CN204546420U - A kind of disassembling chains frock - Google Patents

A kind of disassembling chains frock Download PDF

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Publication number
CN204546420U
CN204546420U CN201520123783.2U CN201520123783U CN204546420U CN 204546420 U CN204546420 U CN 204546420U CN 201520123783 U CN201520123783 U CN 201520123783U CN 204546420 U CN204546420 U CN 204546420U
Authority
CN
China
Prior art keywords
dismounting
bearing pin
fixed seat
screw
thimble
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201520123783.2U
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Chinese (zh)
Inventor
付善春
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianjin Youpeng Yongyue Industry & Trade Co Ltd
Original Assignee
Tianjin Youpeng Yongyue Industry & Trade Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tianjin Youpeng Yongyue Industry & Trade Co Ltd filed Critical Tianjin Youpeng Yongyue Industry & Trade Co Ltd
Priority to CN201520123783.2U priority Critical patent/CN204546420U/en
Application granted granted Critical
Publication of CN204546420U publication Critical patent/CN204546420U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of disassembling chains frock, comprise dismounting seat, clamping sleeve, dismounting screw rod, dismounting thimble and elastic locating mechanism, dismounting seat comprises, lower fixed seat, upper fixed seat is provided with compression screw, lower fixed seat is provided with bearing pin and falls hole, clamping sleeve is connected with compression screw, dismounting screw is provided with in it, dismounting screw rod is threaded with dismounting screw, dismounting thimble is connected with dismounting screw rod lower end, dismounting thimble diameter is less than the diameter of chain hinge pin, length is greater than the length of chain hinge pin, bearing pin falls hole, dismounting thimble is coaxial with compression screw, elastic locating mechanism comprises locating core, positioning sleeve and spring.Compared with prior art, the elastic locating mechanism of disassembling chains frock of the present utility model is by the fixing hole of carrier bar and roller and dismounting thimble co-axially align, clamping sleeve compresses chain, realize the reliable location of chain, effectively can prevent the fixing hole damaging carrier bar or roller in disassembly process, rotate dismounting screw rod and just can realize flexible dismounting.

