CN221299744U - Composite cross groove locking bolt - Google Patents

Abstract

The utility model provides a composite cross groove locking bolt, which relates to the technical field of locking bolts and comprises the following components: the screw rod, the top fixedly connected with spiral shell head of screw rod, the standing groove has been seted up at the top of spiral shell head, first mounting groove has been seted up to the inner wall symmetry of standing groove, two the equal symmetrical fixedly connected with first telescopic link in inner wall one side of first mounting groove, a plurality of the surface of first telescopic link all overlaps and is equipped with first spring, and is a plurality of first telescopic link divides into two sets of. According to the utility model, the groove seat can be quickly disassembled and assembled through the matching use of the sliding groove, the T-shaped block, the clamping groove, the placing groove, the first spring, the first telescopic rod, the first mounting groove and the clamping block, so that when the cross groove on the screw head is damaged, the groove seat is only required to be replaced, the whole bolt is not required to be replaced, and the waste of resources is reduced.

Description

Composite cross groove locking bolt

Technical Field

The utility model relates to the technical field of locking bolts, in particular to a composite cross groove locking bolt.

Background

The bolt is a fastener consisting of a head part and a screw rod, is used as a common fixing component, is widely applied to the fields of construction, machinery and daily life, has high standardization degree of threaded connection, is easy to assemble, disassemble and manufacture, can adapt to various working conditions, and is widely applied to the fields of a plurality of mechanical equipment.

In the prior art, the screw head and the screw rod of the bolt are usually fixed together, but the screw head is a vulnerable part of the bolt, and a cross groove in the screw head is easy to damage or wear in the use process, so that the whole bolt needs to be replaced, and the maintenance cost and the maintenance workload are increased.

Disclosure of utility model

The utility model aims to solve the problems that in the prior art, a screw head and a screw rod of a bolt are usually fixed together, but the screw head is a part of the bolt which is easy to consume, and a cross groove in the screw head is easy to damage or wear in the use process, so that the whole bolt needs to be replaced, the maintenance cost and the workload are increased, and the bolt is locked by the composite cross groove.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: a composite cross groove lock bolt comprising: the screw rod, the top fixedly connected with spiral shell head of screw rod, the standing groove has been seted up at the top of spiral shell head, first mounting groove has been seted up to the inner wall symmetry of standing groove, two the equal symmetrical fixedly connected with first telescopic link in inner wall one side of first mounting groove, a plurality of the surface of first telescopic link all overlaps and is equipped with first spring, and is a plurality of first telescopic link divide into two sets of, two sets of the equal fixedly connected with fixture block of relative one end of first telescopic link, the internal surface sliding connection of standing groove has the trench seat, the draw-in groove has all been seted up to the both sides surface of trench seat, two the spout has all been seted up at the inner wall top of first mounting groove, two the equal sliding connection of internal surface of spout has T type piece.

Preferably, the outer surfaces of the two clamping blocks are respectively arranged in a sliding manner with the inner surfaces of the two first mounting grooves, and the sections of the two clamping blocks are obliquely arranged.

Preferably, the outer surfaces of the two clamping blocks are respectively clamped with the inner surfaces of the two clamping grooves, and the bottoms of the two T-shaped blocks are respectively fixedly connected with the tops of the two clamping blocks.

Preferably, the inner wall bottom of standing groove has seted up the second mounting groove, two the inner wall bottom symmetry fixedly connected with second telescopic link of second mounting groove.

Preferably, the outer surfaces of the two second telescopic rods are sleeved with second springs, and a pushing block is fixedly connected between the tops of the two second telescopic rods.

Preferably, an annular groove is formed in the top of the screw head, and a rubber pad is adhered to the inner wall of the annular groove.

Preferably, the outer surface of the pushing block and the outer surface of the second mounting groove are arranged in a sliding manner.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. According to the utility model, the groove seat can be quickly disassembled and assembled through the matching use of the sliding groove, the T-shaped block, the clamping groove, the placing groove, the first spring, the first telescopic rod, the first mounting groove and the clamping block, so that when the cross groove on the screw head is damaged, the groove seat is only required to be replaced, the whole bolt is not required to be replaced, and the waste of resources is reduced.

2. According to the utility model, when the bolt is in use, friction force can be increased through the rubber pad in the annular groove, the bolt is prevented from loosening in the working process, and the push block, the second mounting groove, the second telescopic rod and the second spring are matched for use, so that the disassembly work of the groove seat can be assisted, and the replacement efficiency of the groove seat is improved.

