CN214578256U

CN214578256U - Flower type half countersunk bolt

Info

Publication number: CN214578256U
Application number: CN202120786729.1U
Authority: CN
Inventors: 戴德胜; 夏光明; 张发冬
Original assignee: Wenzhou Jianduan Standard Parts Co ltd
Current assignee: Wenzhou Jianduan Standard Parts Co ltd
Priority date: 2021-04-17
Filing date: 2021-04-17
Publication date: 2021-11-02
Anticipated expiration: 2031-04-17

Abstract

The utility model provides a flower type countersunk head bolt, include: the bolt, the cross slot has been seted up to the upper end of bolt, and the lower extreme of cross slot has seted up the connecting hole to the inboard spiro union of connecting hole has hexagon socket head cap screw, the spout has been seted up to the lower extreme of connecting hole, and the inside of spout is provided with the sliding assembly to the internal connection of sliding assembly has the anticreep fastener, the left side of spout is connected with the open slot, and the lower extreme of open slot is provided with the cell wall, and the bottom center of spout is provided with the arc wall. The utility model discloses utilize slip subassembly and spout sliding connection, and through slip subassembly and hexagon socket head cap spiro union, the slip subassembly of being convenient for drives the anticreep fastener and reciprocates, utilizes the wedge fixture block of anticreep fastener to make and play the not hard up effect of anticreep to the nut after the fastening, and then has guaranteed the stability of connecting piece.

Description

Flower type half countersunk bolt

Technical Field

The utility model relates to a mechanical connection fastener technical field, concretely relates to flower type countersunk head bolt.

Background

In the connection of mechanical parts, a bolt is a common fastener, and has various types and different shapes according to the requirements of installation and use, and the bolt is usually matched with a nut to be used together to realize the fastening connection between the parts.

However, after the bolt in the prior art is connected with the nut, the bolt and the nut can be loosened due to vibration generated by mechanical equipment, so that the connection gap between parts is enlarged, the operation of the whole mechanical equipment is affected, and potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

For overcoming the defect that prior art exists, provide a flower type countersunk head bolt to solve the bolt among the prior art and being connected the back with the nut, because the vibration that mechanical equipment produced can lead to the bolt and the nut not hard up, and then lead to the joint gap grow between the part, influence the operation of whole mechanical equipment, and have the problem of potential safety hazard.

In order to achieve the above object, there is provided a flower-type half-countersunk head bolt, comprising:

the bolt, the cross slot has been seted up to the upper end of bolt, and the lower extreme of cross slot has seted up the connecting hole to the inboard spiro union of connecting hole has hexagon socket head cap screw, the spout has been seted up to the lower extreme of connecting hole, and the inside of spout is provided with the sliding assembly to the internal connection of sliding assembly has the anticreep fastener, the left side of spout is connected with the open slot, and the lower extreme of open slot is provided with the cell wall, and the bottom center of spout is provided with the arc wall.

Furthermore, the lower end of the connecting hole is connected with a stabilizing groove, the upper end of the stabilizing groove is connected with the connecting hole, and the lower end of the stabilizing groove is connected with the sliding groove.

Furthermore, the sliding assembly is provided with a sliding block, a threaded hole and guide grooves on two sides of the threaded hole are formed in the sliding block, and a sliding cavity is formed in the left side of each guide groove.

Furthermore, the left side end of the sliding cavity is provided with limiting convex blocks which are symmetrical up and down, and the anti-falling clamping piece is arranged inside the sliding cavity.

Furthermore, the right end of the anti-falling clamping piece is provided with a guide rod, a spring is arranged on the surface of the guide rod, and the right end of the guide rod is arranged in the guide groove.

Furthermore, the left end of the guide rod is connected with a limiting end, the left end of the limiting end is connected with a wedge-shaped fixture block, and the wedge-shaped fixture block and the open slot slide relatively.

Furthermore, the lower end face of the wedge-shaped fixture block is provided with an inclined slope, and the inclined angle of the slope is consistent with the cut end angle arranged at the upper end of the groove wall.

The beneficial effects of the utility model reside in that, the utility model discloses a flower type half countersunk head bolt utilizes slip subassembly and spout sliding connection, and through slip subassembly and interior hexagonal spiro union, the slip subassembly of being convenient for drives the anticreep fastener and reciprocates, utilizes the wedge fixture block of anticreep fastener to make and play the not hard up effect of anticreep to the nut after the fastening, and then has guaranteed the stability of connecting piece.

Drawings

Fig. 1 is a schematic view of a connection structure of a half countersunk head bolt and a nut according to an embodiment of the present invention.

Fig. 2 is a schematic view of the internal structure of the bolt according to the embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a position a in fig. 2 according to an embodiment of the present invention.

Fig. 4 is a schematic view of the overlooking structure of the anti-dropping fastener according to the embodiment of the present invention.

