CN217682732U

CN217682732U - Step screw spring sub-assembly

Info

Publication number: CN217682732U
Application number: CN202222103040.1U
Authority: CN
Inventors: 占细华
Original assignee: Dongguan Huixuan Hardware Product Co ltd
Current assignee: Dongguan Huixuan Hardware Product Co ltd
Priority date: 2022-08-10
Filing date: 2022-08-10
Publication date: 2022-10-28
Anticipated expiration: 2032-08-10

Abstract

The utility model discloses a step screw spring sub-assembly relates to the hardware fitting field, including the nut, fixed mounting has the non slipping spur on the nut, and the bottom side fixed mounting of nut has the screw rod, has seted up the mounting groove on the screw rod, and the bottom side fixed mounting of screw rod has the screw thread head, has seted up the fixed slot on the screw rod, and the damping spring has been cup jointed in sliding on the screw rod, and damping spring's one end fixed mounting is in the fixed slot, in the hole of the circuit board that needs the installation with the screw thread head alignment during the use, use the screwdriver to insert the cross spiral shell groove then rotation on the alignment nut after inserting. The utility model discloses, through fixed slot, damping spring's setting, when installing the nut on the circuit board with the screw thread head, damping spring can with the circuit board contact, can extrude the circuit board fixedly through damping spring, when the instrument receives the impact of colliding with simultaneously, damping spring can play the effect of buffering, promotes security and protecting effect, prevents that the circuit board from damaging.

Description

Step screw spring sub-assembly

Technical Field

The utility model relates to a hardware fitting technical field especially relates to a step screw spring sub-assembly.

Background

The simple understanding of the step screw is that the non-standard screw with more than two steps is suitable for precision mechanisms of various communication products, electronic instruments, computers, digital products, household electrical appliances, electric toys, various machine cores and the like, and is certainly used in mechanical equipment.

Among the prior art, when ordinary step screw installs on the inside circuit board of instrument equipment, if the comparison of screwing is tight, when equipment receives the impact of colliding with, does not have any buffering effect to make the circuit board damage easily, when the slope hole that needs the installation to have certain angle simultaneously, inconvenient alignment hole appears the skew easily when twisting, consequently needs a step screw spring sub-assembly to satisfy people's demand.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a step screw spring sub-assembly to on solving the ordinary step screw installation circuit board in the instrument that proposes in the above-mentioned background art, if the tight buffering effect that does not have of comparison of screwing, the problem of inconvenient alignment in the installation inclined hole.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a step screw spring sub-assembly, including the nut, fixed mounting has the non slipping spur on the nut, the bottom side fixed mounting of nut has the screw rod, the mounting groove has been seted up on the screw rod, the bottom side fixed mounting of screw rod has the screw thread head, the fixed slot has been seted up on the screw rod, the slip has cup jointed damping spring on the screw rod, damping spring's one end fixed mounting is in the fixed slot, in aligning the hole of the circuit board that needs the installation with the screw thread head during use, use the cross spiral shell groove on the screwdriver inserts accurate nut after inserting then rotatory, make the nut pass through in the screw rod drives screw thread head screw in the hole, it can make damping spring contact with the circuit board to last rotation, damping spring can start the absorbing effect of buffering when the shell of circuit board receives to collide with, and the security is promoted.

Preferably, a limiting ring is fixedly installed on the top side of the nut, a connecting ring is rotatably installed on the limiting ring, two positioning rings are movably installed on the connecting ring, movable shafts are fixedly installed on the sides, away from each other, of the two positioning rings, the same positioning frame is movably installed on the two movable shafts, connecting rods are fixedly installed on the sides, away from each other, of the two movable shafts, a regulating rod and a telescopic rod are respectively fixedly installed on one side of each connecting rod, the telescopic rod is slidably installed on the regulating rod, the positioning frames are placed on the surface of an object to be installed, the two connecting rods are pulled towards two sides, the two connecting rods can respectively drive the two movable shafts to slide in the two movable holes, so that the connecting rods are prevented from being deviated, the two movable shafts can drive the two positioning rings to be away from each other and compress a limiting spring, and the connecting rods can drive the telescopic rod to slide in movable grooves on the regulating rod, the two connecting rods can be connected through the adjusting rod without influencing the movement of the two connecting rods, the connecting rods can drive the inserted rods to be far away from the inserting openings while moving, so that the limitation on the connecting rods can be removed, then the two connecting rods are turned over to adjust the angle, so that the two positioning rings can be aligned to the holes to be installed, the connecting rings on the nuts can be aligned to the limiting grooves to be placed after the two positioning rings are far away, the two connecting rods are loosened after the two positioning rings are adjusted, at the moment, the two limiting springs can push the two positioning rings to be close to each other and clamp the connecting rings, so that the connecting rings can be limited, the screw head is pushed into the holes to be installed and rotates in the cross screw grooves on the nuts by using a screwdriver, the rotating nuts can rotate on the connecting rings through the rotating grooves on the limiting rings, so that the nuts cannot fall off, and can be aligned to the inclined holes to be turned in a dark, avoiding the offset.

