CN213511539U

CN213511539U - Fastener convenient to disassemble and assemble

Info

Publication number: CN213511539U
Application number: CN202022348130.8U
Authority: CN
Inventors: 刘意
Original assignee: Shanghai Shuchang Industrial Co ltd
Current assignee: Shanghai Shuchang Industrial Co ltd
Priority date: 2020-10-21
Filing date: 2020-10-21
Publication date: 2021-06-22
Anticipated expiration: 2030-10-21

Abstract

The utility model discloses a make things convenient for fastener of dismouting, including upper part, outer extension section of thick bamboo, nexine sleeve and little spring, be connected with connecting bolt between upper part and the lower part, and connecting bolt upper portion is connected with the upper packing ring, outer extension section of thick bamboo sets up between upper part and lower part, and outer extension bobbin base portion is connected with the nut to install lower floor's packing ring on the nut, the nexine sleeve is installed at outer extension section of thick bamboo inboardly, and nexine sleeve top has seted up the round hole groove to nexine sleeve bottom is connected on the thread groove, little spring sets up between outer extension section of thick bamboo and nexine sleeve. This make things convenient for fastener of dismouting has the structure that increases frictional force between fastener and part, makes the fastener be difficult to produce not hard up, increases the security of part erection joint, still has the auxiliary device in adaptation part aperture, easily matches fastener and part each other to the structure is succinct, easily dismouting.

Description

Fastener convenient to disassemble and assemble

Technical Field

The utility model relates to a fastener technical field specifically is a make things convenient for fastener of dismouting.

Background

The fastener is a mechanical part used for fastening and connecting two independent parts and widely applied to industries such as various machines, equipment, buildings, bridges and the like, the fastener is various, common fasteners comprise bolts and nuts, the bolts and the nuts are rotatably connected through threads, and the fastener belongs to detachable parts.

And the fastener structure that bolt and nut that uses on the existing market are constituteed is comparatively simple, and produce easily after long-time the use not hard up, lead to producing between the part of connecting easily not hard up, thereby cause the accident, and the model of ordinary bolt and nut often can not phase-match with the aperture of part, ordinary fastener needs appurtenance such as spanner to screw up when the installation usually simultaneously, waste time and energy during the installation, can lead to work efficiency to reduce when needing dismouting part, to above-mentioned problem, the urgent need is carried out the innovative design on the basis of the fastener of convenient dismouting.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a make things convenient for fastener of dismouting to it is not hard up to provide ordinary fastener easy production in the above-mentioned background art to solve, is difficult to match each other with the part, the problem that wastes time and energy during the dismouting.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a make things convenient for fastener of dismouting, includes upper part, an outer extension section of thick bamboo, nexine sleeve and little spring, be connected with connecting bolt between upper part and the lower part, and connecting bolt upper portion is connected with the upper washer, an outer extension section of thick bamboo sets up between upper part and lower part, and outer extension bobbin base portion is connected with the nut to install lower floor's washer on the nut, the nexine sleeve is installed at an outer extension section of thick bamboo inboardly, and nexine sleeve top has seted up the round hole groove to nexine sleeve bottom is connected on the thread groove, little spring sets up between an outer extension section of thick bamboo and nexine sleeve.

Preferably, the connecting bolt penetrates through the upper member and the lower member, the connecting bolt is connected with the upper member in a clamping manner through an upper gasket, and the upper gasket is made of rubber.

Preferably, an elastic structure is formed by the outer layer expansion cylinder through the small spring and the inner layer sleeve, 5 small springs are arranged on the inner wall of the outer layer expansion cylinder in an equidistance mode by taking the inner layer sleeve as a center, and the outer layer expansion cylinder is connected with the lower component in a clamping mode.

Preferably, the nut is in threaded connection with the connecting bolt through a thread groove, the edge of the nut is in a sawtooth structure, and the diameter of the nut is larger than the inner hole diameter of the lower part.

Preferably, the lower washer is fixedly connected with the nut, the lower washer is made of rubber, and the diameter of the lower washer is equal to that of the nut.

Preferably, the inlayer sleeve passes through round hole groove and connecting bolt threaded connection, and the inlayer sleeve is the back taper shape to the telescopic outer wall inclination of inlayer is the same with the outer wall inclination of an outer extension section of thick bamboo.

