CN211975627U

CN211975627U - Stud bolt

Info

Publication number: CN211975627U
Application number: CN201921891312.0U
Authority: CN
Inventors: 范旭超; 范艳普; 王文
Original assignee: Ningbo Qingxi Metal Intelligent Technology Co ltd
Current assignee: Ningbo Hexin Standard Parts Co.,Ltd.
Priority date: 2019-11-05
Filing date: 2019-11-05
Publication date: 2020-11-20
Anticipated expiration: 2029-11-05

Abstract

The utility model provides a stud, including the bolt body, one side of bolt body is fixed with first thread pole, and settle one side of its bolt body has fixed establishment, and the surface threaded connection of first thread pole has first nut, the opposite side of bolt body is connected with second thread pole, and the surface threaded connection of second thread pole has the second nut, and size adjustment mechanism settles in the inside of bolt body, and size adjustment mechanism's inside is including first spout, constitute the integration through the fluting between first spout and the bolt body and be connected, and the muffjoint has the slider in the first spout, the one end welded connection that the slider is close to bolt body central line has flexible interior pole. The utility model discloses in, through manual pulling second thread pole, can drive flexible interior pole and slide in first spout through the slider to reach adjusting bolt's length, make the size of its bolt nimble changeable, adapt to more work needs.

Description

Stud bolt

Technical Field

The utility model relates to a stud technical field especially relates to a stud.

Background

The stud bolt is used for connecting the fixed linking function of machinery, the two ends of the stud bolt are both provided with threads, the middle screw rod is provided with a thick and a thin stud bolt or stud bolt, and the stud bolt is generally used for mining machinery, bridges, automobiles, motorcycles, boiler steel structures, hoisting towers, large-span steel structures, large buildings and the like.

When the existing double-end bolt is used, if the environment of work vibrates, the nut of the double-end bolt can be loosened and fall off due to long-term vibration, the length of the bolt is fixed, the bolt cannot adapt to overlong working environment, and the bolts of other specifications and sizes need to be replaced.

Therefore, it is necessary to provide a stud bolt to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a stud has solved current double-end bolt, and when it used, if the environmental vibration of work was beaten, long-term vibration can make stud's nut take place not hard up the condition that drops, and the length of its bolt is fixed, the operational environment of unable adaptation overlength still need change the problem of other specification and dimension's bolt.

In order to solve the technical problems, the utility model provides a stud bolt, which comprises a bolt body, wherein a first thread rod is fixed on one side of the bolt body, one side of the bolt body is provided with a fixing mechanism, the surface of the first thread rod is connected with a first nut in a threaded manner, the other side of the bolt body is connected with a second thread rod, the surface of the second thread rod is connected with a second nut in a threaded manner, the size adjusting mechanism is arranged inside the bolt body, and the inside of the size adjusting mechanism comprises a first sliding chute which is integrally connected with the bolt body through a slot, a sliding block is sleeved and connected in the first sliding groove, one end of the sliding block close to the central line of the bolt body is welded and connected with a telescopic inner rod, and the telescopic inner rod and the second screw thread rod are connected in a welding manner, and anti-falling mechanisms are arranged on the surfaces of the first screw thread rod and the second screw thread rod.

Preferably, the telescopic inner rod is connected with the bolt body in a sleeved mode, and the telescopic inner rod forms a sliding structure with the first sliding groove through the sliding block.

Preferably, fixed establishment's inside is including the connecting block, and is welded connection between connecting block and the bolt body, cup joint in the connecting block and be connected with the bolt, and the bottom of bolt is connected with the draw-in groove.

Preferably, the clamping groove and the telescopic inner rod form an integrated connection through the slot, and the clamping groove and the plug pin are in plug connection.

Preferably, the anti-falling mechanism comprises a second sliding groove, the second sliding groove is integrally connected with the first screw rod and the second screw rod through a slot, a clamping block is connected in the second sliding groove in an sleeved mode, and a fixing bolt is connected to the inner thread of the clamping block in a threaded mode.

Preferably, the fixing bolt is movably connected with the second sliding groove, and the clamping block is movably connected with the second sliding groove.

