Bolt assembly

Abstract

The utility model discloses a bolt assembly, which relates to the technical field of bolts and comprises a bolt, a nut and a limiting sleeve sleeved outside the nut. The connecting piece is arranged between the limiting sleeve and the bolt and used for limiting downward movement of the nut, the connecting piece comprises two limiting rods arranged between the bolt and the limiting sleeve in a sleeving mode and further comprises locking pieces, the locking pieces and the limiting rods are arranged in a one-to-one correspondence mode, and the locking pieces are used for locking and limiting the limiting rods. The bolt assembly is characterized in that a locking piece is arranged between the bolt and the limiting sleeve, the locking piece comprises two inserting blocks which are connected to the limiting sleeve in a sliding mode, the inserting blocks and the limiting rods are arranged in a one-to-one correspondence mode, and the inserting blocks and the limiting sleeve are connected through a spring. And the situation that the nut slides is avoided, and then the bolt and the nut are connected more tightly.

Description

TECHNICAL FIELD

[0001] The utility model relates to bolt technical field, concretely relates to a bolt assembly. BACKGROUND

[0002] In the disclosure (announcement) number: CN110792680A disclosure (announcement) day: 2020-02-14, the name is a bolt assembly, the thread connection of bolt body is connected in the screw hole, rotates hexagonal bolt head and makes the thread connection department move towards the hole bottom direction of screw hole, makes locking block and stop block contact, and presses the movement of stop block in limit hole and overcome spring force, when locking anti-drop block is inserted into locking recess on locking block, the assembly between bolt body and locking nut is completed.The present application has the advantages of simple structure, good anti-theft effect, easy manufacturing, and the bolt body and locking nut are detachable structure, can be reused, avoid the traditional destructive disassembly, reduce waste, and good use effect.

[0003] In the prior art including the above patent, the bolt will appear silk or fall off in the process of using, and further cause the connection of the bolt not very stable. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a bolt assembly to solve the above-mentioned deficiencies in the prior art.

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

[0006] A bolt assembly, comprising a bolt and a nut, further comprising a limiting sleeve: the limiting sleeve is sleeved on the outside of the nut; a connecting piece: the connecting piece is arranged between the limiting sleeve and the bolt, and is used for limiting the downward movement of the nut.

[0007] Preferably, the connecting piece comprises two limiting rods sleeved between the bolt and the limiting sleeve.

[0008] Preferably, further comprising a locking piece, the locking piece is arranged one by one corresponding to each limiting rod, and the locking piece is used for locking and limiting each limiting rod.

[0009] Preferably, the locking piece comprises two plug-in blocks slidingly connected on the limiting sleeve, each plug-in block is arranged one by one corresponding to the limiting rod, and each plug-in block and the limiting sleeve are connected through a spring.

[0010] Preferably, a plurality of limiting grooves matched with the plug-in blocks are arranged on each limiting rod in linear equidistance in the axial direction.

[0011] In the above technical scheme, the bolt assembly provided by the utility model limits the nut through the connecting piece arranged between the bolt and the limiting sleeve, avoids the sliding of the nut, and makes the connection between the bolt and the nut more compact.

[0012] It should be understood that the foregoing general description and the following detailed description are only exemplary and explanatory in nature and are not intended to limit the present disclosure.

[0013] This application file provides an overview of various implementations or examples of the technology described in this disclosure and is not intended to be a comprehensive or exhaustive disclosure of the technology. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments described in the utility model, and other drawings can also be obtained by those skilled in the art according to these drawings.

[0015] Fig. 1 The mounting structure diagram of the bolt provided by the utility model embodiment is shown in the figure.

[0016] Fig. 2 The limiting rod structure diagram provided by the utility model embodiment is shown in the figure.

[0017] Fig. 3 The limiting sleeve structure diagram provided by the utility model embodiment is shown in the figure.

[0018] Explanation of reference signs:

[0019] 1, bolt; 1.1, nut; 1.2, limiting sleeve; 1.20, mounting groove; 1.21, spring; 1.22, plug-in block; 1.3, limiting rod; 1.30, limiting groove. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the embodiments of the present disclosure clearer, the technical scheme of the embodiments of the present disclosure will be described clearly and completely below in combination with the drawings of the embodiments of the present disclosure. Obviously, the described embodiments are part of the embodiments of the present disclosure, not all the embodiments. Based on the described embodiments of the present disclosure, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the present disclosure.

