Combined double-end bolt

Abstract

The utility model relates to the technical field of bolts, and particularly discloses a combined stud bolt which comprises a round tube, a concave hole is formed in the arc surface of the round tube, two fixing plates are fixedly connected to the inner wall of the round tube, threaded rods are rotationally connected to the surfaces of the two fixing plates, a round plate is fixedly connected to the arc surface of each threaded rod, and the round plate is fixedly connected to the inner wall of the round tube. The arc surface of the threaded rod is in threaded connection with two rectangular plates, the sides, away from each other, of the two rectangular plates are each fixedly connected with two connecting rods, and every two of the four connecting rods form a group. The threaded rod is driven to rotate through rotation of the circular plate, the two bolt bodies can move in the direction away from each other or close to each other, the effect of rapidly adjusting the distance between the two bolt bodies is achieved, the two bolt bodies move synchronously, the two bolt bodies do not need to be adjusted independently, and the operation is convenient. And synchronous adjustment can ensure that the positions of the two bolt bodies are kept consistent.

Description

TECHNICAL FIELD

[0001] The utility model belongs to bolt technical field, concretely relates to combined double -end bolt. BACKGROUND

[0002] Combined double -end bolt usually by two different diameter or different material bolt through specific connection mode combination, combined double -end bolt is a kind of special structure and purpose connecting fastener.

[0003] In the Chinese patent with the publication number CN221610375U, a combined double-end bolt is mentioned. The specification discloses that the head of the existing double-end bolt is usually cylindrical or hexagonal, with threads on the top, which can be used with nuts or other fasteners. The middle screw rod part is also cylindrical, with threads on the top, which can be used with nuts or other fasteners. Since the head and the screw rod are connected by threads, the length of the double-end bolt is fixed and cannot be adjusted. This structure has the advantage of firm and reliable connection of the double-end bolt, suitable for occasions requiring high-strength connection. However, due to the inability to adjust the length, the double-end bolt needs to be selected according to the actual situation during use, otherwise it may not be tightly connected or connected at all.

[0004] In the above-mentioned application, although the distance between the two bolts can be quickly adjusted by rotating the gear, the angle of the gear is not stable. Since the gear itself is in a rotatable state, without any stabilizing mechanism, external factors such as slight vibration, collision, or movement of the sleeve can easily cause the gear to rotate, thereby affecting the distance between the two bolts. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a combined double-end bolt to solve the problem of difficulty in adjusting the distance of the existing double-end bolt in the prior art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] The combined double-end bolt comprises a circular tube, a concave hole is formed in the circular surface of the circular tube, two fixed plates are fixedly connected to the inner wall of the circular tube, a threaded rod is rotatably connected to the surface of each fixed plate, a circular plate is fixedly connected to the circular surface of the threaded rod, two rectangular plates are threadedly connected to the circular surface of the threaded rod, two connecting rods are fixedly connected to the side of each rectangular plate away from the other, every two connecting rods form a group, and a bolt body is fixedly connected to the end of the connecting rod away from the rectangular plate in the same group.

[0008] Preferably, the two rectangular plates and the two bolt bodies are symmetrically distributed about the vertical central axis of the circular tube.

[0009] Preferably, the circular plate is located between two fixed plates, and the arc surface of the circular plate is fixedly connected with a non-slip pad, which is a rubber pad.

[0010] Preferably, the two ends of the rectangular plate are fixedly connected with limiting blocks, and the inner walls of the two circular tubes are provided with two or four limiting grooves, and the four limiting blocks are respectively and slidably connected to the inner walls of the four limiting grooves.

[0011] Preferably, the arc surface of the threaded rod is provided with two threads opposite to each other from the middle to the two ends.

[0012] Preferably, the surface of the circular plate is provided with a plurality of clamping holes, the inner wall of the recess is fixedly connected with a circular rod, the arc surface of the circular rod is slidably connected with two L-shaped plates, and the sides close to each other of the two L-shaped plates are fixedly connected with clamping blocks matched with the clamping holes.

[0013] Preferably, the arc surface of the circular rod is sleeved with two springs, and the two ends of the spring are respectively fixedly connected with the L-shaped plate and the circular rod.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] 1. The utility model discloses a threaded rod is rotated by the rotation of the circular plate, can make two bolt bodies move to the direction of far away from each other or close to each other, reach the effect of fast adjusting the distance between two bolt bodies, and two bolt bodies move synchronously, need not adjusting two bolt bodies alone, and synchronous adjustment can ensure that the positions of two bolt bodies remain consistent, avoid the error that may appear when adjusting alone, and improve the accuracy of adjustment.

[0016] 2. The utility model discloses the fastening of clamping block and clamping hole realizes the stability of the position of the circular plate, improves the stability between two bolt bodies to a certain extent, and with the elastic force of spring, can improve the fastening effect between clamping block and clamping hole, and further improve the fastening effect between two bolt bodies. ACCURATE DRAWINGS

[0017] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0018] Figure 2 It is a three-dimensional structure schematic view of the utility model; Figure 1

[0019] It is a three-dimensional structure schematic view of the utility model; Figure 3

[0020] It is a three-dimensional structure schematic view of the utility model; Figure 4 Figure 3 It is a three-dimensional structure schematic view of the utility model; ​

[0021] Fig. 1, round pipe; 101, recess; 2, fixed plate; 3, threaded rod; 4, round plate; 5, rectangular plate; 6, connecting rod; 7, bolt body; 8, limiting block; 9, limiting groove; 10, non-slip pad; 11, clamping hole; 12, round rod; 13, L-shaped plate; 14, clamping block; 15, spring. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] Referring to Figures 1-4 The utility model provides combined double -end bolt, including round pipe 1, the arc surface of round pipe 1 is equipped with recess 101, the inner wall of round pipe 1 is fixedly connected with two fixed plates 2, the surface of two fixed plates 2 is rotatably connected with threaded rod 3, the arc surface of threaded rod 3 is fixedly connected with round plate 4, the arc surface of threaded rod 3 is threadedly connected with two rectangular plates 5, two rectangular plates 5 are fixedly connected with two connecting rods 6 on the side far from each other, four connecting rods 6 are every two a group, and the end of same group connecting rod 6 far from rectangular plate 5 is fixedly connected with bolt body 7.

