Screw fastener convenient to fasten

Abstract

The utility model discloses a screw fastener convenient to fasten, relates to the technical field of screw fasteners, and comprises a fixing rod and a fixing disc, the fixing disc is fixedly arranged at one end of the fixing rod, arc-shaped plates are arranged on two sides of the fixing rod, external threads are arranged on one side, far away from the fixing rod, of each arc-shaped plate, and the fixing rod is fixedly arranged on the fixing disc. An inner hexagonal groove is formed in the surface of the fixing disc, a strip-shaped opening is formed in the groove bottom of the inner hexagonal groove, a transmission mechanism for driving the two arc-shaped plates to move is arranged in the strip-shaped opening, the outer side of the fixing rod is sleeved with a limiting ring, and an inner thread is formed in the inner wall of the limiting ring; the external threads on the two sides are matched with the internal threads. The thread of the screw rod is divided into two movable modules, the screw rod can be conveniently and rapidly moved, the thread of the screw rod can be reset after the screw rod is in place, the screw rod does not need to be rotated by more turns, and the working efficiency can be greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to screw fastener technical field, concretely relates to a screw fastener convenient to fasten. BACKGROUND

[0002] In many industrial production, mechanical equipment installation and daily life of article assembly process, screw fastening is very common and key operation link, the traditional screw is usually integral type thread structure, when it is screwed into the nut or threaded hole, needs manual or with the help of tool to rotate screw rod many circles continuously, can realize fastening, this process not only time -consuming and labor -intensive, especially in the operation that needs a large number of repeated fastening screw, greatly reduces work efficiency. SUMMARY

[0003] In view of the above existing problems of the screw fastener convenient to fasten, the utility model is provided.

[0004] Therefore, the utility model aims at providing a screw fastener convenient to fasten, solves the problems in the background art.

[0005] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A screw fastener convenient to fasten, including fixed rod and fixed disc, the fixed disc is fixedly arranged at one end of fixed rod, both sides of the fixed rod are provided with arc-shaped plate, the side away from the fixed rod of arc-shaped plate is provided with external thread, the surface of fixed disc is provided with internal hexagonal groove, the groove bottom of internal hexagonal groove is provided with strip-shaped port, the inside of strip-shaped port is provided with transmission mechanism that moves two arc-shaped plates, the outside of fixed rod is provided with limiting ring, the inner wall of limiting ring is provided with internal thread, both sides external thread are matched with internal thread.

[0007] Preferably, the transmission mechanism includes a sliding block and a bidirectional threaded rod, the bidirectional threaded rod is horizontally arranged inside the strip-shaped port, both ends of the bidirectional threaded rod are rotatably connected with the inner walls of the corresponding strip-shaped ports, two sliding blocks are threadedly sleeved on one end of the corresponding bidirectional threaded rods, the lower sides of the two sliding blocks are fixedly connected with the upper sides of the corresponding arc-shaped plates.

[0008] Preferably, a plurality of insertion holes are sequentially arranged from top to bottom on both sides of the fixed rod, a plurality of support rods are inserted into the interiors of the plurality of insertion holes, and one end of each of the plurality of support rods is fixedly connected with the inner wall of the corresponding arc-shaped plate.

[0009] Preferably, both sides of the sliding block abut against the inner wall of the strip-shaped port.

[0010] Preferably, a knob is fixedly sleeved with the middle end of the bidirectional threaded rod.

[0011] Preferably, the two sliding blocks and the corresponding arc-shaped plates are integrally formed.

[0012] In the above technical solution, the technical effects and advantages of the utility model are provided:

[0013] The utility model discloses, through rotating two -way threaded rod, make two -way threaded rod drive two sliding blocks remove, even make two sliding blocks drive corresponding arc -shaped plate remove to the direction of close fixed rod, can fixed rod in the limit ring fast sliding, remove in place, reverse rotate two -way threaded rod, even make two arc -shaped plate remove to the direction of far from fixed rod, and then make the outer thread of arc -shaped plate outer wall and the internal thread of limit ring inner wall thread joint, can realize fast and convenient fastening effect, need not rotate fixed rod more circle number, can greatly improve work efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme in the embodiments of the present application or prior art, the following will briefly introduce the drawings needed to be used in the embodiments, obviously, the drawings in the following description are only some embodiments described in the utility model, and for the person skilled in the art, other drawings can also be obtained according to these drawings.

[0015] Figure 1 The structure diagram of the screw fastener convenient to fasten is provided.

[0016] Figure 2 The internal structure diagram of the screw fastener convenient to fasten is provided. Figure 1 The internal structure diagram of the screw fastener convenient to fasten is provided.

[0017] Figure 3 The top view structure diagram of the screw fastener convenient to fasten is provided. Figure 1 The top view structure diagram of the screw fastener convenient to fasten is provided.

[0018] Mark explanation:

[0019] 1, fixed rod, 2, fixed disc, 3, arc-shaped plate, 4, support rod, 5, external thread, 6, limit ring, 7, internal thread, 8, sliding block, 9, two -way threaded rod, 10, knob, 11, internal hexagonal groove. DETAILED DESCRIPTION

[0020] In order to make the person skilled in the art better understand the technical scheme of the utility model, the following will be further introduced in detail to the utility model in conjunction with the drawings.

[0021] The utility model discloses a kind of screw fasteners convenient to fasten.

