TW201340912A - Hinge with positioning function - Google Patents

Abstract

The present invention provides a hinge with positioning function, which comprises a first blade, a second blade, a cover, a locking member, and a spring. One end of the first blade has a first pivot. The inner edge of the first pivot is surroundingly configured with a first position limiting gear. One end of the second blade has a second pivot. One end of the locking member is surroundingly configured with a second position limiting gear. The first pivot and the second pivot are pivoted with each other. The locking member and the spring are installed between the first pivot and the second pivot. The present invention employs the selective engagement of the second position limiting gear of the locking member and the first position limiting tooth to achieve the function of unidirectional or bidirectional pivoting between the first blade and the second blade.

Description

Hinge with positioning function

The present invention primarily discloses a hinge, and more particularly a hinge having a positioning function that is selectively unidirectionally pivotable or bi-directionally pivoted.

At present, a conventional folding crib, such as the Chinese Patent Publication No. 85183 "Structure of a foldable crib", is provided with a hinge on the folded face pillar, so that the pillar has the function of opening and folding.

The folding crib is provided with a conventional hinge device on the folding surface. However, the folding crib has the disadvantage that when the crib is in the unfolded state, the hinge device does not have any safety device for the card fixing position, and only relies on The abutment of the inner bed of the crib is such that the folded surface does not fold relative to each other.

If the infant pulls the guardrail of the folding surface, although the bed board is still abutted and not relatively folded, it may cause slight gaps between the folding place or the guardrail and the bed board, which may easily pinch the infant.

Moreover, the long-term use of the folding crib may result in a loose structure. In this case, if the guardrail of the folding surface has no safety device, it will not only cause pinching of the infant, but even when the adult folds the crib. It may also be inadvertently pinched.

In view of the development of the folding crib, the hinges used therein have no positioning function or safety device. In order to solve the above problems, the inventors have devised to design a hinge with positioning function capable of overcoming the problems of the prior art, and it is expected that Improve the safety of hinges when used in a variety of items.

In order to solve the various accidental disadvantages caused by the conventional hinge without any positioning function or safety device, the hinge having the positioning function of the present invention comprises a first blade, a second blade, a cover body, a latching member and a spring, one end of the first blade has a first pivot shaft, the first pivot inner edge is provided with a first limiting tooth, and one end of the second blade has a second pivot shaft, and one end of the clamping member is provided with a ring a second limiting tooth, the first pivot and the second pivot are pivotally connected to each other, and the latching member and the spring are disposed in the receiving space of the first pivot and the second pivot, and the second of the latching member is used The limit tooth selectively intermeshes with the first limit tooth to achieve a one-way or two-way pivoting function between the first blade and the second blade.

The main feature of the present invention is that the latch member can be switched between the first position and the second position, and the second limiting tooth of the latch member and the first limiting tooth of the first blade are in mesh with each other, the card The first blade and the second blade abut each other, and the first blade and the first blade are matched by the one-way tooth between the first limiting tooth and the second limiting tooth The two blades can only pivot in one direction, so that the hinge with the positioning function of the invention is in the unfolded state and cannot be changed to the folded state; pressing the cover causes the top hook to push the convex portion, so that the clamping member is opposite to the first a first ring groove of the pivot shaft and a second ring groove of the second pivot shaft are axially moved, the first limiting tooth is separated from the second limiting tooth, and the latching member is located at the second position, the first pivot The shaft is not engaged by the latching member, so that the first vane and the second vane can pivot in both directions, selectively unfolding or folding relative to each other.

A secondary feature of the present invention is that when the latching member is in the second position and the cover body is not pressed by an external force, the spring is compressed and elastically pushed against the latching member, so that the latching member is opposite to the first pivotal shaft The first ring groove and the second ring groove of the second pivot shaft move axially, and the first limiting tooth meshes with the second limiting tooth to automatically change the latching member from the second position to the first position.

The technology, means and functions of the present invention are described in detail with reference to the accompanying drawings.

1 and 3 are a perspective view, an exploded perspective view and a cross-sectional view of a hinge having a positioning function according to the present invention. The hinge 1 having a positioning function of the present invention includes a first blade 10 and a second blade 20, a cover body 30, a latching member 40 and a spring 50. The first blade 10 and the second blade 20 are pivotally connected to each other. The cover 30 is received in the first blade 10 and is opposite to the first blade 10. In the axial direction, the latching member 40 and the spring 50 are received between the first blade 10 and the second blade 20, and the two ends of the latching member 40 respectively abut the cover 30 and the spring 50 and are selected The first vane 10 is in abutment with the first vane 10, and the two ends of the spring 50 abut against the latching member 40 and the second vane 20, respectively.

