Environment-friendly and efficient sand screening device for house construction

Abstract

The utility model discloses an environment-friendly and efficient sand screening device for house construction, and relates to the technical field of sand screening devices. The environment-friendly and efficient sand screening device for house construction comprises a supporting frame, supporting blocks are fixedly connected to the outer wall of the supporting frame, rolling wheels are fixedly connected to the outer wall of the bottom end of the supporting frame, a screening plate is hinged to the inner walls of the supporting blocks, a cylinder is slidably connected to the inner wall of the supporting frame, and a bottom plate is fixedly connected to the outer wall of the cylinder. The cylinder, the connecting rod, the bottom plate and the sliding block are arranged, the cylinder slides along the inner wall of the supporting frame, the bottom plate is driven to vertically move, meanwhile, the sliding block is driven to slide along the inner wall of the supporting frame, the connecting rod is made to move, the cylinder slides along the inner wall of the supporting frame, the connecting rod is driven to move, and the cylinder slides along the inner wall of the supporting frame. And the supporting frame is fixedly supported, the fixed supporting effect is relieved, the height of the supporting frame is adjusted, and the working efficiency and functionality of the sand screening device are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of sand screening devices, in particular to an environmentally friendly and efficient sand screening device for building construction. Background Art

[0002] In the process of house construction, sand is usually needed. Since the particle size of sand is not completely uniform, screening can help control the size distribution of sand particles. Depending on the specific purpose, house construction may require sand of different particle sizes. Through screening, suitable sand can be selected to ensure the quality and performance of concrete, mortar and other building materials.

[0003] Common sand screening devices, such as publication number CN217646828U, discloses a high-efficiency sand screening device for housing construction projects. By adjusting the rotation angle of the adjustment frame, different heights of support for the right end of the screen plate are achieved, making it more convenient to adjust the screening angle of the screen plate. When not in use, the adjustment frame is rotated to a horizontal state, and the screen plate is also rotated to a horizontal state, completing the folding of the sand screening device and reducing the occupied space.

[0004] However, considering that when fixing the mobile frame, it is necessary to drive the multiple sets of pads to move downward by screwing the multiple sets of screws multiple times to fix and support the mobile frame, and when the mobile frame needs to be moved, it is necessary to reversely screw the multiple sets of screws multiple times to release the multiple sets of pads from fixing and supporting the mobile frame, which makes it more cumbersome to move or fix the mobile frame, thereby reducing the working efficiency of the environmentally friendly and efficient sand screening device for house construction. Utility Model Content

[0005] 1. Technical issues to be solved

[0006] In view of the deficiencies in the prior art, the utility model provides an environmentally friendly and efficient sand screening device for house construction, which solves the problem mentioned in the above background technology that when fixing the mobile frame, it is necessary to drive multiple sets of screws to move downward by screwing multiple sets of pads for fixed support of the mobile frame, and when the mobile frame needs to be moved, it is necessary to screw the multiple sets of screws in reverse multiple times so that the multiple sets of pads release the fixed support effect of the mobile frame, which makes it more cumbersome when the mobile frame needs to be moved or fixed, thereby reducing the working efficiency of the environmentally friendly and efficient sand screening device for house construction.

[0007] (II) Technical solution

[0008] To achieve the above objectives, the utility model is implemented through the following technical solutions: an environmentally friendly and efficient sand screening device for house construction, comprising a support frame, the outer wall of the support frame is fixedly connected to a support block, the outer wall of the bottom end of the support frame is fixedly connected to a roller, the inner wall of the support block is hinged with a screen plate, the inner wall of the support frame is slidably connected to a cylinder, the outer wall of the cylinder is fixedly connected to a bottom plate, the outer wall of the bottom plate is hinged with a connecting rod, the outer wall of the connecting rod is hinged with a slider, the outer wall of the slider is slidably connected to the inner wall of the support frame, the outer wall of the support frame is fixedly connected to a block, the inner wall of the block is elastically connected to the limiting block through a limiting spring, the outer wall of the limiting block is fixedly connected to a pull rod, the outer wall of the pull rod penetrates and is slidably connected to the inner wall of the block, and a limiting groove is provided on the outer wall of the cylinder.

[0009] Preferably, the outer wall of the support frame is fixedly connected to a guide rod, the outer wall of the guide rod is slidably connected to a ring, the outer wall of the ring is hinged to the support rod, the outer wall of the support rod is hinged to the outer wall of the screen plate, and the outer wall of the guide rod is provided with a slot.

[0010] Preferably, one end of the limit spring is fixedly connected to the inner wall of the block, and the other end of the limit spring is fixedly connected to the outer wall of the limit block.

