TWI752880B - folding lock - Google Patents

Abstract

The present invention provides a folding lock, which is mainly provided with a folding plate group, a lock seat, a fixed sleeve, a lock core seat, a lock core, a connecting swivel seat, a lock column and a fixed collar and other components The fixed foldable sheet of the foldable sheet set is provided with a connection seat, the lock seat is arranged on the inner side of the connection seat, the wall surface of the lock seat is provided with an insertion slot, and the lock seat is additionally provided with an insertion stop The inner wall surface of the insertion hole of the lock seat is relatively protruded with an inlay, the fixing sleeve is passed through the through hole of the connection seat, and is arranged in the accommodating groove of the lock seat, the lock The core seat is set in the accommodating chamber of the fixing sleeve, the lock core is set in the accommodating chamber of the lock core seat, the connecting swivel base is assembled on the lock core seat, the lock core seat and the connecting swivel base There is a torsion spring in between, one end of the lock column is assembled on the connecting swivel, the other end of the lock column is provided with an insert groove, and the other end of the lock column is oppositely provided with a cut surface on the wall. , a compression spring is sleeved on the connecting swivel base and the lock post, and the fixing collar is set in the accommodating chamber of the fixing sleeve, so that an inlay is arranged on the wall surface of the insertion hole of the lock seat It is embedded in the slot of the lock post to prevent thieves from propping up the slot of the lock base to achieve the best anti-theft effect of the lock.

Description

folding lock

The present invention relates to a folding lock, in particular to a clasp that can further extend the lock post, which can prevent thieves from propping up the insertion groove of the lock base, so as to achieve the best anti-theft effect of the clasp.

Presses are generally used to fix items in one position to prevent items (such as bicycles) from being stolen. The most common are cable locks, U-shaped locks and folding locks, although the types of locks used to lock items There are many, but the folding lock is the most convenient, mainly because the cable lock and U-shaped lock are large in size, heavy in weight, and take up a lot of space when storing, while the folding lock can be folded. The rear volume takes up less space, and most of the general folding locks are provided with an insertion slot on the lock seat for the end of the folding piece to be inserted, and the lock cylinder interlocks the lock post to penetrate into the folding piece. However, conventional folding lock thieves can easily use a tool to open it from the insertion slot of the lock base, so that the lock post is separated from the insertion hole of the folding piece, and the locking effect is lost. , so the anti-theft effect is still not ideal.

The main purpose of the present invention is to provide a folding lock that can effectively solve the shortcomings of the conventional folding locks.

