CN217814454U

CN217814454U - High-strength anti-loosening bolt

Info

Publication number: CN217814454U
Application number: CN202221741538.4U
Authority: CN
Inventors: 张书翰
Original assignee: Ningbo Swi Kuo Industrial Co ltd
Current assignee: Ningbo Swi Kuo Industrial Co ltd
Priority date: 2022-07-06
Filing date: 2022-07-06
Publication date: 2022-11-15
Anticipated expiration: 2032-07-06

Abstract

The utility model relates to a fastener technical field just discloses an anti not hard up bolt of excelling in, the nut comprises a nut, the mid-mounting of nut bottom has the screw rod, the outside of screw rod is provided with the external screw thread, octagonal nut is installed to the bottom screw thread of screw rod, the bottom movable sleeve of screw rod is equipped with the stop collar, stop collar activity suit is in octagonal nut's the outside, evenly distributed's fixed slot is seted up in octagonal nut's the outside. The utility model discloses a cross draw-in groove can make things convenient for the use tool to alternate wherein, is convenient for twist the nut and moves to can drive the screw rod and carry out screw thread transmission with octagonal nut, can fasten the target object, at the in-process of screwing up, the high rigidity centrum can extrude the bottom of target object, and can press down formation recess to the bottom of target object, the high rigidity centrum alternates in the inside of recess, can play spacing effect to octagonal nut, prevent to take place relative slip between octagonal nut and the target object.

Description

High-strength anti-loosening bolt

Technical Field

The utility model relates to a fastener technical field especially relates to an anti not hard up bolt of excelling in.

Background

The bolt belongs to mechanical parts, be the cylindrical threaded fastener of adapted nut, a part for two have the through-hole of fastening connection, current bolt is when using, through the bolt interlude in the hole with the nut cooperation, can screw up target object, but in long-time use, because the situation of expend with heat and contract with cold takes place for the material, and make the outside slippage of nut from the bolt, thereby cause the not hard up condition between bolt and the nut, the influence is to target object's fastening effect, the anti bolt that loosens of high strength is proposed to above-mentioned condition and is solved the above-mentioned problem that proposes.

SUMMERY OF THE UTILITY MODEL

The purpose of the utility model is to solve the shortcoming that exists among the prior art, if: the existing bolt has the problem that when the bolt is used for a long time, due to the fact that materials expand with heat and contract with cold, the nut slips from the outer side of the bolt, and accordingly loosening between the bolt and the nut is caused.

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

the utility model provides an anti not hard up bolt of excelling in, includes the nut, the mid-mounting of nut bottom has the screw rod, the outside of screw rod is provided with the external screw thread, eight corner nut is installed to the bottom screw thread of screw rod, the bottom movable sleeve of screw rod is equipped with the stop collar, stop collar movable sleeve is in eight corner nut's the outside, evenly distributed's fixed slot is seted up in eight corner nut's the outside, fixed establishment is installed at the left top of stop collar, fixed establishment's right side is passed the stop collar and the activity alternates in the inside of fixed slot, the constant head tank corresponding with the fixed slot is seted up to eight corner nut's bottom, the locating piece is all installed to the both sides of the interior diapire of stop collar, the top activity of locating piece alternates in the inside of constant head tank.

Preferably, the fixing mechanism comprises a fixing frame installed at the top of the left side of the limiting sleeve, an adjusting rod is transversely movably inserted into the fixing frame, a movable baffle is installed on the right side of the adjusting rod, a fixing rod is installed in the middle of the right side of the movable baffle, the fixing rod is movably inserted into the fixing groove, a reset spring is installed on the left inner wall of the fixing frame, and the right side of the reset spring is connected with the movable baffle.

Preferably, the vertical spacing groove of evenly distributed of seting up in the outside of screw rod, the stopper is all installed to the both sides of stop collar bottom inner wall, the one end that the stop collar was kept away from to the stopper is the activity respectively and alternates in the inside of spacing groove.

Preferably, high-hardness centrums are arranged on two sides of the top end of the octagonal nut.

Preferably, a spring gasket is movably sleeved at the top of the screw rod and is positioned below the screw cap.

