Foundation pit protection device

Abstract

The utility model relates to the technical field of foundation pit protection devices, in particular to a foundation pit protection device which comprises a first baffle, a second baffle, a folding mechanism and a handle. One side of the first baffle plate is rotatably connected with a second baffle plate through a hinge, and the front parts of the first baffle plate and the second baffle plate are connected with folding mechanisms; the foundation pit protection device has the beneficial effects that a telescopic rod is shortened to be stored in a supporting groove, then the supporting groove is folded to the front portion of a first baffle and the front portion of a second baffle, a trigger piece is pulled out of a first C-shaped buckle, the trigger piece is rotated to be inserted into a second C-shaped buckle, and finally the first baffle and the second baffle are rotated to be folded together, so that the occupied space is reduced; the foundation pit protection device is convenient to carry by aligning one group of cylinders with the other group of vertical cylinders, then rotating a shifting rod to move away from a barrier strip, pulling a vertical rod to move downwards by a tension spring, and inserting an L-shaped rod into the other group of vertical cylinders, so that the foundation pit protection device is convenient to splice.

Description

Technical Field

[0001] The utility model relates to the technical field of foundation pit protection devices, in particular to a foundation pit protection device. Background Art

[0002] When excavating a foundation pit, a foundation pit protection device is usually used to surround the foundation pit to prevent falling into the foundation pit, or to surround the inner edge of the foundation pit to prevent the outer soil layer from collapsing. The existing foundation pit protection device still has certain defects when used, such as;

[0003] The existing foundation pit protection device is usually a baffle of fixed size, and the legs are installed with tools. When the construction site is changed, it needs to be disassembled and reassembled, which takes up more space. In addition, when splicing, the existing foundation pit protection device usually uses tools and connecting components for splicing, which is inefficient. Utility Model Content

[0004] The purpose of the utility model is to provide a foundation pit protection device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a foundation pit protection device, comprising: a first baffle, a second baffle, a folding mechanism and a handle;

[0006] One side of the first baffle is rotatably connected to the second baffle through a hinge, the front parts of the first baffle and the second baffle are both connected to a folding mechanism, and the upper surfaces of the first baffle and the second baffle are both connected to a handle;

[0007] A docking mechanism is connected to one side of the first baffle and the second baffle.

[0008] Preferably, the folding mechanism includes: a first ear, a supporting groove, a telescopic rod, a slot, a storage groove, a slot, a first tooth plate, a driving gear, a driven gear, a second tooth plate, a limiting groove, a limiting rod, a rotating shaft, a trigger, a first C-shaped buckle and a second C-shaped buckle, the front parts of the first baffle plate and the second baffle plate are both connected to the first ear by screws, the first ear is rotatably connected to the supporting groove, the supporting groove is rotatably connected to the telescopic rod, the front parts of the first baffle plate and the second baffle plate are both provided with a slot, and one end of the telescopic rod is engaged in the slot.

[0009] Preferably, a receiving groove is provided on one side of the second baffle plate, a slot is provided on one side of the first baffle plate, a first tooth plate is engaged in the slot, the first tooth plate is slidably connected in the receiving groove, and a driving gear is meshedly connected at the bottom of the first tooth plate, the driving gear is rotatably connected to the inner wall of the receiving groove, and a driven gear is meshedly connected below the driving gear, the driven gear is rotatably connected to the inner wall of the receiving groove, and a second tooth plate is meshedly connected below the driven gear, and the second tooth plate is engaged in the slot.

[0010] Preferably, the first tooth plate and the second tooth plate are both provided with a limiting groove, a limiting rod is slidably connected in the limiting groove, and the limiting rod is connected to the inner wall of the storage groove.

[0011] Preferably, the front part of the driving gear is connected with a rotating shaft, the rotating shaft penetrates and rotates on the inner wall of the storage groove, and the front part of the rotating shaft is rotatably connected with a trigger;

[0012] The front part of the second baffle plate close to the rotating shaft is connected with a first C-shaped buckle and a second C-shaped buckle, and the trigger is engaged in the first C-shaped buckle.