Compared with the prior art, the beneficial effects of the utility model are that: the fastener convenient to disassemble and assemble adopts a novel structural design, when the device is used, the device is more stably connected between an upper part and a lower part through the structure that the connecting bolt and the nut are connected with the upper gasket and the lower gasket, and meanwhile, the clamping is tighter, so that the device is not easy to loosen, the safety of part installation and connection is improved, and the device can be conveniently adapted to different parts and can be clamped more firmly through the structure that the connecting bolt is provided with the outer expansion cylinder, the inner sleeve, the round hole groove and the small spring;

1. the structure of the upper gasket and the lower gasket of the connecting bolt and the nut is adopted, the friction force between the connecting bolt and the hole groove of the upper part is increased through the upper gasket, and the friction force between the nut and the lower part is increased through the lower gasket, so that the purposes that the device is more stably connected between the upper part and the lower part and is more tightly clamped, the device is not easy to loosen, and the safety of part installation and connection is improved are achieved;

2. set up the structure of an outer extension section of thick bamboo, nexine sleeve, round hole groove and little spring on the connecting bolt, be convenient for be connected with the hole groove block of part through an outer extension section of thick bamboo and the telescopic back taper structure of nexine, an outer extension section of thick bamboo utilizes the principle of the aperture size in the hole groove of the different parts of adaptation of the flexible elasticity of little spring of being convenient for, realizes the part that the adaptation is different can be convenient for to the device, can block more firm function.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a side view of the connecting bolt of the present invention;

FIG. 3 is a schematic diagram of a side-view three-dimensional structure of the nut of the present invention;

fig. 4 is a schematic side view of the outer layer expansion cylinder of the present invention.

In the figure: 1. an upper member; 2. a lower member; 3. a connecting bolt; 4. an upper gasket; 5. an outer layer expansion cylinder; 6. a nut; 7. a lower gasket; 8. an inner sleeve; 9. a circular hole groove; 10. a thread groove; 11. a small spring.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work 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 make things convenient for fastener of dismouting, including upper part 1, lower part 2, connecting bolt 3, upper gasket 4, outer extension section of thick bamboo 5, the nut 6, lower floor's packing ring 7, nexine sleeve 8, circular hole groove 9, thread groove 10 and little spring 11, be connected with connecting bolt 3 between upper part 1 and the lower part 2, and connecting bolt 3 upper portion is connected with upper gasket 4, outer extension section of thick bamboo 5 sets up between upper part 1 and lower part 2, and outer extension section of thick bamboo 5 bottom is connected with nut 6, and install lower floor's packing ring 7 on the nut 6, nexine sleeve 8 is installed at outer extension section of thick bamboo 5 inboardly, and circular hole groove 9 has been seted up at nexine sleeve 8 top, and 8 bottoms of nexine sleeve are connected on thread groove 10, little spring 11 sets up between outer extension section of thick bamboo 5 and nexine sleeve 8.

Connecting bolt 3 runs through and connects upper member 1 and lower part 2, and connecting bolt 3 is connected with 1 block of upper member through upper gasket 4 to upper gasket 4 is the rubber material, and the setting up of above-mentioned structure makes the gap between connecting bolt 3 and the 1 hole groove of upper member filled up by upper gasket 4, and increases the frictional force between connecting bolt 3 and the upper member 1, makes the connection between connecting bolt 3 and the upper member 1 more firm.

Outer expansion section of thick bamboo 5 constitutes elastic construction through little spring 11 and nexine sleeve 8, and little spring 11 uses nexine sleeve 8 as 5 that are provided with of equidistance range on outer expansion section of thick bamboo 5's inner wall at the center, and outer expansion section of thick bamboo 5 is connected with lower 2 blocks of part, the setting up of above-mentioned structure makes outer expansion section of thick bamboo 5 receive down when the extrusion in-process of moving down 2 hole grooves of part, can be through little spring 11 that the compression is close to nexine sleeve 8, make outer expansion section of thick bamboo 5 can carry out the adaptation according to the hole groove size of different parts.

Nut 6 passes through thread groove 10 and connecting bolt 3 threaded connection, and the edge of nut 6 is serration structure to the diameter of nut 6 is greater than the hole diameter of lower part 2, and the setting up of above-mentioned structure makes nut 6 can increase the frictional force between hand or the instrument when screwing up the installation, can more easily tear open and install, and the nut 6 of installing is more firm with connecting bolt 3 and the connection of lower part 2.

Lower gasket 7 and nut 6 fixed connection, and lower gasket 7 is the rubber material to the diameter of lower gasket 7 is equal with the diameter of nut 6, and the setting of above-mentioned structure makes nut 6 utilize lower gasket 7 to increase the frictional force with between lower part 2, makes the laminating of nut 6 and lower part 2 inseparabler.

The nexine sleeve 8 is through

round hole groove

9 and 3 threaded connection of connecting bolt, and nexine sleeve 8 is the back taper shape to the outer wall inclination of nexine sleeve 8 is the same with the outer wall inclination of an outer extension section of thick bamboo 5, and the setting up of above-mentioned structure makes an outer extension section of thick bamboo 5 when receiving the extrusion, can be close to with the laminating of nexine sleeve 8, is convenient for insert down part 2's hole groove with an outer extension section of thick bamboo 5.

