TWI706879B - Disc brake lock - Google Patents

Abstract

The present invention is to provide a disc brake lock, which is mainly provided with a body, an upper reinforcement seat, a lower reinforcement seat, a fixing piece, an insertion latch, a bottom cover, an insertion latch, a compression spring and a lock core The main body, the upper reinforcing seat, the lower reinforcing seat and the bottom cover are all made of plastic material, and the accommodating groove and stepped through hole of the main body are filled with metal material. Reinforcement piece and lower reinforcement piece, and the upper reinforcement seat and the lower reinforcement seat are installed in the recessed chamber of the body, which can increase the overall strength of the body, and then the body and the upper reinforcement seat are welded by ultrasonic waves. , The lower reinforcing seat, the fixing piece, the plug-in seat and the bottom cover are solidly integrated, so that the overall structure is light in weight, and the manufacturing cost can be greatly reduced.

Description

Disc brake lock

The present invention relates to a disc brake lock, in particular to a disc brake lock that is light in overall weight and can greatly reduce manufacturing costs.

Press, the disc brake lock 1 that is generally locked on the disc brake of a locomotive, as shown in the first figure, is mainly provided with a body 10, one side of the body 10 is provided with a groove 11, and the body 10 is provided with a housing Slot 12, the accommodating groove 12 is provided with a lock core seat 13 and a compression spring 14. The lock core seat 13 is fixed in the accommodating groove 12 of the main body 10 by a fixing pin 15. The lock core seat 13 A lock core 16 is provided inside, the lock core 16 can move up and down in the lock core seat 13, and the bottom of the lock core 16 is provided with a lock rod 17, and the compression spring 14 is sleeved on the lock rod 17 And is located in the lock core seat 13, and the slot 11 of the main body 10 is provided with an insertion hole 18 corresponding to the position of the lock rod 17, so that when the lock is locked, the main body 10 is buckled on the disc brake of the locomotive On A, insert the disc brake A into the slot 11 of the main body 10, and then press down the lock core 16 so that the lock core 16 is submerged in the main body 10, and the lower end of the lock rod 17 is Insert into the perforation A1 of the disc brake A and the insertion hole 18 of the body 10, and then lock the lock core 16 to lock the disc brake lock 1 on the disc brake A; when unfastened, Turn the lock core 16 with a key to unlock, the lock core 16 is pushed outward by the elastic recovery of the compression spring 14, the upper part of the lock core 16 protrudes from the body 10, and the lock lever 17 is released from the disc brake The perforation A1 of piece A completes the tripping action; however, the overall structure of the inner and outer components of the conventional disc brake lock 1 is mostly made of metal, and the body 10 of the lock is a solid body, which is heavy in weight and high in manufacturing cost. , And the anti-theft effect of the single lock lever 17 is poor.

The main purpose of the present invention is to provide a disc brake lock, which can effectively solve the shortcomings of the conventional disc brake lock.