[0013] Preferably, the docking mechanism includes: a vertical tube, a cylinder, an L-shaped groove, a cavity, a tension spring, a vertical rod, a through cavity, an L-shaped rod, a through groove, a second ear, a lever and a baffle, the second baffle is connected to the vertical tube on a side away from the first baffle, the first baffle is connected to the cylinder on a side away from the second baffle, and an L-shaped groove is provided in the cylinder.

[0014] Preferably, a cavity is defined in the first baffle, a tension spring is connected to the inner wall of the cavity, a vertical rod is connected to the top of the tension spring, and a through cavity is defined on one side of the tension spring, an L-shaped rod is slidably connected in the through cavity, the L-shaped rod is slidably connected in the L-shaped groove, and the L-shaped rod is connected to one side of the vertical rod.

[0015] Preferably, a through slot is provided at the front of the cavity, a second ear is slidably connected in the through slot, a lever is rotatably connected in the second ear, a baffle is abutted under the lever, and the baffle is fixedly connected to the front of the first baffle.

[0016] Compared with the prior art, the beneficial effects of the utility model are: the foundation pit protection device is constructed by shortening the telescopic rod and storing it in the support groove, then folding the support groove to the front of the first baffle and the second baffle, then pulling the trigger out of the first C-shaped buckle, rotating the trigger and inserting it into the second C-shaped buckle, and finally rotating the first baffle and the second baffle to fold together, thereby reducing the occupied space and making it easier to carry the foundation pit protection device, by aligning one group of cylinders with the other group of vertical cylinders, and then rotating the lever to move away from the baffle bar, the tension spring pulls the vertical rod downward, and inserts the L-shaped rod into the other group of vertical cylinders, thereby facilitating the splicing of the foundation pit protection device.

[0017] The foundation pit protection device proposed by the utility model has the following specific contents:

[0018] 1. By shortening the telescopic rod, pull it out of the card slot and put it into the support slot, then fold the two sets of rotating support slots to the front of the first baffle plate and the second baffle plate respectively, then pull the trigger out of the first C-shaped buckle, rotate the trigger to drive the active gear to rotate, the active gear drives the driven gear, pull the two sets of first tooth plates and the second tooth plates out of the slots, put them into the storage slot, then insert the trigger into the second C-shaped buckle, finally rotate the first baffle plate and the second baffle plate to fold together, carry it with the handle, reduce the occupied space, and make it easy to carry the foundation pit protection device;

[0019] 2. By aligning the two groups of the foundation pit protection devices, aligning the cylinder of one group with the vertical tube of the other group, and then rotating the lever to move it away from the baffle, the tension spring pulls the vertical rod downward, driving the L-shaped rod to insert into the vertical tube of the other group, the two groups of foundation pit protection devices are spliced ​​together, and they can rotate with each other at the same time, thereby facilitating the splicing of the foundation pit protection devices. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the storage slot of the utility model;

[0021] Figure 2 This is a schematic diagram of the card slot of the utility model;

[0022] Figure 3 This is a schematic diagram of the main view of the utility model;

[0023] Figure 4 It is a rear view schematic diagram of the utility model.

[0024] In the figure: 1. first baffle plate; 2. second baffle plate; 3. folding mechanism; 301. first ear; 302. supporting groove; 303. telescopic rod; 304. card slot; 305. storage slot; 306. slot; 307. first tooth plate; 308. driving gear; 309. driven gear; 310. second tooth plate; 311. limiting groove; 312. limiting rod; 313. rotating shaft; 314. trigger; 315. first C-shaped buckle; 316. second C-shaped buckle; 4. handle; 5. docking mechanism; 501. vertical tube; 502. cylinder; 503. L-shaped groove; 504. cavity; 505. tension spring; 506. vertical rod; 507. through cavity; 508. L-shaped rod; 509. through groove; 510. second ear; 511. lever; 512. baffle bar. DETAILED DESCRIPTION

