CN219035247U

CN219035247U - Bidirectional threaded screw assembly

Info

Publication number: CN219035247U
Application number: CN202223531748.3U
Authority: CN
Inventors: 袁沛槐; 谭学斌
Original assignee: Dongguan Langxing Curtain Wall Aluminum Doors And Windows Co ltd
Current assignee: Dongguan Langxing Curtain Wall Aluminum Doors And Windows Co ltd
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-05-16
Anticipated expiration: 2032-12-29

Abstract

The utility model relates to the technical field of screw assembly and discloses a bidirectional threaded screw assembly, wherein a tightening nut A is sleeved on one side of the threads of an arm force screw, a tightening nut B is sleeved on the other side of the threads of the arm force screw, a stop base is arranged at one end of the screw of the arm force screw, an inner threaded hole is formed in the middle of a rod body of the arm force screw in a penetrating manner, a first stop pressing plate is sleeved on the outer side of a first assembly screw, and a tightening calibration nut and a second stop pressing plate are sequentially sleeved on the outer side of a second assembly screw along the screw screwing direction of the second assembly screw. According to the utility model, by utilizing the screw thread screwing and positioning of the main screw sleeve mechanism, under the involution screwing and connecting of the two assembly screw rods in the assembly screw sleeve mechanism, the components can be loaded and supported in a symmetrical bearing force mode, so that the main screw sleeve mechanism keeps a uniform and symmetrical bearing force mode, and the situation that the screw assembly is suddenly broken due to overlarge unilateral bearing pressure is avoided.

Description

Bidirectional threaded screw assembly

Technical Field

The utility model relates to the technical field of screw assembly, in particular to a bidirectional threaded screw assembly.

Background

The screw has the functions of connecting two workpieces together and fastening, and is an indispensable industrial necessity in daily life: very small screws for use in cameras, spectacles, watches, electronics, etc.; general screws for televisions, electrical products, musical instruments, furniture, and the like; as for engineering, construction and bridge, large-scale screws and nuts are used; the transportation devices, airplanes, electric cars, automobiles and the like are used together by the large screws and the small screws; screws are an important task in industry, and as long as industry exists on earth, the function of the screw is always important.

However, in the existing mode of combining large and small screws adopted by precision equipment such as traffic tools, airplanes, electric cars and automobiles, most of the small screws and the large screws are combined together in the assembling and using process, the situation of uneven bearing stress exists in the assembling and using process, and the situation of sudden fracture caused by overlarge unilateral lateral pressure is extremely easy to occur. Accordingly, a bidirectional threaded screw assembly is provided by those skilled in the art to solve the problems set forth in the background.

Disclosure of Invention

The present utility model is directed to a bi-directional threaded screw assembly, which solves the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a bidirectional threaded screw assembly comprises a main screw sleeve mechanism and an assembling screw sleeve mechanism;

the main screw sleeve mechanism comprises an arm strength screw, a tightening nut A is sleeved on one side of the thread of the arm strength screw, a tightening nut B is sleeved on the other side of the thread of the arm strength screw, a stop base is arranged at one end of the screw of the arm strength screw, and an internal threaded hole is formed in the middle of the rod body of the arm strength screw in a penetrating manner;

the assembly swivel nut mechanism comprises a first assembly screw rod penetrating through the stop base and screwed on one end of the internal threaded hole and a second assembly screw rod screwed on the other end of the internal threaded hole, a first stop pressing plate is sleeved on the outer side of the first assembly screw rod, and a tightening calibration screw cap and a second stop pressing plate are sequentially sleeved on the outer side of the second assembly screw rod along the screw rod screwing direction.

As still further aspects of the utility model: the tightening screw cap A and the tightening screw cap B are the same in size, and the arm force screw rod is fixedly sleeved with the arm force bracket through the tightening screw cap A and the tightening screw cap B.

As still further aspects of the utility model: the plate surface of the first stop pressing plate is communicated with a first assembly threaded hole which is screwed with the first assembly screw rod, and the first assembly screw rod is fixedly sleeved with the first assembly plate frame through the first stop pressing plate and the stop base.

As still further aspects of the utility model: the first tooth plates meshed with each other are arranged on the butt joint surfaces of the first stop pressing plate and the first assembling plate frame.

As still further aspects of the utility model: the second assembling threaded hole formed in the second stop pressing plate is penetrated through, the second assembling threaded hole is formed in the second assembling threaded rod in a screwed mode, and the second assembling threaded rod is fixedly sleeved with the second assembling plate frame through the second stop pressing plate and the tightening position correcting nut.

As still further aspects of the utility model: and the joint surfaces of the second stop pressing plate and the second assembly plate frame are respectively provided with a second toothed plate which is mutually meshed.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, by utilizing the screw thread screwing and positioning of the main screw sleeve mechanism, under the involution screwing and connecting of the two assembly screw rods in the assembly screw sleeve mechanism, the components can be loaded and supported in a symmetrical bearing force mode, so that the main screw sleeve mechanism keeps a uniform and symmetrical bearing force mode, and the situation that the screw assembly is suddenly broken due to overlarge unilateral bearing pressure is avoided.

