CN214661399U

CN214661399U - Non-detachable screw

Info

Publication number: CN214661399U
Application number: CN202120084717.4U
Authority: CN
Inventors: 曾文杰; 周解明; 林德开; 戴松玉; 张施楠
Original assignee: Zhejiang Liyou Automobile Technology Co ltd
Current assignee: Zhejiang Liyou Automobile Technology Co ltd
Priority date: 2021-01-13
Filing date: 2021-01-13
Publication date: 2021-11-09
Anticipated expiration: 2031-01-13

Abstract

The utility model discloses a non-detachable screw in screw field, including nut and built-up member, be provided with the mounting hole on the built-up member, nut bottom fixed mounting has the screw rod, the outside of screw rod is provided with the screw thread, and the screw rod passes through in the mounting hole of threaded connection on the built-up member, be provided with the recess on the nut, sliding connection has the clamp plate in the recess, clamp plate bottom fixed mounting has the connecting rod, and the connecting rod extends the bottom of screw rod, the cover is equipped with return spring on the connecting rod, return spring's top fixed mounting is on the clamp plate, return spring's bottom fixed mounting is in the recess bottom, is provided with the mounting groove in the connecting rod, the beneficial effects of the utility model are that: this kind of screw convenient to use, the screw rod can utilize the locking lever to peg graft the locked groove internal locking after installing in the built-up part and fix to make this kind of screw can't dismantle, both strengthened the fixity of built-up part, avoided the built-up part to dismantle again simultaneously, lead to the internals to damage easily and lose the scheduling problem.

Description

Non-detachable screw

Technical Field

The utility model relates to a screw field specifically is a non-detachable screw.

Background

Screw indicates screw, is the physics and the mathematical principle that utilize the inclined plane circular rotation of object and frictional force, progressive fastener thing parts's instrument, and present screw most can both two-way rotation can install the screw that can dismantle again, nevertheless is opened in order to prevent article on some special article, leads to internals or article to damage to lose, often need install some fasteners additional in the outside of screw, and very troublesome, consequently the utility model provides a can not dismantle screw.

SUMMERY OF THE UTILITY MODEL

The utility model provides a non-detachable screw for solve above-mentioned current screw most can both the two-way rotation can install the screw that can dismantle again, nevertheless in order to prevent that article from being opened on some special article, lead to internals or article to damage and lose, often need install some fasteners additional in the outside of screw, very troublesome problem.

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

a non-detachable screw comprises a screw cap and an assembly part, wherein the assembly part is provided with a mounting hole, the bottom of the screw cap is fixedly provided with a screw rod, the outer side of the screw rod is provided with threads, the screw rod is connected into the mounting hole on the assembly part through the threads, the screw cap is provided with a groove, a pressing plate is connected in the groove in a sliding manner, the bottom of the pressing plate is fixedly provided with a connecting rod, the connecting rod extends out of the bottom of the screw rod, the connecting rod is sleeved with a return spring, the top of the return spring is fixedly arranged on the pressing plate, the bottom of the return spring is fixedly arranged at the bottom end in the groove, a mounting groove is arranged in the connecting rod, a locking spring is arranged in the mounting groove, two sides of the locking spring are respectively and fixedly provided with a limiting plate, one side of the two limiting plates, which is far away from each other, is respectively and fixedly provided with a locking rod, locking grooves are arranged in the assembly part corresponding to the two locking rods, and one side of each lock rod which is far away from each other extends into the lock groove.

As a further aspect of the present invention: the equal fixed mounting in both sides of nut has the connecting seat, two the connecting seat is kept away from the equal fixed mounting in one side each other and is had the driving lever, installs convenient and fast more through using this kind of screw of driving lever rotation, avoids traditional screw to need use instruments such as the screwdriver that correspond to install, saves the time of looking for the instrument and purchases the cost of mounting tool, has further improved the use convenience of this kind of screw.

As a further aspect of the present invention: the equal fixed mounting in both sides of clamp plate has the slider, just it all is provided with the spout to correspond two slider departments in the recess, slider sliding connection is in the spout, and it is spacing to the clamp plate formation through the slider, avoids the clamp plate to break away from the recess, is favorable to the use of this kind of screw.

As a further aspect of the present invention: the top of the pressing plate is provided with a slot, and a finger can be conveniently buckled into the slot through the slot to be pressed, so that the finger is prevented from sliding on the pressing plate, and the use of the pressing plate is facilitated.