The folding lock of the present invention is mainly provided with: a folding piece group, which is composed of a fixed folding piece, a movable folding piece, several intermediate folding pieces and several rivets, the fixed folding piece and the movable folding piece and the number of The middle folded pieces are formed by the rivets one by one riveting pivots, the fixed folded piece and the movable folded piece are respectively pivoted on the two outer sides of the middle folded pieces, and a connection is fixed on the fixed folded piece a seat, the connecting seat is provided with a through hole, the outer end of the movable folding piece is set as a plug portion, and the plug portion is provided with a plug hole; A lock seat is arranged on the inner side of the connecting seat on the fixed and folded sheet, one end of the lock seat is provided with a receiving groove, and a wall surface of the lock seat is provided with a retaining groove, and the receiving groove is communicated with the retaining seat A slot, the other end of the lock seat is provided with an insertion hole, the insertion hole of the lock seat passes through the insertion slot, the inner wall surface of the insertion hole is relatively convex with an inlay; a fixing sleeve is fastened through It is arranged in the through hole of the connecting seat on the fixed and folded sheet, and is arranged in the accommodating groove of the lock seat. One end of the fixing sleeve is provided with a flange on the outer wall surface, and an accommodating chamber is arranged in the fixing sleeve. , the outer end of the accommodating chamber of the fixed sleeve is provided with a ring groove, the wall surface of the accommodating chamber of the fixed sleeve is provided with a sliding groove in the axial direction, and an arc-shaped positioning insert groove in the vertical direction. The other end is provided with a through hole communicating with the accommodating chamber; a lock core seat is set in the accommodating chamber of the fixing sleeve, one end of the lock core seat is provided with a accommodating chamber, and the inner wall surface of the accommodating chamber of the lock core seat is provided with There is a positioning slot, the other end of the lock core seat is provided with a through hole passing through the chamber, and the outer wall of the lock core seat is provided with a positioning protrusion provided in the chute of the fixing sleeve. The wall surface of the core seat is provided with a steel ball hole which is connected to the through hole of the lock core seat, a positioning steel ball is arranged in the steel ball hole, and a fixed socket is arranged on the other end surface of the lock core seat; In the accommodating chamber of the lock core seat, one end of the lock core is provided with a key hole, the other end of the lock core is provided with a lock rod, the lock rod is provided with a slot, and the wall surface of the lock core is provided with a hole for embedding A locking rod in the positioning groove of the lock core seat; a connecting swivel base is assembled on the lock core seat, one end of the connecting swivel base is provided with a convex column, and the convex column of the connecting swivel base is connected through Set in the through hole of the lock core seat, there is a lock rod hole for the lock rod of the lock core to pass through in the convex column of the connecting swivel base, and a groove is formed on the convex column of the connecting swivel base. The other end of the seat is provided with a connecting convex body, the connecting convex body is provided with a through hole, the wall surface of the connecting swivel is provided with a first pin hole, the first pin hole is provided with a first fixing pin, the first fixing pin and inserted into the groove of the lock rod of the lock core, a second pin hole is arranged on the wall surface of the connection convex body, a second fixing pin is arranged in the second pin hole, and the end surface of the connection swivel is arranged There is a fixed socket, a torsion spring is fixed on the connecting swivel base and the lock core seat One end of the torsion spring is embedded in the fixed socket of the connecting swivel base, and the other end of the torsion spring is embedded in the fixed socket of the lock seat; a lock post is set in the On the connecting swivel, one end of the locking post is provided with a protruding post, the protruding post of the locking post is set in the through hole of the connecting swivel, and the protruding post of the locking post is provided with a second for the connecting swivel The pin hole in which the fixing pin is inserted, the lock column is provided with a blocking edge, the other end of the lock column is provided with an insert groove, and the wall surface of the other end of the lock column corresponds to the hole in the insertion hole of the lock seat. The inlay is provided with a tangential surface opposite, a compression spring is sleeved on the connecting swivel seat and the lock post; a fixing collar is set in the accommodating chamber of the fixing sleeve, and the wall surface of the fixing collar is provided with There is a C-shaped retaining ring, and the C-shaped retaining ring is embedded in the ring groove of the fixing sleeve.

The folding lock of the present invention, wherein, the outer end of the through hole of the connecting seat of the folding plate group is provided with a baffle, the flange of the fixing sleeve is for the baffle of the connecting seat to block and locate, and the lock seat is The wall surface of the accommodating groove is provided with a helical flange, and the outer wall of the fixing sleeve is provided with a helical insert groove for fitting with the helical flange of the lock seat.

In the folding lock of the present invention, at least one pin hole is provided on the wall surface of one end of the lock core seat, a fixing pin is arranged in the pin hole, and an anti-drilling component is attached to the lock core seat, the anti-drilling The component is provided with a convex body, the convex body of the anti-drilling component is set in the chamber of the lock core seat, the convex body of the anti-drilling component is provided with a ring groove for the fixing pin of the lock core seat to be inserted, the anti-drilling component is provided with a ring groove. There is a key perforation on the part.

The advantages of the folding lock of the present invention lie in that the lock post can be further embedded to prevent thieves from opening the insertion groove of the lock seat, and the lock core structure has anti-drilling effect, which can achieve the best anti-theft effect.