[0011] Preferably, the limiting grooves are provided in a plurality of groups, and the plurality of groups of limiting grooves are evenly distributed along the center line of the outer wall of the cylinder.

[0012] Preferably, the inner wall of the circular ring is elastically connected to a clamping block via a compression spring, the outer wall of the clamping block is fixedly connected to a handle, and the outer wall of the handle penetrates and is slidably connected to the inner wall of the circular ring.

[0013] Preferably, the outer wall of the limiting block is slidably connected to the inner wall of the block, and the outer wall of the limiting block is snap-fitted to the inner wall of the limiting groove.

[0014] Preferably, one end of the compression spring is fixedly connected to the inner wall of the ring, and the other end of the compression spring is fixedly connected to the outer wall of the block.

[0015] Preferably, the outer wall of the clamping block is slidably connected to the inner wall of the ring, and the outer wall of the clamping block is clamped to the inner wall of the clamping groove.

[0016] (III) Beneficial effects

[0017] The utility model provides an environmentally friendly and efficient sand screening device for house construction. It has the following beneficial effects:

[0018] (1) When the environmentally friendly and efficient sand screening device for house construction is in use, it is provided with a cylinder, a connecting rod, a bottom plate, and a sliding block. The cylinder slides along the inner wall of the support frame, driving the bottom plate to move vertically, and at the same time driving the sliding block to slide along the inner wall of the support frame, so that the connecting rod moves, the support frame is fixed and released, and the height of the support frame is adjusted at the same time, thereby improving the working efficiency and functionality of the sand screening device.

[0019] (2) When the environmentally friendly and efficient sand screening device for house construction is in use, a guide rod, a circular ring, and a support rod are provided. The circular ring slides along the outer wall of the guide rod to drive the support rod to move, so that the screen plate rotates a certain angle at the hinge point, so that the screen plate reaches an inclined or horizontal state, avoiding the need for workers to lift the screen plate by hand for support, thereby improving the working efficiency of the screen plate. At the same time, the sand screening device screens sand through manpower, thereby achieving an environmentally friendly effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the main structure of the device of the utility model;

[0021] Figure 2 This is a schematic diagram of the cross-sectional structure of the support frame of the utility model device;

[0022] Figure 3 This is a schematic diagram of the cross-sectional structure of the device block of the utility model;

[0023] Figure 4 It is a schematic diagram of the circular ring cross-sectional structure of the device of the utility model.

[0024] In the figure: 1. support frame; 2. sieve plate; 3. support block; 4. roller; 5. guide rod; 6. slot; 7. ring; 8. support rod; 9. connecting rod; 10. cylinder; 11. bottom plate; 12. block; 13. slider; 14. limit slot; 15. limit spring; 16. limit block; 17. pull rod; 18. compression spring; 19. block; 20. handle. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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] See also Figure 1-Figure 4The utility model provides an environmentally friendly and efficient sand screening device for house construction, including a support frame 1, the outer wall of the support frame 1 is fixedly connected with a support block 3, and the left position of the screen plate 2 is supported and limited by the support block 3, and the outer wall of the bottom end of the support frame 1 is fixedly connected with a roller 4, which is convenient for the staff to move the support frame 1, and the inner wall of the support block 3 is hinged with a screen plate 2, and the screen plate 2 is rotated at a certain angle around the hinge point to make the screen plate 2 tilt to screen the sand or fold it in a horizontal state to reduce the occupied space, and the inner wall of the support frame 1 is slidably connected with a cylinder 10, and the cylinder 10 is used to It slides along the inner wall of the support frame 1, driving the bottom plate 11 to move vertically. The outer wall of the cylinder 10 is fixedly connected to the bottom plate 11, and contacts the ground through the bottom plate 11, so as to support and fix the support frame 1. The outer wall of the bottom plate 11 is hinged with a connecting rod 9, and the vertical movement effect of the bottom plate 11 drives the connecting rod 9 to move. The outer wall of the connecting rod 9 is hinged with a slider 13, and the movement effect of the connecting rod 9 drives the slider 13 to slide along the inner wall of the support frame 1, so that the slider 13 can achieve the effect of auxiliary support for the connecting rod 9, and the outer wall of the slider 13 is slidably connected to the inner wall of the support frame 1.

[0027] The outer wall of the support frame 1 is fixedly connected to a block 12, and the inner wall of the block 12 is elastically connected to a limit block 16 through a limit spring 15. Through the elastic force of the limit spring 15, the limit block 16 always maintains a clamping effect with the limit groove 14 when not affected by external force, thereby limiting the cylinder 10. The outer wall of the limit block 16 is fixedly connected to a pull rod 17, and the outer wall of the pull rod 17 penetrates and is slidably connected to the inner wall of the block 12. The pull rod 17 slides along the inner wall of the block 12, driving the limit block 16 to slide along the inner wall of the block 12. The outer wall of the cylinder 10 is provided with a limit groove 14.