Preferably, the middle part of the top end of the nut is provided with a cross clamping groove.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) The utility model discloses a cross draw-in groove can make things convenient for the use tool to alternate wherein, is convenient for twist the nut and moves to can drive the screw rod and carry out screw thread transmission with octagonal nut, can fasten the target object, at the in-process of screwing up, the high rigidity centrum can extrude the bottom of target object, and can press down formation recess to the bottom of target object, the high rigidity centrum alternates in the inside of recess, can play spacing effect to octagonal nut, prevent to take place relative slip between octagonal nut and the target object.

(2) The utility model discloses a stopper alternates in the inside of spacing groove, make the stop collar install the bottom at octagonal nut, can make between stop collar and the screw rod remain stable, prevent that the stop collar from taking place to rotate in the outside of screw rod, adjust the position of stop collar, make the locating piece activity respectively alternate in the inside of constant head tank, can fix a position between screw rod and octagonal nut, prevent to take place relative slip between screw rod and the octagonal nut, and through reset spring to adjustable fender's promotion, can drive the dead lever and alternate in the inside of fixed slot, can fix the stop collar, make the stop collar can be the suit in octagonal nut's the outside all the time, prevent to take place the not hard up condition between octagonal nut and the bolt.

Drawings

FIG. 1 is a schematic view of the overall internal structure of the present invention;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1;

fig. 3 is a schematic structural diagram of a first embodiment of the present invention;

fig. 4 is a schematic structural diagram of a second embodiment of the present invention.

In the figure: 1. a nut; 2. a spring washer; 3. a screw; 4. a high-hardness vertebral body; 5. a cross clamping groove; 6. an external thread; 7. a limiting groove; 8. an octagonal nut; 9. a fixing mechanism; 91. a fixed mount; 92. a return spring; 93. adjusting a rod; 94. a movable baffle; 95. a fixing rod; 10. a limiting sleeve; 11. a fixing groove; 12. a limiting block; 13. positioning a groove; 14. and (5) positioning the blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-4, a high-strength anti-loosening bolt comprises a nut 1, a cross slot 5 is arranged in the middle of the top end of the nut 1, the cross-shaped clamping groove 5 can facilitate the penetration of a tool for screwing the screw cap 1, the middle part of the bottom end of the screw cap 1 is provided with a screw rod 3, the top part of the screw rod 3 is movably sleeved with a spring gasket 2, the spring gasket 2 is positioned below the screw cap 1, the situation that the screw cap 1 and a target object slide can be prevented through the spring gasket 2, the outer side of the screw rod 3 is provided with the external thread 6, the bottom thread of the screw rod 3 is provided with the octagonal nut 8, the two sides of the top end of the octagonal nut 8 are provided with the high-hardness cone 4, the high-hardness cone 4 can extrude the bottom of the target object in the screwing process, and can press down the bottom to the target object and form the recess, high rigidity centrum 4 alternates in the inside of recess, can play spacing effect to octagonal nut 8, prevent to take place the relative slip between octagonal nut 8 and the target object, the bottom movable sleeve of screw rod 3 is equipped with stop collar 10, stop collar 10 activity suit is in octagonal nut 8's the outside, evenly distributed's fixed slot 11 is seted up in octagonal nut 8's the outside, fixed establishment 9 is installed at the left top of stop collar 10, fixed establishment 9's right side is passed stop collar 10 and the activity alternates in the inside of fixed slot 11, locating slot 13 corresponding with fixed slot 11 is seted up to octagonal nut 8's bottom, locating piece 14 is all installed to the both sides of the interior diapire of stop collar 10, the top activity of locating piece 14 alternates in the inside of locating slot 13, locating piece 14 activity alternates in the inside of locating slot 13 respectively, can fix a position between screw rod 3 and octagonal nut 8, prevent to take place the relative slip between screw rod 3 and the octagonal nut 8.

The first embodiment is as follows:

as shown in fig. 3, fixing mechanism 9 is including installing mount 91 at the top of stop collar 10 left side, the inside horizontal activity interlude of mount 91 has regulation pole 93, adjustable fender 94 is installed on the right side of regulation pole 93, the mid-mounting on adjustable fender 94 right side has dead lever 95, dead lever 95 activity interlude is in the inside of fixed slot 11, reset spring 92 is installed to the left inner wall of mount 91, reset spring 92's right side is connected with adjustable fender 94, through reset spring 92 to adjustable fender 94's promotion, can drive dead lever 95 and alternate in the inside of fixed slot 11, can fix stop collar 10, make stop collar 10 can always the suit in octagonal nut 8's the outside, prevent to take place not hard up condition between octagonal nut 8 and the bolt.

