Hand push rod for building construction

Abstract

The utility model discloses a hand push rod for building construction, which relates to the technical field of building construction support and comprises a push rod component and an adjusting component. The adjusting assembly comprises an extended adjusting unit and a resistance reducing unit; the downward extending structure of the extended adjusting unit is used for preventing the bayonet lock from interfering with the adjusting operation; and the resistance reducing unit is used for reducing the adjusting resistance of the extension type adjusting unit. By arranging the adjusting assembly with the extension rod, the rotating area of the handle is far away from the bayonet lock, interference of the bayonet lock on rotating operation of the handle is effectively avoided, meanwhile, in the rotating process of the nut, the 7-shaped ring seat can be kept still under the friction resistance effect of the bayonet lock, the 7-shaped ring seat and the nut roll through the rolling balls, and therefore the rotating operation of the nut is more stable. Relative rotation resistance can be effectively reduced, compared with a traditional direct contact friction structure of a nut and a clamping pin, rotation resistance of the nut is effectively reduced, and adjustment of the device is easier.

Description

Technical Field

[0001] This utility model relates to the field of building construction support technology, specifically to a building construction hand push rod. Background Technology

[0002] During the construction process, there will be a large number of structures that have not yet solidified or are not yet stable, which require temporary support using push rods (also known as support rods). The support components will be dismantled after solidification or stabilization.

[0003] Currently, there is a type of push rod on the market consisting of an inner tube, an outer tube, and a nut. In use, the top of the inner tube is connected to the supporting structure, and the bottom of the outer tube is connected to the foundation. The push rod has a certain adjustable range to meet the needs of different supported structures at different heights. This adjustability is mainly achieved by different fixing points of the relative positions of the inner and outer tubes. The inner tube has a row of holes with the same spacing. During on-site installation, the relative positions of the inner and outer tubes can be adjusted according to the actual required height (by moving the inner tube up and down). Then, the pin is inserted into the inner tube hole within the range of the long hole on the fine-tuning section of the outer tube. Finally, the adjusting nut is turned by the handle until the pin is tightened. This completes the installation of the push rod at a specific height.

[0004] During disassembly, simply turn the handle to loosen the pin, then remove the pin and insert the inner tube into the outer tube. This push rod has a simple structure, is easy to assemble and disassemble, and can be quickly turned over, thereby reducing construction costs.

[0005] However, in actual operation, the nut and pin are close together. When the nut is adjusted manually, the pin will interfere with the manual operation. In addition, the contact friction resistance between the nut and the pin is large, which leads to a large resistance to the rotation of the nut, making adjustment inconvenient. Based on this, a hand push rod for construction is provided. Utility Model Content

[0006] The purpose of this utility model is to provide a hand-operated push rod for building construction in order to solve the problems mentioned above.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a construction push rod, comprising a push rod assembly consisting of an outer tube, an external thread, a vertical groove, an inner tube, a locking hole, and a locking pin. The external thread is formed on the outer side of the top of the outer tube. The vertical groove is symmetrically opened on the outer side of the outer tube near the top, penetrating the area where the external thread is located. The inner tube is sleeved on the inner side of the outer tube and extends above the outer tube. The locking holes are symmetrically opened on both sides of the outer wall of the inner tube. The locking pin penetrates the vertical groove and one locking hole to limit the height of the inner tube. The outer tube is connected to an adjustment assembly via an external thread. The adjustment assembly is used to adjust and push the locking pin upward along the vertical groove to adjust the height of the locking hole.

[0008] The adjustment assembly includes an extended adjustment unit and a drag reduction unit;

[0009] The extended adjustment unit contacts the locking pin through the drag reduction unit. The height of the locking pin is adjusted by the rotation of the extended adjustment unit. The downward extension structure of the extended adjustment unit is used to avoid the locking pin interfering with the adjustment operation.

[0010] The drag reduction unit is used to reduce the adjustment resistance of the extended adjustment unit.

