TWI691654B - Fixtures - Google Patents

Abstract

The invention relates to a fixing device, which comprises a sleeve, a fixing element and an outer sleeve, wherein the perforated bottom of the sleeve is provided with a positioning part, and a head of the fixing element is arranged above the sleeve, and the bottom of the head faces downward The shaft and the docking part penetrating into the perforation are extended, and the outer sleeve is combined with the head, and the bottom of the outer sleeve is concavely provided with a receiving space for covering the sleeve and the fixing element outside, and The top surface of the outer sleeve is concavely provided with a driving groove, and an actuating element for driving the outer sleeve to rotate is combined in the driving groove, which can be replaced and assembled according to the needs of the manufacturer. The adaptability and extensiveness of use, thereby enhancing the competitiveness of the overall product, and the use of replacement of actuating components can also enable different manufacturers to share the same fixed component, thereby reducing different types of inventory and waste, and can increase the storage In order to reduce the overall production cost.

Description

Fixtures

The invention provides a fixing device, in particular, a driving groove is recessed on the top surface of the sleeve outside the fixing device, and the driving groove can be replaced and assembled with different types of actuating elements according to the needs of the manufacturer to improve the use. Adaptability and extensiveness in order to enhance the competitiveness of the overall product.

Press, when the general panel (board-to-board) is combined, it is locked by a positioning screw with a knob, a collar and a screw, and the screw and the collar can be fixed on the first panel and rotated The knob locks the screw into the second panel to form a preset position, and then locks the screw with a hand tool, so that the first panel and the second panel are locked and fixed into one body, and can be used in telecommunications office cabinets, industrial computers, Working mother machine, etc., which uses a plurality of devices and mechanisms to form a board-to-board connection.

However, with the increasing utilization rate of equipment such as cabinets, industrial computers or work bases in telecommunications offices today, the specifications of the chassis, board sets, drawers or keyboard holders designed by various manufacturers and the lock joints required to match the screws in the positioning screws The style (such as: a word, cross, plum blossom, star or hexagon, etc.) is very different. If you need to develop different molds according to the style of the lock joint of different positioning screws, it will cost a lot of mold design and manufacturing Cost, and because the lock joint styles of the screws required by various manufacturers are different, if for one manufacturer overproduction, then It cannot be used by another manufacturer, so that waste of materials occurs. Moreover, the screw has a large volume, and if it is over-produced, it will occupy a lot of inventory.

Therefore, how to solve the above-mentioned lack of inconvenience and inconvenience is the direction of improvement for those engaged in this industry.

Therefore, in view of the above-mentioned deficiencies, the inventors collected relevant data, evaluated and considered through multiple parties, and based on years of experience in this industry, through continuous trial and modification, they began to design patents for such fixed devices.

The main purpose of the present invention is that the bottom of the perforation of the sleeve is provided with a positioning portion, and the head of the fixing element is provided above the sleeve, and the shaft of the head extends downwards and the shaft penetrated into the perforation and The butt joint is combined with an outer sleeve on the head, and the bottom of the outer sleeve is recessed inwardly to accommodate a space for covering the sleeve and the fixing element, and the top surface of the outer sleeve is recessed inwardly to provide a driving groove, In addition, the driving groove is combined with an actuating element for driving the outer sleeve to rotate. Because the outer sleeve is an actuator that can be replaced and assembled according to the needs of the manufacturer, different types of actuating parts can be assembled to improve the adaptability and wide range of use. Performance, thereby enhancing the competitiveness of the overall product, and using the replacement of the actuating component also allows different manufacturers to share the same fixed component module, thereby reducing the inventory and waste of different types of fixed components, and can increase the storage In order to reduce the overall production cost.

The secondary purpose of the present invention is that the fixing device only needs to replace the actuating element when it meets the needs of different manufacturers, so the sleeve and the fixing element do not need to be replaced, so that the sleeve and the fixing element can be produced through a set of molds , In order to reduce the cost of mold design and development, and then achieve the purpose of reducing manufacturing costs.

Another object of the present invention is that the outer sleeve and the actuating element are made of insulating material. When the butting portion of the fixing element is butted on the second plate, the outer sleeve will cover the sleeve so that The overall insulation effect of the fixing device is improved, and the actuating element is made of insulating material, which can also prevent rust and further improve the overall service life.