The disc brake lock of the present invention includes: A body, the system is made of plastic material, the body is provided with a cut groove, the body is provided with an accommodating groove on the upper part of the cut groove, and a positioning groove is provided on the wall of the accommodating groove. The tank is filled with an upper reinforcing sheet made of metal material, the upper reinforcing sheet is provided with a perforation, the body is located at the bottom of the slot and is provided with a stepped through hole aligned with the containing groove, the stepped through hole The inner pot is filled with a lower reinforcing sheet made of metal material, the lower reinforcing sheet is provided with a through hole, and the main body is provided with a recess in the bottom surface, and the recess penetrates the cut groove to form a hollow inside the main body The inner surface of the concave chamber is provided with a number of positioning protrusions, and the bottom of the body is provided with a positioning groove; An upper reinforcement seat is fixed in the recessed chamber of the body and located above the cut groove. The upper reinforcement seat is made of plastic material. The upper reinforcement seat is provided with several positioning and embedded holes. The bottom surface of the upper reinforcement seat With a slot; The lower reinforcement seat is fixed in the recess of the main body and located below the cut groove. The lower reinforcement seat is made of plastic material. The lower reinforcement seat is provided with several positioning protruding posts. The top of the lower reinforcement seat There is also an embedding groove on the surface corresponding to the embedding groove of the upper reinforcing seat; A fixing piece is fixed between the upper reinforcement seat and the lower reinforcement seat, and is embedded in the grooves of the upper reinforcement seat and the lower reinforcement seat. The fixing piece is made of metal. The fixed piece is U-shaped; A plug socket is fixedly arranged in the stepped through hole of the body, the plug socket is made of metal material, the plug socket is provided with a plug groove, and the inner wall of the plug groove is provided with a lock Ring groove, the top surface of the plug-in base is provided with an upper convex body, the upper convex system penetrates the through hole of the reinforcing sheet under the body, and the bottom surface of the plug-in base is provided with a lower convex body; A bottom cover is fixed in the positioning slot of the main body, the bottom cover is made of plastic material, and the bottom cover is provided with a perforation for the protruding body under the plug socket to enter; An insertion lever is set in the accommodating groove of the main body and extends through the perforation of the upper reinforcing sheet and the insertion groove of the insertion base. The insertion lever is made of metal. The plug lever is set as a lock seat part and a plug part, the lock seat part is provided with a chamber, the inner wall of the chamber is provided with a positioning ring groove, the wall of the lock seat part is provided with a pin hole, and the pin hole is provided There is a locating pin, the outer end of the locating pin is embedded in the locating bar groove of the accommodating groove of the main body, the latch part is provided with a lock rod groove connected to the accommodation chamber, and the wall surface of the latch part There are two steel ball holes connected to the lock rod groove, a lock steel ball is provided in each of the two steel ball holes, and a compression spring is sleeved on the plug portion of the plug lever and is set in the body of the body Slot A lock core is set in the accommodating chamber of the lock seat part of the plug lever, the lock core is made of metal material, the bottom of the lock core is provided with a lock rod, and the lock rod penetrates the plug In the lock lever groove of the detent lever, the wall surface of the lower end of the lock lever is provided with a groove opposite, and the top surface of the lock core is provided with a key hole; A fixing seat is arranged above the lock core and embedded in the receiving chamber of the latch rod. The fixing seat is provided with a key hole, and the wall of the fixing seat is buckled with a C-shaped buckle. The C The buckle ring is embedded in the positioning ring groove of the plug lever.

The disc brake lock of the present invention, wherein the top of the accommodating groove of the body is provided with a fixing groove, a dust cover is fixed in the fixing groove, the dust cover is made of plastic material, and the dust cover is provided with a plug body , The plug system is plugged in the key receptacle of the fixing seat above the lock core.

The disc brake lock of the present invention has the advantages that the lock system is made of plastic material, which makes the overall weight light, can be mass-produced, and can greatly reduce the manufacturing cost, and its appearance has various changes, and the overall structure strength is good , Has excellent anti-theft effect.

Regarding the technical means adopted by the present invention in order to achieve the above-mentioned use purposes and effects, a preferred and feasible embodiment is presented and shown in the drawings, and the details are as follows:

The embodiment of the present invention, please refer to the second to fourth figures, it is mainly provided with a body 2 made of plastic material, the body 2 is provided with a notch 20, the body 2 is located in the notch A accommodating groove 21 is provided on the upper part of the accommodating groove 21. A positioning strip groove 210 is provided on the wall of the accommodating groove 21. The accommodating groove 21 is filled with an upper reinforcing sheet 22 made of a metal material. The upper reinforcing sheet 22 is provided with There is a through hole 220, the top of the containing groove 21 is provided with a fixing groove 23, the main body 2 is located at the bottom of the slot 20 with a stepped through hole 24 aligned with the containing groove 21, the stepped through hole 24 is filled with a lower reinforcing sheet 25 made of metal material, the lower reinforcing sheet 25 is provided with a through hole 250, the body 2 is provided with a recess 26 in the bottom surface thereof, and the recess 26 penetrates the cut groove 20 , The body 2 is formed into a hollow shape, and the inner surface of the cavity 26 is provided with a plurality of positioning protrusions 260, the bottom of the body 2 is provided with a positioning groove 261; an upper reinforcing seat 31 is attached to the body 2 The concave chamber 26 is located above the cutting groove 20, the upper reinforcing seat 31 is made of plastic material, the upper reinforcing seat 31 is provided with a plurality of positioning inserting holes 310, and the bottom surface of the upper reinforcing seat 31 is provided with an inserting groove 311; The lower reinforcement seat 32 is set in the recess 26 of the body 2 and is located below the slot 20, the lower reinforcement seat 32 is made of plastic material, and the lower reinforcement seat 32 is provided with a number of positioning protrusions Column 320, the top surface of the lower reinforcing seat 32 is provided with an inserting groove 321, the inserting groove 321 of the lower reinforcing seat 32 corresponds to the inserting groove 311 of the upper reinforcing seat 31; a fixing piece 33 is attached to the upper The reinforcing seat 31 and the lower reinforcing seat 32 are embedded in the grooves 311 and 321 of the upper reinforcing seat 31 and the lower reinforcing seat 32. The fixing piece 33 is made of metal material. The fixing piece 33 is U-shaped; a plug socket 34 is set in the stepped through hole 24 of the body 2, the plug socket 34 is made of metal material, and the plug socket 34 is provided with a plug groove 340 The inner wall of the latch groove 340 is provided with a locking ring groove 341, the top surface of the latch seat 34 is provided with an upper protrusion 342, the upper protrusion 342 is provided in the through hole of the reinforcing piece 25 under the main body 2 In 250, the bottom surface of the socket 34 is provided with a protruding body 343; a bottom cover 35 is set in the positioning groove 261 of the body 2, the bottom cover 35 is made of plastic material, and the bottom cover 35 is provided with a perforation 350 for the lower protrusion 343 of the inserting base 34 to be inserted; an inserting lever 4 is set in the receiving groove 21 of the main body 2 and extends through the perforation of the upper reinforcing sheet 22 220 and the plug groove 340 of the plug seat 34, the plug lever 4 is made of metal material, the plug lever 4 is set as the lock seat portion 40 and the plug portion 41, and the lock seat portion 40 A chamber 400 is provided. The inner wall of the chamber 400 is provided with a positioning ring groove 401. The wall surface of the lock seat part 40 is provided with a pin hole 402. The pin hole 402 is provided with a positioning pin 403. There is connected to the chamber 400 Lock rod groove 410, the wall surface of the plug portion 41 is provided with two steel ball holes 411 connected to the lock rod groove 410, two steel ball holes 411 are each provided with a lock steel ball 412, and a compression spring 42 is sleeved on The plug portion 41 of the plug lever 4 is disposed in the accommodating groove 21 of the body 2; a lock core 5 is set in the containing chamber 400 of the lock seat portion 40 of the plug lever 4. The lock core 5 is made of metal material. The bottom of the lock core 5 is provided with a lock rod 50. The wall of the lower end of the lock rod 50 is oppositely provided with a notch 51. The top surface of the lock core 5 is provided with a key hole 52; A fixed seat 53 is set above the lock core 5 and embedded in the chamber 400 of the plug lever 4, the fixed seat 53 is provided with a key socket 530, the wall of the fixed seat 53 The buckle is provided with a C-shaped buckle ring 54 which is embedded in the positioning ring groove 401 of the plug lever 4; a dustproof cover 6 is fastened to the top of the receiving groove 21 of the main body 2. The dust-proof cover 6 is made of plastic material, and the dust-proof cover 6 is provided with a plug body 60, so that it is a disc brake lock structure.

