TWI410306B - Seat structure for a magnetic sleeve - Google Patents

Abstract

A seat structure for a magnetic sleeve, which can be assembled in a sleeve having a receiving groove for engaging a magnet, and is defined with an air vent in an outer wall surface or an inner wall surface of a seat for discharging air from the receiving groove, so as to prevent the seat from being separated from the sleeve after being assembled in the sleeve due to the pushing effect of air pressure.

Description

Sleeve structure of magnetic sleeve

The invention relates to a magnetic sleeve, in particular to a sleeve structure of a magnetic sleeve.

Referring to Fig. 1, a cross-sectional plan view of the assembly of the "magnetic sleeve structure of the magnetic sleeve" of the 96212947 for the Republic of China is applied, and a magnet 12 is assembled inside the sleeve 11 to form a magnet sleeve. After the construction, the sleeve 11 is assembled in the sleeve 13, and the manufacturing tolerance between the sleeve 11 and the sleeve 13 or the magnet 12 can be accommodated by the elastoplasticity of the sleeve 11 having a multi-angled structure. The flexibility of assembly is increased, so that the conventional magnetic sleeve sleeve 11 is constructed to have the disadvantages of high manufacturing cost, high tolerance requirements, and lack of proper elastoplasticity. However, the sleeve 11 is assembled to the sleeve 13 There is still the following defect: Referring to FIG. 2, which is a cross-sectional plan view of the pre-assembly of the patent, when the sleeve 11 is assembled in the receiving groove 131 of the sleeve 13, the outer ring wall 111 of the sleeve 11 is There is no gap between the wall surface of the accommodating groove 131. Therefore, when the socket 11 is assembled into the accommodating groove 131, the accommodating groove 131 has a closed space and begins to accumulate a pressure. Once the sleeve 11 is completely inserted into the accommodating groove 131 (as shown in FIG. 1) Although the sleeve 11 can be disposed in the accommodating groove 131 in a pressing manner, the pressure accumulated in the accommodating groove 131 is relatively increased, so that once the magnetic sleeve is in use, The magnetic sleeve is vibrated by factors such as hitting a foreign object or falling, and the sleeve 11 is easily loosened from the receiving groove 131 to be separated from the sleeve 13, and finally the magnetic sleeve is lost. The function of magnetic attraction.

In addition, since there is no gap between the outer ring wall surface 111 of the sleeve 11 and the groove wall surface of the accommodating groove 131, when the sleeve 11 is assembled in the accommodating groove 131, only the permeable can be transmitted. The difference in size is achieved in combination with each other, and this is a combination of planar contact, that is, the defect that the sleeve 11 and the sleeve 13 are not sufficiently stabilized is highlighted.

Therefore, how to develop a sleeve for a magnetic sleeve which can solve the above problem is the research engine of the present invention.

The object of the present invention is to provide a sleeve structure for a magnetic sleeve, which mainly reduces the occurrence of the sleeve being separated from the sleeve after the sleeve is assembled in the sleeve.

Another object of the present invention is to provide a sleeve structure for a magnetic sleeve, which mainly enhances the stability of the sleeve and the sleeve.

In order to achieve the foregoing object, a sleeve structure of a magnetic sleeve according to the present invention is suitable for being assembled in a sleeve having a receiving groove and for embedding a magnet, the sleeve comprising a magnet for embedding the magnet. a wall surface of the inner ring, an outer ring wall surface opposite to the inner ring wall surface, a first ring end surface between the inner and outer ring wall surfaces, and a space between the inner and outer ring walls and opposite to the first a second ring end surface of the ring end surface, and an exhaust groove recessed in the outer ring wall surface and facing the wall surface of the receiving groove, the exhaust groove includes a groove head at the end surface of the first ring end.

Secondly, the present invention provides a sleeve structure of another magnetic sleeve, which can recess the exhaust groove on the inner ring wall surface, and the exhaust groove includes a grooved end end located at the end face of the first ring And a tail end of the groove at the end surface of the second ring, thereby reducing the fact that the sleeve and the sleeve are separated from each other after the sleeve is assembled in the sleeve.