1: Folding sheet set

10: Fixed folding sheet

11: Active Folding Sheet

110: Insertion Department

111: Insert hole

12: Middle folded sheet

13: Rivets

14: Connector

140: Through hole

141: Fence

2: lock seat

20: accommodating slot

21: Spiral Flange

22: Socket slot

23: Insert hole

24: Inlay

3: Fixed sleeve

30: Flange

31: Spiral insert groove

32: Room

33: Ring groove

34: Chute

35: Positioning groove

36: Perforation

4: Lock seat

40: Room

41: Positioning slot

42: Perforation

43: Positioning the convex body

44: Steel ball hole

45: Positioning steel balls

46: pin hole

47: Fixed pin

48: Fixed jack

5: lock heart

50: keyhole

51: Lock lever

52: Grooving

53: Card lever

6: Connect the transposition

60: convex column

61: Lock lever hole

62: missing slot

63: Connect the convex body

64: perforated

65: The first pin hole

650: First fixing pin

66: Second pin hole

660:Second fixed pin

67: Fixed jack

68: Torsion spring

7: Lock post

70: Column

71: pin hole

72: Fence

73: Groove

74: Sliced

75: Compression spring

8: Anti-drilling parts

80: convex body

81: Ring groove

82: Key Perforation

9: Fixed collar

90: C-type buckle

A: key

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

The second figure is a three-dimensional combined view of an embodiment of the present invention.

Figure 3 shows a combined cross-sectional view of an embodiment of the present invention.

The fourth figure is a schematic plan view of the end of the lock post and the locking seat of the embodiment of the present invention.

Fig. 5 is a schematic cross-sectional view of the positioning steel ball clasp positioning according to the embodiment of the present invention.

The sixth figure is a schematic diagram of unlocking the lock core by turning the key according to the embodiment of the present invention.

Figure 7 is a schematic plan view of the unlocking of the end of the lock post and the lock seat according to the embodiment of the present invention.

Figure 8 is a schematic cross-sectional view of the positioning steel ball unbuckling according to the embodiment of the present invention.

The ninth figure is a schematic diagram of an embodiment of the present invention where the lock post is separated from the insertion groove of the lock seat to form a release state.

In order to achieve the above-mentioned purpose and effect of the present invention, the technical means adopted are hereby citing preferable feasible embodiments, which are described in detail as follows:

The embodiments of the present invention, please refer to the first to fifth figures, mainly include: a foldable sheet set 1, which is composed of a fixed folded sheet 10, a movable folded sheet 11, several middle folded sheets 12 and several rivets 13 The fixed folded piece 10 and the movable folded piece 11 and the middle folded pieces 12 are all formed by the rivets 13 one by one riveting pivots, the fixed folded piece 10 and the movable folded piece 11 are connected with each other. They are respectively pivoted on the two outer sides of the middle folded sheets 12 , a connecting seat 14 is fixed on the fixed folded sheet 10 , a through hole 140 is defined on the connecting seat 14 , and a baffle is arranged at the outer end of the through hole 140 . 141, the outer end of the movable foldable sheet 11 is set as an insertion stop 110, and the insertion stop 110 is provided with an insertion stop hole 111; On the side, one end of the lock seat 2 is provided with an accommodating groove 20, the wall surface of the accommodating groove 20 is provided with a spiral flange 21, and the wall surface of the lock seat 2 is provided with an insertion groove 22, the accommodating groove 20 is Connected to the insertion slot 22, the other end of the lock base 2 is provided with an insertion hole 23, the insertion hole 23 is passed through the insertion slot 22, and an inner wall of the insertion hole 23 is relatively convex with an insertion hole 23 body 24; a fixing sleeve 3 is inserted through the through hole 140 of the connecting seat 14 on the fixing foldable sheet 10, and is arranged in the accommodating groove 20 of the locking seat 2, one end of the fixing sleeve 3 is A flange 30 is provided on the outer wall surface, the flange 30 is used for the blocking edge 141 of the connecting seat 14 to block and locate, and the outer wall surface of the fixing sleeve 3 is provided with the locking seat 2 The spiral flange 21 is matched with the spiral insert groove 31, the fixing sleeve 3 is provided with a chamber 32, the outer end of the chamber 32 is provided with a ring groove 33, and the wall surface of the chamber 32 is axially provided with a The chute 34 is vertically provided with an arc-shaped positioning socket 35, the other end of the fixing sleeve 3 is provided with a through hole 36 communicating with the chamber 32; a lock core seat 4 is arranged on the fixing sleeve In the accommodating chamber 32 of the cylinder 3, one end of the lock core seat 4 is provided with a accommodating chamber 40, the inner wall surface of the accommodating chamber 40 is provided with a positioning strip groove 41, and the other end of the lock core seat 4 is provided with a hole passing through the accommodating chamber The through hole 42 of 40, the outer wall of the lock core seat 4 is provided with a positioning protrusion 43 for being provided in the chute 34 of the fixing sleeve 3, and the wall surface of the lock core seat 4 is provided with a communication with the through hole The steel ball hole 44 of 42, a positioning steel ball 45 is arranged in the steel ball hole 44, at least one pin hole 46 is arranged on the wall surface of one end of the lock core seat 4, and a fixing pin 47 is arranged in the pin hole 46, the lock core The other end face of the seat 4 is provided with a fixed socket 48; a lock core 5 is arranged in the accommodation chamber 40 of the lock core seat 4, one end of the lock core 5 is provided with a key hole 50, and the other end of the lock core 5 is provided with a key hole 50. One end is provided with a lock rod 51, the lock rod 51 is provided with a groove 52, and the wall surface of the lock core 5 is provided with a locking rod 53 for embedding in the positioning strip groove 41 of the lock core seat 4 (as shown in the first section). 3); a connecting swivel base 6, which is assembled on the lock core seat 4, and one end of the connecting swivel base 6 is provided with a convex column 60, and the convex column 60 is passed through the lock core seat 4. In the through hole 42, the protruding post 60 is provided with a locking rod hole 61 for the locking rod 51 of the lock core 5 to pass through. The convex body 63 has a through hole 64 in the connecting convex body 63, a first pin hole 65 is provided on the wall surface of the connecting swivel 6, and a first fixing pin 650 is provided in the first pin hole 65. The connecting convex body There is a second pin hole 66 on the wall of 63, a second fixing pin 660 is arranged in the second pin hole 66, a fixing hole 67 is arranged on the end surface of the connecting swivel 6, and a torsion spring 68 is arranged in the Between the connection swivel base 6 and the lock core seat 4, one end of the torsion spring 68 is embedded in the fixing socket 67 of the connection swivel base 6, and the other end of the torsion spring 68 is embedded in the lock core seat 4. In the fixing socket 48; a locking post 7 is attached to the connecting swivel 6, one end of the locking post 7 is provided with a protruding post 70, the protruding post 70 is provided with a pin hole 71, the locking post 7 There is a baffle 72 on it, and the other end of the lock post 7 is provided with a slot 73, the lock On the wall surface of the other end of the column 7 corresponding to the position of the inlay 24 in the insertion hole 23 of the lock base 2, a cut surface 74 is oppositely provided. On; an anti-drilling part 8 is attached to the lock core seat 4, the anti-drilling part 8 is provided with a convex body 80, the convex body 80 is set in the chamber 40 of the locking core seat 4, the convex body 80 is provided with a ring groove 81, the anti-drilling part 8 is provided with a key hole 82; a fixed collar 9 is set in the accommodation chamber 32 of the fixed sleeve 3, and a wall surface of the fixed collar 9 is provided with a C The C-shaped retaining ring 90 is embedded in the ring groove 33 of the fixing sleeve 3 , so that it is a folding lock structure.

