CN203394949U

CN203394949U - Locking assembly

Info

Publication number: CN203394949U
Application number: CN201320397168.1U
Authority: CN
Inventors: 吕绍锋; 吴义谅
Original assignee: SHANYUAN TECHNOLOGY Co Ltd
Current assignee: SHANYUAN TECHNOLOGY Co Ltd
Priority date: 2013-07-04
Filing date: 2013-07-04
Publication date: 2014-01-15
Anticipated expiration: 2023-07-04
Also published as: TW201518619A; TWI547650B

Abstract

The utility model discloses a locking assembly which is applicable to locking different articles together. The locking assembly comprises a first locking member and a second locking member, wherein both the first locking member and the second locking member are provided with a penetrating end for penetrating the articles and a locking end for locking the articles; the first locking member is hollow; the hollow structure penetrates through the penetrating end of the first locking member and forms a docking cavity; inner screw threads are arranged in the docking cavity; and the penetrating end of the second locking member is provided with outer screw threads which are fitted with the inner screw threads. On one hand, the space occupied when the locking assembly locks the different articles together is reduced, so that the locking assembly can be used in limited spaces, therefore components around the articles are prevented from being interfered or the lack of the mounting distance of the components around the articles is avoided; on the other hand, the articles and the components around the articles are prevented from being destroyed.

Description

Locked assembly

Technical field

The utility model relates to a kind of locking and fixing device, relates in particular to a kind of locked assembly.

Background technique

Along with improving constantly of economic development and people's living standard, electronic product is widely used in the fields such as people life and industrial production, thereby provides good platform for the development of electronic product.And in electronic product, commonly to printed circuit board (PCB), various elements are installed, as transistor etc., for the ease of various elements are dismountable, be arranged on printed circuit board (PCB), therefore need to be by the cooperation of bolts and nuts so that various elements are installed on printed circuit board (PCB).

Wherein, as shown in Figure 1, existing by two transistor 20`(right transistor 20` of called after and left transistor 20` respectively) mode that is arranged on the radiating fin 30` of printed circuit board (PCB) is: first left transistor 20` is affixed on to the left surface of radiating fin 30` and both mounting holes faced, then, right transistor 20` is affixed on to the right flank of radiating fin 30` and both mounting holes are faced, then, by a bolt 11` the threaded end that makes this bolt 11` in turn through right transistor 20`, radiating fin 30` and left transistor 20` and the outside of stretching out left transistor 20`, finally, by a nut 12` and this nut 12` is screwed on the threaded end in the left transistor 20` of stretching out of bolt 11` outside, thereby make left transistor 20`, radiating fin 30` and right transistor 20` are locked between bolt 11` and nut 12`, thereby realize two transistor 20` is installed on to the object on the radiating fin 30` bi-side of printed circuit board (PCB).

But, adopt the fit system of bolt 11` and nut 12` transistor 20` to be installed on the radiating fin 30` of printed circuit board (PCB) and but will take the installing space that printed circuit board (PCB) is larger, and printed circuit board (PCB) Shang space is limited, therefore make the head of bolt 11` and nut 12` can interfere with the element of periphery or cause peripheral element mounting distance deficiency, thereby make troubles to the installation of peripheral element; Meanwhile, when rotated, its thread can damage transistor 20` to bolt 11`, and outstanding nut 12` also can injure the element of periphery; Moreover, bolt 11` only depends on bolt 11` to stretch out the internal thread locking of threaded end and the nut 12` in left transistor 20` outside, bolt 11` and nut 12` lock length shorter (being the internal thread length that length equals nut 12` that locks of bolt 11`), therefore, get loose more built on the sand and easily after locking.

Therefore, be badly in need of wanting a kind of locked assembly to overcome above-mentioned defect.

Model utility content

The purpose of this utility model is to provide a kind of can minimizing also can avoid damaging the locked assembly of object and peripheral element to the occupancy in space.