With regard to the techniques, means and other effects of the present invention in order to achieve the above objects, four preferred embodiments are described in detail with reference to the drawings.

Referring to Figures 3, 4 and 5, a sleeve structure of a magnetic sleeve according to a first embodiment of the present invention is suitable for being assembled in a sleeve 20 having a receiving groove 21 and a magnet 30 for embedding. The seat 40 includes an inner ring wall surface 41 for the magnet 30 to be embedded, an outer ring wall surface 42 opposite to the inner ring wall surface 41, and a first ring end surface 43 between the inner and outer ring wall surfaces 41 and 42. a second ring end surface 44 between the inner and outer ring walls 41 and 42 and opposite to the first ring end surface 43 and a recessed surface of the outer ring wall 42 and the slot facing the receiving groove 21 An exhaust groove 45 of the 211, the exhaust groove 45 has a grooved end 451 at the first ring end surface 43 and a groove between the first and second ring end faces 43, 44 and The end 451 is adjacent to the groove end 452 of the second ring end surface 44; it should be noted that the cross-sectional dimension of the sleeve 40 may be slightly larger than the cross-sectional dimension of the accommodating groove 21, so that the sleeve 40 and the sleeve The cartridge 20 is more stable in combination.

Accordingly, in the process of assembling the sleeve 20, the design of the exhaust groove 45 can guide the gas in the receiving groove 21 of the sleeve 20 to avoid assembly of the sleeve 40. After the sleeve 20 is inside, the sleeve 20 accommodates excessive pressure in the receiving groove 21, causing the magnetic sleeve to loosen the casing 40 even if it is hit by foreign matter or falling during use. In the receiving groove 21, the magnetic sleeve loses the function of magnetism.

As for the sleeve 40 being assembled in the sleeve 20, how the exhaust groove 45 guides the gas in the sleeve 20 receiving groove 21 for the following description: Referring to FIG. 6, when When the sleeve 40 is assembled in the accommodating groove 21 of the sleeve 20, the outer ring wall surface 42 of the sleeve 40 is in an airtight state with the groove wall surface 211 of the accommodating groove 21, and the accommodating groove 21 groove wall surface 211 The partial groove segment of the exhaust groove 45 is shielded. At this time, the internal gas of the accommodating groove 21 enters the exhaust groove 45 from the groove tip end 451, and is not occupied by the accommodating groove. The groove portion of the exhaust groove 45 that is closed by the 21-slot wall surface 211 is discharged, so that the gas in the receiving groove 21 of the sleeve 20 is guided and discharged.

It should be noted that, since the outer ring wall surface 42 of the sleeve 40 is recessed with the exhaust groove 45, when the sleeve 40 is assembled in the receiving groove 21 of the sleeve 20, the exhaust groove 45 The deformation will be slightly generated, thereby generating a bite cooperation, which improves the stability of the combination of the sleeve and the sleeve.

Referring to FIG. 7 , another embodiment of the first embodiment of the present invention is shown. The sleeve 40 further includes a ring groove 46 recessed in the outer ring wall surface 42 and communicating with the exhaust groove 45 , and The ring groove 46 is provided with a C-shaped buckle 47 that abuts against the groove wall surface 211 of the accommodating groove 21, whereby the elastic restoring force accumulated by the C-shaped buckle 47 is pressed against the accommodating groove 21 The groove wall surface 211 is used to increase the bonding strength of the sleeve 40 to the sleeve 20.