The latching member 40 is switchable between the first position and the second position. When the latching member 40 is in the first position, the latching member 40 and the first blade 10 are mutually engaged to provide the first a function of one-way pivoting between the blade 10 and the second blade 20; when the latching member 40 is in the second position, the latching member 40 is disengaged from the first blade 10, and the first blade 10 is provided The function of two-way pivoting between the two blades 20.

The first blade 10 includes a first joint portion 11 and a first pivot shaft 12 respectively located at different ends of the first blade 10, and the first joint portion 11 has a first joint groove 111, the first The coupling groove 111 is provided with a screw hole P (see FIG. 8). The first blade 10 has an L-shaped opening 112 at one end of the first pivot shaft 12, and the opening 112 communicates with the first coupling groove 111. One end of the first pivot shaft 12 is axially disposed with a cover groove 121. The bottom surface of the cover groove 121 is axially surrounded by a plurality of latching holes 122. The cover groove 121 is axially disposed through a shaft hole 123. The shaft hole 123 communicates with the cover groove 121. The shaft hole 123 is provided with a groove 129 at one end thereof. The groove 129 is in communication with the shaft hole 123 and can accommodate A bolt head 61 has a bolt head 61. The first pivot shaft 12 is opposite to the one surface of the cap groove 121 and is provided with a plurality of first limiting teeth 124. The first limiting teeth 124 are one-way teeth and face the same. The outer periphery of the first pivot 12 is tangentially tangential, and a first annular groove 127 is formed between the outer side wall surface of the axial hole 123 and an inner side wall surface 126 of the first pivot 12. The first pivot 12 is opposite to the first pivot 12 One end of the cover groove 121 is provided with an opening 128. The opening 128 communicates with the first ring groove 127, and the opening 128 corresponds to the second blade 20.

The second blade 20 is provided with a second pivot 22 opposite to the first end of the first blade 10, and the second pivot 22 has a second annular groove 23 therein. The second annular groove 23 axially protrudes from a cylindrical portion 24. The cylindrical portion 24 is exposed to protrude from the second pivot 22, and the cylindrical portion 24 is axially disposed through a through hole 25. The end surface of the cylindrical portion 24 is provided with an opening 28, and the opening 28 communicates with the through hole 25. The inner wall of the through hole 25 is provided with an internal thread 26, and the inner wall surface of the second annular groove 23 is provided with a plurality of third limiting teeth 27, and the first pivot 12 is pivotally connected to the second pivot 22, and The shaft hole 123 communicates with the through hole 25, the shaft hole 123 and the through hole 25 pass the bolt 60, and the bolt 60 is provided with an external thread 62 and the internal thread 26 of the through hole 25 is screwed tightly. The first pivot 12 and the second pivot 22 are pivotally connected to each other.

The second blade 20 includes a second joint portion 21 having a second joint groove 211 (see FIG. 7). The second joint groove 211 is provided with a screw hole P. The coupling portion 21 has an L-shaped opening 212 opposite to the end of the second pivot 22, and the opening 212 communicates with the second coupling groove 211.

The outer peripheral edge of the cover body 30 is axially extended to form a plurality of extending portions 31. One end of the extending portion 31 is provided with a plurality of top hooks 32. The extending portion 31 is disposed in the latching hole 122, so that the top hook 32 is hooked. The cover cover 121 is opposite to the one surface of the cover 30, so that the cover 30 is positioned on the cover groove 121 and cannot be disengaged and can move axially relative to the cover groove 121.

The latching member 40 is received in the first ring groove 127 of the first pivot 12 and the second ring groove 23 of the second pivot 22, and the outer peripheral edge of one end face of the latching member 40 is provided with a plurality of second limits. The second limiting tooth 42 is a one-way tooth and is yaw toward the outer circumference of the latching member 40. The second limiting tooth 42 and the first limiting tooth 124 and the third limit respectively The teeth 27 are engaged with each other to achieve a one-way pivoting position when the first blade 10 and the second blade 20 are pivoted. The latching member 40 is axially provided with a through hole 41 for the bolt 60. And the plurality of convex portions 43 are disposed on the inner side surface of the second limiting tooth 42 , and the convex portion 43 can respectively abut against the top hook 32 , and the convex portion 43 extends from the inner side of the end surface A stop portion 44 is formed.

