CN217926673U

CN217926673U - Tension adjusting bolt

Info

Publication number: CN217926673U
Application number: CN202221966863.0U
Authority: CN
Inventors: 沈建成; 吴勤华
Original assignee: Jiaxing Chengfeng Hardware Co ltd
Current assignee: Jiaxing Chengfeng Hardware Co ltd
Priority date: 2022-07-28
Filing date: 2022-07-28
Publication date: 2022-11-29
Anticipated expiration: 2032-07-28

Abstract

The utility model belongs to the technical field of adjusting bolt. The tension adjusting bolt comprises a hexagonal sleeve, wherein a connecting rod is fixedly arranged on the inner wall of the hexagonal sleeve, the top of the connecting rod is in threaded connection with a first bolt, a first nut is fixedly arranged on the top of the first bolt, an inner groove is formed in the bottom of the hexagonal sleeve, a sliding block is slidably connected to the inner wall of the inner groove, a connecting plate is fixedly arranged on the inner wall of the sliding block, two sliding grooves are formed in the circumferential outer wall of the connecting rod in a symmetrical structure, a second bolt is fixedly arranged on the bottom of the connecting rod, a second nut is in threaded connection with the outer surface of the bolt, a spring is sleeved on the circumferential outer wall of the connecting rod, and a fixing ring is sleeved on the circumferential outer wall of the connecting rod; when the dismounting device is used, the second nut is screwed out of the second bolt, the hexagonal sleeve drives the bolt to move towards the outer side of the mechanical part under the elastic action of the spring, and therefore the second bolt is prevented from being adhered to the mechanical part under the action of oil dirt.

Description

Tension adjusting bolt

Technical Field

The utility model relates to an adjusting bolt technical field especially relates to a pulling force adjusting bolt.

Background

The bolt is a fastener consisting of a head part and a screw rod, needs to be matched with a nut for use, and is used for fastening and connecting two parts with through holes. The bolts are divided according to the stress mode of connection: common and reamed for use; dividing according to the shape of the head: hexagonal, round, square, countersunk, etc.; among them, a hexagonal head is the most commonly used, and a general countersunk head is used in a place where connection is required.

The bolt uses more in mechanical equipment, and is also comparatively common, and the cooperation of bolt and nut is mainly used for fastening machine part in mechanical equipment, but because the mechanical equipment surface can adhere to the greasy dirt, leads to the phenomenon of adhesion to appear easily in bolt and mechanical equipment, and the back is dismantled to equipment maintenance personnel's nut on piling up the bolt, leads to being difficult to take out the bolt from the connecting hole with the hand, for this reason, we propose a tension adjusting bolt.

SUMMERY OF THE UTILITY MODEL

Based on current adjusting bolt technical problem, the utility model provides a tension adjusting bolt.

The utility model provides a pair of pulling force adjusting bolt, including the hexagonal cover, the hexagonal cover inner wall has set firmly the connecting rod, connecting rod top threaded connection has bolt one, bolt one top has set firmly nut one, the inside groove has been seted up to hexagonal cover bottom, inside groove inner wall sliding connection has the slider, the slider inner wall has set firmly the connecting plate, connecting rod circumference outer wall is symmetrical structure and has seted up two spouts, the connecting rod bottom has set firmly bolt two, bolt outer surface threaded connection has nut two, connecting rod circumference outer wall cover is equipped with the spring, connecting rod circumference outer wall cover is equipped with solid fixed ring.

Preferably, the slider is connected with the outer wall of the circumference of the connecting rod in a sliding mode, the connecting plate is connected with the inner wall of the sliding groove in a sliding mode, and the bottom of the bolt is connected with the connecting plate in a rotating mode.

Through above-mentioned technical scheme, can carry on spacingly to the connecting plate through the spout to drive the slider and slide along the connecting rod surface.

Preferably, the upper end of the spring is in contact with the slider, and the lower end of the spring is in contact with the fixed ring.

Through above-mentioned technical scheme, through setting up the spring, can make the hexagonal cover drive the bolt to the machine part outside and remove to avoid bolt two adhesion on machine part under the effect of greasy dirt.

Preferably, gu fixed ring circumference outer wall is annular symmetrical structure and has seted up two mounting grooves one, mounting groove two has been seted up respectively to mounting groove inner wall both sides, mounting groove inner wall is equipped with the pivot, the pivot both ends overlap respectively and are equipped with the torsional spring, pivot circumference outer wall has set firmly the fixture block.

Through the technical scheme, the spring can be conveniently replaced, the spring can be conveniently installed, and the spring is prevented from falling from the inside of the hexagonal sleeve.

Preferably, the two ends of the rotating shaft are rotatably connected with the two inner walls of the mounting groove respectively, and the clamping block is slidably connected with the inner wall of the hexagonal sleeve.