Another object of the present invention is that the plurality of abutting surfaces of the driving groove is tapered toward the upper opening direction, and the plurality of actuating surfaces of the actuating element are tapered toward the upper side. When the actuating element is combined in the driving groove, it will form The tight-fitting state enables the actuating element not to be easily detached from the drive slot when the fixing device is withdrawn, thereby not affecting the progress of the disassembly and assembly operation, and thus achieving the purpose of improving the fluency of the detachment operation.

1‧‧‧Sleeve

11‧‧‧Perforation

111‧‧‧Accommodation slot

12‧‧‧Positioning Department

121‧‧‧Annular groove

13‧‧‧Circular barrier

2‧‧‧Fixed components

21‧‧‧Head

22‧‧‧Shaft

23‧‧‧ Docking Department

231‧‧‧Male thread

24‧‧‧Elastic element

3‧‧‧Outer tube

31‧‧‧accommodation space

311: fixed groove

312: Ring resisting body

32: Drive slot

321: resistance surface

33: Actuating element

331: Acting surface

332: Actuator

34: Pulling part

341: Anti-slip bar

4: the first plate

41: Hole

5: second plate

51: keyhole

The first figure is a perspective view of the present invention.

The second figure is an exploded perspective view of the present invention.

The third figure is an exploded perspective view of the present invention from another perspective.

The fourth figure is a side sectional view of the present invention.

The fifth figure is a side sectional view of the present invention before assembly.

The sixth figure is a side sectional view of the present invention after assembly.

In order to achieve the above-mentioned objects and effects, the technical means adopted by the present invention, its structure, implementation methods, etc., the drawings and details of the preferred embodiments of the present invention are described in detail below. Their features and functions are as follows, so that they fully understand.

Please refer to the first, second, third and fourth figures for the three-dimensional appearance of the present invention Figure, three-dimensional exploded view, another exploded three-dimensional exploded view and side cross-sectional view, as can be clearly seen from the figure, the fixing device of the present invention includes a sleeve 1, a fixing element 2 and an outer sleeve 3, wherein:

The hollow inside of the sleeve 1 has a through hole 11 penetrating longitudinally, and a concave accommodating groove 111 is provided above the through hole 11, a positioning portion 12 is provided at the bottom of the through hole 11, and an outer surface of the positioning portion 12 is provided The annular groove 121 is formed with an annular blocking portion 13 protruding from the outer edge of the top of the through hole 11.

The fixing element 2 has a hexagonal head 21 located above the sleeve 1, and a shaft 22 penetrating into the perforation 11 is extended downward at the bottom surface of the head 21 and below the shaft 22 The butt portion 23 with a smaller outer diameter, and an external thread 231 is provided on the surface of the butt portion 23, and an elastic element 24 is sleeved on the shaft 22 and the butt portion 23, the elastic element 24 can be located on the sleeve 1 and the fixing element Between 2 there is an elastic deformation displacement.

The outer sleeve 3 is made of an insulating material, and the bottom of the outer sleeve 3 is recessed inwardly to provide an accommodating space 31 for covering the outside of the sleeve 1 and the fixing element 2, and a space above the accommodating space 31 is provided A fixing groove 311 for the head 21 to be combined and positioned, and an annular inwardly resisting body 312 formed at the opening below the accommodating space 31, and a quadrangular driving groove 32 is recessed inward on the top surface of the outer sleeve 3, A plurality of resisting surfaces 321 which are tapered toward the upper opening direction of the driving groove 32 are formed on the side wall surface of the driving groove 32, and an actuating element 33 which is quadrangular and made of an insulating material is combined in the driving groove 32, and the actuating element 33 is outside The wall surface is formed with a plurality of actuating surfaces 331 which are tapered upwards, and the surface of the actuating element 33 is provided with a cross groove, an internal hexagonal groove, a star groove, a Mi groove, a hexagonal convex column or other various types The actuating portion 332, and the outer surface of the outer sleeve 3 is provided with a quadrangular trigger portion 34, and a plurality of anti-slip bars 341 are longitudinally cut at the corners of the trigger portion 34.