The second embodiment:

as shown in fig. 4, the vertical spacing groove 7 of evenly distributed of seting up in the outside of screw rod 3, stopper 12 is all installed to the both sides of stop collar 10 bottom inner wall, stopper 12 keeps away from the one end of stop collar 10 and moves about respectively and alternates in the inside of spacing groove 7, alternates in the inside of spacing groove 7 through stopper 12, makes stop collar 10 install in octagonal nut 8's bottom, can make and keep stable between stop collar 10 and the screw rod 3, prevents that stop collar 10 from taking place to rotate in the outside of screw rod 3.

The utility model discloses in, the user uses during the device, alternate screw rod 3 inside the target hole, install octagonal nut 8 in screw rod 3's bottom, make the high rigidity centrum 4 at octagonal nut 8 top and the bottom contact of target object, along with twist nut 1 drives screw rod 3 and octagonal nut 8 and carry out screw transmission, screw down octagonal nut 8 and target object gradually, make the top of high rigidity centrum 4 alternate in target object, then embolia stop collar 10 from screw rod 3's below, make stopper 12 alternate in the inside of spacing groove 7, stop collar 10 installs the bottom at octagonal nut 8, adjust the position of stop collar 10, make locating piece 14 activity respectively alternate in the inside of constant head tank 13, can fix a position between screw rod 3 and octagonal nut 8, prevent that relative slip from taking place between screw rod 3 and the octagonal nut 8, and through reset spring 92 to the promotion of adjustable fender 94, can drive dead lever 95 and alternate in the inside of 11, can fix stop collar 10, make stop collar 10 can be all the time at octagonal nut 8's the outside.

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.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Claims

1. The utility model provides an anti not hard up bolt of excelling in, includes nut (1), its characterized in that, the mid-mounting of nut (1) bottom has screw rod (3), the outside of screw rod (3) is provided with external screw thread (6), octagonal nut (8) are installed to the bottom screw thread of screw rod (3), the bottom movable sleeve of screw rod (3) is equipped with stop collar (10), stop collar (10) activity suit is in the outside of octagonal nut (8), evenly distributed's fixed slot (11) are seted up in the outside of octagonal nut (8), fixed establishment (9) are installed at the left top of stop collar (10), the right side of fixed establishment (9) is passed stop collar (10) and the activity is alternates in the inside of fixed slot (11), locating slot (13) corresponding with fixed slot (11) have been seted up to the bottom of octagonal nut (8), locating piece (14) are all installed to the both sides of the interior diapire of stop collar (10), the top activity of locating piece (14) alternates in the inside of locating slot (13).

2. The high-strength anti-loosening bolt as claimed in claim 1, wherein the fixing mechanism (9) comprises a fixing frame (91) installed at the top of the left side of the limiting sleeve (10), an adjusting rod (93) is transversely movably inserted into the fixing frame (91), a movable baffle (94) is installed on the right side of the adjusting rod (93), a fixing rod (95) is installed in the middle of the right side of the movable baffle (94), the fixing rod (95) is movably inserted into the fixing groove (11), a return spring (92) is installed on the left inner wall of the fixing frame (91), and the right side of the return spring (92) is connected with the movable baffle (94).

3. The high-strength anti-loosening bolt according to claim 1 is characterized in that evenly distributed limiting grooves (7) are vertically formed in the outer side of the screw (3), limiting blocks (12) are mounted on two sides of the inner wall of the bottom of the limiting sleeve (10), and one ends, far away from the limiting sleeve (10), of the limiting blocks (12) are movably inserted into the limiting grooves (7) respectively.

4. A high-strength anti-loosening bolt according to claim 1, wherein high-hardness cones (4) are mounted on both sides of the top end of the octagonal nut (8).

5. The high-strength anti-loosening bolt according to claim 1, wherein a spring washer (2) is movably sleeved on the top of the screw (3), and the spring washer (2) is located below the nut (1).

6. The high-strength anti-loosening bolt according to claim 1, wherein a cross-shaped clamping groove (5) is formed in the middle of the top end of the nut (1).