When assembling, please refer to the second to fourth figures, first set the fixing piece 33 in the grooves 311 and 321 of the upper reinforcement base 31 and the lower reinforcement base 32, and insert the positioning protrusion 320 of the lower reinforcement base 32 Insert the upper reinforcement seat 31 and the lower reinforcement seat 32 into the recess 26 of the body 2 in the positioning insertion hole 310 of the upper reinforcement seat 31, so that the positioning protrusion 260 of the body 2 is inserted into the upper reinforcement seat 31 In the positioning insertion hole 310, the upper reinforcement base 31 and the lower reinforcement base 32 are formed with a slot 20 corresponding to the main body 2 by the fixing piece 33, and the inserting base 34 is inserted into the main body 2 In the stepped through hole 24, the upper protrusion 342 of the inserting base 34 is inserted into the through hole 250 of the reinforcing sheet 25 under the main body 2, and the bottom cover 35 is inserted into the positioning groove 261 of the main body 2. The lower convex body 343 of the plug socket 34 is inserted into the perforation 350 of the bottom cover 35, and then the bottom cover 35, the upper reinforcement seat 31 and the lower reinforcement are reinforced by ultrasonic welding or adhesive bonding... The seat 32 and the body 2 are fixed as one body, and then the latch seat 34 is fixed in the stepped through hole 24 of the body 2, and the lock core 5 is inserted into the latch lever 4 so that the lock rod 50 is inserted in In the lock rod groove 410 of the latch lever 4, the slot 51 on the latch 50 is aligned with the steel ball hole 411 of the latch 41, and the compression spring 42 is sleeved on the latch 41 of the latch 41 , Put the two lock steel balls 412 into the two steel ball holes 411 of the plug lever 4, and then set the fixing seat 53 in the chamber 400 of the plug lever 4 so that the C-shaped buckle on the fixed seat 53 54 is embedded in the positioning ring groove 401 of the plug lever 4, and the lock core 5 is fixed in the plug lever 4, and the positioning pin 403 is inserted into the pin hole 402 of the plug lever 4 to make a part of it The positioning pin 403 protrudes on the wall surface of the plug lever 4, and then the plug lever 4 and the compression spring 42 are set together in the accommodating groove 21 of the body 2, so that the wall surface of the lock seat 40 of the plug lever 4 The positioning pin 403 is set in the positioning bar groove 210 of the main body 2, and the inserting portion 41 is inserted into the inserting groove 340 of the inserting seat 34 through the perforation 220 of the upper reinforcing piece 22, and the locking steel ball 412 is aligned with In the lock ring groove 341 of the latch seat 34, the lower end of the compression spring 42 is against the upper reinforcing piece 22, and the upper end is against the bottom surface of the lock seat 40 of the latch lever 4, and the dust cover 6 is assembled on In the fixing groove 23 of the main body 2, the dust cover 6 is fixed on the main body 2 by ultrasonic welding or adhesive bonding, etc., and then the plug lever 4 is fixed in the receiving groove of the main body 2 Within 21, in this way, the overall assembly can be completed.