The spring 50 is received in the second pivot 22 and the latching member 40, and one end of the spring 50 abuts against the stopping portion 44. The spring 50 is opposite to the end of the locking portion 44. Positioned in the second ring groove 23, so when the first pivot 12, the second pivot 22, the latching member 40 and the spring 50 are coupled, since the spring 50 is received in the second pivot 22 and the latching member 40, the spring 50 is compressed and continuously elastically pushed against the latching member 40, so that the second limiting tooth 42 on the latching member 40 and the first limiting position of the first blade 10 are The teeth 124 normally mesh with each other.

The second limiting tooth 42 of the latching member 40 and the first limiting tooth 124 of the first blade 10 are engaged with each other. The latching member 40 is located at the first position, and the first blade 10 and the second blade 20 are mutually Abutting, by the cooperation of the one-way teeth between the first limiting tooth 124 and the second limiting tooth 42, the first blade 10 and the second blade 20 can only pivot in one direction, so that the present invention has The hinge 1 of the positioning function is in an unfolded state and cannot be changed to a folded state, and the first blade 10 and the second blade 20 are expanded at an angle of at most 180 degrees.

Please refer to FIG. 4 and FIG. 5 at the same time, which is a cross-sectional view and an operation diagram of a hinge having a positioning function according to the present invention. Pressing the cover 30 to press the top hook 32 against the convex portion 43 to axially the first ring groove 127 of the first pivot 12 and the second ring groove 23 of the second pivot 22 Moving, the first limiting tooth 124 is separated from the second limiting tooth 42. The clamping member 40 is in the second position, and the first pivot 12 is not engaged by the latching member 40, so the first blade 10 The second vanes 20 are pivotable in both directions and are selectively deployed or folded relative to each other.

Please refer to FIG. 6 to FIG. 10 , which are cross-sectional views and motion diagrams of the hinge with positioning function according to the present invention. Referring to FIG. 2 simultaneously, when the latching member 40 is in the second position and the cover body 30 is not pressed by an external force, the spring 50 is compressed and elastically pushed against the latching member 40, so the latching member 40 is opposite to the latching member 40. The first ring groove 127 of the first pivot shaft 12 and the second ring groove 23 of the second pivot shaft 22 move axially, and the first limiting tooth 124 meshes with the second limiting tooth 42 to make the latching member 40 Automatically changing from the second position to the first position, the first limiting tooth 124 and the second limiting tooth 42 are in mesh with each other, and the hinge 1 having the positioning function of the present invention is in a folded state, by the first limit The cooperation of the one-way teeth between the teeth 124 and the second limiting teeth 42 enables the first blade 10 and the second blade 20 to pivot only in one direction, so that the hinge 1 having the positioning function of the present invention is changed from the folding state To the expanded state.

Please refer to FIG. 11 and FIG. 12 for a schematic view of the use of the hinge with the positioning function in the crib. Referring to FIG. 2, FIG. 7 and FIG. 8 simultaneously, the first coupling groove 111 of the first blade 10 is sleeved on the fence of the folding surface of the folding crib B through the L-shaped opening 112, and is passed through the screw hole P. A joint portion 11 is screwed to the fence of the crib B. The second coupling groove 211 of the second blade 20 is sleeved on the fence of the folded surface of the folding crib B through the L-shaped opening 212, and the second joint portion 21 is screwed with the fence of the crib B through the screw hole P.

When the hinge 1 is in the deployed state and fully deployed 180 degrees, the first blade 10 and the second blade 20 are aligned in a line to form a fully deployed folded crib B. When the hinge 1 is completely in the folded state, the hinge 1 coupled to the folded surface of the crib B can drive the fence of the folded surface of the crib B, so that the fence of the folded surface is folded inward, that is, the space saving effect is achieved. When the cover 30 is not pressed by the external force, the latch 40 is automatically changed from the second position to the first position, and the hinge 1 is in the unfolded state and cannot be changed to the folded state, thereby effectively preventing the folded crib B in the unfolded state. A pinch is caused when the folding surface of the folding crib B is inadvertently pushed and pulled.

