CN215214303U

CN215214303U - Bolt convenient to dismantle

Info

Publication number: CN215214303U
Application number: CN202120596969.5U
Authority: CN
Inventors: 许春华; 孙建荣; 许春梅; 朱小芳
Original assignee: Jiangsu Huajie Stainless Steel Product Co ltd
Current assignee: Jiangsu Huajie Stainless Steel Product Co ltd
Priority date: 2021-03-24
Filing date: 2021-03-24
Publication date: 2021-12-17
Anticipated expiration: 2031-03-24

Abstract

The utility model discloses a bolt convenient to dismantle, including bolt head and shank of bolt, the up end of bolt head is provided with protruding piece, the recess that extends to the bolt head inside is seted up to the up end of protruding piece, the bottom internal surface center department of recess is provided with spacing post, the outside cover of spacing post is equipped with the installation piece, the both sides of installation piece all have the inner chamber, the U-shaped pole has been run through to the inside of inner chamber, U-shaped pole lateral wall is provided with the latch, it is connected with the gear to rotate on the lateral wall of installation piece. The utility model discloses in, press the depression bar downwards, the depression bar drives the rack and slides downwards, and the spring compression, the in-process drive gear that the rack moved down rotates, and the rotation of gear drives the U-shaped pole through the latch and shifts up for the U-shaped pole shifts out to the outside of recess, then twists the U-shaped pole, and the U-shaped pole drives the bolt head and rotates, also can dismantle the bolt under the condition that does not use the spanner, has improved the just dismantlement nature of bolt.

Description

Bolt convenient to dismantle

Technical Field

The utility model relates to a bolt technical field especially relates to a bolt convenient to dismantle.

Background

Bolt: mechanical parts, cylindrical threaded fasteners fitted with nuts. A fastener consisting of a head part and a screw (a cylinder with external threads) needs to be matched with a nut and is used for fastening and connecting two parts with through holes. This type of connection is called a bolted connection, where the two parts can be separated if the nut is unscrewed from the bolt, so that the bolted connection is a detachable connection.

The existing bolt is usually required to be installed and disassembled by means of a wrench in the using process, if the existing bolt is in special conditions and does not carry the wrench, the bolt is difficult to disassemble, and the convenience of disassembling and assembling the bolt is reduced.

Disclosure of Invention

The utility model aims to provide a: in order to solve the problem that the bolt is difficult to disassemble when a tool is not used, the bolt convenient to disassemble is provided.

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

the utility model provides a bolt convenient to dismantle, includes bolt head and shank of bolt, the up end of bolt head is provided with protruding piece, the recess that extends to the bolt head inside is seted up to the up end of protruding piece, the bottom internal surface center department of recess is provided with spacing post, the outside cover of spacing post is equipped with the installation piece, the both sides of installation piece all have the inner chamber, the inside of inner chamber is run through there is the U-shaped pole, U-shaped pole lateral wall is provided with the latch, it is connected with the gear to rotate on the lateral wall of installation piece, the both sides inner wall of recess inlays and is equipped with the rack, the lower terminal surface of rack passes through spring and groove connection.

As a further description of the above technical solution:

and a pressure lever is arranged on the upper end face of the rack.

As a further description of the above technical solution:

the gear is respectively meshed with the latch and the rack.

As a further description of the above technical solution:

and sliding grooves for accommodating the racks are formed in two side walls of the groove.

As a further description of the above technical solution:

the bottom end of the U-shaped rod is provided with a bending bulge, and the cavity wall of the inner cavity is provided with a bulge blocking piece matched with the bending bulge for use.

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, press the depression bar downwards, the depression bar drives the rack and slides downwards, and the spring compression, the in-process drive gear that the rack moved down rotates, and the rotation of gear drives the U-shaped pole through the latch and shifts up for the U-shaped pole shifts out to the outside of recess, then twists the U-shaped pole, and the U-shaped pole drives the bolt head and rotates, also can dismantle the bolt under the condition that does not use the spanner, has improved the just dismantlement nature of bolt.

2. The utility model discloses in, through the setting of spring for under the effect of spring, automatic re-setting can take place for the rack, avoids extending the recess at the use in U-shaped pole, influences the assembly of other parts, has improved the result of use of bolt.

Drawings

Fig. 1 is a front view schematically illustrating a detachable bolt according to an embodiment of the present invention;

fig. 2 is a schematic front sectional view of a bolt provided according to an embodiment of the present invention, which is easy to disassemble;

fig. 3 is a schematic view illustrating a front view, partial cross-sectional view of a bolt convenient to disassemble according to an embodiment of the present invention;

fig. 4 shows a schematic structural diagram of a cross-sectional view a-a in fig. 3 of a bolt convenient to disassemble according to an embodiment of the present invention.