Compared with the prior art, the utility model provides a pair of stud has following beneficial effect:

the utility model provides a stud, in this use is novel, through manual pulling second thread pole, can drive flexible interior pole and slide in first spout through the slider, thereby reach adjusting bolt's length, make the size of its bolt nimble changeable, adapt to more work needs, through inserting the bolt in the connecting block, the draw-in groove that second thread pole surface equidistance was seted up is deuterogamied, can fix its second thread pole, make it in the work use, can not drive flexible interior pole and remove because of twisting the nut that moves two changes, through the fixture block in the second spout, can support first nut and second nut, support and prevent that first nut and second nut from taking place the condition that drops, and pass through fixing bolt, can fix its fixture block in the second spout, prevent that the fixture block is not hard up.

Drawings

Fig. 1 is a schematic structural view of a side surface of a preferred embodiment of a stud bolt according to the present invention;

FIG. 2 is a schematic structural view of the size adjustment mechanism shown in FIG. 1;

FIG. 3 is a schematic structural view of the securing mechanism shown in FIG. 1;

fig. 4 is a side view of the anti-drop mechanism shown in fig. 1.

Reference numbers in the figures: 1. bolt body, 2, first thread pole, 3, first nut, 4, second thread pole, 5, second nut, 6, size adjustment mechanism, 601, first spout, 602, slider, 603, flexible interior pole, 7, fixed establishment, 701, connecting block, 702, bolt, 703, draw-in groove, 8, anti-drop mechanism, 801, second spout, 802, fixture block, 803, fixing bolt.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, fig. 1 is a schematic side view of a stud bolt according to a preferred embodiment of the present invention; FIG. 2 is a schematic structural view of the size adjustment mechanism shown in FIG. 1; FIG. 3 is a schematic structural view of the securing mechanism shown in FIG. 1; fig. 4 is a side view of the anti-drop mechanism shown in fig. 1. A stud bolt comprises a bolt body 1, wherein a first thread rod 2 is fixed on one side of the bolt body 1, a fixing mechanism 7 is arranged on one side of the bolt body 1, a first nut 3 is connected to the surface of the first thread rod 2 in a threaded manner, a second thread rod 4 is connected to the other side of the bolt body 1, a second nut 5 is connected to the surface of the second thread rod 4 in a threaded manner, a size adjusting mechanism 6 is arranged inside the bolt body 1, a first sliding groove 601 is arranged inside the size adjusting mechanism 6, the first sliding groove 601 and the bolt body 1 are integrally connected through a groove, a sliding block 602 is connected in the first sliding groove 601 in an sleeved manner, an inner telescopic rod 603 is connected to one end, close to the central line of the bolt body 1, of the sliding block 602 in a welded manner, the inner telescopic rod 603 is connected to the second thread rod 4 in a welded manner, and an anti-falling mechanism 8 is arranged on the surfaces of the first thread rod 2 and the second thread rod 4, the telescopic inner rod 603 can slide in the first sliding groove 601 through the sliding block 602.

The telescopic inner rod 603 is connected with the bolt body 1 in a sleeved mode, the telescopic inner rod 603 forms a sliding structure through the sliding block 602 and the first sliding groove 601, and the length of the bolt can be adjusted.

Fixing mechanism 7's inside is including connecting block 701, and is welded connection between connecting block 701 and the bolt body 1, and the cover coupling has connect bolt 702 in connecting block 701, and the bottom of bolt 702 is connected with draw-in groove 703, and the through-hole has been seted up to connecting block 701's inside, swing joint between bolt 702 and the through-hole of connecting block 701.

The clamping groove 703 and the telescopic inner rod 603 are integrally connected through a slot, and the clamping groove 703 and the plug 702 are in plug connection, so that the telescopic inner rod 603 and the bolt body 1 can be fixed.

The anti-falling mechanism 8 includes a second sliding groove 801 inside, the second sliding groove 801 and the first screw rod 2 and the second screw rod 4 are integrally connected through a slot, a fixture block 802 is connected inside the second sliding groove 801, a fixing bolt 803 is connected inside the fixture block 802 in a threaded manner, and the first nut 3 and the second nut 5 can be abutted by the fixture block 802.