[0011] As a further embodiment of this utility model: the extended adjustment unit includes a nut, an extension rod, a connecting ring seat, and a handle;

[0012] The nut is threaded to the outside of the outer tube and located below the retaining pin. Multiple extension rods are provided and are fixed to the bottom of the nut in a ring. The connecting ring seat is fixed to the bottom end of the multiple extension rods and sleeved on the outside of the outer tube. The handle is rotatably connected to the outside of the connecting ring seat. By applying a deflection force to the handle, the overall rotation adjustment of the connecting ring seat, extension rods, and nut is achieved. The downward extension structure of the extension rods is used to make the rotation operation of the handle operate in the area where the retaining pin is located.

[0013] As a further improvement of this utility model: the drag reduction unit includes a 7-shaped ring seat and ball bearings;

[0014] The 7-shaped ring seat is fitted onto the outside of the nut and extends to the top of the nut. The top of the 7-shaped ring seat is in contact with the retaining pin. The ball bearings are distributed between the outside of the nut and the inside of the 7-shaped ring seat. The outside of the nut and the inside of the 7-shaped ring seat are formed with annular grooves for the ball bearings to roll. When the nut rotates, the 7-shaped ring seat and the retaining pin can remain stationary.

[0015] As a further improvement of this utility model, the inner diameter of the top of the 7-shaped ring seat is larger than the outer diameter of the external thread area.

[0016] As a further embodiment of this utility model: a limiting protrusion is formed on the outer side of the outer tube below the external thread, and the limiting protrusion is used to limit the downward movement of the nut.

[0017] As a further improvement of this utility model, the inner diameter of the distribution trajectory of the plurality of extension rods and the inner diameter of the connecting ring seat are greater than the outer diameter of the limiting protrusion.

[0018] Compared with the prior art, the beneficial effects of this utility model are:

[0019] By incorporating an adjustment component with an extension rod, the rotation area of ​​the handle is moved away from the retaining pin, effectively preventing the retaining pin from interfering with the rotation of the handle. Simultaneously, during the rotation of the nut, the 7-shaped ring seat remains stationary due to the frictional resistance of the retaining pin. Furthermore, the rolling of the balls between the 7-shaped ring seat and the nut effectively reduces relative rotational resistance. Compared to the traditional structure where the nut and retaining pin directly contact and rub against each other, this design effectively reduces the rotational resistance of the nut, making the adjustment of the device easier. Attached Figure Description

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

[0021] Figure 2 This is an exploded view of the structure of this utility model;

[0022] Figure 3 This is a cross-sectional view of the adjustment component of this utility model.

[0023] In the diagram: 1. Push rod assembly; 101. Outer tube; 102. External thread; 103. Vertical slot; 104. Limiting ring; 105. Inner tube; 106. Locking hole; 107. Locking pin; 2. Adjustment assembly; 201. Nut; 202. Extension rod; 203. Connecting ring seat; 204. Handle; 205. 7-shaped ring seat; 206. Ball bearing. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Please see Figures 1-3In this embodiment of the utility model, the construction push rod includes a push rod assembly 1 consisting of an outer tube 101, an external thread 102, a vertical groove 103, an inner tube 105, a locking hole 106, and a locking pin 107. The external thread 102 is formed on the outer side of the top of the outer tube 101. The vertical groove 103 is symmetrically opened on the outer side of the outer tube 101 near the top and penetrates the area where the external thread 102 is located. The inner tube 105 is sleeved on the inner side of the outer tube 101 and extends to the top of the outer tube 101. The locking hole 106 is symmetrically opened on both sides of the outer wall of the inner tube 105. The locking pin 107 penetrates the vertical groove 103 and the locking hole 106 to realize the height limit of the inner tube 105. The outer tube 101 is connected to an adjustment assembly 2 through the external thread 102. The adjustment assembly 2 adjusts and pushes the locking pin 107 to move upward along the vertical groove 103 to realize the height adjustment of the locking hole 106.