Illustration of the drawings:

1. a bolt head; 2. a bolt shank; 3. a raised block; 4. a groove; 5. a limiting column; 6. mounting blocks; 7. an inner cavity; 8. a U-shaped rod; 9. clamping teeth; 10. a gear; 11. a rack; 12. a spring; 13. a pressure lever; 14. a chute.

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. 1-4, the present invention provides a technical solution: the utility model provides a bolt convenient to dismantle, including bolt head 1 and shank of bolt 2, the up end of bolt head 1 is provided with protruding piece 3, protruding piece 3's up end is seted up and is extended to the recess 4 of bolt head 1 inside, the bottom internal surface center department of recess 4 is provided with spacing post 5, the outside cover of spacing post 5 is equipped with installation piece 6, spacing post 5's cross-section is the rectangle structure, the center department of installation piece 6 has the rectangular hole with spacing post 5 adaptation, spacing post 5 has strengthened the stability of installation piece 6, the bottom and the recess 4 fixed connection of installation piece 6, the both sides of installation piece 6 all have inner chamber 7, the inside of inner chamber 7 runs through there is U-shaped pole 8, U-shaped pole 8 lateral wall is provided with latch 9, it is connected with gear 10 to rotate on the lateral wall of installation piece 6, the both sides inner wall of recess 4 inlays and is equipped with rack 11, the lower terminal surface of rack 11 passes through spring 12 and is connected with recess 4.

Specifically, as shown in fig. 3, a pressing rod 13 is disposed on an upper end surface of the rack 11, and the downward movement of the rack 11 is controlled by the pressing rod 13.

Specifically, as shown in fig. 3, the gear 10 is engaged with the latch 9 and the rack 11, so that when the latch 9 moves downward, the gear 10 is driven to rotate, and the gear 10 drives the rack 11 to move upward.

Specifically, as shown in fig. 3, the two side walls of the groove 4 have sliding grooves 14 for accommodating the rack 11, and the rack 11 can move up and down inside the sliding grooves 14.

Specifically, as shown in fig. 3, the bottom end of the U-shaped rod 8 is provided with a bending protrusion, the cavity wall of the inner cavity 7 is provided with a protruding blocking piece matched with the bending protrusion, and the end of the U-shaped rod 8 can be prevented from being separated from the mounting block 6 by abutting the bending protrusion and the protruding blocking piece.

The working principle is as follows: during the use, press depression bar 13 downwards, depression bar 13 drives rack 11 and slides downwards, and spring 12 compresses, and rack 11 moves down in-process drive gear 10 rotates, and the rotation of gear 10 passes through latch 9 and drives U-shaped pole 8 and shift up for U-shaped pole 8 shifts out to the outside of recess 4, then twists U-shaped pole 8, and U-shaped pole 8 drives bolt head 1 and rotates, also can dismantle the bolt under the condition that does not use the spanner, has improved the just dismantlement nature of bolt.

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. A bolt convenient to disassemble comprises a bolt head (1) and a bolt rod (2), it is characterized in that the upper end surface of the bolt head (1) is provided with a convex block (3), the upper end surface of the convex block (3) is provided with a groove (4) extending to the inner part of the bolt head (1), a limiting column (5) is arranged at the center of the inner surface of the bottom of the groove (4), an installation block (6) is sleeved outside the limiting column (5), the two sides of the mounting block (6) are respectively provided with an inner cavity (7), a U-shaped rod (8) penetrates through the inner part of the inner cavity (7), the side wall of the U-shaped rod (8) is provided with a latch (9), the side wall of the mounting block (6) is rotatably connected with a gear (10), the inner walls of two sides of the groove (4) are embedded with racks (11), and the lower end face of each rack (11) is connected with the groove (4) through a spring (12).

2. A bolt facilitating disassembly according to claim 1, characterised in that the upper end face of the rack (11) is provided with a press bar (13).

3. A bolt convenient to disassemble according to claim 1, wherein the gear (10) is engaged with the latch (9) and the rack (11), respectively.

4. A bolt convenient to disassemble according to claim 1, characterized in that the two side walls of the groove (4) have runners (14) which accommodate the rack (11).

5. The bolt convenient to disassemble and assemble as claimed in claim 1, wherein the bottom end of the U-shaped rod (8) is provided with a bending bulge, and the cavity wall of the inner cavity (7) is provided with a convex baffle plate matched with the bending bulge for use.