When in use, please refer to the fourth and fifth figures. The body 2 of the present invention is buckled on the disc brake A of the locomotive, so that the disc brake A is inserted into the slot 20 of the body 2, and the disc brake The perforation A1 on A is aligned with the latch groove 340 of the latch seat 34, and the protruding latch lever 4 is pressed into the body 2, and the latch lever 4 moves down and compresses the compression spring 42, and The insert 41 at the lower end of the plunger rod 4 that penetrates the through hole 220 of the reinforcing piece 22 on the body 2 is inserted into the through hole A1 of the disc brake A and inserted into the insert groove 340 of the insert 34 , By inserting the key into the key hole 530 of the fixing seat 53 and the key hole 52 of the lock core 5, and rotating the lock plate in the lock core 5, the lock lever 50 at the lower end of the lock core 5 rotates accordingly, and the lock The notch 51 of the rod 50 is out of alignment with the ball hole 411 of the latch rod 4, so that the outer wall of the lock rod 50 pushes the lock ball 412 outward, and a part of the lock ball 412 is moved and embedded. Into the locking ring groove 341 of the latch seat 34 (as shown in the fifth figure), in this way, the locking action can be completed, and then the plug body 60 of the dust cover 6 is inserted into the key hole of the fixing seat 53 In the 530, the effects of dust and water ingress can be achieved, and the body 2 of the present invention does not have any pin holes on the outside. The thief cannot know the internal locking structure from the appearance, so the best anti-theft effect can be achieved; the present invention When you want to unbuckle, you only need to insert the key into the key hole 530 of the fixed seat 53 and the key hole 52 of the lock core 5. Turn the lock core 5 so that the lock lever 50 rotates accordingly, and the slot 51 of the lock lever 50 is cut. Then align the position of the steel ball hole 411 of the plunger 4 again, and the compression spring 42 in the accommodating groove 21 of the main body 2 will elastically return to push the plunger 4 upward (as shown in the fourth figure) to make the lock seat The upper part of the portion 40 protrudes outward on the dust cover 6, and its insertion lever 4 is pushed up by the compression spring 42 and detached from the insertion groove 340 of the insertion seat 34 and the perforation A1 of the disc brake A, and the body 2 is It can be removed from the disc brake A, so that the tripping action can be completed; the body 2 of the lock of the present invention is made of plastic material, which greatly reduces the overall weight, can be mass-produced, and can greatly reduce manufacturing costs, and Its appearance has various changes, and the inside of the main body 2 is filled with a reinforcing structure, which greatly reduces the weight of the main body 2 but its strength is not reduced, so it has an excellent anti-theft effect.

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

1: Disc brake lock 10: body 11: Grooving 12: holding tank 13: Lock seat 14: Compression spring 15: fixed pin 16: lock heart 17: Lock lever 18: Insert hole 2: body 20: Grooving 21: holding tank 210: positioning bar slot 22: Upper reinforcement film 220: Piercing 23: fixed groove 24: Stepped through holes 25: under reinforcement 250: Through hole 26: Alcove 260: Positioning boss 261: positioning slot 31: Upper reinforcement seat 310: Positioning hole 311: Socket 32: Lower reinforcement seat 320: positioning boss 321: Insert slot 33: fixed piece 34: Socket 340: Socket 341: Locking ring groove 342: upper convex 343: lower convex 35: bottom cover 350: Piercing 4: Insert lever 40: lock seat 400: Room 401: locating ring groove 402: pin hole 403: positioning pin 41: Plug 410: Lock lever groove 411: Steel Ball Hole 412: Lock Steel Ball 42: Compression spring 5: lock heart 50: lock lever 51: Notch 52: keyhole 53: fixed seat 530: key jack 54: C-shaped clasp 6: Dust cover 60: plug body A: Disc brake A1: Piercing

The first figure shows a schematic cross-sectional view of a conventional disc brake lock. The second figure shows a three-dimensional exploded view of the embodiment of the present invention. The third figure shows a three-dimensional assembly diagram of an embodiment of the invention. The fourth figure shows the combined cross-sectional view of the embodiment of the present invention (unlocked state). Figure 5 is a schematic cross-sectional view of the locked state of the embodiment of the present invention.

2: body

20: Grooving

21: holding tank

210: positioning bar slot

22: Upper reinforcement film

220: Piercing

23: fixed groove

24: Stepped through holes

25: under reinforcement

250: Through hole

26: Alcove

260: Positioning boss

261: positioning slot

31: Upper reinforcement seat

310: Positioning hole

311: Socket

32: Lower reinforcement seat

320: positioning boss

321: Insert slot

33: fixed piece

34: Socket

340: Socket

341: Locking ring groove

342: upper convex

343: lower convex

35: bottom cover

350: Piercing

4: Insert lever

40: lock seat

400: Room

401: locating ring groove

402: pin hole

403: positioning pin

41: Plug

410: Lock lever groove

411: Steel Ball Hole

412: Lock Steel Ball

42: Compression spring

5: lock heart

50: lock lever

51: Notch

52: keyhole

53: fixed seat

530: key jack

54: C-shaped clasp

6: Dust cover

60: plug body

Claims (2)