Preferably, the adjusting rod is provided with a movable groove, the telescopic rod is slidably mounted in the movable groove, and the connecting rod moves to drive the telescopic rod to slide in the movable groove on the adjusting rod.

Preferably, the positioning rings are provided with limiting grooves, the connecting rings are movably arranged in the limiting grooves, the connecting rings on the nuts can be placed in alignment with the limiting grooves after the two positioning rings are far away from the limiting grooves, and the limiting grooves can limit the connecting rings to only vertically move.

Preferably, a rotating groove is formed in the limiting ring, the connecting ring is rotatably mounted in the rotating groove, and the rotating nut can rotate on the connecting ring through the rotating groove in the limiting ring, so that the nut cannot fall off.

Preferably, a plurality of sockets are formed in the positioning frame, an inserting rod is fixedly mounted on one side of the connecting rod, the inserting rod is movably mounted in the sockets, and the connecting rod can drive the inserting rod to be far away from the sockets when moving, so that the limitation on the connecting rod can be relieved.

Preferably, the locating rack is provided with a movable hole, the movable shaft is movably arranged in the movable hole, the movable shaft is sleeved with a limiting spring in a sliding manner, two ends of the limiting spring are respectively and fixedly arranged on one side of the locating ring, which is close to the connecting rod, the two movable shafts move to drive the two locating rings to be away from each other and compress the limiting spring, the two connecting rods are loosened, and the two limiting springs can push the two locating rings to be close to each other and clamp the connecting ring.

The utility model has the advantages that:

the utility model discloses in, through fixed slot, damping spring's setting, when installing the nut on the circuit board with the thread head, damping spring can contact with the circuit board, can extrude fixedly to the circuit board through damping spring, and when the instrument received the impact of colliding with simultaneously, damping spring can play the effect of buffering, promotes security and protecting effect, prevents that the circuit board from damaging.

The utility model discloses in, through the setting of locating rack, holding ring isotructure, can keep flat the locating rack on the article that needs the installation during use, later pulling and the angle that the holding ring can be adjusted to the upset connecting rod makes it can aim at the hole of slope, is putting the nut and fixes a position between two holding rings to can make the nut aim at the hole of slope and install, skew when preventing to install promotes the precision of installation.

Drawings

Fig. 1 is a schematic structural view of a stepped screw-spring assembly according to the present invention;

fig. 2 is a schematic view of a partial structure of a stepped screw-spring assembly according to the present invention;

fig. 3 is a schematic structural view of a screw portion of a step screw-spring assembly according to the present invention;

fig. 4 is a schematic bottom view of the screw portion of the step screw spring assembly according to the present invention.

In the figure: 1. a nut; 2. anti-skid blocks; 3. a screw; 4. mounting grooves; 5. a screw head; 6. fixing grooves; 7. a damping spring; 8. a limiting ring; 9. a connecting ring; 10. a positioning ring; 11. a movable shaft; 12. a positioning frame; 13. a connecting rod; 14. adjusting a rod; 15. a telescopic rod; 16. a movable groove; 17. a limiting groove; 18. a rotating groove; 19. inserting a rod; 20. a socket; 21. a movable hole; 22. and a limiting 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.

Referring to fig. 1-4, a step screw spring assembly, including nut 1, fixed mounting has non-slipping spur 2 on nut 1, the bottom side fixed mounting of nut 1 has screw rod 3, mounting groove 4 has been seted up on screw rod 3, the bottom side fixed mounting of screw rod 3 has screw head 5, fixed slot 6 has been seted up on screw rod 3, damping spring 7 has been cup jointed in the slip on screw rod 3, damping spring 7's one end fixed mounting is in fixed slot 6, aim at screw head 5 in the hole of the circuit board that needs the installation during use, use the screwdriver to insert the cross spiral shell groove on accurate nut 1 and then rotate after inserting, make nut 1 drive screw head 5 screw in hole through screw rod 3, it can make damping spring 7 contact the circuit board to last rotation, damping spring 7 can start the shock-absorbing effect when the shell of circuit board receives to collide with, promote the security.

