CN216951223U

CN216951223U - Compound bolt structure

Info

Publication number: CN216951223U
Application number: CN202220743303.2U
Authority: CN
Inventors: 戴乃焕
Original assignee: Zhejiang Wanyu Auto Parts Co ltd
Current assignee: Zhejiang Wanyu Auto Parts Co ltd
Priority date: 2022-04-01
Filing date: 2022-04-01
Publication date: 2022-07-12
Anticipated expiration: 2032-04-01

Abstract

The utility model discloses a composite bolt structure which comprises a threaded rod, wherein an anti-falling mechanism is arranged inside the lower side of the threaded rod and comprises an installation groove formed in the lower side of the threaded rod, two groups of limiting blocks are arranged inside the installation groove, the upper ends of the two groups of limiting blocks are fixedly connected with fixing blocks respectively, a first spring is fixedly connected between each two groups of fixing blocks and one side of the installation groove, a triangular block is arranged between the two groups of limiting blocks, and the lower end of the triangular block is fixedly connected with a control rod. According to the composite bolt structure, the two groups of limiting blocks move to the outer side of the threaded rod to be positioned by pushing the round block, so that the phenomenon that the nut falls off after loosening due to vibration is prevented, the phenomenon that the nut and the threaded rod fall off due to separation and falling off of a connecting part and equipment is effectively avoided, and meanwhile, safety accidents are reduced.

Description

Compound bolt structure

Technical Field

The utility model relates to the technical field of anti-falling bolts, in particular to a composite bolt structure.

Background

The bolt is a fastener consisting of a head part and a screw (a cylinder with external threads), and is required to be matched with a nut for use, and is usually matched with the nut for realizing the connection between parts. Due to different application specific fields, the types and the models of the bolts are more; and current bolt is when fixed with the equipment fixing, generally through two fixed plates that have the through-hole of bolt-up connection, and in later stage use, can rock because of equipment can vibrations, and the condition that drops appears after vibrations in the long-term use make the nut relax easily, influences the connection and the stability of fixed plate, influences the normal use of equipment easily, causes the occurence of failure simultaneously easily.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a composite bolt structure which can effectively solve the problems in the background technology.

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

the utility model provides a compound bolt structure, includes the threaded rod, the downside internally mounted of threaded rod has anti-disengaging mechanism, anti-disengaging mechanism is including seting up at the inside mounting groove of threaded rod downside, two sets of stoppers are installed to the inboard of mounting groove, and are two sets of the upper end difference fixedly connected with fixed block of stopper, it is two sets of the fixed block respectively with the first spring of fixedly connected with between one side of mounting groove, two sets of be provided with three hornblocks between the stopper, the lower extreme fixedly connected with control lever of three hornblocks, the lower extreme fixedly connected with circle piece of control lever.

Preferably, the outside cover of control lever has the sleeve, telescopic lower extreme fixedly connected with disk, the inside downside position that is close to the mounting groove of threaded rod has seted up the spout, the inboard of spout is provided with two sets of fixture blocks, and is two sets of the fixture block respectively with the spout one side between the inner wall fixedly connected with second spring, the draw-in groove has been seted up respectively to the both sides of control lever.

Preferably, stopper and mounting groove looks adaptation, the stopper presents as an organic whole with the fixed block, the downside of stopper is close to the position of three hornblocks and sets up to the scarf, and is two sets of the fixed block is located the stopper upper end and is close to inboard position, the position that the inside of threaded rod is close to the control lever is provided with the spread groove, the control lever runs through the inside of threaded rod and disk.

Preferably, the sleeve is movably connected with the control rod, the sleeve is matched with the connecting groove, the two clamping blocks are in mirror symmetry, the positions, close to the control rod, of the lower sides of the clamping blocks are arranged to be arc surfaces, the clamping blocks are matched with the sliding groove, the clamping blocks are movably connected with the threaded rod, the clamping blocks are located on the same horizontal plane with the clamping grooves, and the clamping blocks are matched with the clamping grooves, and the second spring is in a compressed state.

Preferably, the outside swing joint of threaded rod has the nut, the upper end fixedly connected with hexagon nut of threaded rod, hexagon nut's lower extreme fixedly connected with gasket, the lower extreme fixedly connected with of gasket is fallen the rack.

Preferably, the nut is threaded connection with the threaded rod, the number of the inverted racks is a plurality of groups, the inverted racks surround the lower end of the gasket in an annular mode, and the inverted racks and the spiral threads of the threaded rod are arranged in a reverse mode.

Compared with the prior art, the utility model has the following beneficial effects:

1. through promoting the round piece, two sets of stoppers are removed to the outside of threaded rod and are fixed a position, and the condition that drops after preventing to shake and making the nut not hard up takes place, effectively avoids nut and threaded rod separation, drops, causes connecting part, equipment to drop, reduces the incident simultaneously and takes place.

2. Pass through the threaded rod and need in the connecting hole of two sets of fixed plates fixed, sheathe the nut in and rotate, press from both sides tightly fixed with two sets of fixed plates, and when rotating hexagon nut, drive lower extreme fixed connection's pawl and remove the card and go into in the fixed plate, but when whole vibrations, can effectively prevent whole vibrations or the slight pivoted purpose that takes place when rocking through the reverse setting of pawl.