Referring to FIG. 8, a sleeve structure of a magnetic sleeve provided by a second embodiment of the present invention is the same as that of the first embodiment, and therefore will not be described herein. The second embodiment is different from the first embodiment in that the exhaust groove 45 of the sleeve 40 has a groove head end 451 located at the first ring end surface 43, and further includes a second ring. The groove end 452 of the end face 44, whereby the sleeve 40 is assembled in the sleeve, regardless of the position of the sleeve 40 relative to the assembly in the receiving groove 21, the exhaust groove 45 The gas in the accommodating tank can be discharged, that is, the accommodating groove is communicated with the outside through the structural design of the venting groove 45, thereby achieving another implementable state.

Referring to Figures 9 and 10, a sleeve structure of a magnetic sleeve according to a third embodiment of the present invention is also suitable for being assembled in a sleeve 20 having a receiving groove 21 and a magnet 30 for embedding. The structure and function of the sleeve 50 are the same as those of the first embodiment, and therefore will not be described herein. The third embodiment is different from the first embodiment in that the exhaust groove 55 of the sleeve 50 has A groove end 551 located at the end face 53 of the first ring end includes a groove end 552 at the end face 54 of the second ring, whereby the sleeve 50 is assembled in the sleeve 20. The exhaust groove 55 can discharge the gas in the accommodating groove 21, that is, the accommodating groove 21 passes through the exhaust gas, regardless of the position of the ferrule 50 being assembled in the accommodating groove 21 The structure of the groove 55 is designed to communicate with the outside to achieve another implementable state.

Referring to FIG. 11 , another embodiment of the third embodiment of the present invention is shown. The sleeve 50 further includes a ring groove 56 recessed in the outer ring wall surface 52 and communicating with the exhaust groove 55 , and The ring groove 56 is provided with a C-shaped buckle 57 that abuts against the groove wall surface 211 of the accommodating groove 21, whereby the elastic restoring force accumulated by the C-shaped buckle 57 is pressed against the accommodating groove 21 The groove wall surface 21 is used to increase the bonding strength of the sleeve 50 to the sleeve 20.

Referring to FIG. 12, a further embodiment of the third embodiment of the present invention is shown. The sleeve 50 further includes a plurality of deformation grooves 58 recessed in the outer ring wall surface 52 and communicating with the exhaust groove 55. Therefore, when the sleeve 50 is assembled in the receiving groove of the sleeve, the deformation groove 58 is slightly deformed, and the occlusion is increased, in addition to the deformation of the exhaust groove 55, which causes a slight deformation. The generation of the action can further improve the stability of the combination of the sleeve and the sleeve.

Referring to Figures 13 and 14, a sleeve structure of a magnetic sleeve according to a fourth embodiment of the present invention is also suitable for being assembled in the receiving groove 21 of the sleeve 20 and the magnet 30 is embedded, and The structure and function of the sleeve 60 are the same as those of the first embodiment, and the purpose of reducing the mutual disengagement between the sleeve 60 and the sleeve 20 after the sleeve 60 is assembled in the sleeve 20 is achieved. The fourth embodiment is different from the first embodiment in that the inner ring wall surface 62 is recessed with a plurality of exhaust grooves 65 facing the outer peripheral surface of the magnet 30, and the exhaust gas is exhausted. The groove 65 includes a grooved end 651 at the first ring end face 63 and a grooved end 652 at the second ring end face 64 to achieve another implementable state.

In the above, the above embodiments and the illustrations are only the preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, that is, the equal variations and modifications made by the scope of the present invention. It should be within the scope of the patent of the present invention.

"Use"

11. . . Socket

111. . . Outer ring wall

12. . . magnet

13. . . Sleeve

131. . . Locating slot

"this invention"

20. . . Sleeve

twenty one. . . Locating slot

211. . . Slot wall

30. . . magnet

40, 50, 60. . . Socket

41, 62. . . Inner ring wall

42, 52. . . Outer ring wall

43, 53, 63. . . First ring end face

44, 54, 64. . . Second ring end face

45, 55, 65. . . Exhaust groove

451, 551, 651. . . Groove head

452, 552, 652. . . Groove end

46, 56. . . Ring groove

47, 57C. . . Buckle

58. . . Deformation groove

Fig. 1 is a cross-sectional plan view showing the assembly of the "magnetic sleeve structure of the magnetic sleeve" of the Republic of China application No. 96212947.