Referring to fig. 1-4, in the present invention, a position-limiting ring 8 is fixedly installed on the top side of a nut 1, a connecting ring 9 is rotatably installed on the position-limiting ring 8, two positioning rings 10 are movably installed on the connecting ring 9, movable shafts 11 are fixedly installed on the sides of the two positioning rings 10 away from each other, the same positioning frame 12 is movably installed on the two movable shafts 11, connecting rods 13 are fixedly installed on the sides of the two movable shafts 11 away from each other, an adjusting rod 14 and a telescopic rod 15 are respectively fixedly installed on one side of each connecting rod 13, the telescopic rod 15 is slidably installed on the adjusting rod 14, the positioning frame 12 is placed on the surface of an object to be installed, the two connecting rods 13 are pulled towards both sides, the two connecting rods 13 respectively drive the two movable shafts 11 to slide in the two movable holes 21, so as to prevent the connecting rods 13 from shifting, the two movable shafts 11 can drive the two positioning rings 10 away from each other and compress a position-limiting spring 22, the connecting rod 13 moves to drive the telescopic rod 15 to slide in the movable groove 16 on the adjusting rod 14, the two connecting rods 13 can be connected through the telescopic rod 15 on the adjusting rod 14 without affecting the movement of the two connecting rods 13, the connecting rod 13 moves while driving the inserted rod 19 to be far away from the socket 20, so that the limitation on the connecting rods 13 can be removed, then the two connecting rods 13 are turned over to adjust the angle, so that the two positioning rings 10 can be aligned with the holes to be installed, the connecting ring 9 on the nut 1 can be aligned with the limiting groove 17 after the two positioning rings 10 are far away, the two connecting rods 13 are loosened after the adjustment is finished, at the moment, the two limiting springs 22 can push the two positioning rings 10 to be close to each other and clamp the connecting ring 9, so that the connecting ring 9 can be limited, when a screwdriver is inserted into the cross thread groove on the nut 1, the screw head 5 is pushed into the hole to be installed and rotated, and the rotating screw cap 1 can rotate on the connecting ring 9 through the rotating groove 18 on the limiting ring 8, so that the screw cap 1 cannot fall off, and can be aligned to the inclined hole to perform blind rotation, and the deviation is avoided.

Referring to fig. 1, the utility model discloses in, having seted up the activity groove 16 on the regulation pole 14, telescopic link 15 slidable mounting is in the activity groove 16, and connecting rod 13 removes and can drive telescopic link 15 and slide in the activity groove 16 on adjusting pole 14.

Referring to fig. 3, the utility model discloses in, set up spacing groove 17 on the holding ring 10, go-between 9 movable mounting is in spacing groove 17, and two holding rings 10 can be put into the spacing groove 17 of go-between 9 alignment on the nut 1 after keeping away from, and spacing groove 17 can restrict go-between 9 and can only move perpendicularly.

Referring to fig. 3, the utility model discloses in, seted up on the spacing ring 8 and rotated groove 18, go-between 9 rotates and installs in rotating groove 18, and pivoted nut 1 can rotate on go-between 9 through the rotation groove 18 on the spacing ring 8 for nut 1 can not drop.

Referring to fig. 2, in the utility model, a plurality of sockets 20 have been seted up on locating rack 12, and one side fixed mounting of connecting rod 13 has inserted bar 19, and inserted bar 19 movable mounting can drive inserted bar 19 when connecting rod 13 removes and keep away from socket 20 in socket 20 to can remove the restriction to connecting rod 13.

Referring to fig. 1, the utility model discloses in, the activity hole 21 has been seted up on the locating

rack

12, 11 movable mounting of loose axle is in activity hole 21, sliding cup joints spacing spring 22 on the loose axle 11, spacing spring 22's both ends respectively fixed mounting be in the one side that the holding ring 10 is close to each other with connecting rod 13, two 11 removals of loose axle can drive two holding rings 10 and keep away from each other and make spacing spring 22 compress, loosen two connecting rods 13, two spacing springs 22 can promote two holding rings 10 and be close to each other and clip go-between 9 this moment.