Drawings

FIG. 1 is a schematic view of an overall structure of a composite bolt structure according to the present invention;

FIG. 2 is a schematic view of a partially cut-away structure of a composite bolt structure according to the present invention;

FIG. 3 is a schematic view of a partially sectioned structure of an anti-separation mechanism of a composite bolt structure according to the present invention;

fig. 4 is a schematic view of a partially cut-away structure of an anti-separation mechanism of a composite bolt structure according to the present invention.

In the figure: 1. a threaded rod; 2. an anti-drop mechanism; 21. mounting grooves; 22. a limiting block; 23. a fixed block; 24. a first spring; 25. a triangular block; 26. a control lever; 27. a round block; 28. a sleeve; 29. a wafer; 210. a chute; 211. a clamping block; 212. a second spring; 213. a card slot; 3. a nut; 4. a hexagonal nut; 5. a gasket; 6. and (4) reversing the rack.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

As shown in fig. 1-4, a compound bolt structure, including threaded rod 1, the downside internally mounted of threaded rod 1 has anti-disengaging mechanism 2, anti-disengaging mechanism 2 is including seting up at the inside mounting groove 21 of 1 downside of threaded rod, two sets of stoppers 22 are installed to the inboard of mounting groove 21, the upper end difference fixedly connected with fixed block 23 of two sets of stoppers 22, two sets of fixed blocks 23 respectively with the mounting groove 21 between one side first spring 24 of fixedly connected with, be provided with three hornblocks 25 between two sets of stoppers 22, the lower extreme fixedly connected with control lever 26 of three hornblocks 25, the lower extreme fixedly connected with circle piece 27 of control lever 26.

In this embodiment, the sleeve 28 is sleeved outside the control rod 26, the lower end of the sleeve 28 is fixedly connected with the disc 29, the lower side position of the inside of the threaded rod 1 close to the installation groove 21 is provided with a sliding groove 210, the inner side of the sliding groove 210 is provided with two sets of clamping blocks 211, the two sets of clamping blocks 211 are respectively and fixedly connected with the inner wall of one side of the sliding groove 210 by a second spring 212, the two sides of the control rod 26 are respectively provided with a clamping groove 213, the limiting block 22 is matched with the installation groove 21, the limiting block 22 and the fixing block 23 are integrated, the position of the lower side of the limiting block 22 close to the triangular block 25 is set as a chamfered surface, the two sets of fixing blocks 23 are positioned at the upper end of the limiting block 22 close to the inner side position, the position of the inside of the threaded rod 1 close to the control rod 26 is provided with a connecting groove, the control rod 26 penetrates through the inside of the threaded rod 1 and the disc 29, the sleeve 28 is movably connected with the control rod 26, and the sleeve 28 is matched with the connecting groove, the two sets of clamping blocks 211 are mirror-symmetrical, the positions of the lower sides of the clamping blocks 211, which are close to the control rod 26, are set to be arc surfaces, the clamping blocks 211 are matched with the sliding grooves 210, the clamping blocks 211 are movably connected with the threaded rod 1, the clamping blocks 211 and the clamping grooves 213 are on the same horizontal plane, and the second springs 212, which are matched with the clamping grooves 213, of the clamping blocks 211 are in a compressed state.

Specifically, after the two fixing plates are fixed, the round block 27 is pushed to drive the fixedly connected control rod 26 and the triangular block 25 to move upwards, the triangular block 25 pushes the two limiting blocks 22 to move towards the outer side of the threaded rod 1 respectively while moving, the fixing block 23 fixedly connected with the upper end compresses the first spring 24, meanwhile, the clamping groove 213 caused by the movement of the control rod 26 moves to the position of the clamping block 211, the second spring 212 in a compressed state pushes the clamping block 211 to be clamped into the clamping groove 213 to fix the control rod 26, the two limiting blocks 22 moving to the outer side of the threaded rod 1 are positioned at the moment, the phenomenon that the nut 3 falls off after being loosened due to vibration is prevented, separation and falling off of the nut 3 and the threaded rod 1 are effectively avoided, connecting parts and equipment fall off are caused, safety accidents are reduced, and when the threaded rod is disassembled, the round block 29 and the sleeve 28 are pushed towards the inner part of the threaded rod 1, so that two sets of fixture blocks 211 are pushed, the sleeve 28 shields the clamping groove 213, the control rod 26 and the triangular block 25 can be pulled down, the first spring 24 rebounds, the limit block 22 is recovered, and the nut 3 can be taken down.

In this embodiment, the outside swing joint of threaded rod 1 has nut 3, and the upper end fixedly connected with hexagon nut 4 of threaded rod 1, hexagon nut 4's lower extreme fixedly connected with gasket 5, and gasket 5's lower extreme fixedly connected with inverted tooth strip 6, nut 3 are threaded connection with threaded rod 1, and the quantity of inverted tooth strip 6 is a plurality of groups, and the 6 rings of inverted tooth strip are around the lower extreme at gasket 5, and inverted tooth strip 6 is reverse setting with the spiral line of threaded rod 1.

