CN218522922U

CN218522922U - Precision screw for electronic instrument

Info

Publication number: CN218522922U
Application number: CN202222610767.9U
Authority: CN
Inventors: 翁旺兴
Original assignee: Huizhou Xinling Industrial Co ltd
Current assignee: Huizhou Xinling Industrial Co ltd
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2023-02-24
Anticipated expiration: 2032-09-30

Abstract

The utility model relates to a screw technical field specifically is an accurate screw that electronic instrument used, including thick screw, thick screw swing joint is on electronic instrument, thick screw divides nut and bolt, nut bottom connecting bolt, the inside cavity of bolt runs through to two halves, the inside of bolt is equipped with the internal thread, internal thread and fixed screw swing joint, inside nut and the bolt were located to the fixed screw, the top of fixed screw is less than the top surface of nut, the upper end of nut is equipped with the screwdriver edge, the lower terminal surface of nut is equipped with the skewed tooth of multiunit cockscomb structure, skewed tooth and gasket structure swing joint, gasket structure and handle device swing joint, this accurate screw that electronic instrument used, can solve among the prior art accurate screw when assembling electronic instrument, can't play the fixed effect of enhancement, and lead to the problem of unable elasticity when not having the screwdriver.

Description

Precision screw for electronic instrument

Technical Field

The utility model relates to a screw technical field specifically is an accurate screw that electronic instrument used.

Background

The precision screw is a small screw for short, also called a tiny screw, is a tiny fastener for connecting product materials, has a tiny shape, and can play a key role at a key position. The method is widely applied to electronics, electrical equipment, electric appliances, furniture, mechanical equipment and the like.

Be CN211951130U a precision screw for computer motherboard is fixed as bulletin number, including the screw thread post, the one end surface of screw thread post is provided with the spiral shell head, the outer wall of screw thread post is provided with the screw thread, the surface of screw thread is provided with anticorrosive abrasionproof mechanism, the other end surface of screw thread post is provided with the nut, the one end surface of nut is provided with the cross fixed orifices, the surface of cross fixed orifices is provided with the magnetic, the other end surface of nut is provided with anti-skidding antistatic mechanism, anti-skidding antistatic mechanism includes rubber membrane, sponge and No. two rubber membranes. A precision screw for computer motherboard is fixed, be equipped with anti-skidding anti-static mechanism and anticorrosive abrasionproof mechanism:

in the prior art, the service life of a precision screw is prolonged by an anti-slip anti-static mechanism and an anti-corrosion anti-abrasion mechanism, but the precision screw cannot play a role in strengthening and fixing when being assembled on an electronic instrument, and cannot be loosened and tightened when a screwdriver is not used; therefore, the existing requirements are not met, and a precise screw for an electronic instrument is provided for the requirement.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an accurate screw that electronic instrument used can solve among the prior art accurate screw when assembling electronic instrument, can't play and strengthen fixed effect to and lead to the problem of unable elasticity when not having the screwdriver.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides an accurate screw that electronic instrument used, including thick screw, thick screw swing joint is on electronic instrument, thick screw divides nut and bolt, nut bottom connecting bolt, the inside cavity of bolt runs through to two halves, the inside of bolt is equipped with the internal thread, internal thread and fixed screw swing joint, fixed screw locates inside nut and the bolt, the top of fixed screw is less than the top surface of nut, the upper end of nut is equipped with the screwdriver mouth, the lower terminal surface of nut is equipped with the skewed tooth of multiunit cockscomb structure, skewed tooth and gasket construction swing joint, gasket construction and handle device swing joint.

Preferably, the gasket structure includes gasket, pinhole and skewed tooth groove, and the gasket embolias on the bolt and with the nut laminating, the gasket up end is equipped with the skewed tooth groove of multiunit annular array, and skewed tooth groove is all inserted fixedly by skewed tooth, and the below of skewed tooth groove is equipped with the pinhole, and the pinhole is equipped with two sets of both sides and the symmetry that are located the gasket respectively.

Preferably, the handle device includes left handle, right handle, bolt, fixed orifices and fixed pin, and the pinhole is all inserted by the bolt, and the bolt is equipped with two sets ofly respectively fixed with one side of left handle and right handle lower extreme, and one side of left handle upper end is equipped with the fixed orifices, and the fixed orifices is equipped with fixed pin position with the right handle and corresponds and swing joint.

