CN218151934U

CN218151934U - Anti-loosening fastener

Info

Publication number: CN218151934U
Application number: CN202220921824.2U
Authority: CN
Inventors: 黄海雷; 黄伟; 倪亚菊
Original assignee: Nantong Tongtai Fasteners Co ltd
Current assignee: Nantong Tongtai Fasteners Co ltd
Priority date: 2022-04-18
Filing date: 2022-04-18
Publication date: 2022-12-27
Anticipated expiration: 2032-04-18

Abstract

The utility model discloses a locking type fastener, including main part unit and fastening unit, the main part unit includes connecting rod, screw hole and screw, the surperficial swing joint of connecting rod has the lantern ring, the fixed surface of the lantern ring is connected with the second connecting plate. The utility model discloses a connecting rod and the lantern ring, be used for treating the mounting and connect, through first connecting plate, the second connecting plate, the cooperation of screw hole and screw, be used for connecting second connecting plate and first connecting plate closely, through the connecting block, be used for driving the locating piece up-and-down motion, through the spring, be used for driving the connecting block and reset, cooperation through locating piece and constant head tank, it is firm that the messenger treats that the mounting is fixed, avoid appearing coming off, solved current fastener and by the plane of personally submitting between the fixture spare, long-term use between the article, it is not hard up easily between fastener and the article, influence its fixed effect, and then can cause the problem that drops between article and the fastener.

Description

Anti-loosening fastener

Technical Field

The utility model relates to a fastener technical field specifically is locking type fastener.

Background

The fastener is also called a standard part in the market, and is a mechanical part which can fix or bond two or more elements together in a mechanical mode, the fastener is a mechanical part which is used for fastening and connecting and has wide application, various fasteners can be seen when the fastener is widely applied to various machines, equipment, vehicles and the like, the surface between the conventional fastener and a fixed object is a plane, and the fastener and an object are easy to loosen after long-term use, so that the fixing effect is influenced, and further, the object and the fastener can fall off.

SUMMERY OF THE UTILITY MODEL

To the relevant problem that exists among the prior art, the utility model aims at providing locking type fastener.

In order to solve the above problem, the utility model provides a following technical scheme:

locking type fastener, including main part unit and fastening unit, the main part unit includes connecting rod, screw hole and screw, the surperficial swing joint of connecting rod has the lantern ring, the fixed surface of the lantern ring is connected with the second connecting plate, the first connecting plate of upper end fixedly connected with on connecting rod surface, fastening unit includes the movable block, the inner chamber sliding connection of movable block has the connecting block, the top fixedly connected with spring of connecting block, the lower extreme fixedly connected with locating piece of spring one side, the constant head tank has been seted up to one side that the lantern ring was kept away from to the second connecting plate.

As a further description of the above solution, a plastic pad is fixedly connected to the top of the lantern ring, and one side of the plastic pad, which is far away from the lantern ring, is in contact with the to-be-fixed member.

As a further description of the above scheme, two ends of one side of the first connecting plate are both fixedly connected with supporting plates, and the two supporting plates are movably connected with the movable block through a rotating shaft.

As the further description of the scheme, the front and the back of the connecting block are fixedly connected with limiting blocks, and the front and the back of the inner cavity of the movable block are provided with limiting grooves.

As a further description of the above scheme, the top of the second connecting plate and the bottom of the first connecting plate are both fixedly connected with anti-slip strips, and one side of each anti-slip strip, which is far away from the second connecting plate and the first connecting plate, is in contact with the piece to be fixed.

As a further description of the above scheme, one end of the limiting block, which is far away from the connecting block, extends to the inner cavity of the limiting groove and is in sliding connection with the inner cavity of the limiting groove.

As a further description of the above, the screw extends through the inner cavity of the threaded hole and is threadedly coupled to the inner cavity of the threaded hole.

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

the utility model discloses a connecting rod and the lantern ring, be used for treating the mounting to connect, later through first connecting plate, the second connecting plate, the cooperation of screw hole and screw, be used for connecting second connecting plate and first connecting plate closely, through the connecting block, be used for driving the locating piece up-and-down motion, through the spring, be used for driving the connecting block and reset, cooperation through locating piece and constant head tank, be used for fastening first connecting plate and second connecting plate, and then make and treat that the mounting is fixed firm, avoid appearing droing, current fastener and by personally submitting the plane between the fixture spare, long-term use between the article, it is not hard up easily between fastener and the article, influence its fixed effect, and then can cause the problem that drops between article and the fastener.

