CN215109979U - Adjustable bolt and bolt spanner - Google Patents

Abstract

The utility model discloses an adjustable bolt, it includes bolt body and cover spring on the bolt body one of bolt body center pin is served and is provided with the end be provided with the screw thread end on the other end of bolt body center pin, the one end butt of spring the end, be provided with the circular slot on the end, be provided with upper end open-ended draw-in groove on the inner wall of circular slot. It still discloses a bolt spanner for installing or dismantling adjustable bolt, bolt spanner include the body of rod and with the corresponding post of inserting of circular slot, it fixes to insert the post on body of rod one end, be provided with on inserting the post with the corresponding card strip of draw-in groove, work as insert the post and insert when the circular slot is interior, the card strip also inserts in the draw-in groove. Which can prevent the locked circuit fitting or a nearby fitting from being worn or crushed.

Description

Adjustable bolt and bolt spanner

Technical Field

The utility model relates to a fastener technical field especially relates to an adjustable bolt and bolt spanner.

Background

The bolt is widely visible in machines or electronic circuits as a fastener, and a general bolt can firmly mount a machine component or a circuit accessory on the machine or the electric appliance.

However, some circuit assemblies are fragile, such as chips, single layer circuit boards, capacitors, etc., and if the bolts lock into the circuit assemblies or the components associated with the assemblies and the bolts are not easily adjustable, they may crush or wear the circuit assemblies or nearby assemblies.

SUMMERY OF THE UTILITY MODEL

In order to overcome the disadvantages of the prior art, it is an object of the present invention to provide an adjustable bolt which can prevent a locked circuit component or a nearby component from being worn or crushed;

a second object of the present invention is to provide a bolt wrench.

The utility model discloses an one of the purpose adopts following technical scheme to realize:

the adjustable bolt comprises a bolt body and a spring sleeved on the bolt body, wherein one end of a bolt body center shaft is provided with an end head, the other end of the bolt body center shaft is provided with a threaded end, one end of the spring is abutted to the end head, a circular groove is formed in the end head, and a clamping groove with an upper end opened is formed in the inner wall of the circular groove.

Preferably, the end head further comprises a central column, and the central column is fixed at the center of the circular groove.

Preferably, the bolt body is further provided with a retainer ring, and the diameter of the spring is larger than that of the retainer ring.

Preferably, the bolt body is further provided with a clamp spring, and the clamp spring is arranged on the retaining ring.

Preferably, the central column, the retainer ring and the central axis of the bolt body are coincident.

The second purpose of the utility model is realized by adopting the following technical scheme:

the bolt wrench comprises a rod body and an inserting column corresponding to the circular groove, wherein the inserting column is fixed at one end of the rod body, a clamping strip corresponding to the clamping groove is arranged on the inserting column, and when the inserting column is inserted into the circular groove, the clamping strip is also inserted into the clamping groove.

Preferably, a central hole corresponding to the central column is axially arranged on the inserting column, and when the inserting column is inserted into the circular groove, the central column is also inserted into the central hole.

Preferably, the rod body coincides with a central axis of the central hole.

Preferably, the length of the rod body is 4-9 times of the length of the inserted column, and the diameter of the rod body is 2-5 times of the diameter of the inserted column.

Preferably, the rod body is a prismatic rod.

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

the utility model discloses a cover is equipped with the spring on the bolt body of adjustable bolt, installs at circuit accessories (for example the fin) when this bolt body, the one end butt circuit accessories of spring, one end butt the end, this moment the bolt body just can not be too tight to circuit accessories lock under the effect of elasticity, also adjusts very easily simultaneously the bolt body locks the degree of depth of circuit accessories, and can prevent by the circuit accessories of locking or adjacent part by bolt body wearing and tearing or by crushing.

Drawings

Fig. 1 is a schematic perspective view of an adjusting bolt of the present invention;

fig. 2 is a cross-sectional view of the bolt body of the present invention;

FIG. 3 is a reference diagram of the adjusting bolt of the present invention;

fig. 4 is a schematic perspective view of the bolt wrench of the present invention;

fig. 5 is a reference diagram of the use state of the bolt wrench of the present invention.

In the figure: 100. adjusting the bolt; 10. a bolt body; 11. a tip; 111. a circular groove; 112. a card slot; 113. a central column; 12. a threaded end; 13. a retainer ring; 20. a spring; 30. a clamp spring; 40. a circuit accessory; 41. an adjacent component; 200. a bolt wrench; 50. a rod body; 60. inserting a column; 61. clamping the strip; 62. a central bore.

Detailed Description

The invention will be further described with reference to the accompanying drawings and specific embodiments:

as shown in fig. 1-3, the utility model discloses an adjustable bolt 100, it includes bolt body 10 and cover spring 20 on the bolt body 10 one of bolt body 10 center pin is served and is provided with end 11 be provided with threaded end 12 on the other end of bolt body 10 center pin, the one end butt of spring 20 end 11, be provided with circular slot 111 on the end 11, be provided with upper end open-ended draw-in groove 112 on the inner wall of circular slot 111.

In the above embodiment, the utility model discloses an adjustable bolt 100's bolt body 10 goes up the cover and is equipped with spring 20, as shown in fig. 3, when this bolt body 10 is installed at circuit accessory 40 (for example the fin), spring 20's one end butt circuit accessory 40, the other end butt the end 11, at this moment, threaded end 12 on bolt body 10 is too tight that can not lock circuit accessory 40 under the effect of elasticity, also adjusts very easily simultaneously the bolt body 10 locks the degree of depth of circuit accessory 40, and can prevent that locked circuit accessory 40 or adjacent part 41 from being worn out or being crushed by bolt body 40. Wherein the bolt body 10 is most preferably a steel bolt body.