Preferably, the top surface of the fixing screw is provided with a cross-shaped notch.

Preferably, the fixing pin is inserted into the fixing hole, and the left handle and the right handle are connected into a semicircular arc-shaped handle.

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

1. the utility model discloses a thick screw rotation fixation inserts the thick screw with the fixed screw on electronic instrument, and the fixed screw makes the bolt of establishing to the two halves to outwards expand with the rotatory tightening of internal thread, and the inflation takes place for the whole external diameter of thick screw to reach and make thick screw strengthen the fixed difficult not hard up effect.

2. Insert the arc handle of half circular with left handle and right handle assembly through the fixed pin fixed orifices, the pinhole of gasket both sides all is inserted by the bolt, and the arc handle can be in the outer vertical rotation activity of gasket through the pinhole, and the level is rotated the oblique tooth that the arc handle was equipped with the skewed tooth groove horizontal rotation drive of multiunit annular array through the gasket and is corresponded, under the condition that does not have the screwdriver, still can carry out rotatory elasticity to the coarse screw.

Drawings

FIG. 1 is an overall view of a precision screw for an electronic instrument according to the present invention;

FIG. 2 is an exploded view of a precision screw for an electronic instrument according to the present invention;

fig. 3 is an assembly view of the precision screw for electronic instrument of the present invention.

In the figure: 1. a thick screw; 11. an electronic instrument; 2. a nut; 3. a bolt; 4. an internal thread; 5. fixing screws; 51. a notch; 6. a screwdriver blade; 7. helical teeth; 8. a gasket structure; 81. a gasket; 82. a pin hole; 83. an oblique gullet; 9. a handle device; 91. a left handle; 92. a right handle; 921. an arc-shaped handle; 93. a bolt; 94. a fixing hole; 95. and fixing the pin.

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.

In order to solve the problems that when a precision screw is assembled on an electronic instrument, the precision screw cannot play a role in strengthening fixation and cannot be loosened or tightened without a screwdriver, the embodiment provides the following technical scheme, please refer to fig. 1:

the utility model provides a precision screw that electronic instrument used, including thick screw 1, 1 swing joint of thick screw is on electronic instrument 11, thick screw 1 divides nut 2 and

bolt

3, 2 bottom connecting bolt 3 of nut, the inside cavity of bolt 3 is run through to two halves, the inside of bolt 3 is equipped with internal thread 4, internal thread 4 and 5 swing joint of fixed screw, fixed screw 5 is located inside nut 2 and bolt 3, the top of fixed screw 5 is less than the top surface of nut 2, the upper end of nut 2 is equipped with screwdriver mouth 6, the lower terminal surface of nut 2 is equipped with the skewed tooth 7 of multiunit cockscomb structure, skewed

tooth

7 and 8 swing joint of gasket structure, gasket structure 8 and handle device swing joint, when thick screw 1 is fixed on electronic instrument through the rotation, in inserting thick screw 1 with fixed screw 5, fixed screw 5 makes the bolt 3 of establishing to two halves expand outwards with the rotatory tightening of internal thread 4, make the whole external diameter of thick screw 1 take place the inflation, thereby reach the effect that further strengthen fixed not being difficult for referring to, please refer to 2:

gasket structure 8 includes gasket 81, pinhole 82 and skewed tooth groove 83, gasket 81 embolias on the bolt 3 and laminates with nut 2, the gasket 81 up end is equipped with the skewed tooth groove 83 of multiunit annular array, skewed tooth groove 83 is all inserted fixedly by skewed tooth 7, the below of skewed tooth groove 83 is equipped with pinhole 82, pinhole 82 is equipped with two sets of both sides that are located gasket 81 respectively and right, gasket 81 is used for preventing the friction between nut 2 and the electronic instrument, and the function that the cooperation handle device used, please refer to fig. 2:

handle device 9 includes left handle 91, right handle 92, bolt 93, fixed orifices 94 and fixed pin 95, pinhole 82 is all inserted by bolt 93, bolt 93 is equipped with two sets of one side of fixing respectively with left handle 91 and right handle 92 lower extreme, one side of left handle 91 upper end is equipped with fixed orifices 94, fixed orifices 94 and right handle 92 are equipped with fixed pin 95 position and correspond and swing joint, fixed pin 95 inserts fixed orifices 94 and assembles into half circular arc handle 921 with left handle 91 and right handle 92, pinhole 82 of gasket 81 both sides all is inserted by bolt 93, arc handle 921 can be outside gasket 81 perpendicular rotation activity through pinhole 82, be convenient for dodge screwdriver and insert edge of a knife 6 and notch 51, horizontal rotation arc handle 921 is equipped with the skewed tooth 7 that the skewed tooth groove 83 horizontal rotation of multiunit annular array drove the correspondence through the gasket, under the condition that does not have the screwdriver, still can rotate loose and tighten rough screw 1, please refer to figure 2:

the top surface of the fixing screw 5 is provided with a cross-shaped notch 51, and the notch 51 facilitates the insertion and rotation of the screwdriver, please refer to fig. 2:

the fixing pin 95 is inserted into the fixing hole 94, the left handle 91 and the right handle 92 are connected to form a semicircular arc-shaped handle 921, and the arc-shaped handle 921 is detached according to the needs of the user.

The working principle is as follows: the gasket 81 is sleeved on the bolt 3 and attached to the nut 2, the coarse screw 1 is fixed on the electronic instrument 11 through rotation, the fixing screw 5 is inserted into the coarse screw 1, the fixing screw 5 and the internal thread 4 are screwed tightly in a rotating mode to enable the two halves of the bolt 3 to expand outwards, the whole outer diameter of the coarse screw 1 is expanded, and therefore the effect that fixing is not easy to loosen is further enhanced, pin holes 82 on two sides of the gasket 81 are inserted through bolts 93, the fixing pin 95 is inserted into the fixing hole 94 to assemble the left handle 91 and the right handle 92 into the semicircular arc handle 921, the arc handle 921 can rotate vertically and move outside the gasket 81 through the pin holes 82, the screwdriver is convenient to avoid being inserted into the screwdriver blade 6 and the notch 51, the arc handle 921 is rotated horizontally to drive the corresponding oblique teeth 7 through the oblique tooth grooves 83 of the multiple groups of the annular arrays, the coarse screw 1 can still be screwed and loosened without a screwdriver, and the arc handle 921 can be disassembled and assembled according to the needs of a user through the fixing pin 95 and the fixing hole 94.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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. A precision screw for an electronic instrument, comprising a thick screw (1), characterized in that: thick screw (1) swing joint is on electronic instrument (11), thick screw (1) divides nut (2) and bolt (3), nut (2) bottom connecting bolt (3), the inside cavity of bolt (3) runs through to two halves, the inside of bolt (3) is equipped with internal thread (4), internal thread (4) and fixed screw (5) swing joint, nut (2) and bolt (3) inside are located in fixed screw (5), the top of fixed screw (5) is less than the top surface of nut (2), the upper end of nut (2) is equipped with screwdriver mouth (6), the lower terminal surface of nut (2) is equipped with skewed tooth (7) of multiunit cockscomb structure, skewed tooth (7) and gasket construction (8) swing joint, gasket construction (8) and handle device (9) swing joint.

2. A precision screw for an electronic instrument according to claim 1, wherein: gasket structure (8) are including gasket (81), pinhole (82) and skewed tooth groove (83), and bolt (3) are gone up and are laminated with nut (2) in gasket (81), and gasket (81) up end is equipped with skewed tooth groove (83) of multiunit ring array, and skewed tooth groove (83) are all inserted fixedly by skewed tooth (7), and the below of skewed tooth groove (83) is equipped with pinhole (82), and pinhole (82) are equipped with two sets of both sides and the symmetry that are located gasket (81) respectively.

3. A precision screw for an electronic instrument according to claim 1, wherein: handle device (9) are including left handle (91), right handle (92), bolt (93), fixed orifices (94) and fixed pin (95), and pinhole (82) are all inserted by bolt (93), and bolt (93) are equipped with two sets ofly respectively fixed with one side of left handle (91) and right handle (92) lower extreme, and one side of left handle (91) upper end is equipped with fixed orifices (94), and fixed orifices (94) are equipped with fixed pin (95) position with right handle (92) and correspond and swing joint.

4. A precision screw for an electronic instrument according to claim 1, wherein: the top surface of the fixing screw (5) is provided with a cross-shaped notch (51).

5. A precision screw for an electronic instrument according to claim 3, wherein: the fixing pin (95) is inserted into the fixing hole (94), and the left handle (91) and the right handle (92) are connected into a semicircular arc-shaped handle (921).