CN210637347U

CN210637347U - Adjustable double-headed screw

Info

Publication number: CN210637347U
Application number: CN201921808416.0U
Authority: CN
Inventors: 游江云
Original assignee: Wenzhou Xiongtu Fastener Co Ltd
Current assignee: Wenzhou Xiongtu Fastener Co Ltd
Priority date: 2019-10-25
Filing date: 2019-10-25
Publication date: 2020-05-29
Anticipated expiration: 2029-10-25

Abstract

The utility model discloses a double-end screw with adjustable, including fixed column and external screw thread, the top of fixed column and the equal fixedly connected with slide bar in bottom, the outside cover of slide bar is equipped with the sliding sleeve, the outside of sliding sleeve is horizontal slip and has inlayed the spacing post that runs through sliding sleeve and slide bar, the spacing hole that the multiunit is vertical distribution is seted up in the outside that the inside of slide bar is located spacing post, the jack has been seted up in the outside that the inside of sliding sleeve is located spacing post. The utility model discloses in, adopt the adjustable structure of combination, the turn processing and the equipment of the double-end screw of being convenient for are used, can carry out the regulation of double-end screw size simultaneously according to actual fastening demand and handle, and the regulation fastening of the double-end screw of both being convenient for is used, has also promoted double-end screw's suitability simultaneously.

Description

Adjustable double-headed screw

Technical Field

The utility model relates to a double-end screw technical field especially relates to a double-end screw with adjustable.

Background

Studs (Stud), also known as studs or studs. The double-head bolt is used for connecting a fixed link function of machinery, both ends of the double-head bolt are provided with threads, and a screw rod in the middle of the double-head bolt is thick and thin. The method is generally used for mining machinery, bridges, automobiles, motorcycles, boiler steel structures, tower cranes, large-span steel structures, large-scale buildings and the like.

However, the existing double-head screw has the disadvantages that: most adopt the integral type structure, add man-hour need customize the processing according to the in-service use demand, corresponding model is selected to the demand during simultaneous material selection, is difficult to according to the in-service use demand, carries out the regulation of double-end screw size and handles, and the actual fastening of the double-end screw of not being convenient for uses, and the suitability is relatively poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the adjustable double-headed screw aims to solve the problem that the size of the traditional integrated double-headed screw is difficult to adjust and process due to the fact that the corresponding model is required to be selected during machining and material selection.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a double-end screw with adjustable, includes fixed column and external screw thread, the top of fixed column and the equal fixedly connected with slide bar in bottom, the outside cover of slide bar is equipped with the sliding sleeve, the outside of sliding sleeve is horizontal slip and has inlayed the spacing post that runs through sliding sleeve and slide bar, the spacing hole that the multiunit is vertical distribution is seted up in the outside that the inside of slide bar is located spacing post, the jack has been seted up in the outside that the inside of sliding sleeve is located spacing post.

As a further description of the above technical solution:

the fixed column and the limiting column are integrally made of No. 45 steel.

As a further description of the above technical solution:

the whole sliding sleeve is made of high-carbon steel.

As a further description of the above technical solution:

the inside of sliding sleeve is located the outside of slide bar and is seted up the slide opening that is the rectangle structure, and the interior surface wall of slide opening and the exterior wall of slide bar laminate each other.

As a further description of the above technical solution:

the horizontal section of the slide bar is of a rectangular structure, and round corners are arranged on four sides of the slide bar.

As a further description of the above technical solution:

the multiple groups of limiting holes and the jacks are in transition fit with the limiting columns.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, structure with adjustable adopt the combination, this stud is by the fixed column, sliding sleeve and spacing post triplex are constituteed, can be according to processing and user demand of reality, pass through the slide opening with two sets of sliding sleeves and carry out the sliding adjustment on the slide bar of fixed column and handle, after suitable size is adjusted to two sets of sliding sleeves, alright insert the spacing downthehole of assigned position department in the slide bar with the jack on the spacing post through the sliding sleeve, just accomplished regulation and spacing fixed processing between fixed column and the two sets of sliding sleeves, the double-end screw's of being convenient for batch processing and equipment use of this kind of structure, can carry out the regulation processing of double-end screw size according to actual fastening demand simultaneously, the regulation fastening of the double-end screw of both being convenient for is used, the suitability of.

Drawings

Fig. 1 shows a schematic structural diagram provided according to an embodiment of the present invention;

fig. 2 shows an exploded view provided in accordance with an embodiment of the present invention;

fig. 3 shows a schematic cross-sectional structure diagram at a-a according to an embodiment of the present invention.