[0026] Adjustment component 2 includes an extended adjustment unit and a drag reduction unit;

[0027] The extended adjustment unit contacts the locking pin 107 through the drag reduction unit. The height of the locking pin 107 is adjusted by the rotation of the extended adjustment unit. The downward extension structure of the extended adjustment unit is used to avoid the locking pin 107 from interfering with the adjustment operation.

[0028] The drag reduction unit is used to reduce the regulating resistance of the extended regulating unit;

[0029] The extended adjustment unit includes a nut 201, an extension rod 202, a connecting ring seat 203, and a handle 204;

[0030] The nut 201 is threaded to the outside of the outer tube 101 via the external thread 102 and is located below the retaining pin 107. Multiple extension rods 202 are provided and are fixed to the bottom of the nut 201 in a ring. The connecting ring seat 203 is fixed to the bottom end of the multiple extension rods 202 and sleeved on the outside of the outer tube 101. The handle 204 is rotatably connected to the outside of the connecting ring seat 203. By applying a deflection force to the handle 204, the overall rotation adjustment of the connecting ring seat 203, the extension rods 202, and the nut 201 is realized. The downward extension structure of the extension rods 202 is used to make the rotation operation of the handle 204 operate in the area where the retaining pin 107 is located.

[0031] The drag reduction unit includes a 7-shaped ring seat 205 and a ball bearing 206;

[0032] The 7-shaped ring seat 205 is sleeved on the outside of the nut 201 and extends to the top of the nut 201. The top of the 7-shaped ring seat 205 is in contact with the retaining pin 107. The balls 206 are distributed between the outside of the nut 201 and the inside of the 7-shaped ring seat 205. The outside of the nut 201 and the inside of the 7-shaped ring seat 205 are formed with annular grooves for the balls 206 to roll. When the nut 201 rotates, the 7-shaped ring seat 205 and the retaining pin 107 can remain in a non-rotating state.

[0033] In this embodiment, the operation method of this push rod assembly 1 is as follows:

[0034] First, manually pull the inner tube 105 upward so that the top of the inner tube 105 is as close as possible to the lower surface of the supported object. Then, insert the locking pin 107 into a locking hole 106 located above the 7-shaped ring seat 205. Then, release the support of the inner tube 105. At this time, the inner tube 105 and the locking pin 107 move downward as a whole, and the locking pin 107 fits against the top of the 7-shaped ring seat 205.

[0035] Then, manually turn the handle 204 to make the connecting ring seat 203, extension rod 202 and nut 201 rotate as a whole. The nut 201 moves upward along the outer wall of the external thread 102, which can then push the locking pin 107 and inner tube 105 upward, so that the top of the inner tube 105 fits tightly against the lower surface of the supported object, thus completing the support operation for the supported object.

[0036] During this process, the rotation area of ​​the handle 204 is far away from the locking pin 107, effectively avoiding interference from the locking pin 107 on the rotation operation of the handle 204. At the same time, during the rotation of the nut 201, the 7-shaped ring seat 205 can remain stationary under the frictional resistance of the locking pin 107. The rolling of the ball bearing 206 between the 7-shaped ring seat 205 and the nut 201 can effectively reduce the relative rotational resistance. Compared with the traditional structure where the nut and the locking pin directly contact and rub against each other, the rotational resistance of the nut 201 is effectively reduced, making the adjustment of the device easier.

[0037] Additionally, it should be noted that: due to the downward extension structure of the extension rod 202, when the height of the outer tube 101 is relatively high, the rotation area of ​​the handle 204 is relatively low. This means that the operator does not need to raise their arm too high, and the rotation operation of the handle 204 will be easier and less strenuous.

[0038] Please refer to this carefully. Figures 1-3 The inner diameter of the top of the 7-shaped ring seat 205 is larger than the outer diameter of the external thread 102 area.

[0039] In this embodiment: This structure prevents the 7-shaped ring seat 205 from contacting and rubbing against the external thread 102, thus avoiding wear on the external thread 102 caused by the 7-shaped ring seat 205.

