TWI688714B - Positioning device for preventing loosening - Google Patents

Abstract

The invention relates to a positioning device for preventing loosening, which comprises a sleeve, a damping element and a fixing element, wherein the perforated side of the sleeve is provided with a containing groove, and a sheet body with a damping element is arranged in the containing groove , And an opening is provided in the longitudinal section of the through hole inside the sheet body, and the sheet body is provided with a first end face and a second end face in the form of a front-rear difference at the two sides of the opening, and a fixing element is provided above the sleeve The head and the bottom of the head extend downwards with a shaft and a locking portion, and the surface of the shaft is provided with at least one resisting block. When the fixing element is locked, the resisting block rotates inside the sheet , And when the fixing element is in a vibration, shaking, etc. phenomenon of release action, the resisting block of the fixing element will be resisted by the first end surface of the damping member to form resistance, thereby preventing the fixing element from being affected by vibration, shaking, etc. A loosening occurs.

Description

Positioning device for preventing loosening

The invention provides a positioning device for preventing loosening, especially when the fixing element is in a vibration, shaking, etc. phenomenon of releasing action, at least one resisting block on the surface of the fixing element will be formed by being resisted by the first end face of the damping element Resistance to prevent loosening of the fixing element.

Press, when the general panel (board-to-board) is combined, it is locked by using a positioning screw with a collar and a screw, which can fix the screw and the collar on the first panel, and turn the screw to lock Formed into the second panel to form a preset position, and then use hand tools to lock the screws, so that the first panel and the second panel are locked and fixed into one, and can be used in telecommunications office cabinets, industrial computers, working mother machines, etc. The load-bearing equipment composed of a plurality of devices and mechanisms is used for board-to-board connection.

In addition, with the development of technology, electronic devices are driven to be lighter, thinner, shorter, and smaller. Therefore, the bearing device and the positioning screw fixed on the top also need to be reduced. However, the positioning screw will occur during transportation. Natural phenomena such as shaking and vibration, so that the screws of the positioning screw are easy to rotate in the direction of release, and then the loosening occurs, thereby preventing the first panel and the second panel from being tightly connected, resulting in the first panel and the second panel The two panels are prone to collide with each other to produce scratches, dents, or damage.

Therefore, in order to make the positioning screw not easy to loosen, the locking force will increase during the locking process, but adding the locking force will not only improve the loosening situation, but also because the locking force is easy to pass Strong, causing the first panel to lock onto the second panel, it is easy to over-lock the positioning screw on the second panel, which may cause deformation or breakage of the first panel, or the locking portion of the positioning screw The teeth are broken or broken, which causes many problems.

Therefore, how to solve the problems and deficiencies of the above-mentioned practice is the one where the relevant manufacturers engaged in this industry are eager to study the direction of improvement.

Therefore, in view of the above problems and deficiencies, the inventors collected relevant information, evaluated and considered through multiple parties, and based on many years of experience in this industry, they began to design such an anti-loosening positioning device.

The main purpose of the present invention is that the hollow perforated side of the sleeve is provided with a containing groove, and a sheet body with a damping member is installed in the containing groove, and the through hole inside the sheet body is longitudinally sectioned Opening, and the sheet body is provided with a first end face and a second end face in the form of a front-rear difference at the two sides of the opening, and a head of a fixing element is provided above the sleeve, and the shaft extends downward from the bottom of the head The locking part is provided with at least one resisting block on the surface of the shaft. When the fixing element performs a locking action, the resisting block rotates inside the sheet, and the release action occurs when the fixing element is subjected to vibration, shaking, etc. At this time, the resisting block of the fixing element will be resisted by the first end surface of the damping element to form resistance, and the release action can be improved by the structural design of the damping element first end surface and the resisting block of the fixing element The resistance of the fixing element further securely fixes the fixing element on the outer plate body, thereby achieving the purpose of preventing the fixing element from loosening.

The secondary object of the present invention is that when the fixing element performs a locking action, the fixing element rotates along the inner wall surface of the sheet body of the damping element, and because the second end surface of the damping element does not block the resisting block of the fixing element, Therefore, the fixing element can smoothly perform the locking action, and because the fixing element can smoothly rotate when locked, and is restricted by resistance when released, it can provide different operating feels, thereby achieving effective knowledge of The purpose of locking or releasing.

Another object of the present invention is that the damping member is movably installed in the accommodating groove of the sleeve, and the first end surface of the damping member can be elastically stretched outward so that the fixing element can be locked or released , Can be operated by freehand, so that the disassembly process can be more intuitive and fast, thereby achieving the purpose of improving the convenience of operation.