For realizing above-mentioned object, the utility model provides a kind of adaptation by different object lockings locked assembly together, comprises the first lock firmware and the second lock firmware that cooperatively interact.Described the first lock firmware and the second lock firmware all have one and place placing end and locking the lock pressure side of pressing described object of described object, and described the first lock firmware is hollow structure, described hollow structure runs through placing of described the first lock firmware holds and forms docking chamber, described docking has internal thread in chamber, and the outside thread having with described screw-internal thread fit is held in placing of described the second lock firmware.

Preferably, in the lock pressure side of described the first lock firmware and the second lock firmware, at least one has and coordinates to screw in or screw out the cooperating structure that this lock pressure side is used with extraneous instrument.

Preferably, described cooperating structure is in-line groove structure, cross groove structure, polygonal groove structure or polygonal projection cube structure.

Preferably, described cooperating structure is positioned at the end of the lock pressure side with this cooperating structure.

Preferably, in the lock pressure side of described the first lock firmware and the second lock firmware, at least one end is tack structure.

Preferably, the end that places of described the first lock firmware is barrel-shaped.

Preferably, described internal thread is of a size of M2.5 * 0.45 of metric system.

Preferably, described externally threaded M2.5 * 0.45 that is of a size of metric system.

Preferably, described hollow structure also runs through the lock pressure side of described the first lock firmware.

Preferably, described the first lock firmware and the second lock firmware lock that length equals described the second lock firmware place end length.

Compared with prior art, by the internal thread in docking of the present utility model chamber and the second lock firmware, place coordinating of outside thread on end, make the placing end in the docking chamber of the first lock firmware is stretched in locking during different object of the second lock firmware and accommodated by docking chamber, overcome on the one hand the partially long problem of length of existing bolt and nut, thereby reduced the occupancy of locked assembly of the present utility model to space, to be adapted in the occasion of limited space, therefore, can avoid the element mounting distance that interferes with the element of periphery or cause periphery not enough; Can avoid on the other hand the outside thread placing on end of the second lock firmware to cause damage to the element of different objects and periphery thereof.

Accompanying drawing explanation

Fig. 1 is the plane structure schematic diagram while using existing bolt and nut that the radiating fin of transistor and printed circuit board (PCB) is locked together.

Fig. 2 is the combination perspective view of locked assembly of the present utility model when the radiating fin of transistor and printed circuit board (PCB) is locked together.

Fig. 3 is the combination perspective view of another angle of locked assembly of the present utility model when the radiating fin of transistor and printed circuit board (PCB) is locked together.

Fig. 4 is the plane structure schematic diagram of Fig. 3.

Fig. 5 is the plane structure schematic diagram of the first lock firmware of locked assembly of the present utility model.

Fig. 6 is the plane structure schematic diagram of the second lock firmware of locked assembly of the present utility model.

Embodiment

In order to describe technology contents of the present utility model, structure characteristics in detail, below in conjunction with mode of execution and coordinate accompanying drawing to be described further.

Refer to Fig. 2 to Fig. 6, locked assembly 10 of the present utility model adapts to by different object lockings together, for example, for the radiating fin of the transistor in the present embodiment 20 and printed circuit board (PCB) 30 is locked together, but not as limit.Wherein, locked assembly 10 of the present utility model comprises the first lock firmware 11 and the second lock firmware 12 cooperatively interacting, the first lock firmware 11 and the second lock firmware 12 all have one place