[0028] The outer wall of the support frame 1 is fixedly connected to a guide rod 5, and the outer wall of the guide rod 5 is slidably connected to a ring 7. The ring 7 slides along the outer wall of the guide rod 5 to drive the support rod 8 to move. The outer wall of the ring 7 is hinged to the support rod 8. The movement of the support rod 8 drives the sieve plate 2 to rotate to adjust the right side height position of the sieve plate 2. The outer wall of the support rod 8 is hinged to the outer wall of the sieve plate 2. The outer wall of the guide rod 5 is provided with a card slot 6. By providing multiple groups of card slots 6, the card slots 6 and the card blocks 19 can be connected at different positions, thereby limiting the ring 7 at different positions.

[0029] One end of the limit spring 15 is fixedly connected to the inner wall of the block 12, and the other end of the limit spring 15 is fixedly connected to the outer wall of the limit block 16. The limit block 16 is kept fixed by the fixed connection effect of the limit spring 15, the block 12 and the limit block 16, and the limit block 16 is prevented from falling off, which affects the clamping effect between the limit block 16 and the limit groove 14. There are multiple groups of limit grooves 14, and the multiple groups of limit grooves 14 are evenly distributed along the center line of the outer wall of the cylinder 10. By setting up multiple groups of limit grooves 14, the limit grooves 14 and the limit blocks 16 can be clamped at different positions, and the cylinder 10 can be limited at different positions.

[0030] The inner wall of the circular ring 7 is elastically connected with a clamping block 19 through a compression spring 18. Through the elastic force of the compression spring 18, the clamping block 19 always maintains the clamping effect with the clamping groove 6 when not affected by external force, so as to limit the circular ring 7. The outer wall of the clamping block 19 is fixedly connected with a handle 20. The outer wall of the handle 20 penetrates and is slidably connected with the inner wall of the circular ring 7. The handle 20 slides along the inner wall of the circular ring 7 to drive the clamping block 19 to slide along the inner wall of the circular ring 7. The outer wall of the limit block 16 is slidably connected with the inner wall of the block 12. The limit block 16 slides along the inner wall of the block 12 to clamp or release the clamping effect of the limit block 16 and the limit groove 14. The outer wall of the limit block 16 is clamped with the inner wall of the limit groove 14. Through the clamping effect of the limit block 16 and the limit groove 14, the block 12 limits the cylinder 10.

[0031] One end of the compression spring 18 is fixedly connected to the inner wall of the circular ring 7, and the other end of the compression spring 18 is fixedly connected to the outer wall of the block 19. The fixed connection effect of the compression spring 18, the circular ring 7 and the block 19 keeps the block 19 fixed to prevent the block 19 from falling off and affecting the clamping effect between the block 19 and the slot 6. The outer wall of the block 19 is slidably connected to the inner wall of the circular ring 7, and the block 19 slides along the inner wall of the circular ring 7 to clamp or release the clamping effect between the block 19 and the slot 6. The outer wall of the block 19 is clamped to the inner wall of the slot 6, and the clamping effect between the block 19 and the slot 6 allows the guide rod 5 to limit the circular ring 7.

[0032] In the utility model, when in use, the staff pulls the pull rod 17 to the right, and the pull rod 17 drives the limit block 16 to slide to the right along the inner wall of the block 12, so that the limit block 16 releases the clamping effect with the limit groove 14, and at the same time, the block 12 releases the limiting effect on the cylinder 10, and the staff slides the cylinder 10 upward along the inner wall of the support frame 1, and drives the bottom plate 11 to move upward through the cylinder 10, so that the bottom plate 11 is released from the contact effect with the ground, and at the same time drives the slider 13 to slide along the inner wall of the support frame 1 to the two sides of the support frame 1, drives the connecting rod 9 to move, so that the bottom plate 11 and the connecting rod 9 are folded, and the pull rod 17 is released, so that the limit block 16 is clamped with the limit groove 14 under the elastic force of the limit spring 15, so that the block 12 limits the cylinder 10 and keeps the bottom plate 11 fixed.