Drawings

FIG. 1 is a perspective view of a proposed composite cross-slot lock bolt of the present utility model;

FIG. 2 is an expanded view of a proposed composite cross-slot lock bolt of the present utility model;

FIG. 3 is another angular deployment view of the proposed composite cross-slot lock bolt of the present utility model;

FIG. 4 is a cross-sectional view of a portion of the construction of a proposed composite cross-slot lock bolt;

fig. 5 is a cross-sectional view of a screw head of a proposed composite cross-slot lock bolt.

Legend description: 1. a screw; 2. a screw head; 3. a chute; 4. a T-shaped block; 5. a groove seat; 6. an annular groove; 7. a rubber pad; 8. a clamping groove; 9. a placement groove; 10. a pushing block; 11. a first spring; 12. a first telescopic rod; 13. a first mounting groove; 14. a clamping block; 15. a second mounting groove; 16. a second spring; 17. and a second telescopic rod.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

Embodiment 1 as shown in fig. 1-4, the present utility model provides a composite cross-slot lock bolt comprising: the screw rod 1, the top fixedly connected with spiral shell head 2 of spiral shell head 1, standing groove 9 has been seted up at the top of spiral shell head 2, first mounting groove 13 has been seted up to the inner wall symmetry of standing groove 9, the equal symmetrical fixedly connected with first telescopic link 12 in inner wall one side of two first mounting grooves 13, the surface of a plurality of first telescopic links 12 all overlaps and is equipped with first spring 11, a plurality of first telescopic links 12 divide into two sets of, the equal fixedly connected with fixture block 14 of relative one end of two sets of first telescopic links 12, the internal surface sliding connection of standing groove 9 has trench seat 5, draw-in groove 8 has all been seted up to the both sides surface of trench seat 5, spout 3 has all been seted up at the inner wall top of two first mounting grooves 13, the equal sliding connection of internal surface of two spouts 3 has T type piece 4, the surface of two fixture blocks 14 is the slip setting respectively with the internal surface of two first mounting grooves 13, the cross-section of two fixture blocks 14 all is the slope setting, the surface of two fixture blocks 14 is the block setting with the internal surface of two fixture blocks 8 respectively, the bottom of two T type pieces 14 respectively with the fixed connection of two fixture blocks 4.

The effect that its whole embodiment 1 reaches is, when needs are installed to the groove seat 5, align groove seat 5 with standing groove 9, then push down groove seat 5, extrude the cross-section of two fixture blocks 14 through groove seat 5, make two fixture blocks 14 to the inside of first mounting groove 13 remove, and make first spring 11 and first telescopic link 12 extrusion, after groove seat 5 is pressed to standing groove 9 completely, first mounting groove 13 aligns with draw-in groove 8, fixture block 14 no longer receives the extrusion, at this moment, the restoring force when resilience through first spring 11 can drive fixture block 14 outside promotion, inject the direction of movement of fixture block 14 through first telescopic link 12, thereby make fixture block 14 block to draw-in groove 8 in, the installation of groove seat 5 has been accomplished, when the cross-shaped groove on groove seat 5 appears wearing and tearing needs to change, make T type piece 4 remove in spout 3, drive fixture block 14 outside and draw-in groove 8 no longer block, can take out groove seat 5 from standing groove 9 and change, thereby the time need not take out the groove 5, and only waste of resources need to change when the whole bolt seat 5 appears, can be reduced.

In embodiment 2, as shown in fig. 1-4, a second installation groove 15 is formed in the bottom of the inner wall of the placement groove 9, second telescopic rods 17 are symmetrically and fixedly connected to the bottoms of the inner walls of the two second installation grooves 15, second springs 16 are sleeved on the outer surfaces of the two second telescopic rods 17, a push block 10 is fixedly connected between the tops of the two second telescopic rods 17, an annular groove 6 is formed in the top of the screw head 2, a rubber pad 7 is arranged on the inner wall of the annular groove 6 in an adhering mode, and the outer surfaces of the push block 10 and the outer surfaces of the second installation grooves 15 are in sliding arrangement.