When assembling the present invention, please refer to the first to sixth figures. First, set the lock base 2 on the inner side of the connecting base 14 of the foldable sheet set 1, and then set the fixing sleeve 3 from the outside of the connecting base 14. The through hole 140 is also set in the accommodating groove 20 of the lock base 2 . The edge 30 is blocked and positioned by the blocking edge 141 of the connecting seat 14 , so that the locking seat 2 and the fixing sleeve 3 are fixed on the connecting seat 14 , and the protruding column 70 of the locking column 7 is inserted into the through hole of the connecting seat 6 . In 64, the second fixing pin 660 on the connecting swivel base 6 is inserted into the pin hole 71 of the locking column 7 to fix the locking column 7 and the connecting swivel base 6, and the torsion spring 68 is sleeved on the connection. On the swivel base 6, one end of the torsion spring 68 is inserted into the fixing hole 67 connecting the swivel base 6, and the convex column 60 connecting the swivel base 6 is inserted into the through hole 42 of the lock core seat 4, and the torsion spring 68 The other end is inserted into the fixing hole 48 of the lock core seat 4, and then the lock core 5 is inserted into the chamber 40 of the lock core seat 4, and the lock rod 51 of the lock core 5 is inserted into the connecting screw. In the locking rod hole 61 of the seat 6, insert the first fixing pin 650 of the connecting swivel base 6 into the slot 52 of the locking rod 51, so that the connecting swivel base 6 is assembled with the lock core seat 4 and the lock core 5, The missing groove 62 of the connecting swivel base 6 corresponds to the position of the steel ball hole 44 of the lock core seat 4, and the positioning steel ball 45 is set in the steel ball hole 44 of the locking core seat 4 and the connecting swivel base 6. The missing groove 62 (eg As shown in the sixth figure), the convex body 80 of the anti-drilling member 8 is set in the end of the chamber 40 of the lock core seat 4, and the anti-drilling member 8 is inserted into the anti-drilling member 8 through the fixing pin 47 on the core seat 4. In the ring groove 81, the anti-drilling component 8 is assembled on the end of the lock core seat 4, and can idle on the lock core seat 4, and then the compression spring 75 is sleeved on the connecting swivel base 6 and the lock column 7, And the above assembled lock core seat 4 , the lock core 5, the torsion spring 68, the connecting swivel 6, the lock column 7, the compression spring 75 and the anti-drilling part 8 and other components are placed in the chamber 32 of the fixed sleeve 3, and the lock column 7 is formed by the fixed sleeve. The through hole 36 of 3 penetrates into the insertion slot 22 of the lock base 2, the end of the lock post 7 is inserted into the insertion hole 23 of the lock base 2, and then the fixing collar 9 is set in the fixing sleeve 3 The C-shaped retaining ring 90 is embedded in the ring groove 33 of the fixing sleeve 3, the fixing sleeve 9 is fixed in the fixing sleeve 3, and the lock core seat 4 is positioned in the fixing sleeve 3. In the sleeve 3, in this way, the whole assembly can be completed.

When using the present invention, please refer to the second to ninth figures, unfold the folded sheets 10, 11, 12 of the foldable sheet set 1, and wrap them around the objects to be locked and fixed objects, and then fold the movable pieces. The inserting portion 110 of the sheet 11 is inserted into the inserting slot 22 of the lock base 2, so that the inserting hole 111 on the inserting portion 110 corresponds to the locking post 7 and the inserting hole 23 of the locking base 2. The lock core seat 4 is pressed into the fixed sleeve 3, so that the lock column 7 is inserted into the insertion hole 111 of the movable folding piece 11 and the insertion hole 23 of the lock seat 2, and the compression spring 75 is squeezed into the position. In the compressed state, and the positioning steel ball 45 on the lock core seat 4 corresponds to the positioning groove 35 of the fixed sleeve 3, at this time, the positioning steel ball 45 no longer abuts on the wall surface of the chamber 32 of the fixed sleeve 3, but The torsion spring 68 is elastically restored and drives the connecting swivel 6 to rotate, and the positioning steel ball 45 is pushed outward by the rotation of the connecting swivel 6 and disengages from the groove 62 of the connecting swivel 6 , and is connected to the swivel 6 . The outer wall surface of the protruding post 60 abuts against and is clamped in the positioning groove 35 of the fixing sleeve 3 (as shown in the fifth figure). When the connecting swivel base 6 is driven by the torsion spring 68, its locking post 7 also follows. It is driven and rotated, so that the inlay 24 of the lock base 2 is embedded in the inlay groove 73 at the end of the lock column 7 (as shown in the fourth figure), so that the locking action can be completed (as shown in the third figure). In addition, when you want to unlock, please refer to the sixth figure, you only need to use the key A to turn the lock core 5 to rotate, and the lock rod 51 of the lock core 5 drives the connecting swivel 6 to rotate and make the torsion spring 68 rotate. In a twisted state, the groove 62 connecting the swivel base 6 is aligned with the steel ball hole 44 of the lock core seat 4 (as shown in the eighth figure), and the positioning steel ball 45 can move to the groove 62 connecting the swivel base 6. The positioning steel ball 45 is no longer clamped in the positioning groove 35 of the fixed sleeve 3, and the lock column 7 rotates with the connecting swivel base 6, and the inlay 24 in the insertion hole 23 of the lock base 2 is released from the lock column. 7's insert groove 73 (as shown in Figure 7), and the compression spring 75 is elastically restored, pushes the lock core seat 4 outward, and makes the lock post 7 disengage from the insertion groove 22 of the lock seat 2 (as shown in Section 2). As shown in Figure 9), the inserting portion 110 of the movable folding piece 11 can be moved out from the inserting slot 22 of the locking base 2, so that the unfastening action can be completed; In addition to the lock, there is an inlay 24 in the insertion hole 23 of the lock base 2 and an inlay slot 73 on the lock post 7, which can further lock the end of the lock post 7 to prevent thieves from inserting the lock. The insertion slot 22 of the lock base 2 is opened, and the lock core base 4 is provided with an anti-drilling component 8, which can prevent thieves from using a drill bit to damage the internal structure of the lock core, and can achieve the best anti-theft effect of the lock.