As a further aspect of the present invention: be provided with the circular arc limit on the nut, avoid sharp-pointed contained angle to cause the problem that the user pointed the fish tail easily through the design on circular arc limit to further improve the safety in utilization of this kind of screw.

As a further aspect of the present invention: the screw rod is sleeved with a gasket, so that the contact area can be increased through the gasket, the pressure is reduced, looseness is prevented, and parts are protected.

Advantageous effects

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

1. in the utility model, the screw rod on the screw is firstly aligned to the mounting hole on the assembly part, then the nut is rotated by using two driving levers, the nut drives the screw rod to rotate, the screw rod enters into the mounting hole due to the thread fit between the thread and the inner wall of the mounting hole, when the screw rod is completely mounted in the mounting hole, the pressing plate is pressed downwards, the pressing plate drives the connecting rod to extend out of the bottom end of the screw rod, at the moment, the locking spring returns to drive the two limiting plates to slide towards the side away from each other, the two limiting plates drive the two locking rods to slide towards the side away from each other, so that the two locking rods are respectively inserted in the two locking grooves to complete the fixed limiting, after the pressing plate is loosened, the return spring returns to drive the connecting rod to ascend, thereby the tops of the two locking rods abut against the top end in the locking grooves, the assembly part is strengthened and fixed, the screw is convenient to use, the screw rod can be inserted in the locking grooves by the locking rods to be locked and fixed after being mounted in the locking grooves, therefore, the screw can not be disassembled, the fixity of the assembling part is enhanced, the assembling part can be prevented from being disassembled, and the problems that the internal parts are damaged and lost and the like are easily caused are solved.

2. The utility model discloses in, install convenient and fast more through using the rotatory this kind of screw of driving lever, avoid traditional screw to need use instruments such as screwdriver that correspond to install, save the time of looking for the instrument and purchase the cost of mounting tool, further improved the use convenience of this kind of screw.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a front view of the present invention;

fig. 3 is an enlarged view of a in fig. 1 according to the present invention.

In the figure: 1. a nut; 2. a screw; 3. a connecting rod; 4. a thread; 5. a return spring; 6. a deflector rod; 7. a connecting seat; 8. a groove; 9. a slot; 10. pressing a plate; 11. a chute; 12. a slider; 13. mounting holes; 14. an assembly member; 15. a lock lever; 16. locking the groove; 17. a limiting plate; 18. mounting grooves; 19. and locking the 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.

Example (b): as shown in fig. 1-3, a non-detachable screw comprises a screw cap 1 and an assembly member 14, the assembly member 14 is provided with a mounting hole 13, a screw rod 2 is fixedly mounted at the bottom of the screw cap 1, a thread 4 is arranged on the outer side of the screw rod 2, the screw rod 2 is connected to the mounting hole 13 of the assembly member 14 through the thread 4, a groove 8 is formed in the screw cap 1, a pressing plate 10 is slidably connected to the groove 8, a connecting rod 3 is fixedly mounted at the bottom of the pressing plate 10, the connecting rod 3 extends out of the bottom of the screw rod 2, a return spring 5 is sleeved on the connecting rod 3, the top of the return spring 5 is fixedly mounted on the pressing plate 10, the bottom of the return spring 5 is fixedly mounted at the bottom of the groove 8, a mounting groove 18 is formed in the connecting rod 3, a locking spring 19 is arranged in the mounting groove 18, limiting plates 17 are fixedly mounted on both sides of the locking spring 19, and a locking rod 15 is fixedly mounted on the sides of the two limiting plates 17 far away from each other, lock grooves 16 are formed in the assembly part 14 corresponding to the two lock rods 15, and one sides of the two lock rods 15 far away from each other extend into the lock grooves 16.

The equal fixed mounting in both sides of nut 1 has connecting seat 7, and two connecting seats 7 keep away from the equal fixed mounting in one side each other and have driving lever 6, install convenient and fast more through using driving lever 6 rotatory this kind of screw, avoid traditional screw to need use instruments such as the screwdriver that correspond to install, save the time of looking for instrument and the cost of purchasing mounting tool, further improved the use convenience of this kind of screw.

The equal fixed mounting in both sides of clamp plate 10 has slider 12, and corresponds two slider 12 departments in the recess 8 and all be provided with spout 11, and slider 12 sliding connection is spacing to clamp plate 10 formation through slider 12 in spout 11, avoids clamp plate 10 to break away from recess 8, is favorable to the use of this kind of screw.