Another object of the present invention is that a side surface of the holding block of the fixing element adjacent to the first end surface is provided with a slope guiding surface, when the first end surface of the damping member is held against the slope guiding surface, it can be guided by Inclined surface to improve the smoothness of the release action in order to optimize the operation feel.

1‧‧‧Sleeve

10‧‧‧Perforation

11‧‧‧Accommodation slot

12‧‧‧Positioning Department

121‧‧‧Limit ring

2‧‧‧Damper

21‧‧‧ piece

210‧‧‧Through hole

211‧‧‧ opening

22‧‧‧First end

23‧‧‧Second end face

3‧‧‧Fixed components

31‧‧‧Head

311‧‧‧action surface

32‧‧‧Shaft

33‧‧‧locking department

331‧‧‧Male thread

34‧‧‧ block

341‧‧‧Bevel guide

4‧‧‧Board

41‧‧‧hole

5‧‧‧Board

51‧‧‧Locating hole

511‧‧‧ female thread

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 top sectional view of the present invention.

The fifth figure is a side cross-sectional view of the plate of the present invention before being combined with the plate body.

The sixth figure is a top sectional view of the fixing element of the present invention when it is locked.

The seventh figure is a side cross-sectional view of the plate of the present invention after being combined with the plate body.

Figure 8 is a top sectional view of the fixing element of the present invention before it is released.

The ninth figure is a top sectional view of the fixing element of the present invention during release.

The tenth figure is a top sectional view of the fixing element of the present invention after being released.

In order to achieve the above-mentioned objectives and effects, the technical means and structure adopted by the present invention, 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 can fully understand.

Please refer to the first, second, third, and fourth figures, which are the three-dimensional appearance view, the three-dimensional exploded view, the three-dimensional exploded view and the top cross-sectional view of the present invention. The positioning device of the invention for preventing loosening includes a sleeve 1, a damping element 2 and a fixing element 3, wherein: inside the sleeve 1 is a hollow perforation 10 penetrating therethrough, and an aperture is recessed on one side of the perforation 10 The large accommodating groove 11 is provided with a positioning portion 12 at the bottom of the sleeve 1, and a limiting ring body 121 with a larger outer diameter is protruded on the surface of the positioning portion 12.

The damping element 2 is a ring-shaped sheet body 21 installed in the accommodating groove 11 of the sleeve 1, and a through hole 210 is formed inside the sheet body 21, and is longitudinally provided on the through hole 210 side The opening 211 is provided with a first end face 22 and a second end face 23 in a front-rear position on the two sides of the opening 211. The first end face 22 is located at the front of the second end face 23.

The fixing element 3 has a round head 31 located above the sleeve 1 and is provided on the surface of the head 31 with a cross, an internal hexagonal groove, a Mi-shaped groove, a hexagonal convex column or other Various types of actuating surfaces 311, and the bottom of the head 31 extends downwards with a penetration The shaft 32 in the through hole 10 of the sleeve 1 and the through hole 210 of the sheet body 21 and the locking portion 33 below the shaft 32 are provided with external threads 331 on the surface of the locking portion 33, and then the shaft 32 On the surface and adjacent to the bottom surface of the head 31, at least one tapered resisting block 34 is protruded, and a surface of the resisting block 34 adjacent to the side of the first end surface 22 is provided with an inclined surface 341.

The above-mentioned damping element 2 is preferably surrounded by a sheet 21 made of metal, but in practical applications, it can also be formed by a sheet 21 made of plastic or other sheets 21 with elasticity.

Moreover, the diameter of the sheet body 21 of the damping element 2 is slightly larger than the diameter of the accommodating groove 11 of the sleeve 1, so that when the damping element 2 is installed in the accommodating groove 11, the outer surface of the damping element 2 can be elastically supported At the inner side of the accommodating groove 11 of the sleeve 1, thereby providing an elastic resistance, however, when the damping element 2 is installed in the accommodating groove 11, the outer side of the first end surface 22 of the damping element 2 is not The inner side of the accommodating groove 11 is in contact.