To sum up, the present invention has indeed achieved the intended use purpose and effect, and is more ideal and practical than those in the art. However, the above-mentioned embodiments are only specific descriptions for the preferred embodiments of the present invention. This embodiment is not intended to limit the scope of the patent application of the present invention, and all other equivalent changes and modifications made without departing from the technical means disclosed in the present invention shall be included in the patent application scope of the present invention.

1: Folding sheet set

10: Fixed folding sheet

11: Active Folding Sheet

110: Insertion Department

111: Insert hole

12: Middle folded sheet

13: Rivets

14: Connector

140: Through hole

141: Fence

2: lock seat

20: accommodating slot

21: Spiral Flange

22: Socket slot

23: Insert hole

24: Inlay

3: Fixed sleeve

30: Flange

31: Spiral insert groove

32: Room

33: Ring groove

34: Chute

35: Positioning groove

36: Perforation

4: Lock seat

40: Room

41: Positioning slot

42: Perforation

43: Positioning the convex body

44: Steel ball hole

45: Positioning steel balls

46: pin hole

47: Fixed pin

48: Fixed jack

5: lock heart

50: keyhole

51: Lock lever

52: Grooving

6: Connect the transposition

60: convex column

61: Lock lever hole

62: missing slot

63: Connect the convex body

64: perforated

65: The first pin hole

650: First fixing pin

66: Second pin hole

660:Second fixed pin

67: Fixed jack

68: Torsion spring

7: Lock post

70: Column

71: pin hole

72: Fence

73: Groove

74: Sliced

75: Compression spring

8: Anti-drilling parts

80: convex body

81: Ring groove

82: Key Perforation

9: Fixed collar

90: C-type buckle

Claims (3)