In summary, the hinge with positioning function of the present invention has the following advantages:

1. The latch member is switchable between a first position and a second position, and the second limit tooth of the latch member and the first limit tooth of the first blade are in mesh with each other, and the latch member is located at the In a position, the first blade and the second blade abut each other, and the first blade and the second blade can only be matched by the cooperation of the one-way tooth between the first limiting tooth and the second limiting tooth One-way pivoting, so that the hinge with the positioning function of the present invention is in the unfolded state and cannot be changed to the folded state; pressing the cover body causes the top hook to push the convex portion, so that the latching member is opposite to the first pivot The first ring groove and the second ring groove of the second pivot shaft are axially moved, the first limiting tooth is separated from the second limiting tooth, the clamping member is located at the second position, and the first pivot is not subjected to the card The engagement of the jaws allows the first blade and the second blade to pivot in both directions, selectively unfolding or folding relative to one another.

2. when the latching member is in the second position, and the cover body is not pressed by an external force, the spring is compressed and elastically pushed against the latching member, so the first ring groove of the latching member relative to the first pivot shaft And the second ring groove of the second pivot shaft moves axially, and the first limiting tooth meshes with the second limiting tooth to automatically change the latching member from the second position to the first position.

1. . . Hinge

10. . . First blade

11. . . First joint

111. . . First coupling slot

12. . . Opening

12. . . First pivot

121. . . Cover groove

122. . . Card hole

123. . . Shaft hole

124. . . First limit tooth

125. . . Outer wall surface

126. . . Inner wall surface

127. . . First ring groove

128. . . Opening

129. . . Groove

20. . . Second blade

twenty one. . . Second joint

211. . . Second coupling slot

212. . . Opening

twenty two. . . Second pivot

twenty three. . . Second ring groove

twenty four. . . Cylindrical part

25. . . Through hole

26. . . internal thread

27. . . Third limit tooth

28. . . Opening

30. . . Cover

31. . . Extension

32. . . Top hook

40. . . Card assembly

41. . . perforation

42. . . Second limit tooth

43. . . Convex

44. . . Stop

50. . . spring

60. . . bolt

61. . . Bolt head

62. . . External thread

P. . . Screw hole

B. . . Baby cot

Figure 1 is a perspective view of the hinge of the present invention having a positioning function.

Figure 2 is an exploded perspective view of the hinge with positioning function of the present invention.

Figure 3: A cross-sectional view taken along line 3-3 of Figure 1.

Fig. 4 is a continuation of Fig. 3, showing that the cover body is pressed by the external force and moves axially relative to the first blade, and the latch member is changed from the first position to the second position.

Figure 5 is a partial cross-sectional view of the hinge having the positioning function of the present invention, showing the card member in the second position.

Figure 6 is a schematic view of the hinge with the positioning function of the present invention in a folded state.

Figure 7: A cross-sectional view taken along line 7-7 of Figure 6.

Figure 8: A cross-sectional view taken along line 8-8 of Figure 6.

Figure 9: is a partial cross-sectional view of Figure 6.

Fig. 10 is a schematic view showing the action of changing the hinge of the positioning function to the unfolded state of the hinge function of the present invention.

Figure 11 is a schematic view showing the hinge with the positioning function of the present invention installed in the unfolded state of the crib.

Figure 12: Schematic diagram of the hinge with the positioning function of the present invention installed on the crib in a folded state.

1. . . Hinge

10. . . First blade

11. . . First joint

111. . . First coupling slot

112. . . Opening

12. . . First pivot

121. . . Cover groove

122. . . Card hole

123. . . Shaft hole

124. . . First limit tooth

125. . . Outer wall surface

126. . . Inner wall surface

127. . . First ring groove

128. . . Opening

129. . . Groove

20. . . Second blade

twenty one. . . Second joint

twenty two. . . Second pivot

twenty three. . . Second ring groove

twenty four. . . Cylindrical part

27. . . Third limit tooth

28. . . Opening

30. . . Cover

31. . . Extension

32. . . Top hook

40. . . Card assembly

41. . . perforation

42. . . Second limit tooth

43. . . Convex

50. . . spring

60. . . bolt

61. . . Bolt head

62. . . External thread

P. . . Screw hole

Claims (10)