Fig. 2 is a cross-sectional plan view showing the assembly of the "magnetic sleeve structure of the magnetic sleeve" of the Republic of China application No. 96212947.

Figure 3 is a perspective view of a first embodiment of the present invention.

Fig. 4 is a cross-sectional view showing the first embodiment of the present invention, showing a state in which the present invention is separated from the sleeve and the magnet.

Fig. 5 is a front elevational view showing the first embodiment of the present invention, showing a state in which the present invention is combined with a sleeve and a magnet.

Figure 6 is a front elevational view of the first embodiment of the present invention showing the state of the present invention before being combined with the sleeve and the magnet.

Figure 7 is a front elevational view of another preferred embodiment of the first embodiment of the present invention.

Figure 8 is a perspective view of a second embodiment of the present invention.

Figure 9 is a perspective view of a third embodiment of the present invention.

Fig. 10 is a front elevational view showing a third embodiment of the present invention, showing a state in which the present invention is combined with a sleeve and a magnet.

Figure 11 is a front elevational view of another preferred embodiment of the third embodiment of the present invention.

Figure 12 is a perspective view showing still another preferred embodiment of the third embodiment of the present invention.

Figure 13 is a perspective view of a fourth embodiment of the present invention.

Figure 14 is a cross-sectional view showing a fourth embodiment of the present invention, showing a state in which the present invention is combined with a sleeve and a magnet.

40. . . Socket

41. . . Inner ring wall

42. . . Outer ring wall

43. . . First ring end face

44. . . Second ring end face

45. . . Exhaust groove

451. . . Groove head

452. . . Groove end

Claims (7)

A sleeve structure for a magnetic sleeve, which is suitable for being assembled in a sleeve having a receiving groove and a magnet for embedding, the sleeve comprising an inner ring wall surface for the magnet to be embedded, and a wall surface opposite to the inner ring An outer ring wall surface, a first ring end surface between the inner and outer ring wall surfaces, a second ring end surface between the inner and outer ring wall surfaces and opposite to the first ring end surface, and a recess The outer ring wall surface and the notch face the exhaust groove of the wall surface of the receiving groove, and the exhaust groove includes a groove head end located at the end surface of the first ring. The sleeve structure of the magnetic sleeve of claim 1, wherein the exhaust groove further comprises a second ring between the first and second ring end faces and closer to the second ring than the groove end end. The end of the groove on the end face. The sleeve structure of the magnetic sleeve according to the second aspect of the invention, wherein the sleeve further comprises a ring groove recessed in the outer ring wall and communicating with the exhaust groove, and the ring groove is provided There is a C-shaped buckle that abuts against the wall surface of the accommodating groove. The sleeve structure of the magnetic sleeve of claim 1, wherein the exhaust groove further comprises a groove end at the end face of the second ring. The sleeve structure of the magnetic sleeve of claim 4, wherein the sleeve further comprises a ring groove recessed in the outer ring wall and communicating with the exhaust groove, and the ring groove is provided There is a C-shaped buckle that abuts against the wall surface of the accommodating groove. The sleeve structure of the magnetic sleeve according to claim 4, wherein the sleeve further comprises a deformation groove recessed in the outer ring wall and communicating with the exhaust groove. The sleeve structure of the magnetic sleeve is adapted to be assembled in the sleeve and the magnet is embedded. The sleeve comprises an inner ring wall surface for the magnet to be embedded, and an outer ring wall surface opposite to the inner ring wall surface, a first ring end surface between the inner and outer ring walls, a second ring end surface between the inner and outer ring walls and opposite to the first ring end surface, and a groove recessed in the inner ring wall surface The opening faces the exhaust groove of the outer peripheral surface of the magnet, and the exhaust groove includes a grooved end end of the first ring end surface and a groove end end of the second ring end surface.