A folding lock is mainly provided with: A folded sheet set is composed of a fixed folded piece, a movable folded piece, several intermediate folded pieces and several rivets. The fixed folded piece, the movable folded piece and the number of middle folded pieces are all connected by the number of rivets. A riveting pivot assembly is formed, the fixed folding piece and the movable folding piece are respectively pivoted on the two outer sides of the middle folding pieces, a connecting seat is fixed on the fixed folding piece, and a through hole is formed on the connecting seat. The outer end of the movable foldable sheet is set as an insertion part, and the insertion part is provided with an insertion hole; A lock seat is arranged on the inner side of the connecting seat on the fixed and folded sheet. One end of the lock seat is provided with an accommodating groove, and a wall surface of the lock seat is provided with an insertion groove, and the accommodating groove is communicated with the plug. a slot, the other end of the lock seat is provided with an insertion hole, the insertion hole of the lock seat passes through the insertion slot, and the inner wall surface of the insertion hole is relatively convex with an inlay; A fixing sleeve is passed through the through hole of the connecting seat on the fixing foldable sheet and is arranged in the accommodating groove of the locking seat. A flange is provided on the outer wall of one end of the fixing sleeve. There is an accommodating chamber in the sleeve, the outer end of the accommodating chamber of the fixing sleeve is provided with a ring groove, the wall surface of the accommodating chamber of the fixing sleeve is axially provided with a chute, and vertically there is an arc-shaped positioning insert. a groove, the other end of the fixing sleeve is provided with a through hole communicating with the chamber; A lock core seat is set in the accommodating chamber of the fixing sleeve, one end of the lock core seat is provided with a accommodating chamber, the inner wall surface of the accommodating chamber of the lock core seat is provided with a positioning groove, and the other end of the lock core seat is provided with a locating groove A perforation penetrates through the chamber, the outer wall surface of the lock core seat is provided with a positioning protrusion provided in the chute of the fixing sleeve, and a wall surface of the lock core seat is provided with a connection to the lock core seat The perforated steel ball hole, a positioning steel ball is arranged in the steel ball hole, and a fixed insertion hole is arranged on the other end face of the lock core seat; A lock core is set in the chamber of the lock core seat, one end of the lock core is provided with a key hole, the other end of the lock core is provided with a lock rod, the lock rod is provided with a groove, and the wall surface of the lock core is provided with a key hole. There is a locking rod embedded in the positioning groove of the lock core seat; A connecting swivel base is assembled on the lock core seat, one end of the connecting swivel base is provided with a convex column, the convex column of the connecting swivel base is passed through the hole of the lock core seat, and the There is a lock rod hole in the convex column for the lock rod of the lock core to pass through. The convex column of the connecting swivel base is provided with a groove. There is a through hole, a first pin hole is arranged on the wall surface of the connecting swivel base, a first fixing pin is arranged in the first pin hole, and the first fixing pin is inserted into the slot of the lock rod of the lock core, A second pin hole is arranged on the wall surface of the connecting protrusion, a second fixing pin is arranged in the second pin hole, a fixing socket is arranged on the end surface of the connecting swivel, and a torsion spring is attached to the connecting swivel and the lock core seat, one end of the torsion spring is embedded in the fixed socket of the connecting swivel base, and the other end of the torsion spring is embedded in the fixed socket of the lock core seat; A locking post is fixed on the connecting swivel base, one end of the locking post is provided with a protruding post, the protruding post of the locking post is set in the through hole of the connecting revolving base, and the protruding post of the locking post is provided with a The second fixing pin on the connecting swivel is inserted into the pin hole, the lock post is provided with a blocking edge, the other end of the lock post is provided with an insert groove, and the wall surface of the other end of the lock post corresponds to the The inlay position in the insertion hole of the lock seat is oppositely provided with a cut surface, and a compression spring is sleeved on the connection swivel seat and the lock post; A fixing collar is set in the accommodating chamber of the fixing sleeve, a C-shaped retaining ring is arranged on the wall surface of the fixing collar, and the C-shaped retaining ring is embedded in the ring groove of the fixing sleeve. The folding lock according to claim 1, wherein the outer end of the through hole of the connecting seat of the folding plate group is provided with a baffle, and the flange of the fixing sleeve is used for the baffle of the connecting seat to block and locate, The wall surface of the accommodating groove of the lock seat is provided with a spiral flange, and the outer wall surface of the fixing sleeve is provided with a spiral insert groove for fitting with the spiral flange of the lock seat. The folding lock according to claim 1, wherein at least one pin hole is provided on the wall surface of one end of the lock core seat, a fixing pin is arranged in the pin hole, and an anti-drilling component is attached to the lock core seat , The anti-drilling component is provided with a convex body, the convex body of the anti-drilling component is set in the chamber of the lock core seat, and the convex body of the anti-drilling component is provided with a ring groove for the fixing pin of the lock core seat to be inserted into , a key hole is provided on the anti-drilling part.

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