The fixing bolt 803 is movably connected with the second sliding groove 801, and the clamping block 802 is movably connected with the second sliding groove 801, so that the first nut 3 and the second nut 5 are prevented from loosening and falling off.

The utility model provides a pair of stud's theory of operation as follows:

when the anti-loosening clamping fixture is used, firstly, according to working requirements, the second thread rod 4 is pulled manually, the telescopic inner rod 603 slides in the first sliding groove 601 through the sliding block 602, the length of the bolt is adjusted, the bolt 702 is inserted into the connecting block 701 and then matched with the clamping grooves 703 formed in the surface of the second thread rod 4 at equal intervals, the second thread rod 4 can be fixed, the first nut 3 is screwed and sleeved on the first thread rod 2, the second nut 5 is screwed and sleeved on the second thread rod 4, then the clamping block 802 is inserted into the second sliding groove 801 and abuts against the first nut 3 and the second thread rod 4, the nut is prevented from loosening and falling off, and then the clamping block 802 is fixed in the second sliding groove 801 by screwing the fixing bolt 803, so that the clamping block 802 is prevented from loosening.

1. this use is novel, through manual pulling second thread pole 4, can drive flexible interior pole 603 and slide in first spout 601 through slider 602 to reach adjusting bolt's length, make the size of its bolt nimble changeable, adapt to more work needs.

2. This use is novel, through in inserting connecting block 701 with bolt 702, coordinates the draw-in groove 703 that 4 surperficial equidistance of second thread pole were seted up again, can fix its second thread pole 4, makes it in the work use, can not be because of twisting the nut that moves two changes and driving telescopic inner rod 603 and remove.

3. This use is novel, through fixture block 802 in the second spout 801, can support first nut 3 and second nut 5, prevents that first nut 3 and second nut 5 from taking place the condition that drops, and through fixing bolt 803, can fix its fixture block 802 in second spout 801, prevents that fixture block 802 from becoming flexible.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. A stud bolt comprising a bolt body (1), characterized in that: a first screw thread rod (2) is fixed on one side of the bolt body (1), a fixing mechanism (7) is arranged on one side of the bolt body (1), a first nut (3) is connected to the surface of the first screw thread rod (2) in a threaded manner, a second screw thread rod (4) is connected to the other side of the bolt body (1), a second nut (5) is connected to the surface of the second screw thread rod (4) in a threaded manner, a size adjusting mechanism (6) is arranged inside the bolt body (1), a first sliding groove (601) is formed inside the size adjusting mechanism (6), the first sliding groove (601) and the bolt body (1) are integrally connected through a groove, a sliding block (602) is connected in the first sliding groove (601) in a sleeved manner, a telescopic inner rod (603) is welded and connected to one end, close to the central line of the bolt body (1), of the sliding block (602), and the telescopic inner rod (603) and the second screw thread rod (4) are welded and connected, the surfaces of the first screw thread rod (2) and the second screw thread rod (4) are provided with anti-falling mechanisms (8).

2. The stud bolt according to claim 1, wherein the telescopic inner rod (603) is connected with the bolt body (1) in a sleeved manner, and the telescopic inner rod (603) forms a sliding structure with the first sliding groove (601) through the sliding block (602).

3. The stud bolt according to claim 1, wherein the fixing mechanism (7) comprises a connecting block (701) inside, the connecting block (701) is connected with the bolt body (1) in a welding manner, a plug pin (702) is sleeved in the connecting block (701), and a clamping groove (703) is connected to the bottom end of the plug pin (702).

4. The stud bolt of claim 3, wherein the slot (703) and the telescopic inner rod (603) are integrally connected through a slot, and the slot (703) and the plug pin (702) are connected in an inserting manner.

5. The stud bolt according to claim 1, wherein the anti-drop mechanism (8) includes a second sliding groove (801) inside, the second sliding groove (801) is integrally connected with the first threaded rod (2) and the second threaded rod (4) through a slot, a clamping block (802) is sleeved in the second sliding groove (801), and a fixing bolt (803) is connected to the clamping block (802) through a thread inside.

6. The stud bolt of claim 5, wherein the fixing bolt (803) is movably connected to the second sliding groove (801), and the clamping block (802) is movably connected to the second sliding groove (801).