[0025] In order to make the purpose and technical solution of the utility model clearly and completely described, and the advantages more clearly understood, the embodiments of the utility model are further described in detail in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all of the embodiments, and are only used to explain the embodiments of the utility model, and are not used to limit the embodiments of the utility model. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Embodiment 1

[0027] See also Figure 1-Figure 3 , the utility model provides a technical solution: a foundation pit protection device, comprising: a first baffle 1, a second baffle 2, a folding mechanism 3 and a handle 4;

[0028] One side of the first baffle 1 is connected to the second baffle 2 by a hinge, the front of the first baffle 1 and the second baffle 2 are connected to a folding mechanism 3, and the upper surfaces of the first baffle 1 and the second baffle 2 are connected to handles 4; one side of the first baffle 1 and the second baffle 2 is connected to a docking mechanism 5.

[0029] The folding mechanism 3 includes: a first ear 301, a supporting slot 302, a telescopic rod 303, a card slot 304, a storage slot 305, a slot 306, a first tooth plate 307, a driving gear 308, a driven gear 309, a second tooth plate 310, a limiting slot 311, a limiting rod 312, a rotating shaft 313, a trigger 314, a first C-shaped buckle 315 and a second C-shaped buckle 316. The front parts of the first baffle 1 and the second baffle 2 are both connected to the first ear 301 by screws, and the first baffle 1 and the second baffle 2 are connected to the first ear 301 by screws. A support groove 302 is rotatably connected in one ear 301, a telescopic rod 303 is rotatably connected in the support groove 302, a slot 304 is provided at the front of the first baffle 1 and the second baffle 2, one end of the telescopic rod 303 is engaged in the slot 304, a storage groove 305 is provided on one side of the second baffle 2, a slot 306 is provided on one side of the first baffle 1, a first tooth plate 307 is engaged in the slot 306, the first tooth plate 307 is slidably connected in the storage groove 305, and the first The bottom of the toothed plate 307 is meshedly connected with a driving gear 308, which is rotatably connected to the inner wall of the receiving groove 305, and the lower part of the driving gear 308 is meshedly connected with a driven gear 309, which is rotatably connected to the inner wall of the receiving groove 305, and the lower part of the driven gear 309 is meshedly connected with a second toothed plate 310, which is engaged in the slot 306, and the first toothed plate 307 and the second toothed plate 310 are both provided with a limiting groove 306. 11. A limiting rod 312 is slidably connected in the limiting groove 311, and the limiting rod 312 is connected to the inner wall of the storage groove 305. The front part of the driving gear 308 is connected to a rotating shaft 313, and the rotating shaft 313 penetrates and rotates on the inner wall of the storage groove 305, and the front part of the rotating shaft 313 is rotatably connected to a trigger 314; the front part of the second baffle 2 close to the rotating shaft 313 is connected to a first C-shaped buckle 315 and a second C-shaped buckle 316, and the trigger 314 is engaged in the first C-shaped buckle 315.

[0030] In order to facilitate carrying the foundation pit protection device, the telescopic rod 303 is shortened and pulled out from the card slot 304 and put into the support slot 302, and then the two groups of rotating support slots 302 are folded to the front of the first baffle plate 1 and the second baffle plate 2 respectively, and the support structure is folded and stored. The card slot 304 is provided with multiple groups in front of the first baffle plate 1 and the second baffle plate 2. The telescopic rod 303 can be inserted into the card slots 304 of different heights to adjust the support position, and then the trigger 314 is pulled out from the first C-shaped buckle 315, and the trigger 314 is rotated to drive the rotating shaft 313 to rotate, and the rotating shaft 313 drives the main The movable gear 308 rotates, and the active gear 308 drives the driven gear 309 to pull the first tooth plate 307 and the second tooth plate 310 out of the slot 306 and store them in the storage slot 305. At this time, the limiting rod 312 slides in the limiting slot 311 to prevent the first tooth plate 307 and the second tooth plate 310 from falling off from the storage slot 305. Then the trigger 314 is inserted into the second C-shaped buckle 316, and the first tooth plate 307 and the second tooth plate 310 extend out of the storage slot 305. Finally, the first baffle 1 and the second baffle 2 are rotated to fold together to reduce the occupied space and can be carried with the handle 4.