The effect that its whole embodiment 2 reached is, when the bolt in the use, through rubber pad 7 in ring channel 6, can increase frictional force, prevent that the bolt from becoming flexible in the course of the work, after groove seat 5 installs in standing groove 9, can extrude ejector pad 10 and remove to second mounting groove 15, and make second spring 16 and second telescopic link 17 compress, thereby when fixture block 14 and draw-in groove 8 are not in the card, the resilience force when resilience through second spring 16 can upwards promote ejector pad 10, thereby release groove seat 5 from standing groove 9, can be quick change groove seat 5.

Working principle: when the groove seat 5 is required to be installed, the groove seat 5 is aligned with the placing groove 9, then the groove seat 5 is pressed downwards, the cross sections of the two clamping blocks 14 are extruded through the groove seat 5, the two clamping blocks 14 move towards the inside of the first installing groove 13, the first spring 11 and the first telescopic rod 12 are extruded, when the groove seat 5 is completely pressed to the placing groove 9, the push block 10 is extruded, the second spring 16 and the second telescopic rod 17 are compressed, the first installing groove 13 is aligned with the clamping groove 8, the clamping blocks 14 are not extruded any more, at the moment, the clamping blocks 14 are driven to push outwards by the restoring force when the first spring 11 rebounds, the moving direction of the clamping block 14 is limited through the first telescopic rod 12, so that the clamping block 14 is clamped into the clamping groove 8, the installation of the groove seat 5 is completed, when the cross groove on the groove seat 5 is worn and needs to be replaced, the T-shaped block 4 is pushed outwards, the T-shaped block 4 is moved in the sliding groove 3, the clamping block 14 is driven to move outwards, the clamping block 14 and the clamping groove 8 are not clamped, at the moment, the push block 10 is pushed upwards by the restoring force generated when the second spring 16 rebounds, the groove seat 5 is pushed out of the placing groove 9, and the groove seat 5 can be replaced quickly, so that when the groove seat 5 is damaged, only the groove seat 5 needs to be replaced, the whole bolt does not need to be replaced, and the waste of resources is reduced.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical matter of the present utility model will still fall within the protection scope of the technical solution of the present utility model.

Claims (7)

1. The compound cross groove locking bolt, its characterized in that includes: screw rod (1), the top fixedly connected with spiral shell head (2) of screw rod (1), standing groove (9) have been seted up at the top of spiral shell head (2), first mounting groove (13) have been seted up to the inner wall symmetry of standing groove (9), two equal fixedly connected with first telescopic link (12) of inner wall one side of first mounting groove (13), a plurality of the surface of first telescopic link (12) all overlaps and is equipped with first spring (11), and a plurality of first telescopic link (12) divide into two sets of, two sets of the equal fixedly connected with fixture block (14) of relative one end of first telescopic link (12), the internal surface sliding connection of standing groove (9) has groove seat (5), draw-in groove (8) have all been seted up to the both sides surface of groove seat (5), two spout (3) have all been seted up at the inner wall top of first mounting groove (13), two the internal surface of spout (3) all sliding connection has T type piece (4).

2. The composite cross groove lock bolt of claim 1, wherein: the outer surfaces of the two clamping blocks (14) are respectively arranged in a sliding mode with the inner surfaces of the two first mounting grooves (13), and the sections of the two clamping blocks (14) are obliquely arranged.

3. The composite cross groove lock bolt of claim 2, wherein: the outer surfaces of the two clamping blocks (14) are respectively clamped with the inner surfaces of the two clamping grooves (8), and the bottoms of the two T-shaped blocks (4) are respectively fixedly connected with the tops of the two clamping blocks (4).

4. The composite cross groove lock bolt of claim 3, wherein: the inner wall bottom of standing groove (9) has seted up second mounting groove (15), two the inner wall bottom symmetry fixedly connected with second telescopic link (17) of second mounting groove (15).

5. The composite cross groove lock bolt of claim 4, wherein: the outer surfaces of the two second telescopic rods (17) are sleeved with second springs (16), and a push block (10) is fixedly connected between the tops of the two second telescopic rods (17).

6. The composite cross-slot lock bolt of claim 5, wherein: an annular groove (6) is formed in the top of the screw head (2), and a rubber pad (7) is adhered to the inner wall of the annular groove (6).

7. The composite cross-slot lock bolt of claim 6, wherein: the outer surface of the pushing block (10) and the outer surface of the second mounting groove (15) are arranged in a sliding mode.