Double-thread screw convenient to disassemble

Abstract

The utility model discloses a double-thread screw convenient to disassemble, which relates to the technical field of double-thread screws and comprises a double-thread screw, a first nut is sleeved at the upper end of the double-thread screw in a threaded manner, a second nut is sleeved at the lower end of the double-thread screw in a threaded manner, and two mounting grooves are formed in the lower end face of the first nut. And abutting mechanisms are arranged in the two mounting grooves correspondingly, and a fixing mechanism is arranged on the side wall of the first nut. According to the double-thread screw, the process can be greatly simplified whether the double-thread screw is disassembled or assembled, the working efficiency is improved, meanwhile, the requirement for the skill level of an operator is lowered, and the double-thread screw is more convenient and efficient to use.

Description

TECHNICAL FIELD

[0001] The utility model relates to double -end screw technical field especially relates to a double -end screw convenient to dismount. BACKGROUND

[0002] In the field of mechanical assembly and maintenance, double-end screw as a common connecting piece is widely used in various equipment and structures for realizing fastening, connection or positioning functions. The traditional double-end screw structure usually includes a rod body, the rod body two ends are respectively equipped with external thread, through the two nuts of matched respectively screw in the two ends of the rod body to realize the connection or fixed effect. However, in practical application, this traditional double-end screw has some inconvenience in the process of dismounting or installing.

[0003] Specifically, the double-end screw needs to be fixed by the staff first when using the other end of the double-end screw, and then the double-end screw is fixed by using the nut, which greatly reduces the work efficiency, and is not easy to disassemble.

[0004] Therefore, the present needs to design a double-end screw convenient to dismount. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the shortcomings in the prior art and provides a double-end screw convenient to dismount.

[0006] In order to achieve the above object, the utility model adopts the following technical scheme:

[0007] A double-end screw convenient to dismount, including double-end screw, the upper end thread sleeve of double-end screw is equipped with first nut, the lower end thread sleeve of double-end screw is equipped with second nut, the lower end surface of first nut is equipped with two installation grooves, the inside of two installation grooves is equipped with abutting mechanism, the lateral wall of first nut is equipped with fixed mechanism.

[0008] As a further improvement of the utility model, the abutting mechanism includes a pressing rod, one end of the pressing rod penetrates the inner wall of the installation groove and extends to the outside of the first nut, the pressing rod is in sliding connection with the inner wall of the installation groove, a abutting block is fixedly sleeved on the side wall of the pressing rod in the installation groove, a spring is fixed to one end of the abutting block away from the pressing rod, and the other end of the spring away from the abutting block is fixed on the inner wall of the installation groove.

[0009] As a further improvement of the utility model, the fixed mechanism includes a locking hole penetratingly arranged on the lateral wall of the first nut, and a locking bolt is threadedly connected in the locking hole.

[0010] As a further improvement of the utility model, a guide rod is fixed on the inner wall of the installation groove, the pressing rod is slidingly sleeved on the guide rod, and the spring is sleeved on the outside of the guide rod.

[0011] As a further improvement of the utility model, one end of the pressing rod outside the first nut is a hemispherical structure.

[0012] As a further improvement of the utility model, the lower end of the abutting block is provided with an inclined surface, and the side wall of the abutting block close to the pressing rod is provided with anti-skid lines.

[0013] The utility model has the advantages of:

[0014] The first nut can first fix one end of the double-end screw rod, thereby forming a stable fulcrum, so that the operator can more conveniently operate the second nut at the other end of the double-end screw rod, whether disassembling or assembling can greatly simplify the process, improve work efficiency, and also reduce the requirement for the skill level of the operator, so that the use of the double-end screw rod is more convenient and efficient. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 A structure diagram of the double-end screw rod convenient to disassemble is provided for the utility model;

[0016] Fig. 2 A structure diagram of the abutting mechanism of the double-end screw rod convenient to disassemble is provided for the utility model;

[0017] Fig. 3 A structure diagram of the abutting block of the double-end screw rod convenient to disassemble is provided for the utility model.

[0018] In the figure: 1 double-end screw rod, 2 first nut, 3 second nut, 4 mounting groove, 5 abutting block, 6 pressing rod, 7 locking hole, 8 locking bolt, 9 spring, 10 guide rod. DETAILED DESCRIPTION

[0019] 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.