object place end

111, 121 and lock press the lock pressure side 112 of object, 122, and the first lock firmware 11 is hollow structure, this hollow structure runs through placing end 111 and forming docking chamber 113 of the first lock firmware 11, in this docking chamber 113, there is internal thread 114, the end 121 that places of the second lock firmware 12 has the outside thread 124 coordinating with internal thread 114, therefore while using, the first lock firmware 11 from and a side of the object that sequences place, make placing of the first lock firmware 11 hold 111 objects that are positioned at and sequence, simultaneously, the second lock firmware 12 from and the opposite side of the object that sequences insert, and make the end 121 that places of the second lock firmware 12 stretch to docking 113 places, chamber, now, rotate again in the first lock firmware 11 and the second lock firmware 12 at least one, make the outside thread 124 of the second lock firmware 12 match and stretch in docking chamber 113 with the internal thread 114 in docking chamber 113, thereby the object that makes and sequence is locked between the lock pressure side 112 of the first lock firmware 11 and the lock pressure side 122 of the second lock firmware 12, realize the object that 100 pairs of different objects of locked assembly of the present utility model lock together, be preferably, the first lock firmware 11 and the second lock firmware 12 lock length (being the length of internal thread 114 of the first lock firmware 11 and the length of the outside thread 124 of the second lock firmware 12) equal the second lock firmware 12 place end 121 length, make locked assembly 100 of the present utility model overcome existing bolts and nuts because locking length compared with the short problem that locks built on the sand and easily get loose that exists.Wherein, make the structural design of the first lock firmware 11 more reasonable compact, therefore the end 111 that places of the first lock firmware 11 is barrel-shaped, and be understandable that, in other embodiments, hollow structure also can run through the lock pressure side 112 of the first lock firmware 11, to reduce the materials'use amount of the first lock firmware 11, reduces manufacture cost.More specifically, as follows:

Compared with the superior, in the lock pressure side 112,122 of the first lock firmware 11 and the second lock firmware 12, at least one has the cooperating structure 115,125 that coordinates to screw in extraneous instrument (as screw-driver or wrench etc.) or screw out these lock pressure side 112,122 use, so that operator's screw-in or screw out the first lock firmware 11 and the second lock firmware 12, particularly, in the present embodiment, the first lock firmware 11 and the second lock firmware 12 are all to have cooperating

structure

115, 125, with the operation of convenient operation personnel to the first lock firmware 11 and the second lock firmware 12 more, and cooperating

structure

115, 125 are positioned at the lock pressure side 112 of the first lock firmware 11 and the

second lock firmware

12, 122 end (is the lock pressure side 112 end that cooperating structure 115 is positioned at the first lock firmware 11, cooperating structure 125 is positioned at the lock pressure side 122 end of the second lock firmware 12), to enter a ground, reduce the occupancy in the first lock firmware 11 and the second lock firmware 12Dui space, preferentially, cooperating structure 115,125 is in-line groove structure, cross groove structure, polygonal groove structure or polygonal projection cube structure, to simplify the structure of cooperating structure 115,125, certainly, the concrete structure of cooperating structure 115,125 is not limited to this, can also be designed to according to actual user demand other structure.

Simultaneously, in the lock pressure side 112,122 of the first lock firmware 11 and the second lock firmware 12, at least one end is tack structure, specifically, in the present embodiment, the lock pressure side 112,122 end of the first lock firmware 11 and the second lock firmware 12 is all tack structure, to reduce further the occupancy in locked assembly 10Dui of the present utility model space; For example, in the present embodiment, the size of the internal thread 114 of the first lock firmware 11 may be selected to be M2.5 * 0.45 of metric system, accordingly, the size of the outside thread 124 of the second lock firmware 12 may be selected to be M2.5 * 0.45 of metric system, certainly, in other embodiments, the Dimensions of the Dimensions of the internal thread 114 of the first lock firmware 11 and the outside thread 124 of the second lock firmware 12 can also be other size, but, this is all that those of ordinary skills select according to actual needs and flexibly, therefore not with above-mentioned being limited for example.

