Jacking structure convenient to disassemble

Abstract

The structure comprises a loop bar, a guide groove is formed in the top end of the loop bar, an outer screw rod is connected to the inner side of the guide groove in a sliding mode, a supporting plate is fixedly connected to the top end of the outer screw rod, an inner thread ring is rotatably installed at the top end of the loop bar, and a positioning ring is fixedly arranged on the outer side of the loop bar in a sleeving mode. A movable ring is rotatably installed on the outer side of the positioning ring, the movable ring is connected with the internal thread ring through a connecting rod, a bevel gear ring is installed at the bottom end of the movable ring, a bevel gear is connected to the bottom end of the movable ring in a meshed mode through the bevel gear ring, and a connecting shaft is fixedly connected to one end of the bevel gear. The inner threaded ring is arranged in the sleeve, the sleeve is connected with the connecting shaft in a sleeved mode, and therefore the electric tool drives the inner threaded ring to rotate, the outer threaded rod moves upwards or downwards in the thread direction to adjust the appropriate height, and the design mode facilitates disassembling work of the jacking directly through the electric tool in the later period, and time and labor are saved.

Description

Technical Field

[0001] The utility model relates to the technical field of construction engineering, in particular to a structure for facilitating the disassembly of a jack. Background Technique

[0002] When formwork is supported during building construction, a jack structure is required to support the main beam of the formwork above the support sleeve, so as to improve the stability of the formwork during pouring through the jack, and the jack also needs to have the ability to be quickly disassembled and installed;

[0003] The existing jack generally consists of a support plate, a screw rod arranged below the support plate, and an adjusting nut arranged on the screw rod. By adjusting the relative position of the adjusting nut on the screw rod, the length of the jack screw rod inserted into the support vertical rod can be adjusted;

[0004] However, in this structural design, when installing or disassembling, it generally requires manual use of a wrench to turn the nut, which is time-consuming and laborious;

[0005] Therefore, those skilled in the art have provided a structure for facilitating the disassembly of a jack to solve the problems raised in the above background technique. Content of the Utility Model

[0006] The purpose of the utility model is to solve the deficiencies existing in the prior art, and a structure for facilitating the disassembly of a jack is proposed.

[0007] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0008] A structure for facilitating the disassembly of a jack includes a sleeve rod. A guiding groove is opened at the top end of the sleeve rod. An external screw rod is slidably connected inside the guiding groove. A support plate is fixedly connected to the top end of the external screw rod. An internal thread ring is rotatably installed at the top end of the sleeve rod, and the external screw rod is threadedly connected with the internal thread ring. A positioning ring is fixedly sleeved on the outer side of the sleeve rod. A movable ring is rotatably installed on the outer side of the positioning ring. A plurality of connecting blocks are arranged on the outer side of the internal thread ring in an annular array. A connecting rod is fixedly connected to the bottom end of the connecting block, and the bottom end of the connecting rod is connected to the top end of the movable ring. A bevel gear ring is installed at the bottom end of the movable ring, and is meshed with a bevel gear through the bevel gear ring. A connecting shaft is fixedly connected to one end of the bevel gear. A plurality of limiting blocks are arranged on the outer side of the connecting shaft in an annular array. One end of the connecting shaft is inserted into the inside of a sleeve, and the sleeve is fixedly connected to the output shaft of an external electric rotary tool. A plurality of limiting grooves corresponding to the limiting blocks are opened inside the sleeve.

[0009] Preferably, a first convex ring is installed at the top end of the sleeve rod, and the first convex ring is movably clamped at the bottom end of the internal thread ring. A second convex ring is fixedly connected to the middle part of the outer side of the positioning ring, and the second convex ring is movably clamped on the inner side surface of the movable ring.

[0010] Preferably, a receiving ring is fixedly sleeved on the outer side of the sleeve rod at a position below the positioning ring, and the edge of the receiving ring is movably sleeved on the lower side of the outer side of the movable ring. There is a cavity for the bevel gear ring and the bevel gear to move between the receiving ring and the positioning ring, and one end of the shaft of the bevel gear is rotatably clamped on the outer wall of the cavity.

[0011] Preferably, a flow channel is opened at the top end of the internal thread ring, and a silica gel plug is installed at the opening of the top end of the flow channel.

[0012] Preferably, a guide rod is installed in the middle of the inner side of the guide groove, and strip-shaped rods are fixedly connected to both sides of the guide rod. A chute is opened in the middle of the bottom end of the outer screw rod. The guide rod is slidably connected to the inner side of the chute, and strip-shaped grooves for the strip-shaped rods to slide are opened on both sides of the inner wall of the chute.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] The technical solution designed by the present utility model can connect the output shaft of an external electric rotary tool to the sleeve, and sleevedly connect the sleeve and the connecting shaft. Thus, the bevel gear is driven to rotate by the electric tool. The bevel gear will drive the internal thread ring to rotate through the transmission of the bevel gear ring, the movable ring and the connecting rod in sequence, so that the outer screw rod moves upward or downward along the thread direction to adjust the appropriate height. This design method facilitates the later disassembly work of directly jacking by an electric tool, saving time and effort. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more specifically and intuitively illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art.