A disc brake lock, including: A body, the system is made of plastic material, the body is provided with a cut groove, the body is provided with an accommodating groove on the upper part of the cut groove, and a positioning groove is provided on the wall of the accommodating groove. The tank is filled with an upper reinforcing sheet made of metal material, the upper reinforcing sheet is provided with a perforation, the body is located at the bottom of the slot and is provided with a stepped through hole aligned with the containing groove, the stepped through hole The inner pot is filled with a lower reinforcing sheet made of metal material, the lower reinforcing sheet is provided with a through hole, and the main body is provided with a recess in the bottom surface, and the recess penetrates the cut groove to form a hollow inside the main body The inner surface of the concave chamber is provided with a number of positioning protrusions, and the bottom of the body is provided with a positioning groove; An upper reinforcement seat is fixed in the recessed chamber of the body and located above the cut groove. The upper reinforcement seat is made of plastic material. The upper reinforcement seat is provided with several positioning and embedded holes. The bottom surface of the upper reinforcement seat With a slot; The lower reinforcement seat is fixed in the recess of the main body and located below the cut groove. The lower reinforcement seat is made of plastic material. The lower reinforcement seat is provided with several positioning protruding posts. The top of the lower reinforcement seat There is also an embedding groove on the surface corresponding to the embedding groove of the upper reinforcing seat; A fixing piece is fixed between the upper reinforcement seat and the lower reinforcement seat, and is embedded in the grooves of the upper reinforcement seat and the lower reinforcement seat. The fixing piece is made of metal. The fixed piece is U-shaped; A plug socket is fixedly arranged in the stepped through hole of the body, the plug socket is made of metal material, the plug socket is provided with a plug groove, and the inner wall of the plug groove is provided with a lock Ring groove, the top surface of the plug-in base is provided with an upper convex body, the upper convex system penetrates the through hole of the reinforcing sheet under the body, and the bottom surface of the plug-in base is provided with a lower convex body; A bottom cover is fixed in the positioning slot of the main body, the bottom cover is made of plastic material, and the bottom cover is provided with a perforation for the protruding body under the plug socket to enter; An insertion lever is set in the accommodating groove of the main body and extends through the perforation of the upper reinforcing sheet and the insertion groove of the insertion base. The insertion lever is made of metal. The plug lever is set as a lock seat part and a plug part, the lock seat part is provided with a chamber, the inner wall of the chamber is provided with a positioning ring groove, the wall of the lock seat part is provided with a pin hole, and the pin hole is provided There is a locating pin, the outer end of the locating pin is embedded in the locating bar groove of the accommodating groove of the main body, the latch part is provided with a lock rod groove connected to the accommodation chamber, and the wall surface of the latch part There are two steel ball holes connected to the lock rod groove, a lock steel ball is provided in each of the two steel ball holes, and a compression spring is sleeved on the plug portion of the plug lever and is set in the body of the body Slot A lock core is set in the accommodating chamber of the lock seat part of the plug lever, the lock core is made of metal material, the bottom of the lock core is provided with a lock rod, and the lock rod penetrates the plug In the lock lever groove of the detent lever, the wall surface of the lower end of the lock lever is provided with a groove opposite, and the top surface of the lock core is provided with a key hole; A fixing seat is arranged above the lock core and embedded in the receiving chamber of the latch rod. The fixing seat is provided with a key hole, and the wall of the fixing seat is buckled with a C-shaped buckle. The C The buckle ring is embedded in the positioning ring groove of the plug lever. The disc brake lock according to claim 1, wherein the top of the accommodating groove of the body is provided with a fixing groove, and a dust cover is fixed in the fixing groove, the dust cover is made of plastic material, and the dust cover A plug body is provided, and the plug system is plugged in the key socket of the fixing seat above the lock core.

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