The head 21 of the above-mentioned fixing element 2 is preferably implemented as an outer sleeve 3 integrally formed by plastic injection molding, but in practical applications, the head 21 and the outer sleeve 3 can also be inserted and fixed by assembly As a whole, all simple modifications and equivalent structural changes made by using the description and drawings of the present invention should be included in the scope of the patent of the present invention for the same reason, and Chen Ming.

Furthermore, the head 21 of the above-mentioned fixing element 2 is preferably hexagonal, but in practical application, it may also be round, square, triangular or other shapes, and the fixing groove of the outer space 3 accommodates the space 31 inside 311 can be changed according to the shape of the head 21, so that the head 21 can be surely embedded in the fixing groove 311.

In addition, the driving groove 32 and the actuating element 33 of the above-mentioned outer sleeve 3 are preferably quadrangular, but in actual application, they may also be other than triangular, star, hexagonal or circular, so the description and drawings of the present invention are used. The simple modifications and equivalent structural changes of the content of the formula should be included in the patent scope of the present invention in the same way, and they should be given together.

However, the driving groove 32 and the actuating element 33 of the above-mentioned outer sleeve 3 are preferably integrated with each other through tight fitting in the vertical direction. However, in actual application, the driving groove 32 and the actuating element 33 can also be embedded Cards, snap-fit structures or other combination methods are assembled into one body. Therefore, any simple modification and equivalent structural changes caused by the use of the description and drawings of the present invention should be included in the patent scope of the present invention, and it should be Chen Ming. .

In addition, the shape of the trigger portion 34 of the above-mentioned outer sleeve 3 can be preferably a quadrilateral, but in practical applications, it can also be circular, triangular, hexagonal, star-shaped, or other shapes. The simple modifications and equivalent structural changes in the content of the drawings should be included in the patent scope of the present invention in the same way, and they should be given together.

When the components of the present invention are assembled, the shaft 22 and the docking portion 23 of the fixing element 2 can be sleeved with an elastic element 24, and the shaft 22 and the docking portion 23 of the fixing element 2 can penetrate downward In the through hole 11 of the sleeve 1, one end of the elastic element 24 will bear in the accommodating groove 111, and the other end of the elastic element 24 elastically bears against the bottom surface of the head 21, so that the elastic element 24 is located in the through hole 11 The receiving groove 111 and the head 21 of the fixing element 2 are elastically deformed and displaced, and then apply force to sleeve the outer sleeve 3 downward to the outside of the sleeve 1 and make the ring at the opening below the outer sleeve 3 resist The body 312 bears against the surface of the annular blocking portion 13 of the sleeve 1, and then continues to apply downward force, so that the annular resisting body 312 can pass under the annular blocking portion 13 after the process of elastic deformation and reset The sleeve 1 is accommodated in the accommodating space 31 of the outer sleeve 3, and at the same time, the elastic element 24 is elastically supported against the bottom surface of the head 21, and the ring-shaped resisting body 312 is pressed against the bottom surface of the ring-shaped blocking portion 13 to form a block Positioning is effective to prevent the fixing element 2 from falling out of the sleeve 1, and then the sleeve 1, the fixing element 2 and the outer sleeve 3 assume a movable docking state.

The above-mentioned sleeve 1 and the fixing element 2 are integrally formed of a metal material, and the head 21 of the fixing element 2 is integrally formed with an outer sleeve 3 by plastic in a way of burying or injection, or the head 21 and the outer sleeve 3 The fixing groove 311 is integrated into a whole by assembling and positioning, and the outer sleeve 3 is preferably implemented by the annular resisting body 312 against the annular blocking portion 13 of the sleeve 1 to form a blocking position to effectively prevent the fixing element 2 from coming off Out of the sleeve 1, there are many ways to design the stop structure between the sleeve 1 and the outer sleeve 3. C-type buckles, washers or other stop elements (not shown) can also be used for sleeve connection After the shaft 22 of the fixing element 2 can be elastically supported by the elastic element 24 against the bottom surface of the head 21 of the fixing element 2, the docking portion 23 will bear against the stop element to form a stop Position so that the sleeve 1, solid The fixed element 2 and the outer sleeve 3 are in a state of active docking. Therefore, any simple modification and equivalent structural change caused by the use of the description and drawings of the present invention should be included in the scope of the patent of the present invention for the same reason.