[0022] Refer to Figures 1-3The utility model provides a kind of screw fastener of facilitating fastening, including fixed rod 1 and fixed disc 2, fixed disc 2 is fixedly arranged at one end of fixed rod 1, both sides of fixed rod 1 are provided with arc plate 3, outer thread 5 is opened in the side of arc plate 3 away from fixed rod 1, the surface of fixed disc 2 is provided with internal hexagonal groove 11, the groove bottom of internal hexagonal groove 11 is provided with strip mouth, the outside of fixed rod 1 is provided with limit ring 6, the inner wall of limit ring 6 is provided with internal thread 7, both sides outer thread 5 are matched with internal thread 7.

[0023] Refer to Figures 1-3 The inside of strip mouth is provided with transmission mechanism for moving two arc plates 3, transmission mechanism includes slider 8 and bidirectional threaded rod 9, bidirectional threaded rod 9 is horizontally arranged in the inside of strip mouth, both ends of bidirectional threaded rod 9 are rotatably connected with the inner wall of corresponding strip mouth, two sliders 8 are threadedly sleeved on one end of corresponding bidirectional threaded rod 9, the lower side of two sliders 8 is fixedly connected with the upper side of corresponding arc plate 3, two sliders 8 and corresponding arc plate 3 are integrally formed, improve the connection strength of slider 8 and arc plate 3, the both sides of slider 8 are in abutment with the inner wall of strip mouth, so that slider 8 cannot rotate, i.e. it can stably slide, the middle end of bidirectional threaded rod 9 is fixedly sleeved with knob 10, to facilitate rotating bidirectional threaded rod 9.

[0024] Refer to Figures 1-3 Both sides of fixed rod 1 are sequentially provided with a plurality of insertion holes from top to bottom, the inside of a plurality of insertion holes is inserted with support rod 4, one end of a plurality of support rods 4 is fixedly connected with the inner wall of corresponding arc plate 3, to improve the connection strength of arc plate 3 and fixed rod 1.

[0025] In the utility model, during use, limit ring 6 and fixed rod 1 are arranged on both sides of the component needing to be fastened, then bidirectional threaded rod 9 is rotated, so that bidirectional threaded rod 9 drives two sliders 8 to move, i.e. so that two sliders 8 drive corresponding arc plate 3 to move in the direction of approaching fixed rod 1, then fixed rod 1 and arc plate 3 are passed through the through hole of the component needing to be fastened, during which fixed rod 1 can be quickly slid in limit ring 6, after moving in place, bidirectional threaded rod 9 is reversely rotated, i.e. so that two arc plates 3 move in the direction of moving away from fixed rod 1, to make the outer thread 5 of arc plate 3 outer wall and the internal thread 7 of limit ring 6 inner wall threadedly connect, i.e. fastening effect can be realized quickly and conveniently, without rotating fixed rod 1 for more turns, to greatly improve work efficiency.

[0026] The above has only described certain exemplary embodiments of the present application by way of illustration, and it is needless to say that the described embodiments can be modified in various ways without departing from the spirit and scope of the present application for those skilled in the art. Therefore, the above drawings and descriptions are illustrative in nature, and should not be understood as limiting the scope of protection of the claims of the present application.

Claims

1. A screw fastener for easy fastening, comprising a fixing rod (1) and a fixing disc (2), characterized in that, The fixed disc (2) is fixedly arranged at one end of the fixed rod (1), both sides of the fixed rod (1) are provided with arc-shaped plates (3), one side of the arc-shaped plate (3) away from the fixed rod (1) is provided with an external thread (5), the surface of the fixed disc (2) is provided with an internal hexagonal groove (11), the bottom of the internal hexagonal groove (11) is provided with a strip-shaped opening, the inside of the strip-shaped opening is provided with a transmission mechanism for driving the two arc-shaped plates (3) to move, the outer side of the fixed rod (1) is provided with a limiting ring (6), the inner wall of the limiting ring (6) is provided with an internal thread (7), and the two external threads (5) are matched with the internal thread (7).

2. The easy-to-fasten screw fastener according to claim 1, wherein The transmission mechanism comprises a sliding block (8) and a bidirectional threaded rod (9), the bidirectional threaded rod (9) is horizontally arranged inside the strip-shaped opening, both ends of the bidirectional threaded rod (9) are rotationally connected with the inner walls of the corresponding strip-shaped openings, two sliding blocks (8) are threadedly connected to one end of the corresponding bidirectional threaded rods (9), and the lower sides of the two sliding blocks (8) are fixedly connected with the upper sides of the corresponding arc-shaped plates (3).

3. The easy-to-fasten screw fastener of claim 1, wherein, A plurality of insertion holes are sequentially arranged on both sides of the fixed rod (1) from top to bottom, a plurality of support rods (4) are inserted into the insertion holes, and one end of each support rod (4) is fixedly connected with the inner wall of the corresponding arc-shaped plate (3).

4. The easy-to-fasten screw fastener of claim 2, wherein, The two sides of the sliding block (8) abut against the inner wall of the strip-shaped opening.

5. The easy-to-fasten screw fastener of claim 2, wherein, The middle end of the bidirectional threaded rod (9) is fixedly sleeved with a knob (10).

6. The easy-to-fasten screw fastener of claim 2, wherein, The two sliding blocks (8) and the corresponding arc-shaped plates (3) are integrally formed.

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