A hinge having a positioning function, comprising: a first blade, the first blade is provided with a first pivot at one end, and the inner wall ring of one end of the first pivot is provided with a plurality of first limiting teeth; a second blade having a second pivot at one end, the second pivot axially protruding a cylindrical portion, the first pivot and the second pivot pivoting to each other, so that the hinge can be deployed Between the folding state and the folding state; a latching member axially movably received between the first pivot and the second pivot, the outer peripheral edge of the latching member is provided with a plurality of second limits The teeth and the first limiting teeth are selectively engaged with each other; and a spring, the two ends of the spring abut against the clamping member and the second pivot respectively, the clamping member and the spring are sleeved on the cylinder Wherein the first limiting tooth and the second limiting tooth are one-way teeth, and the latching member is switchable between the first position and the second position; the latching member is located at the first position, The second limiting tooth of the clamping member and the first limiting tooth of the first blade are in mesh with each other, wherein the first limiting tooth and the Cooperating with the one-way tooth between the second limiting teeth, the first blade and the second blade can only pivot in one direction, so that the hinge is in an unfolded state and cannot be changed to a folded state; the clamping member is in the second position The latch member moves axially relative to the first pivot axis and the second pivot shaft, the first limit tooth is separated from the second limit tooth, and the first blade and the second blade can pivot in both directions The hinge can be selectively in an unfolded state or a collapsed state. The hinge having a positioning function according to claim 1, further comprising a cover body, the outer peripheral edge of the cover body extending axially to form a plurality of extending portions, and one end of the extending portion is provided with a plurality of top hooks, the first pivot One of the end faces of the shaft is axially provided with a cover groove, and the bottom surface of the cover groove is provided with a plurality of latching holes, the extending portion is disposed through the latching hole, and the top hook hooks the hooking groove to the opposite side a side of the cover body, and the top hook hooks against the latching member, the cover body is positioned in the cover cover slot and is axially movable relative to the cover cover slot and pushes against the latching member relative to the first pivot The shaft moves axially with the second pivot. The hinge having a positioning function according to claim 2, wherein the cover groove axially passes through a shaft hole, the shaft hole communicates with the cover groove, and the latch member axially passes through a through hole, the cylindrical portion shaft a through hole is formed, the inner wall of the through hole is provided with an internal thread, the through hole and the through hole are provided with a bolt, and the bolt is provided with an external thread and a screw thread of the through hole is tightly fixed. The first pivot and the second pivot are pivotally connected to each other. A hinge having a positioning function according to claim 3, wherein one end of the shaft hole is provided with a groove communicating with the shaft hole and capable of accommodating a bolt head of the bolt. The hinge having a positioning function according to claim 2, wherein a first annular groove is formed between the outer side wall surface of the shaft hole and an inner side wall surface of the first pivot, and the second pivot has a second annular groove. The latching member receives the first annular groove of the first pivot and the second annular groove of the second pivot. The hinge having a positioning function according to claim 5, wherein the latching member is provided with a plurality of convex portions on the inner side wall surface ring of the second limiting tooth, and the convex portion is selectively hooked to the top of the cover body. . The hinge having a positioning function according to claim 6, wherein the convex portion extends from the inner side of the end surface to form a stop portion, one end of the spring abuts against the stop portion, and the spring is opposite to the top portion against the stop portion. One end is received in the second ring groove, and the spring is compressed to elastically push against the latching member, so that the second limiting tooth and the first limiting tooth normally mesh with each other. The hinge having a positioning function according to claim 1, wherein the first limiting tooth is a one-way tooth and is yaw toward a tangential direction of the outer periphery of the first pivot, the second limiting tooth being a one-way tooth and facing The outer circumference of the clip is tangentially tangential. The hinge having a positioning function according to claim 1, wherein the first blade and the second blade further comprise a first joint portion and a second joint portion, wherein the first joint portion and the second joint portion are respectively provided There is a first coupling groove and a second coupling groove, and the first coupling groove and the second coupling groove are respectively provided with a screw hole. The hinge having a positioning function according to claim 1 is in an unfolded state, and the first blade and the second blade are expanded at an angle of at most 180 degrees; the first blade and the second blade are respectively assembled on the folding crib a fence of the folded surface; when the hinge is in an unfolded state and fully expanded by 180 degrees, the first blade and the second blade are arranged in line to form a fully deployed folding crib; when the hinge is completely in a folded state, The hinge coupled to the folding surface of the crib drives the fence of the folding surface of the crib to fold the fence of the folding surface inward; the cover is not pressed by the external force, and the locking member is changed from the second position to the first position, the hinge It is in the expanded state and cannot be changed to the collapsed state.