[0033] The roller 4 facilitates the staff to move the support frame 1, and moves the screen plate 2 to the position where sand needs to be screened. The staff pulls the pull rod 17 to the right to make the cylinder 10 slide downward along the inner wall of the support frame 1, driving the bottom plate 11 to move downward, and the slider 13 slides along the inner wall of the support frame 1 to approach the cylinder 10, driving the connecting rod 9 to move, and the support frame 1 is auxiliary supported, so that the bottom plate 11 contacts the ground, and the support frame 1 is fixed. At the same time, the height of the support frame 1 is adjusted, and the pull rod 17 is loosened to keep the support frame 1 The staff then pulls the handle 20 outwards, and drives the block 19 to slide along the inner wall of the circular ring 7 through the handle 20, so that the block 19 releases the clamping effect with the clamping groove 6, and at the same time, the guide rod 5 releases the limiting effect on the circular ring 7. The staff then slides the circular ring 7 to the left along the outer wall of the guide rod 5 to move the support rod 8, and adjusts the height position of the right side of the sieve plate 2 to tilt the sieve plate 2 at a certain angle. The handle 20 is then released to keep the sieve plate 2 fixed for screening sand. At the same time, sand is screened by manpower to achieve an environmentally friendly effect.

[0034] When the sieve plate 2 is used, the staff pulls the handle 20 outwards to release the limiting effect of the guide rod 5 on the ring 7, and slides the ring 7 to the right along the outer wall of the guide rod 5 to drive the support rod 8 to move. The sieve plate 2 is driven to rotate downward by the support rod 8 to make the sieve plate 2 reach a horizontal state, and the sieve plate 2 is folded. The handle 20 is released, and the block 19 is engaged with the slot 6 under the elastic force of the compression spring 18, so that the guide rod 5 limits the ring 7 and keeps the sieve plate 2 fixed.

[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. An environmentally friendly and efficient sand screening device for house construction, comprising a support frame (1), characterized in that: The outer wall of the support frame (1) is fixedly connected to a support block (3), the outer wall of the bottom end of the support frame (1) is fixedly connected to a roller (4), the inner wall of the support block (3) is hingedly connected to a screen plate (2), the inner wall of the support frame (1) is slidably connected to a cylinder (10), the outer wall of the cylinder (10) is fixedly connected to a bottom plate (11), the outer wall of the bottom plate (11) is hingedly connected to a connecting rod (9), and the outer wall of the connecting rod (9) is hingedly connected to a slider (13). The outer wall of the slider (13) is slidably connected to the inner wall of the support frame (1), the outer wall of the support frame (1) is fixedly connected to a block (12), the inner wall of the block (12) is elastically connected to a limit block (16) via a limit spring (15), the outer wall of the limit block (16) is fixedly connected to a pull rod (17), the outer wall of the pull rod (17) penetrates and is slidably connected to the inner wall of the block (12), and a limit groove (14) is provided on the outer wall of the cylinder (10).

2. An environmentally friendly and efficient sand screening device for house construction according to claim 1, characterized in that: The outer wall of the support frame (1) is fixedly connected to a guide rod (5), the outer wall of the guide rod (5) is slidably connected to a ring (7), the outer wall of the ring (7) is hinged to a support rod (8), the outer wall of the support rod (8) is hinged to the outer wall of the sieve plate (2), and the outer wall of the guide rod (5) is provided with a slot (6).

3. The environmentally friendly and efficient sand screening device for house construction according to claim 1, characterized in that: One end of the limit spring (15) is fixedly connected to the inner wall of the block (12), and the other end of the limit spring (15) is fixedly connected to the outer wall of the limit block (16).

4. The environmentally friendly and efficient sand screening device for house construction according to claim 1, characterized in that: The limiting grooves (14) are provided in a plurality of groups, and the plurality of groups of limiting grooves (14) are evenly distributed along the center line of the outer wall of the cylinder (10).

5. The environmentally friendly and efficient sand screening device for house construction according to claim 2, characterized in that: The inner wall of the circular ring (7) is elastically connected to a clamping block (19) via a compression spring (18); the outer wall of the clamping block (19) is fixedly connected to a handle (20); the outer wall of the handle (20) penetrates the inner wall of the circular ring (7) and is slidably connected.

6. The environmentally friendly and efficient sand screening device for house construction according to claim 3, characterized in that: The outer wall of the limit block (16) is slidably connected to the inner wall of the block (12), and the outer wall of the limit block (16) is snap-fitted to the inner wall of the limit groove (14).

7. The environmentally friendly and efficient sand screening device for house construction according to claim 5, characterized in that: One end of the compression spring (18) is fixedly connected to the inner wall of the ring (7), and the other end of the compression spring (18) is fixedly connected to the outer wall of the clamping block (19).

8. The environmentally friendly and efficient sand screening device for house construction according to claim 7, characterized in that: The outer wall of the clamping block (19) is slidably connected to the inner wall of the circular ring (7), and the outer wall of the clamping block (19) is clamped to the inner wall of the clamping groove (6).

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