[0020] Referring to Figs. 1-3 A double-end screw rod convenient to disassemble comprises a double-end screw rod 1, a first nut 2 is threadedly sleeved at the upper end of the double-end screw rod 1, a second nut 3 is threadedly sleeved at the lower end of the double-end screw rod 1, two mounting grooves 4 are arranged on the lower end face of the first nut 2, an abutting mechanism is arranged in each of the two mounting grooves 4, and a fixing mechanism is arranged on the side wall of the first nut 2.

[0021] The utility model discloses, the pressing rod 6 is fixed with the abutting block 5, and the abutting block 5 is fixed with the spring 9, and the spring 9 is fixed on the inner wall of the installation groove 4, and the inner wall of the installation groove 4 is fixed with the guide rod 10, and the pressing rod 6 is slidably connected on the guide rod 10, and the spring 9 is sleeved on the outside of the guide rod 10, and the one end of the pressing rod 6 is the hemispherical structure outside the first nut 2, the lower end of the abutting block 5 is equipped with the inclined plane, and the one side wall of the abutting block 5 is equipped with the antiskid line close to the pressing rod 6, and the protection is enhanced.

[0022] The fixed mechanism includes the locking hole 7 being set through on the side wall of the first nut 2, and the locking bolt 8 is screw connected in the locking hole 7, and the locking bolt 8 is abutted with the double -end screw rod 1 by tightening the locking bolt 8, can the first nut 2 be fixed on the double -end screw rod 1.

[0023] The utility model discloses when using, first the first nut 2 is screwed on the double -end screw rod 1, then tightens the locking bolt 8, and the first nut 2 is fixed on the double -end screw rod 1, then the double -end screw rod 1 is inserted into the hole to be installed, then the pressing rod 6 is pressed, and the two abutting blocks 5 are driven to approach each other, then the abutting block 5 is inserted into the hole to be installed, and the spring 9 is used on the abutting block 5 with the elastic force, so that the abutting block 5 is abutted in the hole to be installed, and then the double -end screw rod 1 can be fixed, and then the second nut 3 is screwed on the double -end screw rod 1 from the other end, and the double -end screw rod 1 needs to be disassembled, and the first nut 2 can be fixed with one end of the double -end screw rod 1, to form a stable fulcrum, so that the operator can more conveniently disassemble the second nut 3 of the other end of the double -end screw rod 1, and the working efficiency is improved.

[0024] The above, only for the utility model discloses preferable specific implementation, but the protection scope of the utility model does not limit to this, any familiar with the technical field of the technical personnel in the utility model discloses the technical range, according to the utility model technical scheme and the utility model concept of the utility model, equivalent replacement or change, all should be covered in the protection scope of the utility model.

Claims

1. A double-end screw for easy disassembly, comprising a double-end screw (1), characterized in that, The upper end of the double-end screw rod (1) is threadedly sleeved with a first nut (2), the lower end of the double-end screw rod (1) is threadedly sleeved with a second nut (3), the lower end surface of the first nut (2) is provided with two mounting grooves (4), the interiors of the two mounting grooves (4) are each provided with an abutting mechanism, and the side wall of the first nut (2) is provided with a fixing mechanism.

2. A double-headed screw according to claim 1, characterized in that The abutting mechanism comprises a pressing rod (6), one end of the pressing rod (6) penetrates through the inner wall of the mounting groove (4) and extends to the outside of the first nut (2), the pressing rod (6) is in sliding connection with the inner wall of the mounting groove (4), the pressing rod (6) is fixedly sleeved with an abutting block (5) on the side wall in the mounting groove (4), one end of the abutting block (5) away from the pressing rod (6) is fixedly connected with a spring (9), and one end of the spring (9) away from the abutting block (5) is fixedly connected to the inner wall of the mounting groove (4).

3. A double-headed screw according to claim 1, wherein The fixing mechanism comprises a locking hole (7) penetratingly arranged on the side wall of the first nut (2), and the locking hole (7) is internally threadedly connected with a locking bolt (8).

4. A double-headed screw according to claim 2, wherein The inner wall of the mounting groove (4) is fixedly connected with a guide rod (10), the pressing rod (6) is slidingly sleeved on the guide rod (10), and the spring (9) is sleeved on the outside of the guide rod (10).

5. A double-headed screw according to claim 2, wherein The end of the pressing rod (6) located outside the first nut (2) is in a semispherical structure.

6. A double-headed screw according to claim 2, wherein The lower end of the abutting block (5) is provided with an inclined surface, and the side wall of the abutting block (5) close to the pressing rod (6) is provided with anti-skid lines.

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