the rectangular box (44) is slidably connected to a piston (45), the rear end of the piston (45) is fixedly connected to a traction rope (46) and a spring (410), the spring (410) is located outside the front end of the traction rope (46), and the rear end of the traction rope (46) extends out of the rear end of the rectangular box (44).

8. A reserved opening blocking device according to claim 7, characterized in that: The rear end of the traction rope (46) is fixedly connected to a lasso (47), the front part of the top end of the rectangular box (44) is fixedly connected to a fixing pile (48), the rear part of the rectangular box (44) is rotatably connected to two rotating rods (49), and the outer walls of the two rotating rods (49) are overlapped with the outer wall of the traction rope (46).

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