Through the technical scheme, the clamping block can be conveniently limited, and the clamping block can also be conveniently slid along the inner wall of the hexagonal sleeve.

Preferably, one end of the torsion spring is fixedly connected with the inner wall of the mounting groove, and the other end of the torsion spring is fixedly connected with the clamping block.

Through above-mentioned technical scheme, the torsional spring can make the fixture block rotatory certain angle to laminate with the hexagonal cover inner wall.

The utility model provides a beneficial effect does:

1. when the dismounting device is used, the second nut is screwed out of the second bolt, the hexagonal sleeve drives the bolt to move towards the outer side of the mechanical part under the elastic action of the spring, and therefore the second bolt is prevented from being adhered to the mechanical part under the action of oil dirt.

2. The first bolt is driven to rotate through the rotating nut, so that the first bolt extends towards the inside of the connecting rod, the first bolt pushes the connecting plate to slide along the inner wall of the sliding groove, the connecting plate drives the sliding block to move, the spring is extruded, and the elasticity of the spring is adjusted.

3. Through stirring two fixture blocks simultaneously to the outside for the fixture block drives the pivot and rotates, makes the fixture block break away from hexagonal cover inside, thereby is convenient for take out solid fixed ring and spring, and this design can be convenient for change the spring, and the spring that also can be convenient for simultaneously is installed, avoids the spring to drop from hexagonal cover inside.

Drawings

Fig. 1 is a schematic view of an overall structure of a tension adjusting bolt provided by the present invention;

fig. 2 is a schematic view of an internal structure of a tension adjusting bolt according to the present invention;

fig. 3 is an enlarged view of a portion a in fig. 2 of a tension adjusting bolt according to the present invention;

fig. 4 is a schematic view of an installation structure of a tension adjusting bolt connection plate according to the present invention;

fig. 5 is the utility model provides a solid fixed ring's of tension adjusting bolt split structure schematic diagram.

In the figure: 1. a hexagonal sleeve; 2. a connecting rod; 3. a first bolt; 4. a first nut; 5. an inner tank; 6. a slider; 7. a connecting plate; 8. a chute; 9. a second bolt; 10. a second nut; 11. a spring; 12. a fixing ring; 13. a first mounting groove; 14. a second mounting groove; 15. a rotating shaft; 16. a torsion spring; 17. and (7) clamping blocks.

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.

Referring to fig. 1-5, the present invention provides a technical solution:

a tension adjusting bolt comprises a hexagonal sleeve 1, wherein a connecting rod 2 is fixedly arranged on the inner wall of the hexagonal sleeve 1, a first bolt 3 is connected to the top of the connecting rod 2 through threads, a first nut 4 is fixedly arranged on the top of the first bolt 3, an inner groove 5 is formed in the bottom of the hexagonal sleeve 1, a sliding block 6 is slidably connected to the inner wall of the inner groove 5, a connecting plate 7 is fixedly arranged on the inner wall of the sliding block 6, two sliding grooves 8 are formed in the outer wall of the circumference of the connecting rod 2 in a symmetrical structure, a second bolt 9 is fixedly arranged at the bottom of the connecting rod 2, a second nut 10 is connected to the outer surface of the second bolt 9 through threads, a spring 11 is sleeved on the outer wall of the circumference of the connecting rod 2, and a fixing ring 12 is sleeved on the outer wall of the circumference of the connecting rod 2; when the screw cap is disassembled, the second nut 10 is screwed out of the second bolt 9, and at the moment, under the elastic force action of the spring 11, the second bolt 9 is driven by the hexagonal sleeve 1 to move towards the outer side of the mechanical part, so that the second bolt 9 is prevented from being adhered to the mechanical part under the action of oil dirt; drive bolt 3 through swivel nut 4 and rotate for bolt 3 is to 2 inside extensions of connecting rod, promotes connecting plate 7 through bolt 3 and slides along 8 inner walls of spout, drives slider 6 through connecting plate 7 and removes, thereby extrudees spring 11, thereby adjusts spring 11's elasticity.

Specifically,

slider

6 and 2 circumference outer wall sliding connection of connecting rod, connecting

plate

7 and 8 inner wall sliding connection of spout, 3 bottoms of bolt are rotated with connecting plate 7 and are connected, can carry on spacingly to connecting plate 7 through spout 8 to drive slider 6 along 2 surface sliding of connecting rod.

Further,

slider

plate

Still further, gu fixed ring 12 circumference outer wall is annular symmetrical structure and has seted up two mounting groove 13, mounting groove two 14 have been seted up respectively to mounting groove 13 inner wall both sides, mounting groove 13 inner wall is equipped with pivot 15, the 15 both ends of pivot are overlapped respectively and are equipped with torsional spring 16, the 15 circumference outer wall of pivot has set firmly fixture block 17, can be convenient for change spring 11, the spring 11 that also can be convenient for simultaneously is installed, avoids spring 11 to follow 1 inside drops of hexagonal cover.