[0016] Figure 1 is a schematic structural diagram proposed by the present utility model;

[0017] Figure 2 is a schematic structural diagram of the internal thread ring proposed by the present utility model;

[0018] Figure 3 is a schematic structural diagram of the connecting shaft proposed by the present utility model;

[0019] Figure 4 is a schematic top view structural diagram of the guide rod proposed by the present utility model;

[0020] Figure 5 is proposed by the present utility model Figure 1 the enlarged structural diagram at A in;

[0021] Figure 6 is proposed by the present utility model Figure 1 the enlarged structural diagram at B in.

[0022] In the figure: 1. sleeve rod; 2. guide groove; 3. external screw; 4. support plate; 5. internal thread ring; 6. positioning ring; 7. movable ring; 8. connecting block; 9. connecting rod; 10. bevel gear ring; 11. bevel gear; 12. connecting shaft; 13. connecting shaft; 14. sleeve; 15. limit groove; 16. second convex ring; 17. receiving ring; 18. flow channel; 19. silicone plug; 20. guide rod; 21. strip rod; 22. slide groove; 23. first convex ring. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0024] Reference Figures 1-6 A jacking support structure is easy to disassemble, including a sleeve rod 1, a guide groove 2 is opened at the top of the sleeve rod 1, an external screw rod 3 is slidably connected to the inner side of the guide groove 2, a support plate 4 is fixed to the top of the external screw rod 3, an internal thread ring 5 is rotatably installed on the top of the sleeve rod 1, and the external screw 3 and the internal thread ring 5 are connected by threads, a positioning ring 6 is fixedly sleeved on the outside of the sleeve rod 1, a movable ring 7 is rotatably installed on the outside of the positioning ring 6, a plurality of connecting blocks 8 distributed in a ring array are installed on the outside of the internal thread ring 5, and the bottom end of the connecting block 8 is fixedly connected to a connecting rod 9. The bottom end of the connecting rod 9 is connected to the top end of the movable ring 7. A bevel gear ring 10 is installed at the bottom end of the movable ring 7, and a bevel gear 11 is meshed with the bevel gear ring 10. One end of the bevel gear 11 is fixedly connected to a connecting shaft 12. A plurality of limit blocks 13 are installed on the outside of the connecting shaft 12 in an annular array. One end of the connecting shaft 13 is inserted into the inside of a sleeve 14, and the sleeve 14 is fixed to the output shaft of the external electric rotary tool. A plurality of limit grooves 15 corresponding to the limit blocks 13 are opened on the inside of the sleeve 14;

[0025] The above-mentioned technical solution is that the outer screw 3 and the inner threaded ring 5 are threadedly connected, and the inner threaded ring 5 is rotatably arranged at the top of the sleeve rod 1, so that the up and down movement of the outer screw 3 can be controlled by the rotation of the inner threaded ring 5, and the movable ring 7 and the inner threaded ring 5 are fixedly connected by a connecting rod 9. The bottom end of the movable ring 7 is provided with a bevel gear ring 10 meshing with the bevel gear 11, and the outer end of the bevel gear 11 is fixedly connected to a connecting shaft 13. The sleeve 14 is installed through the output shaft of an external electric rotating tool, and then the sleeve 14 is socketed with the connecting shaft 13, so that the bevel gear 11 can be driven to rotate by the external electric rotating tool. The bevel gear 11 drives the movable ring 7 and the inner threaded ring 5 to rotate through the bevel gear ring 10. The rotation of the inner threaded ring 5 will drive the outer screw 3 to move upward or downward, thereby adjusting the support height of the jacking support. This solution can complete the lifting and lowering movement of the jacking support by an electric tool, thereby facilitating the disassembly of the jacking support in the later stage.

[0026] A first convex ring 23 is installed at the top end of the sleeve rod 1, and the first convex ring 23 is movably clamped at the bottom end of the internal thread ring 5. The middle part of the outer side of the positioning ring 6 is fixedly connected with a second convex ring 16, and the second convex ring 16 is movably clamped on the inner side surface of the movable ring 7;

[0027] In the above technical solution adopted, grooves corresponding to the first convex ring 23 and the second convex ring 16 are provided at the bottom end of the internal thread ring 5 and on the inner side surface of the movable ring 7, and the first convex ring 23 or the second convex ring 16 is rotationally connected through the grooves, so as to realize the rotational installation of the internal thread ring 5 and the movable ring 7.