[0021] Referring to Figs. 1-3 The utility model provides a bolt 1 assembly, including bolt 1 and nut 1.1, still including limiting sleeve 1.2: its sleeve sets in the outside of nut 1.1;

[0022] The connecting piece is arranged between the limiting sleeve 1.2 and the bolt 1, and is used for limiting the downward movement of the nut 1.1.

[0023] The connecting piece comprises two limiting rods 1.3 arranged between the bolt 1 and the limiting sleeve 1.2.

[0024] The locking piece is arranged in one-to-one correspondence with each limiting rod 1.3, and is used for locking and limiting each limiting rod 1.3.

[0025] The locking piece comprises two plug-in blocks 1.22 slidably connected to the limiting sleeve 1.2, each plug-in block 1.22 is arranged in one-to-one correspondence with the limiting rod 1.3, and each plug-in block 1.22 is connected to the limiting sleeve 1.2 through a spring 1.21.

[0026] A plurality of limiting grooves 1.30 adapted to the plug-in block 1.22 are arranged in the axial direction of each limiting rod 1.3 in a linear and equidistant manner.

[0027] Specifically, two through holes adapted to the limiting rod 1.3 are arranged in the radial direction of the head of the bolt 1, the rod of the bolt 1 is threadedly connected with a nut 1.1 adapted thereto, the limiting sleeve 1.2 is coaxially sleeved outside the nut 1.1, a through hole adapted to the limiting rod 1.3 is arranged at the position of the limiting rod 1.3 on the limiting sleeve 1.2, an installation groove 1.20 is arranged in the radial direction of each through hole, a plug-in block 1.22 is slidably connected in each installation groove 1.20, a spring 1.21 is fixedly connected in each installation groove 1.20, one end of each spring 1.21 is fixedly connected to the plug-in block 1.22 arranged in correspondence therewith, and a limiting groove 1.30 adapted to the plug-in block 1.22 is arranged in the axial direction of each limiting rod 1.3.

[0028] In the process of use, after the nut 1.1 is screwed to the appropriate position, the limiting sleeve 1.2 is inserted into the outside of the nut 1.1, and then each limiting rod 1.3 is inserted into the through hole in the head of the bolt 1 and the limiting sleeve 1.2, so that each plug-in block 1.22 is inserted into the limiting groove 1.30 arranged in correspondence therewith, thereby achieving locking and limiting of the nut 1.1.

[0029] The above only describes certain exemplary embodiments of the present application by way of illustration, without doubt, for ordinary skilled in the art, without departing from the spirit and scope of the present application, the described embodiments can be modified in various ways. Therefore, the above figures and description are illustrative in nature and should not be construed as limiting the scope of protection claimed by the present application.

Claims

1. A bolt (1) assembly comprising a bolt (1) and a nut (1.1), characterized in that, Further comprising a limiting sleeve (1.2) sleeved outside the nut (1.1); A connecting piece is arranged between the limiting sleeve (1.2) and the bolt (1), and is used for limiting the downward movement of the nut (1.1).

2. A bolt (1) assembly according to claim 1, characterized in that The connecting piece comprises two limiting rods (1.3) sleeved between the bolt (1) and the limiting sleeve (1.2).

3. A bolt (1) assembly according to claim 2, characterised in that Further comprising a locking piece corresponding to each limiting rod (1.3), and the locking piece is used for locking each limiting rod (1.3).

4. A bolt (1) assembly according to claim 3, characterised in that The locking piece comprises two plug-in blocks (1.22) slidably connected to the limiting sleeve (1.2), each plug-in block (1.22) is arranged corresponding to the limiting rod (1.3), and each plug-in block (1.22) is connected to the limiting sleeve (1.2) through a spring (1.21).

5. A bolt (1) assembly according to claim 4, characterised in that A plurality of limiting grooves (1.30) corresponding to the plug-in block (1.22) are linearly and equidistantly arranged in the axial direction of each limiting rod (1.3).

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