Specifically, pass through threaded rod 1 in the connecting hole of two sets of fixed plates that need be fixed, sheathe in nut 3 and rotate, press from both sides tightly fixed with two sets of fixed plates, and when rotating hexagon nut 4, drive lower extreme fixed connection's pawl 6 and remove the card and go into the fixed plate, but when whole vibrations, can effectively prevent whole vibrations or the slight pivoted purpose that takes place when rocking through the reverse setting of pawl 6.

The working principle is as follows:

when in use, the threaded rod 1 firstly passes through the connecting holes of two groups of fixing plates to be fixed, the nut 3 is sleeved on the threaded rod to rotate, the two groups of fixing plates are clamped and fixed, when the hexagonal nut 4 is rotated, the inverted rack 6 fixedly connected with the lower end is driven to move and be clamped into the fixing plates, but when the whole body vibrates, the inverted rack 6 is reversely arranged, the aim of preventing the slight rotation generated during the whole vibration or shaking can be effectively fulfilled, in addition, after the two groups of fixing plates are fixed, the round block 27 is pushed to drive the fixedly connected control rod 26 and the triangular block 25 to move upwards, the triangular block 25 can push the two groups of limiting blocks 22 to respectively move towards the outer side of the threaded rod 1 while moving, the fixing block 23 fixedly connected with the upper end can compress the first spring 24, meanwhile, the clamping groove 213 caused by the movement of the control rod 26 moves to the position of the clamping block 211, the second spring 212 in a compression state pushes the clamping block 211 to be clamped into the clamping groove 213, fix control lever 26, it is positioned to remove two sets of stopper 22 in the threaded rod 1 outside this moment, prevent that vibrations from making the condition that nut 3 drops after becoming flexible, effectively avoid nut 3 and threaded rod 1 separation, drop, cause connecting part, equipment drops, reduce the incident emergence simultaneously, and during the dismantlement, promote to threaded rod 1's inside through disk 29 and sleeve 28, make two sets of fixture blocks 211 promoted, sleeve 28 shelters from draw-in groove 213, alright with control lever 26, triangle block 25 pulls down, first spring 24 kick-backs, realize the recovery to stopper 22, alright in order to take off nut 3.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A compound bolt structure, includes threaded rod (1), its characterized in that: the downside internally mounted of threaded rod (1) has anti-disengaging mechanism (2), anti-disengaging mechanism (2) are including seting up at inside mounting groove (21) of threaded rod (1) downside, two sets of stopper (22) are installed to the inboard of mounting groove (21), and are two sets of fixedly connected with fixed block (23) respectively in the upper end of stopper (22), two sets of fixed block (23) respectively with between one side of mounting groove (21) the first spring of fixedly connected with (24), two sets of be provided with three hornblocks (25) between stopper (22), the lower extreme fixedly connected with control lever (26) of three hornblocks (25), the lower extreme fixedly connected with circle piece (27) of control lever (26).

2. A composite bolt structure according to claim 1, characterised in that: the outside cover of control lever (26) has sleeve (28), lower extreme fixedly connected with disk (29) of sleeve (28), inside of threaded rod (1) is close to the downside position of mounting groove (21) and has seted up spout (210), the inboard of spout (210) is provided with two sets of fixture blocks (211), and is two sets of fixture block (211) respectively with one side inner wall of spout (210) between fixedly connected with second spring (212), draw-in groove (213) have been seted up respectively to the both sides of control lever (26).

3. A composite bolt structure according to claim 1, characterised in that: stopper (22) and mounting groove (21) looks adaptation, stopper (22) appear as an organic whole with fixed block (23), the position that the downside of stopper (22) is close to three hornblocks (25) sets up to the scarf, two sets of fixed block (23) are located stopper (22) upper end and are close to inboard position, the position that the inside of threaded rod (1) is close to control lever (26) is provided with the spread groove, inside of control lever (26) through threaded rod (1) and disk (29).

4. A composite bolt structure according to claim 2, characterised in that: sleeve (28) are swing joint with control lever (26), sleeve (28) and connecting groove looks adaptation, two sets of fixture block (211) are mirror symmetry, fixture block (211) downside is close to control lever (26) position and sets up to the cambered surface, fixture block (211) and spout (210) looks adaptation, fixture block (211) are swing joint with threaded rod (1), fixture block (211) and draw-in groove (213) are at same horizontal plane, fixture block (211) and draw-in groove (213) looks adaptation second spring (212) are compression state.

5. A composite bolt structure according to claim 1, characterised in that: the outside swing joint of threaded rod (1) has nut (3), the upper end fixedly connected with hexagon nut (4) of threaded rod (1), the lower extreme fixedly connected with gasket (5) of hexagon nut (4), the lower extreme fixedly connected with of gasket (5) is fallen rack (6).

6. A composite bolt construction according to claim 5, characterised in that: nut (3) and threaded rod (1) are threaded connection, the quantity of falling rack (6) is a plurality of groups, fall rack (6) annular around the lower extreme in gasket (5), the spiral line of falling rack (6) and threaded rod (1) is reverse setting.