The working principle is as follows: when the device is used, according to the structure shown in figures 2 and 4, firstly, the outer expansion cylinder 5 is inserted into the hole groove on the lower part 2, then the connecting bolt 3 is inserted from the upper side of the upper part 1, the bottom of the connecting bolt 3 is inserted into the inner sleeve 8 in the outer expansion cylinder 5 by using the circular hole groove 9, then the connecting bolt 3 is rotated and screwed down to be in threaded connection with the inner sleeve 8, the connecting bolt 3 pushes the inner sleeve 8 to be attached to the lower part 2 while being rotated and screwed down gradually, at the same time, the small spring 11 arranged between the outer expansion cylinder 5 and the inner sleeve 8 can shrink along with the extrusion of the lower part 2 on the outer expansion cylinder 5 until the outer expansion cylinder 5 reaches the position equal to the hole groove diameter of the lower part 2, the movement can not be continued, and the diameter of the head of the inner sleeve 8 is larger than the hole groove diameter of the upper part 1, therefore, the upper part 1 and the lower part 2 are tightly connected together by the connecting bolt 3, and the upper gasket 4 fixedly arranged on the outer ring of the head part of the connecting bolt 3 can be clamped into the hole groove of the upper part 1 along with the movement of the connecting bolt 3 due to the elasticity of the upper gasket 4, so that the friction force between the device and the part is increased, and the device is connected more tightly;

according to the structure shown in fig. 1 and 3, after the coupling bolts 3 have firmly coupled the upper member 1 and the lower member 2 as a whole, the nut 6 can be aligned with the part of the connecting bolt 3 penetrating in the inner sleeve 8 by utilizing a thread groove 10 arranged at the center of the bottom of the nut 6, and is screwed tightly, so that the nut 6 is jointed with the bottom of the lower part 2 through the lower washer 7, the rubber material of the lower gasket 7 can be conveniently compressed, the friction force between the nut 6 and the lower component 2 is easily increased, the connection of the device is firmer, when the parts need to be disassembled, the nut 6 is firstly unscrewed to be separated from the connecting bolt 3, then the connecting bolt 3 is rotated to separate the connecting bolt from the inner sleeve 8, finally the lower part 2 is taken down from the inner sleeve 8 and the connected outer expansion cylinder 5, and finally the upper part 1 is separated from the lower part 2, which is the working principle of the fastener convenient for disassembly and assembly.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a make things convenient for fastener of dismouting, includes upper segment (1), outer extension section of thick bamboo (5), nexine sleeve (8) and little spring (11), its characterized in that: be connected with connecting bolt (3) between upper part (1) and lower part (2), and connecting bolt (3) upper portion is connected with upper gasket (4), outer extension section of thick bamboo (5) set up between upper part (1) and lower part (2), and outer extension section of thick bamboo (5) bottom is connected with nut (6) to install lower floor's packing ring (7) on nut (6), inlayer sleeve (8) are installed at outer extension section of thick bamboo (5) inboardly, and inlayer sleeve (8) top has seted up round hole groove (9) to inlayer sleeve (8) bottom is connected on thread groove (10), little spring (11) set up between outer extension section of thick bamboo (5) and inlayer sleeve (8).

2. A fastener for facilitating disassembly and assembly according to claim 1, wherein: the connecting bolt (3) penetrates through the upper component (1) and the lower component (2), the connecting bolt (3) is connected with the upper component (1) in a clamping mode through the upper-layer gasket (4), and the upper-layer gasket (4) is made of rubber.

3. A fastener for facilitating disassembly and assembly according to claim 1, wherein: outer extension section of thick bamboo (5) constitute elastic structure through little spring (11) and nexine sleeve (8), and little spring (11) use nexine sleeve (8) as the center on the inner wall of outer extension section of thick bamboo (5) equidistance arrange be provided with 5 to outer extension section of thick bamboo (5) are connected with lower part (2) block.

4. A fastener for facilitating disassembly and assembly according to claim 1, wherein: the nut (6) is in threaded connection with the connecting bolt (3) through a thread groove (10), the edge of the nut (6) is of a saw-toothed structure, and the diameter of the nut (6) is larger than the diameter of an inner hole of the lower component (2).

5. A fastener for facilitating disassembly and assembly according to claim 1, wherein: lower floor's packing ring (7) and nut (6) fixed connection, and lower floor's packing ring (7) are the rubber material to the diameter of lower floor's packing ring (7) is equal with the diameter of nut (6).

6. A fastener for facilitating disassembly and assembly according to claim 1, wherein: the inner sleeve (8) is in threaded connection with the connecting bolt (3) through the round hole groove (9), the inner sleeve (8) is in an inverted cone shape, and the outer wall inclination angle of the inner sleeve (8) is the same as that of the outer expansion cylinder (5).