Please also refer to the fifth and sixth figures, which are the side cross-sectional view before assembly and the side cross-sectional view after assembly of the present invention. It can be clearly seen from the figure that the fixing device of the present invention is applicable to The telecommunications bureau cabinet, computer server, working machine or other equipment or devices composed of machine board groups, drawers, keyboard racks, etc. are only a preferred implementation state, and the first board body 4 and the second The board body 5 serves as a panel and a frame, respectively, to form a server case, and the server case contains a motherboard, a power supply, access devices (such as hard drives, optical drives, etc.), interface cards or other Electronic equipment.

When the present invention is shipped from the factory, the actuator 33 of different types of actuator 332 can be replaced and assembled according to the needs of the manufacturer, and when the sleeve 1 and the first plate 4 are assembled, the suction device can be used first (Figure (Not shown in the figure) is attracted to the head 21 of the fixing element 2 for the subsequent riveting or welding operations. The overall center of gravity can be kept stable, thereby making the alignment assembly more accurate and not easy to be elastic The element 24 is elastically supported against the head 21 due to the impact of external shocks. The occurrence of deviation or sway occurs, so that after assembly, it can achieve accurate positioning, improve manufacturing quality and yield, and reduce production costs.

However, during the suction process of the suction device, the suction head can be used to suck on the head 21 of the fixing element 2 to pick up, and the positioning portion 12 of the sleeve 1 can be aligned with the hole of the first plate body 4 At the periphery of 41, or penetrate downward into the hole 41, the head 21 of the fixing element 2 can be released through the suction head, and then stamped on the head 21 by a stamping tool (not shown) , The elastic element 24 will show an elastic deformation displacement after being pressed , And push the top of the sleeve 1 from the bottom of the head 21, the annular groove 121 of the positioning portion 12 can be forced to be integrated into the hole 41 of the first plate body 4, and reflow can also be used. A machine (not shown) to perform subsequent soldering operations on the solder brushed around the hole 41, or the tinned operation can be used to make the positioning portion 12 of the sleeve 1 firmly welded to the first plate body 4 The holes 41 are combined into one.

In addition, the positioning portion 12 of the sleeve 1 and the hole 41 of the first plate 4 are preferably integrated by riveting or welding. However, in actual application, the positioning portion 12 of the sleeve 1 and the first The contact surface of the hole 41 of a plate body 4 is provided with internal and external threads screwed together, so that the positioning portion 12 of the sleeve 1 can be screwed to the first thread with internal threads or external threads (not shown in the figure). The holes 41 of the plate body 4 are externally threaded or internally threaded (not shown in the figure), which are combined into a whole by means of screwing and fixing. Therefore, the simple modification and equivalent structure of the description and drawings of the present invention are used. Changes should be included in the scope of the patent of the present invention for the same reason, and be given to Chen Ming.

When the present invention is to be locked in the locking hole 51 of the second board body 5, the first board body 4 (such as a panel) can be covered downwardly above the second board body 5 (such as a frame) , So that the hole 41 of the first plate body 4 is aligned with the lock hole 51 of the second plate body 5, and use a preset tool (which can be an electric tool (such as: electric screwdriver, etc.) or a hand tool (such as: star Screwdriver, slotted screwdriver, cross, or other screwdriver, etc.)] to actuate the actuating part 332 of the actuating element 33 on the top of the outer sleeve 3 and rotate in a clockwise direction. At this time, the plural actuating surfaces 331 on the side of the actuating element 33 are It will push against the plurality of resisting surfaces 321 inside the driving groove 32, so that the actuating element 33 can drive the outer sleeve 3 to rotate, and then the fixed element 2 is locked to rotate, thereby locking the external thread 231 of the butting portion 23 into the first In the locking hole 51 of the second plate body 5 to achieve the tight locking Function, so that the first plate body 4 and the second plate body 5 are firmly combined into one body by means of locking and fixing.