Fig. 5 is a schematic view of a top view structure of the sliding assembly and the sliding chute according to the embodiment of the present invention.

Fig. 6 is a schematic horizontal sectional top view of the sliding assembly according to the embodiment of the present invention.

Fig. 7 is a schematic top view of a half-countersunk head bolt according to an embodiment of the present invention.

1. A bolt; 2. the anti-falling clamp piece; 21. a spring; 22. a wedge-shaped fixture block; 23. a guide bar; 24. a limiting end; 3. a cross groove; 4. connecting holes; 5. a stabilizing slot; 6. an inner hexagonal screw; 7. a chute; 8. an arc-shaped slot; 9. a trench wall; 10. a sliding assembly; 101. a slider; 102. a guide groove; 103. a slide chamber; 104. a limiting bump; 105. a threaded hole; 11. an open slot.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention.

Fig. 1 is the utility model discloses half countersunk head bolt and nut connection structure schematic diagram, fig. 2 do the utility model discloses the bolt inner structure's of embodiment schematic diagram, fig. 3 do the utility model discloses an in fig. 2A department structure schematic diagram, fig. 4 do the utility model discloses an anticreep fastener overlook the structure schematic diagram, fig. 5 do the utility model discloses a sliding component and spout are connected and are overlooked the structure schematic diagram, fig. 6 do the utility model discloses a sliding component horizontal section overlooked the structure schematic diagram, fig. 7 do the utility model discloses a half countersunk head bolt overlooks the structure schematic diagram.

Referring to fig. 1 to 7, the utility model provides a flower type countersunk head bolt, include: bolt 1, anticreep fastener 2 and sliding assembly 10.

Specifically, cross recess 3 has been seted up to the upper end of bolt 1, and the lower extreme of cross recess 3 has seted up connecting hole 4 to the inboard spiro union of connecting hole 4 has hexagon socket head cap screw 6, and spout 7 has been seted up to the lower extreme of connecting hole 4, and the inside of spout 7 is provided with sliding assembly 10, and sliding assembly 10's internal connection has anticreep fastener 2, and the left side of spout 7 is connected with open slot 11, and the lower extreme of open slot 11 is provided with cell wall 9, and the bottom center of spout 7 is provided with arc wall 8.

In this embodiment, the connecting hole 4 is provided with a sliding sleeve inside, and the connecting section of the hexagon socket head cap screw 6 and the sliding sleeve is provided with a smooth surface, and the lower end of the hexagon socket head cap screw 6 is rotatably connected with the arc-shaped groove 8.

As a better implementation mode, the sliding sleeve is embedded and fixed inside the connecting hole 4, a circle of circular groove is arranged on the inner side of the sliding sleeve, and the groove is in sliding connection with a circular ring horizontally arranged on the smooth surface of the inner hexagonal screw 6.

In this embodiment, the slot wall 9 is provided to protrude inward of the chute 7, and the slot wall 9 is located at the lower end of the open slot 11, and the width of the slot wall 9 is greater than the slot width of the open slot 11.

In use, in an initial state, the hexagon socket wrench is used to rotate the hexagon socket screw 6, so that the sliding assembly 10 drives the anti-falling clamping piece 2 to move downwards, the wedge-shaped clamping block 22 slides in the open slot 11, after the wedge-shaped clamping block 22 contacts the slot wall 9, the wedge-shaped clamping block 22 moves towards the inside of the sliding cavity 103 through pushing of the oblique end surface of the slot wall 9 until completely entering the sliding cavity 103, then the bolt 1 is matched with a nut to fasten the connecting piece, in practical application, different sizes can be set according to the overlapping thickness of the connecting piece for the length of the bolt 1 and the depth of the sliding slot 7, after the nut is fastened, the hexagon socket wrench is used to reversely rotate the hexagon socket screw 6, so that the wedge-shaped clamping block 22 is separated from the slot wall 9, and is popped out of the open slot 11 under the action of the spring 21, the hexagon socket screw 6 continues to rotate, so that the wedge-shaped clamping block 22 contacts with the lower end of the nut, when the wedge-shaped fixture block 22 is subjected to the pulling force generated by the vibration of the bolt 1 and the nut, the limiting lug 104 is connected with the limiting end 24 in a clamping manner, so that the nut is limited from loosening, and the effect of reinforcing the fastening connection of the bolt 1 is achieved.

In this embodiment, the lower end of the connection hole 4 is connected with the stabilizing groove 5, and the upper end of the stabilizing groove 5 is connected with the connection hole 4 and the lower end is connected with the sliding groove 7.

As a preferred embodiment, the stabilizing slot 5 is slidably connected to the socket head cap screw 6, which has the effect of enhancing the rotational stability of the socket head cap screw 6.

In this embodiment, the sliding assembly 10 includes a sliding block 101, a threaded hole 105 and a guide groove 102 on two sides of the threaded hole 105 are opened in the sliding block 101, and a sliding cavity 103 is arranged on the left side of the guide groove 102.