In conjunction with Fig. 2 to Fig. 4, working principle to locked assembly of the present utility model describes: in the time of on the radiating fin 30 that two of left and right transistor 20 will be locked in to printed circuit board (PCB), now first make two transistors 20 in left and right be affixed on respectively in the left and right sides of radiating fin 30, then, the direction of the first lock firmware 11 from left end to right-hand member is in turn placed through to left transistor 20, radiating fin 30 and right transistor 20, and makes the lock pressure side 112 end of the first locking body 11 be positioned at right transistor 20, then, the direction of the second lock firmware 12 from right-hand member to left end placed to right transistor 20 and stretch into the opening that docks chamber 113, finally, rotate in the first lock firmware 11 and the second lock firmware 12 at least one, make placing in the docking chamber 113 that end 122 is threaded into the first lock firmware 11 of the second lock firmware 12 and dwindle the distance between the lock pressure side 112 of the first lock firmware 11 and the lock pressure side 122 of the second lock firmware 12, thereby make left transistor 20, radiating fin 30 and right transistor 20 are locked between the lock pressure side 112 of the first lock firmware 11 and the lock pressure side 122 of the second lock firmware 12, thereby completed the working procedure that locked assembly 100 of the present utility model locks together different objects.

The person of meriting attention, above-mentionedly only exemplifies locked assembly 100 of the present utility model transistor 20 and radiating fin 30 is locked together, certainly, and not as limit.

Compared with prior art, coordinating of the outside thread 124 of holding on 121 with placing of the second lock firmware 12 by the internal thread 114 in docking of the present utility model chamber 113, make the placing end 121 in the docking chamber 113 of the first lock firmware 11 is stretched in locking during different object of the second lock firmware 12 and docked chamber 113 and accommodate, overcome on the one hand the partially long problem of length of existing bolt and nut, thereby reduced the occupancy in locked assembly 100Dui of the present utility model space, to be adapted in the occasion of limited space, therefore, can avoid the element mounting distance deficiency that interferes with the element of periphery or cause periphery, can avoid on the other hand the second lock firmware 12 place 124 pairs of different objects of outside thread on 121 of end and the element of periphery causes damage.

Above disclosed is only preferred embodiments of the present utility model, certainly can not limit with this interest field of the utility model, and the equivalent variations of therefore doing according to the utility model claim, still belongs to the scope that the utility model is contained.

Claims

1. a locked assembly, adaptation by different object lockings together, it is characterized in that, described locked assembly comprises the first lock firmware and the second lock firmware cooperatively interacting, described the first lock firmware and the second lock firmware all have one and place placing end and locking the lock pressure side of pressing described object of described object, and described the first lock firmware is hollow structure, described hollow structure runs through placing of described the first lock firmware holds and forms docking chamber, described docking has internal thread in chamber, and the outside thread having with described screw-internal thread fit is held in placing of described the second lock firmware.

2. locked assembly as claimed in claim 1, is characterized in that, in the lock pressure side of described the first lock firmware and the second lock firmware, at least one has and coordinates to screw in or screw out the cooperating structure that this lock pressure side is used with extraneous instrument.

3. locked assembly as claimed in claim 2, is characterized in that, described cooperating structure is in-line groove structure, cross groove structure, polygonal groove structure or polygonal projection cube structure.

4. locked assembly as claimed in claim 2, is characterized in that, described cooperating structure is positioned at the end of the lock pressure side with this cooperating structure.

5. the locked assembly as described in claims 1 to 3 any one, is characterized in that, in the lock pressure side of described the first lock firmware and the second lock firmware, at least one end is tack structure.

6. the locked assembly as described in claims 1 to 3 any one, is characterized in that, the end that places of described the first lock firmware is barrel-shaped.

7. locked assembly as claimed in claim 1, is characterized in that, described internal thread is of a size of M2.5 * 0.45 of metric system.

8. locked assembly as claimed in claim 1, is characterized in that, described externally threaded M2.5 * 0.45 that is of a size of metric system.

9. locked assembly as claimed in claim 1, is characterized in that, described hollow structure also runs through the lock pressure side of described the first lock firmware.

10. locked assembly as claimed in claim 1, is characterized in that, described the first lock firmware and the second lock firmware lock that length equals described the second lock firmware place end length.