When the first plate body 4 is to be separated from the second plate body 5, it only needs to be connected to the actuating part 332 of the actuating element 33 on the top of the outer sleeve 3 through the electric tool or hand tool again, and rotate in a counterclockwise direction. Then, the plurality of actuating surfaces 331 of the actuating element 33 are pushed against the plurality of abutting surfaces 321 of the driving groove 32 to reversely rotate the outer sleeve 3, and then reversely rotate the butting portion 23 of the fixing element 2 to exit In the lock hole 51 of the second board body 5, the first board body 4 can be detached upward from the second board body 5, thereby completing the use of the present invention.

The above-mentioned outer sleeve 3 is preferably rotated by using electric tools (such as electric screwdrivers, etc.) or hand tools (such as star-shaped screwdrivers, slotted, cross or other screwdrivers, etc.), but in practical applications, The surface of the pulling portion 34 can be fitted with the pulling portion 34 or hand tools (such as open-end wrench, open-end wrench or socket wrench, etc.) held by the outer sleeve 3 by hand to drive the outer sleeve 3 to rotate and then be fixed in conjunction The element 2 rotates; in addition, the turning portion 34 of the outer sleeve 3 is provided with a plurality of anti-slip bars 341 at the corner of the longitudinal section, so when the surface of the pulling portion 34 is held by free hand to rotate, you can use the plural The anti-slip bar 341 increases the friction force with the fingers to avoid slipping when turning freely.

When the driving slot 32 of the outer sleeve 3 is not equipped with an actuating element 33, it can be used as a safety screw. The driving slot 32 of the outer sleeve 3 can be directly inserted into a special hand tool (not shown). In order to drive the outer sleeve 3 to rotate through a special hand tool, and then the fixed element 2 is locked or disassembled, thereby the fixing device not equipped with the actuating element 33 is in addition to the technical or maintenance personnel with special hand tools, No one else can lock or disassemble the fixing device to have a good anti-theft effect, and can improve the safety of use Performance, so that the fixture has a multi-purpose effect.

The present invention has the following advantages:

(1) The outer sleeve 3 is an actuating element 33 that can be replaced and assembled according to the needs of the manufacturer, so as to improve the adaptability and wideness of use, and thus enhance the competitiveness of the overall product and use The replacement of the actuating element 33 can also enable different manufacturers to share the same module of the fixed element 2, thereby reducing the inventory and waste of different types of fixed elements 2 and increasing the storage space to reduce the overall production cost utility.

(2) When the fixing device meets the needs of different manufacturers, only the actuating element 33 needs to be replaced, so the sleeve 1 and the fixing element 2 do not need to be replaced, so that the sleeve 1 and the fixing element 2 only need to pass through a set of molds Only production is needed, which can reduce mold design and development costs to achieve the effect of reducing manufacturing costs.

(3) The outer sleeve 3 and the actuating element 33 are made of insulating material. When the butt portion 23 of the fixing element 2 is butted on the second plate 5, the outer sleeve 3 will cover the sleeve 1, The insulating effect of the whole fixing device can be improved, and the actuating element 33 is made of insulating material, which can also prevent rust and further improve the overall service life effect.

(4) The plurality of resisting surfaces 321 of the driving groove 32 are tapered toward the upper opening direction, and the plurality of actuating surfaces 331 of the actuating element 33 are tapering upward, as the moving element 33 is combined in the driving groove 32, Interlocking to form a tight fit state, so that the actuating element 33 will not be easily detached from the drive slot 32 when the fixing device is withdrawn, thereby not affecting the progress of disassembly and assembly, and thus improving the smoothness of the disassembly operation degree.

The above is only the preferred embodiment of the present invention, and it does not limit the patent scope of the present invention. Therefore, the simple modifications and the like of the description and drawings of the present invention are used. Changes in the effective structure should be included in the patent scope of the present invention for the same reason, and it should be given to Chen Ming.

In summary, the above-mentioned fixing device of the present invention is indeed a highly practical research and development in order to achieve its efficacy and purpose in practical application and implementation. Therefore, in order to meet the application requirements of the invention patent, the application is submitted according to law I hope that the review committee will grant this case as soon as possible to protect the inventor's hard research and development and creation. If the review committee of the Jun Bureau has any doubts, please send me a letter and give instructions. The inventor will try his best to cooperate and feel virtuous.