Illustration of the drawings:

1. fixing a column; 101. a slide bar; 102. a limiting hole; 103. round corners; 2. a sliding sleeve; 201. an external thread; 202. a jack; 203. a slide hole; 3. a limiting column.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a double-end screw with adjustable, includes fixed column 1 and external screw thread 201, the equal fixedly connected with slide bar 101 in the top and the bottom of fixed column 1, the outside cover of slide bar 101 is equipped with sliding sleeve 2, sliding sleeve 2's outside is horizontal slip and has inlayed spacing post 3 that runs through sliding sleeve 2 and slide bar 101, the spacing hole 102 that the multiunit is vertical distribution is seted up in the outside that the inside of slide bar 101 is located spacing post 3, jack 202 has been seted up in the outside that the inside of sliding sleeve 2 is located spacing post 3.

Specifically, as shown in fig. 1-3, the fixed column 1 and the limiting column 3 are integrally made of No. 45 steel, so that the overall mechanical performance and the impact resistance effect of the column body part of the double-head screw are improved, the sliding sleeve 2 is integrally made of high-carbon steel, the abrasion resistance and the hardness of the threaded part of the double-head screw are improved, the impact resistance effect and the strength of the whole double-head screw are improved due to the combination of the structure, and the service life of the double-head screw is prolonged.

Specifically, as shown in fig. 1-3, a slide hole 203 in a rectangular structure is disposed in the outside of the slide rod 101 inside the slide sleeve 2, the inner surface wall of the slide hole 203 and the outer surface wall of the slide rod 101 are attached to each other, the horizontal cross section of the slide rod 101 is in a rectangular structure, and fillets 103 are disposed on four sides of the slide rod 101, multiple sets of limiting holes 102 and jacks 202 are in transition fit with the limiting posts 3, the selection of the transition fit mode improves the fixing post 1, the stability of the insertion and fixation between the slide sleeve 2 and the limiting posts 3, the slide hole 203 and the slide rod 101 in a rectangular structure are arranged, the slide of the slide sleeve 2 in the vertical direction on the slide rod 101 is facilitated, the generation of the lateral rotation phenomenon of the slide sleeve 2 on the slide rod 101 can be limited, the fillets 103 are arranged, the generation of burrs on the sides of the slide rod 101 is reduced, and the sliding adjustment.

The working principle is as follows: during the use, according to the fastening demand of reality, when the size of stud needs to be adjusted, slide into the outside of slide bar 101 with two sets of sliding sleeves 2 through slide opening 203, and carry out the slip regulation of vertical direction and handle in the outside of slide bar 101, after two sets of sliding sleeves 2 adjusted suitable interval in fixed column 1 outside, alright pass through jack 202 on the sliding sleeve 2 with spacing post 3, insert in the spacing hole 102 of the inside assigned position department of slide bar 101, just accomplished regulation and fixed processing between fixed column 1 and two sets of sliding sleeves 2, the fixed back of overall regulation, alright carry out the fastening use of stud.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a double-end screw with adjustable, includes fixed column (1) and external screw thread (201), its characterized in that, the top and the equal fixedly connected with slide bar (101) in bottom of fixed column (1), the outside cover of slide bar (101) is equipped with sliding sleeve (2), the outside of sliding sleeve (2) is that the level slip has spacing post (3) of running through sliding sleeve (2) and slide bar (101), spacing hole (102) that the multiunit is vertical distribution are seted up in the outside that the inside of slide bar (101) is located spacing post (3), jack (202) have been seted up in the outside that the inside of sliding sleeve (2) is located spacing post (3).

2. The adjustable double-headed screw according to claim 1, wherein the fixed column (1) and the limiting column (3) are both made of 45-grade steel as a whole.

3. Adjustable double-ended screw according to claim 1, characterised in that the sliding sleeve (2) is entirely made of high carbon steel.

4. The adjustable double-headed screw according to claim 1, wherein the sliding sleeve (2) is provided with a sliding hole (203) with a rectangular structure at the outer side of the sliding rod (101), and the inner surface wall of the sliding hole (203) is attached to the outer surface wall of the sliding rod (101).

5. The adjustable double-headed screw according to claim 4, wherein the horizontal section of the sliding rod (101) is rectangular, and the four sides of the sliding rod (101) are provided with round corners (103).

6. The adjustable double-headed screw according to claim 1, wherein the multiple sets of limiting holes (102) and the inserting holes (202) are in transition fit with the limiting columns (3).