Furthermore, the two ends of the rotating shaft 15 are respectively rotatably connected with the inner wall of the second mounting groove 14, and the clamping block 17 is slidably connected with the inner wall of the hexagonal sleeve 1, so that the clamping block 17 can be conveniently limited, and the clamping block 17 can also be conveniently slid along the inner wall of the hexagonal sleeve 1.

It is worth to say that one end of the torsion spring 16 is fixedly connected with the inner wall of the second mounting groove 14, the other end of the torsion spring 16 is fixedly connected with the clamping block 17, and the torsion spring 16 can enable the clamping block 17 to rotate for a certain angle, so that the inner wall of the hexagonal sleeve 1 can be attached to the clamping block.

The working principle is as follows: the nut II 10 on the bolt II 9 is rotated, so that the nut II 10 moves upwards along the bolt II 9, when the nut II 10 is in contact with a part, the connecting rod 2 moves towards the inside of the part under the rotation of the bolt II 9, so that the mechanical part is fastened, the connecting rod 2 can drive the hexagonal sleeve 1 to move when moving, the fixing ring 12 is in contact with the surface of the mechanical part and extrudes the mechanical part, the fixing ring 12 moves towards the inside of the hexagonal sleeve 1 and extrudes the spring 11 until the hexagonal sleeve 1 is in contact with the surface of the mechanical part, when the nut II 10 is disassembled, the nut II 10 is screwed out of the bolt II 9, at the moment, under the elastic force of the spring 11, the hexagonal sleeve 1 drives the bolt II 9 to move towards the outside of the mechanical part, and therefore the bolt II 9 is prevented from being adhered to the mechanical part under the action of oil dirt; drive bolt 3 through swivel nut 4 and rotate, make bolt 3 to 2 inside extensions of connecting rod, promote connecting plate 7 through bolt 3 and slide along 8 inner walls of spout, drive slider 6 through connecting plate 7 and remove, thereby extrude spring 11, thereby adjust spring 11's elasticity, stir two fixture blocks 17 simultaneously through the outside, make fixture block 17 drive pivot 15 and rotate, make fixture block 17 break away from 1 inside of hexagonal cover, thereby be convenient for take out solid fixed ring 12 and spring 11, this design can be convenient for change spring 11, spring 11 of also can being convenient for install simultaneously, avoid spring 11 to drop from 1 inside of hexagonal cover.

The above, only be the embodiment of the preferred 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, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a tension adjusting bolt, includes hexagonal cover (1), its characterized in that: the utility model discloses a hexagonal cover (1) inner wall has set firmly connecting rod (2), connecting rod (2) top threaded connection has bolt one (3), bolt one (3) top has set firmly nut one (4), inside groove (5) have been seted up to hexagonal cover (1) bottom, inside groove (5) inner wall sliding connection has slider (6), slider (6) inner wall has set firmly connecting plate (7), connecting rod (2) circumference outer wall is symmetrical structure and has seted up two spout (8), connecting rod (2) bottom has set firmly bolt two (9), bolt two (9) surface threaded connection has nut two (10), connecting rod (2) circumference outer wall cover is equipped with spring (11), connecting rod (2) circumference outer wall cover is equipped with solid fixed ring (12).

2. The tension adjusting bolt of claim 1, wherein: the sliding block (6) is connected with the outer wall of the circumference of the connecting rod (2) in a sliding mode, the connecting plate (7) is connected with the inner wall of the sliding groove (8) in a sliding mode, and the bottom of the first bolt (3) is connected with the connecting plate (7) in a rotating mode.

3. The tension adjustment bolt of claim 1, wherein: spring (11) upper end and slider (6) contact, spring (11) lower extreme and solid fixed ring (12) contact.

4. The tension adjusting bolt of claim 1, wherein: fixed ring (12) circumference outer wall is annular symmetrical structure and has seted up two mounting groove one (13), mounting groove two (14) have been seted up respectively to mounting groove one (13) inner wall both sides, mounting groove one (13) inner wall is equipped with pivot (15), pivot (15) both ends are overlapped respectively and are equipped with torsional spring (16), pivot (15) circumference outer wall has set firmly fixture block (17).

5. The tension adjustment bolt of claim 4, wherein: two ends of the rotating shaft (15) are respectively rotatably connected with the inner wall of the second mounting groove (14), and the clamping block (17) is slidably connected with the inner wall of the hexagonal sleeve (1).

6. The tension adjustment bolt of claim 4, wherein: and one end of the torsion spring (16) is fixedly connected with the inner wall of the second mounting groove (14), and the other end of the torsion spring (16) is fixedly connected with the clamping block (17).