[0031] Embodiment 2

[0032] See also Figure 1 , Figure 3 and Figure 4 It can be seen that the docking mechanism 5 includes: a vertical cylinder 501, a cylinder 502, an L-shaped groove 503, a cavity 504, a tension spring 505, a vertical rod 506, a through cavity 507, an L-shaped rod 508, a through groove 509, a second ear 510, a lever 511 and a baffle 512. The vertical cylinder 501 is connected to the side of the second baffle 2 away from the first baffle 1, and the cylinder 502 is connected to the side of the first baffle 1 away from the second baffle 2. The cylinder 502 is provided with an L-shaped groove 503, and the first baffle 1 is provided with a cavity 504. The inner wall of the cavity 504 is connected with a tension spring 505. A vertical rod 506 is connected to the top of the tension spring 505, and a through cavity 507 is opened on one side of the tension spring 505, an L-shaped rod 508 is slidably connected in the through cavity 507, the L-shaped rod 508 is slidably connected in the L-shaped groove 503, and the L-shaped rod 508 is connected to one side of the vertical rod 506, a through groove 509 is opened at the front of the cavity 504, a second ear 510 is slidably connected in the through groove 509, a lever 511 is rotatably connected in the second ear 510, a blocking bar 512 is abutted at the bottom of the lever 511, and the blocking bar 512 is fixedly connected to the front of the first baffle 1.

[0033] On the basis of Example 1, in order to achieve rapid splicing of the foundation pit protection device, the two groups of the foundation pit protection devices are aligned, the cylinder 502 of one group is aligned with the vertical tube 501 of the other group, and then the lever 511 is rotated to move away from the baffle 512, and the tension spring 505 pulls the vertical rod 506 to move downward, driving the second ear 510 to slide in the through groove 509, and at the same time driving the L-shaped rod 508 to slide in the through cavity 507 and the L-shaped groove 503, and inserting the L-shaped rod 508 into the vertical tube 501 of the other group, and the two groups of foundation pit protection devices are spliced ​​together. At the same time, they can rotate with each other to surround the foundation pit, which is convenient for splicing the foundation pit protection device. When disassembling, the lever 511 is pushed up to drive the vertical rod 506 to stretch the tension spring 505, and the L-shaped rod 508 is pulled out of the vertical tube 501 of the other group, and then the lever 511 is rotated to the baffle 512 to prevent downward movement, and the two groups of the foundation pit protection devices are separated and disassembled.

[0034] In actual use, the first baffle plate 1 and the second baffle plate 2 are rotated to be flush, the trigger handle 314 is pulled out from the second C-shaped buckle 316, rotated to the front of the first C-shaped buckle 315 and inserted into the first C-shaped buckle 315, at this time, the first tooth plate 307 and the second tooth plate 310 are inserted into the slot 306, the first baffle plate 1 and the second baffle 2 are limited, the first ear 301 is rotated and placed on the ground, the telescopic rod 303 is rotated out and extended and inserted into the slot 304, the foundation pit protection device is unfolded, and then the two groups of the foundation pit protection devices are aligned, the cylinder 502 of one group is aligned with the vertical cylinder 501 of the other group, the rotating lever 511 is moved away from the baffle bar 512, and the L-shaped rod 508 is driven to insert into the vertical cylinder 501, and so on, multiple groups of the foundation pit protection devices are spliced, and then rotated to drive one group of cylinders 502 to rotate on the vertical cylinder 501 of the other group, so as to surround the foundation pit for protection.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A foundation pit protection device, comprising: The first baffle (1), the second baffle (2), the folding mechanism (3) and the handle (4) are characterized in that: One side of the first baffle (1) is rotatably connected to the second baffle (2) via a hinge, the front parts of the first baffle (1) and the second baffle (2) are both connected to a folding mechanism (3), and the upper surfaces of the first baffle (1) and the second baffle (2) are both connected to a handle (4); A docking mechanism (5) is connected to one side of the first baffle plate (1) and the second baffle plate (2).