Please also refer to the fifth, sixth, seventh, eighth, ninth, and tenth figures, which are the side cross-sectional view before the board and the board of the present invention are combined, the top cross-sectional view when the fixing element is locked, and the board and the board are combined The side sectional view after, the top sectional view before the fixing element is released, the top sectional view when the fixing element is released, and the top sectional view after the fixing element is released, as can be clearly seen from the figure, the present invention is applicable to computer servo Device, telecommunication office cabinet, working machine or other equipment or device composed of a board group, a drawer, a keyboard rack and other components, the sleeve 1 is a hole that can be installed in the external plate 4 by using the positioning portion 12 41, and the stop ring 121 of the positioning portion 12 is used to stop the top surface of the hole 41 to form a positioning, and after the sleeve 1 is positioned on the outer plate 4, the hole 41 of the outer plate 4 can be paired The positioning hole 51 of the outer plate 5 is used to lock the locking portion 33 of the fixing element 3 downwardly in the positioning hole 51 of the outer plate 5 when fixed When the element 3 is locked, the head 31 of the fixing element 3 can be rotated clockwise (clockwise) with a free hand or a hand tool, so that the resisting block 34 of the fixing element 3 can enter the damper 2 pieces The through hole 210 of the body 21 rotates clockwise along the inner wall surface of the sheet body 21, and when the resisting block 34 rotates to the inner side of the first end surface 22 of the damping member 2, the first end surface 22 Support outward to make the rotating operation smooth, and after the forward rotation is repeated, the external thread 331 on the surface of the locking portion 33 and the internal thread 511 on the inner wall surface of the positioning hole 51 can be screwed together Combine with positioning to complete the locking operation.

The positioning portion 12 of the sleeve 1 is preferably installed in the hole 41 of the outer plate 4, and is blocked by the positioning ring 121 of the positioning portion 12 at the top surface of the hole 41 for a positioning, but in practical applications At the same time, it can also be combined by riveting, welding or screwing, but the sleeve 1 is combined with the outer plate 4 in many ways. Therefore, the simple modification and equivalent of the description and drawings of the present invention are used. Structural changes should be included in the patent scope of the present invention for the same reason, and Chen Ming.

After the fixing element 3 is locked and fixed on the outer plate 5, when vibration, shaking, etc. causes the fixing element 3 to release (ie, rotate counterclockwise), the resisting block 34 of the fixing element 3 will It is resisted by the first end surface 22 of the damping member 2 to form resistance, and because the damping member 2 is elastically supported against the accommodating groove 11 of the sleeve 1, elastic resistance is formed, which is also due to the damping member 2 When rotating inside the accommodating groove 11, the friction resistance between the outer side of the damping member 2 and the inner side of the accommodating groove 11 must be overcome, so that when the fixing element 3 is affected and restricted by the aforementioned resistance, elasticity and friction resistance, it is completely A loosening situation may occur, so that the fixing element 3 is firmly locked to the outer plate body 5, thereby achieving the effect of preventing loosening.

When the fixing element 3 is to be separated from the outer plate 5, it can be passed through freehand Or hand tools to reversely apply the force greater than the resistance, elasticity and frictional resistance of the damping member 2 to reverse the rotation of the head 31 of the fixing element 3 (counterclockwise) and release the fixing element 3 , So that the locking portion 33 of the fixing element 3 can be withdrawn from the positioning hole 51 of the outer plate 5, and during the withdrawal of the fixing element 3, the resisting block 34 of the fixing element 3 will be affected by the damping element 2 When the first end surface 22 resists, the first end surface 22 of the damping member 2 slides along the inclined surface 341 of the resisting block 34, so that the first end surface 22 of the damping component 2 can be oriented toward the resisting block 34 The external expansion, so that the resisting block 34 extends into the inner side of the sheet body 21 of the damping member 2 and rotates along the inner wall surface of the sheet body 21, thereby the reverse rotation can be smoothly performed, and the reverse rotation is to be repeated After the rotation action, the fixing element 3 can be completely separated from the external plate body 5 to complete the separation operation.

Furthermore, the resisting block 34 of the fixing element 3 is preferably able to extend the first end surface 22 of the damping member 2 outward so that it can extend into the inner side of the sheet body 21 of the damping member 2 and follow the sheet The inner wall surface of the body 21 rotates, thereby performing the release action of the reverse rotation, but in actual application, the resisting block 34 of the fixing element 3 can also directly perform the reverse rotation together with the damping member 2 to perform the release action, Furthermore, the fixing element 3 is separated from the outer plate 5.

The present invention has the following advantages:

(1) When the fixing element 3 is in a phenomenon of release action such as vibration, shaking, etc., the resisting block 34 of the fixing element 3 will be resisted by the first end surface 22 of the damping member 2 to form resistance, that is, by damping The structural design of the first end surface 22 of the component 2 and the resisting block 34 of the fixing element 3 enhances the resistance during the release action, so that the fixing element 3 is firmly locked to the outer plate 5, thereby preventing the fixing element 3 from loosening Off the situation.