[0024] In the embodiment, the arc surface of threaded rod 3 is provided with two threads opposite threads from the middle to both ends, when round plate 4 drives threaded rod 3 to rotate, two rectangular plates 5 will move in the direction of far from each other or close to each other.

[0025] In an optional embodiment: two rectangular plates 5 and two bolt bodies 7 are symmetrically distributed with the vertical central axis of round pipe 1.

[0026] In an optional embodiment: round plate 4 is located between two fixed plates 2, the arc surface of round plate 4 is fixedly connected with non-slip pad 10, and non-slip pad 10 is a rubber pad.

[0027] It should be noted that non-slip pad 10 plays the role of increasing the friction of the surface of round plate 4, so that the staff can better rotate round plate 4.

[0028] In an optional embodiment: the both ends of rectangular plate 5 are fixedly connected with limiting block 8, the inner wall of two round pipes 1 is provided with two four limiting grooves 9, and four limiting blocks 8 are respectively slidably connected to the inner wall of four limiting grooves 9.

[0029] Need to explain, the rectangular plate 5 moves and drives the limiting block 8 to slide along the inner wall of the limiting groove 9, the function of limiting the moving position of the rectangular plate 5 is played, and the deviation of the rectangular plate 5 is prevented when moving.

[0030] In an alternative embodiment: the surface of the circular plate 4 is provided with a plurality of clamping holes 11, the inner wall of the recess 101 is fixedly connected with a circular rod 12, the circular arc surface of the circular rod 12 is slidably connected with two L-shaped plates 13, and the side close to each other of the two L-shaped plates 13 is fixedly connected with a clamping block 14 matched with the clamping hole 11.

[0031] In an alternative embodiment: the circular arc surface of the circular rod 12 is sleeved with two springs 15, the two ends of the spring 15 are fixedly connected with the L-shaped plate 13 and the circular rod 12 respectively,

[0032] Need to explain, through the clamping of the clamping block 14 and the clamping hole 11, the position of the circular plate 4 is stabilized, and the elastic force of the spring 15 can improve the stability effect between the clamping block 14 and the clamping hole 11, and further improve the stability effect between the two bolt bodies 7.

[0033] The working principle of the utility model is as follows: when using, when the staff needs to adjust the distance between the two bolt bodies 7, first pull the two L-shaped plates 13 away from each other, the spring 15 is in a compressed state, when the clamping block 14 is separated from the clamping hole 11, rotate the circular plate 4, the circular plate 4 rotates and drives the threaded rod 3 to rotate, the circular arc surface of the threaded rod 3 has two opposite threads, the two rectangular plates 5 are driven by the threads and move away from each other, the limiting block 8 slides along the inner wall of the limiting groove 9, the function of limiting the moving position of the rectangular plate 5 is played, and the deviation of the rectangular plate 5 is prevented, after adjusting, release the two L-shaped plates 13, the spring 15 rebounds until the clamping block 14 is inserted into the corresponding clamping hole 11 again, the stability of the circular plate 4 is realized.

[0034] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A combination stud, characterised in that, Including the circular tube (1), the circular surface of the circular tube (1) is provided with a recess (101), the inner wall of the circular tube (1) is fixedly connected with two fixed plates (2), the surface of two fixed plates (2) is rotatably connected with a threaded rod (3), the circular surface of the threaded rod (3) is fixedly connected with a circular plate (4), the circular surface of the threaded rod (3) is threadedly connected with two rectangular plates (5), two rectangular plates (5) are fixedly connected with two connecting rods (6) away from each other on one side, four connecting rods (6) are two groups every two, and the end of the connecting rod (6) away from the rectangular plate (5) is fixedly connected with a bolt body (7).

2. The combination stud of claim 1, wherein: Two rectangular plates (5) and two bolt bodies (7) are symmetrically distributed with the vertical center axis of the circular tube (1).

3. The combination stud of claim 1, wherein: The circular plate (4) is located between two fixed plates (2), the circular surface of the circular plate (4) is fixedly connected with a non-slip pad (10), and the non-slip pad (10) is a rubber pad.

4. The combination stud of claim 1, wherein: The two ends of the rectangular plate (5) are fixedly connected with a limiting block (8), the inner wall of two circular tubes (1) is provided with two four limiting grooves (9), and four limiting blocks (8) are respectively connected in the inner wall of four limiting grooves (9).

5. The combination stud of claim 1, wherein: The circular surface of the threaded rod (3) is provided with two threads opposite threads from the middle to the ends.

6. The combination stud of claim 1, wherein: The surface of the circular plate (4) is provided with a plurality of clamping holes (11), the inner wall of the recess (101) is fixedly connected with a circular rod (12), the circular surface of the circular rod (12) is slidably connected with two L-shaped plates (13), and the side of two L-shaped plates (13) close to each other is fixedly connected with a clamping block (14) matched with the clamping hole (11).

7. The combination stud of claim 6, wherein: The circular surface of the circular rod (12) is sleeved with two springs (15), and the two ends of the spring (15) are respectively fixedly connected with the L-shaped plate (13) and the circular rod (12).

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