2. A foundation pit protection device according to claim 1, characterized in that: The folding mechanism (3) comprises: a first ear (301), a supporting groove (302), a telescopic rod (303), a clamping groove (304), a storage groove (305), a slot (306), a first tooth plate (307), a driving gear (308), a driven gear (309), a second tooth plate (310), a limiting groove (311), a limiting rod (312), a rotating shaft (313), a trigger (314), a first C-shaped buckle (315) and a second C-shaped buckle (316); the front parts of the first baffle plate (1) and the second baffle plate (2) are both connected to the first ear (301) by screws; the first ear (301) is rotatably connected to the supporting groove (302); the telescopic rod (303) is rotatably connected to the supporting groove (302); the front parts of the first baffle plate (1) and the second baffle plate (2) are both provided with a clamping groove (304); one end of the telescopic rod (303) is clamped in the clamping groove (304).

3. A foundation pit protection device according to claim 2, characterized in that: A receiving groove (305) is provided on one side of the second baffle plate (2), and a slot (306) is provided on one side of the first baffle plate (1). A first tooth plate (307) is engaged in the slot (306). The first tooth plate (307) is slidably connected in the receiving groove (305), and a driving gear (308) is meshedly connected at the bottom of the first tooth plate (307). The driving gear (308) is rotatably connected to the inner wall of the receiving groove (305), and a driven gear (309) is meshedly connected below the driving gear (308). The driven gear (309) is rotatably connected to the inner wall of the receiving groove (305), and a second tooth plate (310) is meshedly connected below the driven gear (309), and the second tooth plate (310) is engaged in the slot (306).

4. A foundation pit protection device according to claim 3, characterized in that: The first tooth plate (307) and the second tooth plate (310) are both provided with a limiting groove (311), a limiting rod (312) is slidably connected in the limiting groove (311), and the limiting rod (312) is connected to the inner wall of the storage groove (305).

5. A foundation pit protection device according to claim 3, characterized in that: The front part of the driving gear (308) is connected to a rotating shaft (313), the rotating shaft (313) penetrates and rotates on the inner wall of the storage groove (305), and the front part of the rotating shaft (313) is rotatably connected to a trigger (314); The front portion of the second baffle plate (2) close to the rotating shaft (313) is connected with a first C-shaped buckle (315) and a second C-shaped buckle (316), and the trigger (314) is engaged in the first C-shaped buckle (315).

6. A foundation pit protection device according to claim 1, characterized in that: The docking mechanism (5) comprises: a vertical tube (501), a cylinder (502), an L-shaped groove (503), a cavity (504), a tension spring (505), a vertical rod (506), a through cavity (507), an L-shaped rod (508), a through groove (509), a second connecting ear (510), a lever (511) and a baffle (512); the vertical tube (501) is connected to a side of the second baffle (2) away from the first baffle (1); the cylinder (502) is connected to a side of the first baffle (1) away from the second baffle (2); and the L-shaped groove (503) is provided in the cylinder (502).

7. A foundation pit protection device according to claim 1, characterized in that: A cavity (504) is provided in the first baffle (1), a tension spring (505) is connected to the inner wall of the cavity (504), a vertical rod (506) is connected above the tension spring (505), and a through cavity (507) is provided on one side of the tension spring (505), an L-shaped rod (508) is slidably connected in the through cavity (507), the L-shaped rod (508) is slidably connected in the L-shaped groove (503), and the L-shaped rod (508) is connected to one side of the vertical rod (506).

8. A foundation pit protection device according to claim 7, characterized in that: A through slot (509) is provided at the front of the cavity (504), a second ear (510) is slidably connected in the through slot (509), a lever (511) is rotatably connected in the second ear (510), a blocking bar (512) is abutted below the lever (511), and the blocking bar (512) is fixedly connected to the front of the first baffle (1).

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