Description

A kind of disassembling chains frock
Technical field
The utility model relates to bicycle repairing technical field of tools, particularly relates to a kind of disassembling chains frock.
Background technology
Chain is bicycle important process parts, it often saves and forms Len req by pinned connection, this chain must re-assembly after maintenance dismounting chain link, most of bicycle repairing personnel adopt punching pin and hammer combination to carry out disassembling chains mostly, or adopt some power-assisted squash type frocks to carry out auxiliary dismounting, these two kinds of dismantling devices existing are in the installation process of chain, all can not solve the roller of chain and the connecting hole of four blocks of carrier bars and the orientation problem of bearing pin, cause effort is installed, time-consuming, carrier bar is easily caused to damage or personnel's injury, or cause clamping stagnation cannot carry out dismounting again, and dismounting is the dismounting of single bearing pin, carrier bar is easily because easily there is warpage in out-of-balance force, another is caused not easily to carry out installation location and dismounting.
Utility model content
Technical problem to be solved in the utility model overcomes the deficiencies in the prior art, provides the disassembling chains frock reliably locating chain in a kind of installation process.
The utility model is achieved by the following technical programs, and a kind of disassembling chains frock, comprising:
Dismounting seat, it comprises the upper fixed seat and lower fixed seat that be arranged in parallel, upper fixed seat is provided with compression screw, lower fixed seat is provided with the bearing pin coaxial with compressing screw and falls hole, the fall aperture in hole of bearing pin is greater than the diameter of the bearing pin of chain, be groove bottom lower fixed seat, groove bottom land is fixed with the coaxial hold-down nut in the hole that to fall with bearing pin;
Clamping sleeve, it is connected with compression screw by the external screw thread of one end, is provided with the dismounting screw running through body in clamping sleeve;
Dismounting screw rod, is threaded with dismounting screw by the external screw thread on it;
Dismounting thimble, is fixedly connected with the lower end of dismounting screw rod, and dismounting thimble is cylindrical, and its diameter is less than the diameter of chain hinge pin, and its length is greater than the length of bearing pin, and dismounting thimble is coaxial with compression screw;
Elastic locating mechanism, be threaded through the bearing pin Kong Bingyu hold-down nut that falls, it comprises locating core, positioning sleeve and spring, positioning sleeve is connected with hold-down nut, locating core stretches out the length of plane on lower fixed seat and is less than or equal to bearing pin length, the external diameter of locating core is less than the external diameter of bearing pin, locating core is coaxial with dismounting thimble, locating core is provided with boss, dividing plate is provided with in positioning sleeve, Spring Card is located between boss and dividing plate, dividing plate is provided with the through hole passed for locating core, distance bottom dividing plate and positioning sleeve equals the length that locating core stretches out plane on lower fixed seat.
Further, the aperture of dismounting screw is greater than the external diameter of bearing pin.
Further, the quantity of clamping sleeve, dismounting screw rod, dismounting thimble and elastic locating mechanism is respectively two, and be symmetricly set on dismounting seat respectively, upper fixed seat is provided with the compression screw that two centre-to-centre spacing equal two bearing pin centre-to-centre spacing on chain link, and two clamping sleeves lay respectively at two compression screws.
Further, also comprise synchronous driving system, synchronous driving system comprises two driven pulleys and be connected with two dismounting screw rod upper ends respectively and is positioned at two driving wheels in the middle of driven pulleys, and driving wheel is fixed on the drive rod that is connected with upper fixed seat bearing, and driving wheel is also connected with dismounting handwheel.
Compared with prior art, the elastic locating mechanism of disassembling chains frock of the present utility model is by the fixing hole of carrier bar and roller and dismounting thimble co-axially align, clamping sleeve compresses chain, realize the reliable location of chain, effectively can prevent the fixing hole damaging carrier bar or roller in disassembly process, rotate dismounting screw rod and just can realize flexible dismounting; Disassembling chains frock can under two of a synchronous driving system dismounting screw rod synchronously drives, synchronous dismounting is carried out to the bearing pin of two on chain link, therefore, the problem of out-of-balance force and chain slab warping can not be produced because of carrier bar two ends discontinuity equalization in disassembly process, dismounting is light, smooth and easy, and dismounting efficiency is high.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of elastic locating mechanism disassembly status of the present utility model;
Fig. 3 is the structural representation of Fig. 1 Elastic detent mechanism.
In figure: 1. dismounting seat, 10. lower fixed seat, 101. bearing pins fall hole, 102. hold-down nuts, 11. upper fixed seats, 2. clamping sleeve, 3. driving wheel, 4. drive rod, 5. dismounting handwheel, 6. driven pulley, 7. dismounting screw rod, 8. pressing handle, 9. dismounting thimble, 12. bearing pins, 13, elastic locating mechanism, 131. locating cores, 132, positioning sleeve, 133, spring.
Detailed description of the invention
In order to make those skilled in the art understand the technical solution of the utility model better, below in conjunction with accompanying drawing and most preferred embodiment, the utility model is described in further detail.
As Figure 1-3, a kind of disassembling chains frock of the present utility model, comprising:
The dismounting seat 1 of c-shaped structure, it comprises the upper fixed seat 12 and lower fixed seat 11 that be arranged in parallel up and down, upper fixed seat 12 is provided with compression screw, lower fixed seat 11 is provided with the bearing pin coaxial with compressing screw and falls hole 101, during dismounting, bearing pin falls from the bearing pin hole 101 that falls, the fall aperture in hole 101 of bearing pin is greater than pin diameter, in order to ensure that bearing pin can accurately to fall the orifice area in hole 101 by quick position bearing pin, preferably, bearing pin falls aperture, hole 101 2-3mm larger than pin diameter, it is groove bottom lower fixed seat 10, high 2 times of being more than or equal to bearing pin length of the groove of groove, groove bottom land is fixed with the coaxial hold-down nut 102 in the hole 101 that to fall with bearing pin, for fixing elastic locating mechanism 13,
Clamping sleeve 2, it is connected with compression screw by the external screw thread of one end, is provided with the dismounting screw of through body, clamping sleeve 2 is also provided with pressing handle 8, during compression, rotatably compress cover 2 and make its lower end be pressed on carrier bar surface in clamping sleeve 2;
Dismounting screw rod 7, is threaded with dismounting screw by the external screw thread on it;
Dismounting thimble 9, is fixedly connected with the lower end of dismounting screw rod 7, rotates dismounting screw rod 7, the dismounting thimble 9 of its lower end stretches out clamping sleeve 2, and dismounting thimble 9 is cylindrical, and its external diameter is less than the external diameter of chain hinge pin, its length is greater than the length of chain hinge pin, and dismounting thimble 9 is coaxial with compression screw;
Elastic locating mechanism 13, to fall hole 101 being threaded with hold-down nut 102 through bearing pin, it comprises locating core 131, positioning sleeve 132 and spring 133, as shown in Figure 3, positioning sleeve is connected with hold-down nut 102, the length that locating core 131 stretches out plane on lower fixed seat 10 is less than or equal to bearing pin 12 length, the external diameter of locating core 131 is less than the external diameter of bearing pin 12, locating core 131 is coaxial with dismounting thimble 9, locating core 131 is provided with boss, dividing plate is provided with in positioning sleeve 132, spring 133 is arranged between boss and dividing plate, dividing plate is provided with the through hole passed for locating core 131, distance bottom dividing plate and positioning sleeve 132 equals the length that locating core 131 stretches out plane on lower fixed seat 10.
Disassembling chains frock of the present utility model is when carrying out chain and installing, the carrier bar of chain, the fixing hole of roller is each passed through locating core 131, and be stacked on lower fixed seat 10, simultaneously, the two ends of bearing pin 12 are pressed between carrier bar fixing hole and dismounting thimble 9 respectively, rotating pressing handle 8 makes clamping sleeve 2 lower surface compress carrier bar, dislocation is produced when preventing it from installing, dismounting thimble 9 declines, bearing pin 12 is driven to decline, bearing pin 12 promotes locating core 131 and declines, when bearing pin 12 lower surface and undermost carrier bar flush with outer surface, locating core 131 lower surface contacts with bottom positioning sleeve 132, bearing pin cannot continue to decline, bearing pin 12 installation.
Disassembling chains frock of the present utility model is when carrying out chain dismantling, as shown in Figure 2, elastic locating mechanism 13 is taken off, and guarantee that the bearing pin 12 of chain is positioned at bearing pin and falls the orifice area in hole 101, rotate clamping sleeve 2 its lower end is declined and is pressed on carrier bar, complete the positioning action of chain link, rotate dismounting handwheel 5, two dismounting screw rods 7 are driven to rotate, the dismounting thimble 9 of its lower end is stretched out from clamping sleeve 2 inside, and along with the continuous decline of dismounting thimble 9, the bearing pin on chain link is ejected carrier bar, and fallen by the bearing pin hole 101 that falls;
Therefore, compared with prior art, the elastic locating mechanism 13 of disassembling chains frock of the present utility model is by the fixing hole of carrier bar and roller and dismounting thimble 9 co-axially align, clamping sleeve 2 compresses chain, realize the reliable location of chain, effectively can prevent the fixing hole damaging carrier bar or roller in disassembly process, rotate dismounting screw rod 7 and just can realize flexible dismounting.
As further technical scheme, fixed pin shaft 12 in advance during for the ease of installing, the aperture of dismounting screw is greater than the external diameter of bearing pin 12, bearing pin 12 one end is inserted in dismounting screw, and the other end stretches in chain plate hole, further, the lower port of dismounting screw also can be inlaid with rubber ring, rubber ring is provided with the flexible fastening hole consistent with bearing pin 12 external diameter, and bearing pin 12, under the elastic locking in flexible fastening hole, more easily aligns with chain plate hole.
As further technical scheme, clamping sleeve 2, dismounting screw rod 7, the quantity of dismounting thimble 9 and elastic locating mechanism 13 is respectively two, and be symmetricly set on dismounting seat 1 respectively, as shown in Figure 1, upper fixed seat 11 is provided with the compression screw that two centre-to-centre spacing equal two bearing pin 12 centre-to-centre spacing on chain link, two clamping sleeves 2 lay respectively in two compression screws, disassembling chains frock can carry out dismounting to two bearing pins 12 on shot of a cable joint simultaneously, avoid carrier bar two ends discontinuity equalization and produce the problem of out-of-balance force and chain slab warping, further, disassembling chains frock can under the driving of synchronous driving system, synchronous dismounting two bearing pin 12, in lifting chain dismounting quality simultaneously, improve dismounting efficiency, synchronous driving system comprises two driven pulleys be connected with two dismounting screw rod 7 upper ends respectively 6 and and is positioned at the middle driving wheel 3 of two driven pulleys 6, driving wheel 3 is fixed on the drive rod 4 that is connected with upper fixed seat 11 bearing, driving wheel 3 is also connected with dismounting handwheel 5.
The above is only preferred embodiment of the present utility model; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.