The top of the pressing plate 10 is provided with the slot 9, so that fingers can be conveniently buckled into the slot 9 through the slot 9 to be pressed, the fingers are prevented from sliding on the pressing plate 10, and the use of the pressing plate 10 is facilitated.

Be provided with the circular arc limit on the nut 1, avoid sharp-pointed contained angle to cause the problem that the user pointed the fish tail easily through the design on circular arc limit to further improve the safety in utilization of this kind of screw.

The cover is equipped with the gasket on the screw rod 2, can increase area of contact through the gasket, reduces pressure, prevents not hard up, protects the part.

Specifically, when the utility model is used, firstly, the screw rod 2 on the screw is aligned to the mounting hole 13 on the assembly part 14, then the nut 1 is rotated by using the two shift levers 6, the nut 1 drives the screw rod 2 to rotate, the screw rod 2 enters the mounting hole 13 due to the thread fit between the threads 4 and the inner wall of the mounting hole 13, when the screw rod 2 is completely installed in the mounting hole 13, the pressing plate 10 is pressed downwards, the pressing plate 10 drives the connecting rod 3 to extend out of the bottom end of the screw rod 2, at the moment, the locking spring 19 returns to drive the two limiting plates 17 to slide towards the sides away from each other, the two limiting plates 17 drive the two locking rods 15 to slide towards the sides away from each other, so that the two locking rods 15 are respectively inserted in the two locking grooves 16 to complete the fixing and limiting, after the pressing plate 10 is loosened, the return spring 5 returns to drive the connecting rod 3 to ascend, thereby enabling the tops of the two locking rods 15 to abut against the tops of the locking grooves 16, the screw is convenient to use, the screw rod 2 can be inserted into the locking groove 16 by using the locking rod 15 to be locked and fixed after being arranged in the assembly part 14, so that the screw cannot be disassembled, the fixity of the assembly part 14 is enhanced, and the problems that internal parts are damaged and lost easily because the assembly part 14 can be disassembled are avoided;

install convenient and fast more through using driving lever 6 rotatory this kind of screw, avoid traditional screw to need use instruments such as screwdriver that correspond to install, save the time of looking for the instrument and purchase mounting tool's cost, further improved the use convenience of this kind of screw.

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 non-detachable screw is characterized by comprising a screw cap (1) and an assembly part (14), wherein a mounting hole (13) is formed in the assembly part (14), a screw rod (2) is fixedly mounted at the bottom of the screw cap (1), threads (4) are arranged on the outer side of the screw rod (2), the screw rod (2) is connected into the mounting hole (13) in the assembly part (14) through the threads (4), a groove (8) is formed in the screw cap (1), a pressing plate (10) is connected in the groove (8) in a sliding mode, a connecting rod (3) is fixedly mounted at the bottom of the pressing plate (10), the connecting rod (3) extends out of the bottom of the screw rod (2), a return spring (5) is sleeved on the connecting rod (3), the top of the return spring (5) is fixedly mounted on the pressing plate (10), and the bottom of the return spring (5) is fixedly mounted at the bottom end in the groove (8), be provided with mounting groove (18) in connecting rod (3), be provided with locking spring (19) in mounting groove (18), the equal fixed mounting in both sides of locking spring (19) has limiting plate (17), two limiting plate (17) keep away from the equal fixed mounting in one side each other and have locking lever (15), it all is provided with locked groove (16) to correspond two locking lever (15) departments in assembly part (14), and two locking lever (15) keep away from one side each other and all extend to in locked groove (16).

2. The non-detachable screw according to claim 1, wherein the nut (1) is fixedly provided with connecting seats (7) on both sides, and the driving rod (6) is fixedly provided on the side of the two connecting seats (7) away from each other.

3. The non-detachable screw according to claim 1, wherein sliding blocks (12) are fixedly mounted on both sides of the pressing plate (10), sliding grooves (11) are formed in the grooves (8) corresponding to the two sliding blocks (12), and the sliding blocks (12) are slidably connected in the sliding grooves (11).

4. Non-removable screw according to claim 1, characterized in that the top of said pressure plate (10) is provided with a slot (9).

5. Non-removable screw according to claim 1, characterised in that said cap (1) is provided with a circular arc edge.

6. A non-removable screw according to claim 1, characterised in that said shank (2) is provided with a washer.