[0028] A receiving ring 17 is fixedly sleeved on the outer side of the sleeve rod 1 at a position below the positioning ring 6, and the edge of the receiving ring 17 is movably sleeved on the lower part of the outer side of the movable ring 7. There is a cavity for the bevel gear ring 10 and the bevel gear 11 to move between the receiving ring 17 and the positioning ring 6, and one end shaft part of the bevel gear 11 is rotationally clamped on the outer wall of the cavity;

[0029] In the above technical solution adopted, the function of the receiving ring 17 is to cover the bevel gear 11 and the bevel gear ring 10 to play a protective role. The shaft end of the bevel gear 11 is rotationally installed on the outer wall of the receiving ring 17, and the extended part of the shaft end of the bevel gear 11 is fixedly connected with the connecting shaft 13.

[0030] A flow channel 18 is provided at the top end of the internal thread ring 5, and a silica gel plug 19 is installed at the opening at the top end of the flow channel 18;

[0031] In the above technical solution adopted, through the provided flow channel, lubricating oil can be added to the contact surface between the first convex ring 23 and the internal thread ring 5 to reduce frictional damage. Similarly, a flow channel 18 can also be provided at the movable ring 7.

[0032] A guide rod 20 is installed in the middle of the inner side of the guide groove 2, and strip-shaped rods 21 are fixedly connected to both sides of the guide rod 20. A sliding groove 22 is provided in the middle of the bottom end of the outer screw rod 3. The guide rod 20 is slidably connected to the inner side of the sliding groove 22, and strip-shaped grooves for the strip-shaped rods 21 to slide are provided on both sides of the inner wall of the sliding groove 22;

[0033] In the above technical solution adopted, the functions of the guide rod 20 and the strip-shaped rods 21 are to limit the deflection of the outer screw rod 3, so that it can only move up and down along the thread direction when the internal thread ring 5 rotates.

[0034] As described above, the above is only the preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution of the present invention and its inventive concept, makes equivalent replacements or changes, and should all be covered within the protection scope of the present invention.

Claims

1. A structure for facilitating the disassembly of a top support, including a sleeve rod (1), characterized in that, A guiding groove (2) is formed at the top end of the sleeve rod (1). An external screw rod (3) is slidably connected to the inner side of the guiding groove (2). A supporting plate (4) is fixedly connected to the top end of the external screw rod (3). An internal thread ring (5) is rotatably installed at the top end of the sleeve rod (1), and the external screw rod (3) is threadedly connected to the internal thread ring (5). A positioning ring (6) is fixedly sleeved on the outer side of the sleeve rod (1). A movable ring (7) is rotatably installed on the outer side of the positioning ring (6). A plurality of connecting blocks (8) distributed in an annular array are installed on the outer side of the internal thread ring (5). A connecting rod (9) is fixedly connected to the bottom end of the connecting block (8). The bottom end of the connecting rod (9) is connected to the top end of the movable ring (7). A bevel gear ring (10) is installed at the bottom end of the movable ring (7), and is meshed with a bevel gear (11) through the bevel gear ring (10). A connecting shaft (12) is fixedly connected to one end of the bevel gear (11). A plurality of limiting blocks (13) distributed in an annular array are installed on the outer side of the connecting shaft (12). One end of the connecting shaft (13) is inserted into the inner side of a sleeve (14), and the sleeve (14) is fixedly connected to the output shaft of an external electric rotary tool. A plurality of limiting grooves (15) corresponding to the limiting blocks (13) are formed in the inner side of the sleeve (14).

2. The detachable structure of the top support according to claim 1, wherein A first convex ring (23) is installed at the top end of the sleeve rod (1), and the first convex ring (23) is movably clamped at the bottom end of the internal thread ring (5). A second convex ring (16) is fixedly connected to the middle of the outer side of the positioning ring (6), and the second convex ring (16) is movably clamped at the inner side surface of the movable ring (7).

3. The detachable structure of the jack according to claim 1, characterized in that, A receiving ring (17) is fixedly sleeved on the outer side of the sleeve rod (1) at a position below the positioning ring (6), and the edge of the receiving ring (17) movably covers the lower part of the outer side of the movable ring (7). A cavity for the bevel gear ring (10) and the bevel gear (11) to move exists between the receiving ring (17) and the positioning ring (6), and the shaft part of one end of the bevel gear (11) is rotatably clamped on the outer wall of the cavity.

4. The detachable structure of the top support according to claim 1 is characterized in that, A flow channel (18) is formed at the top end of the internal thread ring (5), and a silica gel plug (19) is installed at the opening at the top end of the flow channel (18).

5. A structure for facilitating disassembly of a top support according to claim 1, characterized in that, A guiding rod (20) is installed in the middle of the inner side of the guiding groove (2), and strip-shaped rods (21) are fixedly connected to both sides of the guiding rod (20). A sliding groove (22) is formed in the middle of the bottom end of the external screw rod (3). The guiding rod (20) is slidably connected to the inner side of the sliding groove (22), and strip-shaped grooves for the strip-shaped rods (21) to slide are formed on both sides of the inner wall of the sliding groove (22).

Images