Claims (4)

1. a disassembling chains frock, is characterized in that, comprising:
Dismounting seat (1), it comprises the upper fixed seat (11) and lower fixed seat (10) that be arranged in parallel, fixed seat (11) is provided with compression screw, lower fixed seat (10) is provided with the bearing pin coaxial with described compression screw and falls hole (101), the fall aperture in hole (101) of bearing pin is greater than the diameter of the bearing pin (12) of chain, lower fixed seat (10) bottom is groove, and groove bottom land is fixed with the coaxial hold-down nut (102) in the hole (101) that to fall with described bearing pin;
Clamping sleeve (2), it is connected with described compression screw by the external screw thread of one end, is provided with the dismounting screw running through body in clamping sleeve (2);
Dismounting screw rod (7), is threaded with dismounting screw by the external screw thread on it;
Dismounting thimble (9), be fixedly connected with the lower end of described dismounting screw rod (7), dismounting thimble (9) is cylindrical, its diameter is less than the diameter of chain hinge pin (12), its length is greater than the length of bearing pin (12), and dismounting thimble (9) is coaxial with described compression screw;
Elastic locating mechanism (13), to fall hole (101) being threaded with described hold-down nut (102) through described bearing pin, it comprises locating core (131), positioning sleeve (132) and spring (133), positioning sleeve is connected with hold-down nut (102), the length that locating core (131) stretches out the upper plane of lower fixed seat (10) is less than or equal to bearing pin (12) length, the external diameter of locating core (131) is less than the external diameter of bearing pin (12), locating core (131) is coaxial with described dismounting thimble (9), locating core (131) is provided with boss, positioning sleeve is provided with dividing plate in (132), spring (133) is arranged between boss and dividing plate, dividing plate is provided with the through hole passed for locating core (131), the distance of dividing plate and positioning sleeve (132) bottom equals the length that locating core (131) stretches out the upper plane of lower fixed seat (10).
2. according to a kind of disassembling chains frock described in claim 1, it is characterized in that: the aperture of dismounting screw is greater than the external diameter of bearing pin (12).
3. according to a kind of disassembling chains frock described in claim 1, it is characterized in that: the quantity of described clamping sleeve (2), dismounting screw rod (7), dismounting thimble (9) and elastic locating mechanism (13) is respectively two, and be symmetricly set on dismounting seat (1) respectively, fixed seat (11) is provided with the compression screw that two centre-to-centre spacing equal two bearing pins (12) centre-to-centre spacing on chain link, and two clamping sleeves (2) lay respectively in two compression screws.
4. a kind of disassembling chains frock according to claim 3, it is characterized in that: also comprise synchronous driving system, described synchronous driving system comprises two driven pulleys (6) and that dismounting screw rod (7) upper end described with two is connected respectively and is positioned at the middle driving wheel (3) of two driven pulleys (6), driving wheel (3) is fixed on the drive rod (4) that is connected with upper fixed seat (11) bearing, driving wheel (3) is also connected with dismounting handwheel (5).
CN201520123783.2U 2015-03-03 2015-03-03 A kind of disassembling chains frock Expired - Fee Related CN204546420U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520123783.2U CN204546420U (en) 2015-03-03 2015-03-03 A kind of disassembling chains frock

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520123783.2U CN204546420U (en) 2015-03-03 2015-03-03 A kind of disassembling chains frock

Publications (1)

Publication Number Publication Date
CN204546420U true CN204546420U (en) 2015-08-12

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520123783.2U Expired - Fee Related CN204546420U (en) 2015-03-03 2015-03-03 A kind of disassembling chains frock

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110625359A (en) * 2019-09-24 2019-12-31 重庆爵狼摩托车配件有限公司 Riveting device for disassembling and assembling chain
CN112620576A (en) * 2020-12-30 2021-04-09 重庆爵狼摩托车配件有限公司 Chain riveting device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110625359A (en) * 2019-09-24 2019-12-31 重庆爵狼摩托车配件有限公司 Riveting device for disassembling and assembling chain
CN110625359B (en) * 2019-09-24 2021-07-13 重庆爵狼摩托车配件有限公司 Riveting device for disassembling and assembling chain
CN112620576A (en) * 2020-12-30 2021-04-09 重庆爵狼摩托车配件有限公司 Chain riveting device

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150812

Termination date: 20180303

CF01 Termination of patent right due to non-payment of annual fee