1‧‧‧Sleeve

11‧‧‧Perforation

111‧‧‧Accommodation slot

12‧‧‧Positioning Department

121‧‧‧Annular groove

13‧‧‧Circular barrier

2‧‧‧Fixed components

21‧‧‧Head

22‧‧‧Shaft

23‧‧‧ Docking Department

231‧‧‧Male thread

24‧‧‧Elastic element

3‧‧‧Outer tube

32‧‧‧Drive slot

321‧‧‧Resistance

33‧‧‧Actuating components

331‧‧‧Actual surface

332‧‧‧Operation Department

34‧‧‧Pulling part

341‧‧‧Sliding strip

Claims (9)

A fixing device includes a sleeve, a fixing element and an outer sleeve, wherein: the hollow inside of the sleeve is provided with a through hole, and a positioning portion for positioning on the preset first plate body is provided at the bottom of the hole; the fixing The element has a head located above the sleeve, a shaft penetrating into the perforation is extended downward at the bottom surface of the head, and a shaft for docking on the preset second plate body is extended below the shaft Butt joint; the outer sleeve is combined with the head of the fixing element, and the bottom of the outer sleeve is recessed inwardly to provide a housing space for covering the sleeve and the outside of the fixing element, and the top surface of the outer sleeve is recessed inwardly There is a driving groove, and an actuating element for driving the outer sleeve to rotate is combined in the driving groove. The driving groove and the actuating element are integrated with each other through a tight fit in the vertical direction. The outer sleeve is made of insulating material, and The actuating element is made of insulating material. The fixing device as described in item 1 of the scope of the patent application, wherein above the perforation of the sleeve is provided with a concave accommodating groove, and the shaft and the docking part of the fixing element are provided with elastic supports against the accommodating The elastic element at the bottom of the groove and the head. The fixing device as described in item 1 of the patent application scope, wherein the outer edge of the perforated top of the sleeve is convexly provided with an annular blocking portion, and the opening under the accommodating space of the outer sleeve is formed with an inward turning and being resisted An annular resisting body at the bottom surface of the annular blocking portion. The fixing device as described in item 1 of the patent application scope, wherein a fixing groove is provided above the accommodating space of the outer sleeve for head positioning. The fixing device as described in item 1 of the patent application scope, wherein the driving groove and the actuating element of the outer sleeve are in a shape other than a circle. The fixing device as described in item 1 of the patent application scope, wherein the side wall surface of the driving groove of the outer sleeve is formed with a plurality of resisting surfaces, and the outer side wall surface of the actuating element is formed with a plurality of actions for pushing against the plurality of resisting surfaces On the surface of the actuating element, an actuating portion is provided on the surface of the actuating element for the presetting tool to abut to rotate the actuating element. The fixing device as described in item 6 of the patent application range, wherein the plural abutting surfaces of the driving groove are tapered toward the upper opening direction, and the plural actuating surfaces of the actuating element are tapered toward the upper side. The fixing device as described in item 1 of the patent application scope, wherein the outer surface of the outer sleeve is provided with a pulling part, and a plurality of anti-slip bars are longitudinally cut at the corner of the pulling part. A fixing device includes a sleeve, a fixing element and an outer sleeve, wherein: the hollow inside of the sleeve is provided with a through hole, and a positioning portion for positioning on the preset first plate body is provided at the bottom of the hole; the fixing The element has a head located above the sleeve, a shaft penetrating into the perforation is extended downward at the bottom surface of the head, and a shaft for docking on the preset second plate body is extended below the shaft Butt joint; the outer sleeve is combined with the head of the fixing element, and the accommodating space for covering the sleeve and the fixing element at the bottom of the outer sleeve is recessed inward, and the top surface of the outer sleeve is recessed inward There is a drive slot for the preset actuating element or tool to be inserted to drive the outer sleeve to rotate. The drive slot and the actuating element are integrated with each other through a tight fit in the vertical direction. The outer sleeve is made of insulating material and the pre The actuating element is made of insulating material.

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