[0040] Please refer to this carefully. Figure 2A limiting protrusion ring 104 is formed on the outer side of the outer tube 101 below the external thread 102. The limiting protrusion ring 104 is used to limit the downward movement of the nut 201.

[0041] The inner diameter of the distribution trajectory of the multiple extension rods 202 and the inner diameter of the connecting ring seat 203 are greater than the outer diameter of the limiting protrusion ring 104.

[0042] In this embodiment, the limiting protrusion ring 104 can prevent the nut 201 from moving down too far and disengaging from the external thread 102, thus ensuring the stability of the device.

[0043] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A construction push rod, comprising a push rod assembly (1) consisting of an outer tube (101), an external thread (102), a vertical groove (103), an inner tube (105), a locking hole (106), and a locking pin (107), wherein the external thread (102) is formed on the outer side of the top of the outer tube (101), the vertical groove (103) is symmetrically opened on the outer side of the outer tube (101) near the top, the vertical groove (103) penetrates the area where the external thread (102) is located, the inner tube (105) is sleeved on the inner side of the outer tube (101) and extends above the outer tube (101), the locking hole (106) is symmetrically opened on both sides of the outer wall of the inner tube (105), the locking pin (107) penetrates the vertical groove (103), and one locking hole (106) is used to realize the height limit of the inner tube (105), characterized in that, The outer tube (101) is connected to an adjustment component (2) via an external thread (102). The adjustment component (2) is used to adjust and push the locking pin (107) to move upward along the vertical slot (103) to achieve height adjustment of the locking hole (106). The adjustment component (2) includes an extended adjustment unit and a drag reduction unit; The extended adjustment unit contacts the locking pin (107) through the drag reduction unit. The height of the locking pin (107) is adjusted by the rotation of the extended adjustment unit. The downward extension structure of the extended adjustment unit is used to avoid the locking pin (107) from interfering with the adjustment operation. The drag reduction unit is used to reduce the adjustment resistance of the extended adjustment unit.

2. The construction push rod according to claim 1, characterized in that, The extended adjustment unit includes a nut (201), an extension rod (202), a connecting ring seat (203), and a handle (204). The nut (201) is threaded to the outside of the outer tube (101) via an external thread (102) and is located below the retaining pin (107). Multiple extension rods (202) are provided, and the multiple extension rods (202) are arranged in a ring and fixed to the bottom of the nut (201). The connecting ring seat (203) is fixed to the bottom end of the multiple extension rods (202) and sleeved on the outside of the outer tube (101). The handle (204) is rotatably connected to the outside of the connecting ring seat (203). By applying a deflection force to the handle (204), the overall rotation adjustment of the connecting ring seat (203), extension rods (202), and nut (201) is realized. The downward extension structure of the extension rods (202) is used to make the rotation operation of the handle (204) in the area where the retaining pin (107) is located.

3. The construction push rod according to claim 2, characterized in that, The drag reduction unit includes a figure-7 shaped ring seat (205) and a ball bearing (206); The 7-shaped ring seat (205) is sleeved on the outside of the nut (201) and extends to the top of the nut (201). The top of the 7-shaped ring seat (205) is in contact with the locking pin (107). The ball (206) is distributed between the outside of the nut (201) and the inside of the 7-shaped ring seat (205). The outside of the nut (201) and the inside of the 7-shaped ring seat (205) are formed with annular grooves for the ball (206) to roll. When the nut (201) rotates, the 7-shaped ring seat (205) and the locking pin (107) can remain in a non-rotating state.

4. The construction push rod according to claim 3, characterized in that, The inner diameter of the top of the 7-shaped ring seat (205) is larger than the outer diameter of the external thread (102) area.

5. The construction push rod according to claim 2, characterized in that, A limiting ring (104) is formed on the outer side of the outer tube (101) below the external thread (102), and the limiting ring (104) is used to limit the downward movement of the nut (201).

6. The construction push rod according to claim 5, characterized in that, The inner diameter of the distribution trajectory of the plurality of extension rods (202) and the inner diameter of the connecting ring seat (203) are greater than the outer diameter of the limiting protrusion (104).

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