2. According to the utility model, through the pre-screwing and positioning of the main screw sleeve mechanism, under the adjustable involution screwing and connection of the two assembly screw rods in the assembly screw sleeve mechanism, the bearing position of the assembly screw rod can be adjusted according to the assembly condition of the component, and the flexible assembly and use performance of the assembly screw rod can be improved.

Drawings

FIG. 1 is a schematic view of a two-way threaded screw assembly;

FIG. 2 is an exploded view of a bi-directional threaded screw assembly;

FIG. 3 is a schematic plan view of a bi-directional threaded screw assembly;

FIG. 4 is a schematic diagram of an assembled structure of a bi-directional threaded screw assembly;

fig. 5 is an assembled plan view of a bi-directional threaded screw assembly.

In the figure: 1. arm force screw rod; 2. tightening the nut A; 3. tightening the nut B; 4. a stop base; 5. a first assembly screw; 6. a first stop pressure plate; 7. a second assembly screw; 8. a second stop pressure plate; 9. tightening the correcting nut; 10. an internal threaded hole; 11. a first fitting threaded bore; 12. a second fitting threaded bore; 13. arm strength support; 14. a first assembly pallet; 15. and the second assembling plate frame.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 5, in the embodiment of the utility model, a bidirectional threaded screw assembly comprises a main screw sleeve mechanism and an assembling screw sleeve mechanism, wherein the main screw sleeve mechanism comprises an arm force screw rod 1, a tightening nut A2 is sleeved on one side of the threads of the arm force screw rod 1, a tightening nut B3 is sleeved on the other side of the threads of the arm force screw rod 1, a stop base 4 is arranged at one end of the screw rod of the arm force screw rod 1, the tightening nut A2 and the tightening nut B3 are the same in size, the arm force screw rod 1 is fixedly sleeved with the arm force bracket 13 through the tightening nut A2 and the tightening nut B3, when assembling a loading member by using the bidirectional screw assembly, the tightening nut A2 is firstly screwed on the arm force screw rod 1, then the arm force screw rod 1 is screwed on the arm force bracket 13 of a corresponding model, the tightening nut B3 is screwed on the arm force screw rod 1 after the arm force screw rod 1 is adjusted to be at a proper position, the two groups of tightening nuts are screwed on two sides of the arm force bracket 13 by means of the tightening nuts A2 and the tightening nuts B3.

And the body of rod middle part of arm strength screw rod 1 has been link up and has been seted up internal thread hole 10, assembly swivel mechanism is including running through the first assembly screw rod 5 of ending position base 4 screw-in internal thread hole 10 one end and screw-in second assembly screw rod 7 of the other end of internal thread hole 10, the outside cover of first assembly screw rod 5 is equipped with first end position clamp plate 6, the face of first end position clamp plate 6 has been link up and has been seted up the first assembly screw hole 11 that screw-in mutually with first assembly screw rod 5, and first assembly screw rod 5 cup joints fixedly through first end position clamp plate 6 and end position base 4 and first assembly grillage 14, first end position clamp plate 6 and the involution face of first assembly grillage 14 all are provided with the first pinion rack of interlock each other, after the assembly is fixed to arm strength screw rod 1, screw thread of internal thread hole 10 on first assembly screw rod 5 and arm strength screw rod 1 is screwed up and is used in turn, and first assembly screw rod 5 is screwed in first assembly screw rod 1, and when tightening up and receiving, and holding down first position clamp plate 6 is pressed down first position clamp plate 6 and first assembly grillage 14, and first position grillage 14 are held down, and first position clamp plate 4 are held down in order, and first position clamp plate 4 is held down.

The outside of second assembly screw rod 7 is equipped with in proper order along its screw rod direction of screwing up and is tightened up position check nut 9, second position check clamp plate 8, the face of second position check clamp plate 8 link up and is offered the second assembly screw hole 12 that second assembly screw rod 7 was twisted up mutually, and second assembly screw rod 7 cup joints fixedly through second position check clamp plate 8 and tightening up position check nut 9 and second assembly grillage 15, the second face of closing up of second position check clamp plate 8 and second assembly grillage 15 all is provided with the second pinion rack of interlock each other, after the assembly to arm strength screw rod 1 is fixed, in proper order with second position check plate 8, second assembly grillage 15, tighten up position check nut 9 and screw thread of second assembly screw rod 7 and the internal thread hole 10 on arm strength screw rod 1 is screwed up, with first assembly screw rod 5 screw rod 1, according to the installation service conditions, carry out suitable regulation to the shrink length of first assembly screw rod 5, then, after adjusting, move position check nut 9, utilize it to tighten up the second clamp plate 8 to tighten up position check nut 9, the second clamp plate 15 and tighten up position check nut 9 and fix the clamp plate 8 between second clamp plate 8.