Drawings

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

FIG. 2 is a schematic view of a partial enlarged structure at A in FIG. 1 according to the present invention;

FIG. 3 is a schematic view of a partial cross-sectional structure of the movable block of the present invention;

fig. 4 is a schematic diagram of a second connecting plate structure of the present invention.

In the figure: 1. a main body unit; 101. a connecting rod; 102. a collar; 103. a first connecting plate; 104. a second connecting plate; 105. a threaded hole; 106. a screw; 2. a fastening unit; 201. a movable block; 202. connecting blocks; 203. a spring; 204. positioning blocks; 205. positioning a groove; 3. a plastic pad; 4. a support plate; 5. a limiting block; 6. a limiting groove; 7. and (4) an anti-slip strip.

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. 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.

The utility model discloses a main unit 1, connecting rod 101, lantern ring 102, first connecting plate 103, second connecting plate 104, screw hole 105, screw 106, fastening unit 2, movable block 201, connecting block 202, spring 203, locating piece 204, constant head tank 205, plastic pad 3, backup pad 4, stopper 5, spacing groove 6 and antislip strip 7 part are general standard or the part that technical staff in the field known, its structure and principle all are that this technical staff all can learn through the technical manual or learn through conventional experimental method.

Referring to fig. 1-4, the anti-loose fastener comprises a main unit 1 and a fastening unit 2, wherein the main unit 1 comprises a connecting rod 101, a threaded hole 105 and a screw 106, the surface of the connecting rod 101 is movably connected with a lantern ring 102, the surface of the lantern ring 102 is fixedly connected with a second connecting plate 104, the upper end of the surface of the connecting rod 101 is fixedly connected with a first connecting plate 103, the fastening unit 2 comprises a movable block 201, the inner cavity of the movable block 201 is slidably connected with a connecting block 202, the top of the connecting block 202 is fixedly connected with a spring 203, the lower end of one side of the spring 203 is fixedly connected with a positioning block 204, one side of the second connecting plate 104, which is far away from the lantern ring 102, is provided with a positioning groove 205 for connecting a piece to be fixed through the connecting rod 101 and the lantern ring 102, then through the cooperation of the first connecting plate 103, the second connecting plate 104, the threaded hole 105 and the screw 106, the second connecting plate 104 and the first connecting plate 103 are tightly connected, the positioning block 204 is driven to move up and down through the connecting block 202, the spring 203 is used for driving the connecting block 202 to reset, the first connecting plate 103 and the second connecting plate 104 are fastened through the cooperation of the positioning block 204 and the positioning groove 205, the to-be-fixed piece is firmly fixed and is prevented from falling off, the problem that the fixing effect of the to-be-fixed piece is influenced due to the fact that the existing fastener and the to-be-fixed piece are in a plane is solved, the object is used for a long time, the fastener and the object are easy to loosen, and the problem that the object and the fastener fall off can be caused is solved.

The utility model discloses in, the top fixedly connected with plastic pad 3 of the lantern ring 102, plastic pad 3 keep away from lantern ring 102 one side with treat the mounting contact, through setting up lantern ring 102, played the effect of treating the mounting protection, avoid treating the mounting and receive wearing and tearing.

Wherein, the equal fixedly connected with backup pad 4 in both ends of first connecting plate 103 one side through pivot and movable block 201 swing joint between two backup pads 4, through setting up backup pad 4, has played the effect to movable block 201 steady support, avoids movable block 201 the condition that drops to appear.

Specifically, the front and the back of the connecting block 202 are fixedly connected with the limiting block 5, the front and the back of the inner cavity of the movable block 201 are provided with the limiting groove 6, the limiting effect on the connecting block 202 is achieved by arranging the limiting block 5 and the limiting groove 6, and the situation that the connecting block 202 is staggered when moving is avoided.