In another preferred embodiment, as shown in fig. 1-3, the tip 11 further comprises a center post 113, and the center post 113 is fixed at the center of the circular groove 111. The bolt body 10 is further provided with a retaining ring 13, and the diameter of the spring 20 is larger than that of the retaining ring 13, so that the spring 20 can pass through the retaining ring 13 conveniently. The bolt body 10 is further provided with a clamp spring 30, and the clamp spring 30 is arranged on the retainer ring 13. The central column 113, the retainer ring 13 and the central axis of the bolt body 10 coincide.

In the above embodiment, the central column 113 and the circular groove 111 facilitate the installation and the removal of the bolt body 10, and the snap spring 30 facilitates the bolt body 10 to be stabilized on the circuit component 40 and not to fall off easily. The retainer ring 13 facilitates the stable arrangement of the clamp spring 30 on the bolt body 10. For easier mounting and dismounting of the present bolt body 10, the central axis of the central post 113, the retainer ring 13 and the bolt body 10 coincide.

As shown in fig. 4-5, the utility model also discloses a bolt spanner 200 for installing or dismantling adjustable bolt 100, bolt spanner 200 include the body of rod 50 and with the corresponding post 60 of inserting of circular slot 111, post 60 is fixed on body of rod 50 is served, be provided with on post 60 with the card strip 61 that the draw-in groove 112 is corresponding, when post 60 inserts in circular slot 111, card strip 61 also inserts in the draw-in groove 112.

In the above embodiment, when the rod body 50 is rotated, the rod body 50 drives the inserting column 60 to rotate, because the clamping strip 61 is inserted into the clamping groove 112, the clamping strip 61 on the inserting column 60 can drive the bolt body 10 to rotate, so that the installation and the disassembly of the adjustable bolt 100 are realized, and the upper end opening of the clamping groove 112 is favorable for the clamping strip 61 to be inserted into the clamping groove 112. To better disassemble adjustable bolt 100, the diameter of circular groove 111 is slightly larger than the diameter of plug 60, and the diameter of slot 112 is slightly larger than the diameter of clip strip 61.

In a preferred embodiment, as shown in fig. 4-5, the plug 60 is provided with a central hole 62 corresponding to a central post 113 in the axial direction, and when the plug 60 is inserted into the circular groove 111, the central post 113 is also inserted into the central hole 62. The rod body 50 is coincident with the central axis of the central hole 62, so that the appearance is attractive and the storage is facilitated. The length of the rod body 50 is 4-9 times of the length of the insert column 60, and the diameter of the rod body 50 is 2-5 times of the diameter of the insert column 60, so that labor is saved. The rod body 50 is a prismatic rod.

In the above embodiment, the central hole 62 and the central column 113 can increase the friction force between the bolt wrench 200 and the adjustable bolt 100, so as to better disassemble the adjustable bolt 100. In order to increase the friction force during use, the rod body 50 is a prismatic rod, and is preferably a hexagonal rod.

In summary, the adjustable bolt 100 utilizes the spring sleeved on the bolt body 10 to adjust the length of the bolt body 10 extending into the hole of the circuit fitting 40, and adjust the pressure of the bolt body 10 on the circuit fitting 40, so as to prevent the locked circuit fitting 40 or the adjacent component 41 from being worn or crushed by the bolt body 40.

Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes are intended to fall within the scope of the claims.

Claims (10)

1. An adjustable bolt, its characterized in that: the bolt comprises a bolt body and a spring sleeved on the bolt body, wherein one end of a central shaft of the bolt body is provided with an end head, the other end of the central shaft of the bolt body is provided with a threaded end, one end of the spring is abutted to the end head, the end head is provided with a circular groove, and the inner wall of the circular groove is provided with a clamping groove with an upper end opening.

2. The adjustable bolt of claim 1, wherein: the end head further comprises a central column, and the central column is fixed in the center of the circular groove.

3. The adjustable bolt of claim 2, wherein: the bolt body is further provided with a check ring, and the diameter of the spring is larger than that of the check ring.

4. The adjustable bolt of claim 3, wherein: the bolt body is further provided with a clamp spring, and the clamp spring is arranged on the retaining ring.

5. The adjustable bolt of claim 4, wherein: the central column, the retainer ring and the central shaft of the bolt body are coincided.

6. A bolt wrench for installing or removing the adjustable bolt of any one of claims 1-5, wherein: the bolt spanner comprises a rod body and an inserting column corresponding to the circular groove, the inserting column is fixed at one end of the rod body, a clamping strip corresponding to the clamping groove is arranged on the inserting column, and when the inserting column is inserted into the circular groove, the clamping strip is also inserted into the clamping groove.

7. The bolt wrench of claim 6, wherein: the axial of the inserting column is provided with a central hole corresponding to the central column, and when the inserting column is inserted into the circular groove, the central column is also inserted into the central hole.

8. The bolt wrench of claim 7, wherein: the rod body is superposed with the central axis of the central hole.

9. The bolt wrench of claim 7, wherein: the length of the rod body is 4-9 times of the length of the inserted column, and the diameter of the rod body is 2-5 times of the diameter of the inserted column.

10. The bolt wrench of claim 7, wherein: the rod body is a prismatic rod.

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