The working principle of the utility model is as follows: when the bidirectional screw assembly is used for assembling the loading component, firstly, the tightening nuts A2 are screwed on the arm force screw rods 1, then the arm force screw rods 1 are screwed on the arm force brackets 13 with corresponding models, after the arm force screw rods 1 are adjusted to be at proper positions on the arm force screw rods 13, the tightening nuts B3 are screwed on the arm force screw rods 1, the tightening nuts A2 are screwed with the tightening nuts B3 in a pressing way, two groups of tightening nuts are tightened on two sides of the arm force screw rods 13, the arm force screw rods 1 are fixed in a stopping position, after the arm force screw rods 1 are assembled and fixed, the first stopping position pressing plate 6 and the first assembling plate frame 14 are screwed on the first assembling screw rods 5 in sequence, then the first assembling screw rods 5 are screwed in the arm force screw rods 1 by utilizing the threads of the first assembling screw rods 5 and the internal thread holes 10 on the arm force screw rods 1, and the first stopping position pressing plate frame 6 is pushed to press the first assembling plate 14 when the tightening screwing, then under the opposite pressing of the stop base 4, the first assembling plate frame 14 is tightly fixed between the first stop pressing plate 6 and the stop base 4, after the arm force aligning screw rod 1 is assembled and fixed synchronously, the second stop pressing plate 8, the second assembling plate frame 15 and the tightening and aligning screw cap 9 are sequentially screwed on the second assembling screw rod 7, then the second assembling screw rod 7 is screwed with the threads of the internal threaded hole 10 on the arm force screw rod 1, the first assembling screw rod 5 is screwed in the arm force screw rod 1, according to the installation and use condition, the contraction length of the first assembling screw rod 5 is properly adjusted, then after the adjustment is finished, the tightening and aligning screw cap 9 is screwed, the second assembling plate frame 15 is clamped and fixed by the butt clamp of the second assembling plate frame 15, the butt clamp of the second assembling plate frame 15 is fixed between the tightening and aligning screw cap 9 and the second stop pressing plate 8, the components are loaded and supported in a symmetrical bearing force mode, so that the main screw sleeve mechanism keeps a uniform and symmetrical bearing force mode, and the situation that the screw assembly is suddenly broken due to overlarge unilateral bearing pressure is avoided.

Claims

1. The bidirectional threaded screw assembly is characterized by comprising a main screw sleeve mechanism and an assembling screw sleeve mechanism;

the main screw sleeve mechanism comprises an arm strength screw rod (1), a tightening nut A (2) is sleeved on one side of a thread of the arm strength screw rod (1), a tightening nut B (3) is sleeved on the other side of the thread of the arm strength screw rod (1), a stop base (4) is arranged at one end of the screw rod of the arm strength screw rod (1), and an internal threaded hole (10) is formed in the middle of a rod body of the arm strength screw rod (1) in a penetrating mode;

the assembly swivel nut mechanism comprises a first assembly screw (5) penetrating through one end of the stop base (4) and screwed with one end of the internal threaded hole (10) and a second assembly screw (7) screwed with the other end of the internal threaded hole (10), a first stop pressing plate (6) is sleeved on the outer side of the first assembly screw (5), and a tightening position correcting screw cap (9) and a second stop pressing plate (8) are sequentially sleeved on the outer side of the second assembly screw (7) along the screw screwing direction of the second assembly screw.

2. A bidirectional threaded screw assembly according to claim 1, characterized in that the tightening nut a (2) is the same size as the tightening nut B (3), and the arm-force screw (1) is fixed by socket connection of the tightening nut a (2) and the tightening nut B (3) with the arm-force bracket (13).

3. The bidirectional threaded screw assembly according to claim 1, wherein a first assembly threaded hole (11) screwed with the first assembly screw (5) is formed in the plate surface of the first stop pressing plate (6) in a penetrating manner, and the first assembly screw (5) is sleeved and fixed with the first assembly plate frame (14) through the first stop pressing plate (6) and the stop base (4).

4. A bi-directional threaded screw assembly according to claim 3, characterized in that the mating surfaces of the first stop pressure plate (6) and the first mounting plate bracket (14) are provided with first toothed plates which are engaged with each other.

5. The bidirectional threaded screw assembly according to claim 1, wherein a second assembly threaded hole (12) formed by screwing a second assembly screw (7) is formed in a penetrating manner in the plate surface of the second stop pressing plate (8), and the second assembly screw (7) is fixedly sleeved with the second assembly plate frame (15) through the second stop pressing plate (8) and the tightening and correcting nut (9).

6. A bi-directional threaded screw assembly according to claim 1, characterized in that the mating surfaces of the second stop pressure plate (8) and the second assembly plate frame (15) are provided with second toothed plates which are engaged with each other.