In addition, the top of second connecting plate 104 and the equal fixedly connected with antislip strip 7 in bottom of first connecting plate 103, one side that second connecting plate 104 and first connecting plate 103 were kept away from to antislip strip 7 with treat the mounting contact, through setting up antislip strip 7, played skid-proof effect, avoid appearing the gliding condition when connecting.

The utility model discloses in, the one end that connecting block 202 was kept away from to stopper 5 extends to the inner chamber of spacing groove 6 to with the inner chamber sliding connection of spacing groove 6.

Wherein the screw 106 penetrates through the inner cavity of the threaded hole 105 and is in threaded connection with the inner cavity of the threaded hole 105.

The working principle is as follows: when the fixing device is used, firstly, the connecting rod 101 penetrates through a to-be-fixed part, then the lantern ring 102 is sleeved on the surface of the connecting rod 101, and then the to-be-fixed part is clamped, next, the screw 106 penetrates through the inner cavity of the threaded hole 105, the first connecting plate 103 and the second connecting plate 104 are tightly connected through the matching of the threaded hole 105 and the screw 106, then the connecting block 202 is pulled to move downwards, the connecting block 202 drives the spring 203 to move downwards, the spring 203 is stretched and deformed downwards, meanwhile, the connecting block 202 drives the positioning block 204 to move downwards to one side of the positioning groove 205, then, the positioning block 204 is moved to the inner cavity of the positioning groove 205, then, the connecting block 202 is loosened, the positioning block 204 is driven to move upwards to reset through the resetting elasticity of the spring 203, the positioning block 204 is clamped in the inner cavity of the positioning groove 205, and further, the first connecting plate 103 and the second connecting plate 104 are firmly connected, so that the to-be-fixed part is fixed, and the falling-off condition is prevented, the problem that the existing plane is formed between the conventional fastener and a fixed object is formed between the fixed object and the fixed object is solved, and the object are easy to be fixed is easy to be fixed is loosened after long-used for a long time, and the object is broken-off problem that the object is caused.

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. Locking type fastener, including main part unit (1) and fastening unit (2), its characterized in that: the main part unit (1) comprises a connecting rod (101), a threaded hole (105) and a screw (106), the surface of the connecting rod (101) is movably connected with a lantern ring (102), the surface of the lantern ring (102) is fixedly connected with a second connecting plate (104), the upper end of the surface of the connecting rod (101) is fixedly connected with a first connecting plate (103), the fastening unit (2) comprises a movable block (201), the inner cavity of the movable block (201) is slidably connected with a connecting block (202), the top of the connecting block (202) is fixedly connected with a spring (203), the lower end of one side of the spring (203) is fixedly connected with a positioning block (204), and one side of the second connecting plate (104) far away from the lantern ring (102) is provided with a positioning groove (205).

2. The looseness-resistant fastener according to claim 1, wherein: the top fixedly connected with plastic pad (3) of lantern ring (102), one side that the lantern ring (102) is kept away from in plastic pad (3) is with treating the mounting contact.

3. A loose-proof fastener as defined in claim 1, wherein: the two ends of one side of the first connecting plate (103) are fixedly connected with supporting plates (4), and the two supporting plates (4) are movably connected with the movable block (201) through rotating shafts.

4. A loose-proof fastener as defined in claim 1, wherein: the equal fixedly connected with stopper (5) in the front and the back of connecting block (202), spacing groove (6) have all been seted up at the front and the back of movable block (201) inner chamber.

5. A loose-proof fastener as defined in claim 1, wherein: the top of the second connecting plate (104) and the bottom of the first connecting plate (103) are fixedly connected with anti-slip strips (7), and one side, far away from the second connecting plate (104) and the first connecting plate (103), of each anti-slip strip (7) is in contact with a to-be-fixed piece.

6. The looseness-resistant fastener according to claim 4, wherein: one end, far away from the connecting block (202), of the limiting block (5) extends to the inner cavity of the limiting groove (6) and is in sliding connection with the inner cavity of the limiting groove (6).

7. The looseness-resistant fastener according to claim 1, wherein: the screw (106) penetrates through the inner cavity of the threaded hole (105) and is in threaded connection with the inner cavity of the threaded hole (105).