As a preferred embodiment, the threaded hole 105 facilitates the threading of the socket head cap screw 6 with the sliding assembly 10.

In this embodiment, the left end of the sliding cavity 103 is provided with a vertically symmetrical limiting bump 104, and the anti-dropping card element 2 is arranged inside the sliding cavity 103.

As a preferred embodiment, the limiting projection 104 is connected with the limiting end 24 to play a role of limiting and stabilizing the wedge-shaped fixture block 22; the slide chamber 103 provides a horizontal movement space of the wedge 22.

In this embodiment, the right end of the escape clip 2 is provided with a guide bar 23, and the surface of the guide bar 23 is provided with a spring 21, and the right end of the guide bar 23 is placed inside the guide groove 102.

As a preferred embodiment, the spring 21 functions to push the wedge 22 outward; when the wedge 22 is fully extended, the guide bar 23 still remains inside the guide groove 102 for a certain length.

In a preferred embodiment, the guide groove 102 and the guide rod 23 are coupled to each other, so that the wedge 22 is kept stable in sliding inside the sliding cavity 103.

In this embodiment, the left end of the guide bar 23 is connected with a limiting end 24, the left end of the limiting end 24 is connected with a wedge-shaped fixture block 22, and the wedge-shaped fixture block 22 slides relative to the open slot 11.

In a preferred embodiment, the opening groove 11 is rectangular, and the upper and lower ends of the rectangular shape are arc-shaped.

In this embodiment, the lower end surface of the wedge-shaped fixture block 22 is a slope surface, and the inclination angle of the slope surface is consistent with the tangential angle set at the upper end of the slot wall 9.

As a preferred embodiment, the wedge-shaped fixture block 22 and the slot wall 9 are set to have a sliding contact with an inclined end surface, so that the slot wall 9 generates a transverse thrust to the wedge-shaped fixture block 22, thereby facilitating the contraction of the wedge-shaped fixture block 22.

The utility model discloses a bolt among the prior art can effectively be solved to flower type half countersunk head bolt is being connected the back with the nut, because the vibration that mechanical equipment produced, can lead to the bolt and nut not hard up, and then lead to the joint gap grow between the part, influence the operation of whole mechanical equipment, and there is the problem of potential safety hazard, utilize sliding assembly and spout sliding connection, and through sliding assembly and interior hexagonal spiro union, the sliding assembly of being convenient for drives the anticreep fastener and reciprocates, the wedge fixture block that utilizes the anticreep fastener makes to play the not hard up effect of anticreep to the nut after the fastening, and then the stability of connecting piece has been guaranteed.

Claims

1. A flower-shaped countersunk head bolt is characterized by comprising: bolt (1), cross slot (3) have been seted up to the upper end of bolt (1), and the lower extreme of cross slot (3) has seted up connecting hole (4) to connecting hole (4) inboard spiro union has hexagon socket head cap screw (6), spout (7) have been seted up to the lower extreme of connecting hole (4), and the inside of spout (7) is provided with slip subassembly (10) to the internal connection of slip subassembly (10) has anticreep fastener (2), the left side of spout (7) is connected with open slot (11), and the lower extreme of open slot (11) is provided with cell wall (9) to the bottom center of spout (7) is provided with arc wall (8).

2. The flower-shaped countersunk head bolt according to claim 1, wherein the lower end of the connecting hole (4) is connected with a stabilizing groove (5), and the upper end of the stabilizing groove (5) is connected with the connecting hole (4) and the lower end is connected with the sliding groove (7).

3. The flower-shaped half-countersunk head bolt according to claim 1, characterized in that the sliding assembly (10) comprises a sliding block (101), a threaded hole (105) and a guide groove (102) at two sides of the threaded hole (105) are formed in the sliding block (101), and a sliding cavity (103) is formed at the left side of the guide groove (102).

4. The flower-shaped countersunk half bolt according to claim 3, wherein the left end of the sliding cavity (103) is provided with vertically symmetrical limiting lugs (104), and the anti-falling clamp (2) is arranged inside the sliding cavity (103).

5. The flower-shaped countersunk head bolt according to claim 1, wherein the right end of the anti-slip fastener (2) is provided with a guide rod (23), the surface of the guide rod (23) is provided with a spring (21), and the right end of the guide rod (23) is placed inside the guide groove (102).

6. The flower-shaped countersunk head bolt according to claim 5, wherein a limiting end (24) is connected to the left end of the guide rod (23), a wedge-shaped block (22) is connected to the left end of the limiting end (24), and the wedge-shaped block (22) slides relative to the open slot (11).

7. The flower-shaped countersunk head bolt as claimed in claim 6, wherein the lower end surface of the wedge-shaped fixture block (22) is provided with an inclined slope, and the inclination angle of the slope is consistent with the tangent angle arranged at the upper end of the groove wall (9).