(2) When the fixing element 3 is locked, the fixing element 3 is along The inner wall surface of the sheet body 21 of the damping member 2 rotates, and because the second end surface 23 of the damping member 2 does not block the resisting block 34 of the fixing element 3, the fixing element 3 can smoothly perform the locking action, and, because The fixing element 3 can smoothly rotate when locked, and is restricted by resistance when released, and thus can provide different operating feelings, thereby effectively knowing that the locking or releasing action is performed.

(3) The damping member 2 is movably installed in the accommodating groove 11 of the sleeve 1, and the first end surface 22 of the damping member 2 can be elastically extended outward, so that the fixing element 3 is locked or released Actions can be operated by free hand, without the need for additional hand tools, which makes the disassembly process more intuitive and fast, thereby achieving the effect of improving the convenience of operation.

(4) The side surface of the holding block 34 of the fixing element 3 adjacent to the first end surface 22 is provided with an inclined surface 341. When the first end surface 22 of the damping member 2 abuts on the inclined surface 341, its resistance The block 34 can improve the smoothness of the release action by the inclined surface 341, so as to optimize the operation feel.

The above detailed description is for the description of a preferred feasible embodiment of the present invention, but this embodiment is not intended to limit the scope of the patent application of the present invention. Any other changes and modifications made without departing from the spirit of the art disclosed by the present invention Changes should be included in the scope of patents covered by the present invention.

In summary, in the actual implementation and application of the above-mentioned anti-loose positioning device of the present invention, in order to indeed achieve its efficacy and purpose, the present invention is a research and development with excellent practicability, which is in accordance with the application requirements of the invention patent , I filed an application in accordance with the law, and I hope that the review committee will grant this case as soon as possible to protect the inventor’s hard research and development. If the review committee of the Jun Bureau has any doubts, please feel free to write to us It shows that the inventors must try their best to cooperate, really feel virtuous.

1‧‧‧Sleeve

10‧‧‧Perforation

11‧‧‧Accommodation slot

12‧‧‧Positioning Department

121‧‧‧Limit ring

2‧‧‧Damper

21‧‧‧ piece

210‧‧‧Through hole

211‧‧‧ opening

22‧‧‧First end

23‧‧‧Second end face

3‧‧‧Fixed components

31‧‧‧Head

311‧‧‧action surface

32‧‧‧Shaft

33‧‧‧locking department

331‧‧‧Male thread

Claims (7)

A positioning device for preventing loosening includes a sleeve, a damping element and a fixing element, wherein: the inside of the sleeve is provided with a hollow perforation, and a receiving groove is concavely arranged on one side of the perforation, and then on the surface of the sleeve There is a positioning part for positioning on the preset plate; the damping member is a ring-shaped sheet body installed in the accommodating groove of the sleeve, and a through hole is formed inside the sheet body, and then the through hole One side is provided with an opening in a longitudinal section, and the sheet body is provided with a first end face and a second end face in a front-rear position at the two sides of the opening. The diameter of the damper piece is larger than the diameter of the accommodating groove of the sleeve , And when the damping member is installed in the accommodating groove, the outer side of the first end surface of the damping member does not come into contact with the inner side of the accommodating groove; the fixing element has a head located above the sleeve, and A shaft extending into the through hole of the sleeve and the through hole of the sheet body extends downward from the bottom of the part, and a locking part for locking on the preset plate body is provided below the shaft, and then on the surface of the shaft At least one resisting block is provided for resisting the first end face of the damping member to increase the resistance of the release action. When the fixing element is in the locking action, the resisting block rotates inside the sheet body, and when the fixing element is in the releasing action At this time, the resisting block is resisted by the first end surface to increase the resistance of the release action. The anti-loose positioning device as described in item 1 of the patent application scope, wherein the aperture of the accommodating groove of the sleeve is larger than the aperture of the perforation. The positioning device for preventing loosening as described in item 1 of the patent application scope, wherein the positioning portion of the sleeve is provided with a limit ring body with a larger outer diameter and for positioning on the surface of the preset plate. The anti-loose positioning device as described in item 1 of the scope of the patent application, wherein the first end face of the damping member is located in front of the second end face. The anti-loose positioning device as described in item 1 of the patent scope, in which the fixing element The surface of the head is an actuating surface provided with a cross, an internal hexagonal groove, a Mi-shaped groove or a hexagonal convex column. The anti-loose positioning device as described in item 1 of the patent application scope, wherein the surface of the locking portion of the fixing element is provided with an external thread. The anti-loose positioning device as described in item 1 of the patent application scope, wherein the side surface of the holding block of the fixing element adjacent to the first end surface is provided with a sloped surface.

Images