The utility model discloses the theory of operation:

in the hole of the circuit board that needs the installation with screw thread head 5 alignment during the use, use the screwdriver to insert the cross spiral shell groove on the accurate nut 1 then rotatory after inserting for nut 1 drives in screw thread head 5 screw in hole through screw rod 3, and it can make damping spring 7 contact the circuit board to last the rotation, and damping spring 7 can start the absorbing effect of buffering when the shell of circuit board receives to collide with, promotes the security.

The positioning frame 12 is placed on the surface of an object to be installed, two connecting rods 13 are pulled towards two sides, the two connecting rods 13 can respectively drive two movable shafts 11 to slide in two movable holes 21, so that the connecting rods 13 are prevented from deviating, the two movable shafts 11 can drive two positioning rings 10 to be away from each other and compress a limiting spring 22 when moving, the connecting rods 13 can drive a telescopic rod 15 to slide in movable grooves 16 on adjusting rods 14 when moving, the two connecting rods 13 can be connected through the telescopic rod 15 in the adjusting rods 14, the movement of the two connecting rods 13 cannot be influenced, the connecting rods 13 can drive an inserted rod 19 to be away from a socket 20 when moving, so that the limitation on the connecting rods 13 can be relieved, then the two connecting rods 13 are turned over to adjust the angle, so that the two positioning rings 10 can be aligned with holes to be installed, the two positioning rings 10 can be aligned with the limiting grooves 17 after being away from each other, the two connecting rods 13 are loosened after adjustment, at the moment, the two positioning springs 22 can push the two positioning rings 10 to be close to clamp the two positioning rings 9, so that the holes can be aligned with the screw nuts 9 when the screw driver is inserted into the screw groove on the screwdriver 1, the screwdriver is inserted into the screw head 5, the screw head to be pushed into the screw cap, and the screw cap can not to rotate, so that the screw cap can not fall off, and the screw cap 8 can not fall off when the screw cap can rotate, and the screw cap 8, and the screw cap can not fall off, thereby preventing the screw cap from rotating device.

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 step screw spring sub-assembly, includes nut (1), its characterized in that: the anti-skidding screw cap is characterized in that an anti-skidding block (2) is fixedly mounted on the screw cap (1), a screw rod (3) is fixedly mounted on the bottom side of the screw cap (1), a mounting groove (4) is formed in the screw rod (3), a threaded head (5) is fixedly mounted on the bottom side of the screw rod (3), a fixing groove (6) is formed in the screw rod (3), a damping spring (7) is sleeved on the screw rod (3) in a sliding mode, and one end of the damping spring (7) is fixedly mounted in the fixing groove (6).

2. The step screw spring assembly of claim 1, wherein: top side fixed mounting of nut (1) has spacing ring (8), it installs go-between (9) to rotate on spacing ring (8), go-between (9) go up movable mounting have two holding rings (10), the equal fixed mounting in one side that two holding rings (10) kept away from each other has loose axle (11), movable mounting has same locating rack (12) on two loose axles (11), the equal fixed mounting in one side that two loose axles (11) kept away from each other has connecting rod (13), one side difference fixed mounting of two connecting rod (13) has regulation pole (14) and telescopic link (15), telescopic link (15) slidable mounting is on adjusting pole (14).

3. The step screw spring assembly of claim 2, wherein: the adjusting rod (14) is provided with a movable groove (16), and the telescopic rod (15) is slidably mounted in the movable groove (16).

4. The step screw spring assembly of claim 2, wherein: the positioning ring (10) is provided with a limiting groove (17), and the connecting ring (9) is movably arranged in the limiting groove (17).

5. The step screw spring assembly of claim 2, wherein: the limiting ring (8) is provided with a rotating groove (18), and the connecting ring (9) is rotatably arranged in the rotating groove (18).

6. The step screw spring assembly of claim 2, wherein: a plurality of sockets (20) are formed in the positioning frame (12), an inserting rod (19) is fixedly mounted on one side of the connecting rod (13), and the inserting rod (19) is movably mounted in the sockets (20).

7. The step screw spring assembly of claim 2, wherein: the positioning device is characterized in that a movable hole (21) is formed in the positioning frame (12), the movable shaft (11) is movably mounted in the movable hole (21), a limiting spring (22) is sleeved on the movable shaft (11) in a sliding mode, and two ends of the limiting spring (22) are fixedly mounted on one side, close to the positioning ring (10) and the connecting rod (13), of the positioning ring respectively.