CN109093555A - Chain-plate pin extracting tool - Google Patents
Chain-plate pin extracting tool Download PDFInfo
- Publication number
- CN109093555A CN109093555A CN201810990915.XA CN201810990915A CN109093555A CN 109093555 A CN109093555 A CN 109093555A CN 201810990915 A CN201810990915 A CN 201810990915A CN 109093555 A CN109093555 A CN 109093555A
- Authority
- CN
- China
- Prior art keywords
- handle
- chain
- plate pin
- collet
- fastener
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
Abstract
This disclosure relates to a kind of chain-plate pin extracting tool, first handle and second handle including being hinged and being formed scissors structure, the end of first handle is connected with the first collet, the end of second handle is connected with for the second collet with the first grips drag chain, ejection piece for ejecting chain-plate pin is installed, one of first handle and second handle are equipped with locking piece so that first handle lockably rotates on the first collet.Through the above technical solutions, operation first handle and second handle, the ejection piece of the first collet is withstood on chain-plate pin, and when continuing to rotate first handle, in the case where the second collet provides support force from opposite side, ejection piece can eject chain-plate pin.During first handle rotation, it can lockably be rotated under the action of locking piece, avoid arbitrarily shaking.The extracting tool structure is simple, can conveniently dismantle chain-plate pin, and removal efficiency is high, substantially increases manually-operated safety.
Description
Technical field
This disclosure relates to field of chains, and in particular, to a kind of chain-plate pin extracting tool.
Background technique
Drag chain is a kind of chain for being mainly used for moving back and forth occasion, is made of numerous unit links, and each chain
It is rotated freely between section by carrier bar pin connection.However, drag chain inevitably will appear abrasion or damage under prolonged operating
The case where, drag chain abrasion will lead to chain relaxation, and abrasion or damage can all influence the normal operation of equipment, and therefore, it is necessary to remove
Chain-plate pin is repaired or replaced.In the prior art, usually hand-held screwdriver is directed at chain-plate pin, then constantly taps spiral shell with hammer
Silk knife end, is knocked out until by chain-plate pin.Chain-plate pin is dismantled using such mode, disassembly is difficult, and there are security risks.
Summary of the invention
Purpose of this disclosure is to provide a kind of chain-plate pin extracting tools, to solve the problems, such as that chain-plate pin disassembly is difficult.
To achieve the goals above, the disclosure provides a kind of chain-plate pin extracting tool, including is hinged and forms scissors
The first handle and second handle of structure, the end of the first handle are connected with the first collet, the end of the second handle
It is connected with for the second collet with the first grips drag chain, is equipped on first collet for ejecting the chain
The ejection piece of plate pin, one of the first handle and the second handle are equipped with locking piece so that the first handle can
The rotation of locking ground.
Optionally, the locking piece includes the fastener with multiple unidirectional teeth, and the fastener is rotatably connected to
On one of the first handle and the second handle, the setting of the other of the first handle and the second handle
There is pawl, the pawl can be locked in the unidirectional tooth and be directed away from the second handle to limit the first handle
Direction rotation.
Optionally, the fastener is mounted on the first handle or the second handle by return spring, described
Return spring has the elastic force for driving the fastener to rotate towards the direction engaged by the pawl.
Optionally, the locking piece further includes the operation being connect with the fastener for driving the fastener rotation
Portion.
Optionally, the first handle is formed with the inside groove that is open, and the operation portion is partly accommodated in described recessed
In slot, the fastener is through the second handle.
Optionally, rubber sleeve is arranged on the operation portion.
Optionally, the arragement direction of multiple unidirectional teeth of the fastener is formed as with the first handle and described
The hinged place of second handle is the arc-shaped in the center of circle.
Optionally, the holding tank to match with the chain-plate pin size is provided on second collet.
Optionally, first collet is detachably arranged in the first handle end.
Optionally, second collet is detachably arranged in the second handle end.
Through the above technical solutions, operation first handle and second handle, are dragging the first collet and the second grips
The ejection piece of chain two sides, the first collet is withstood on chain-plate pin, when continuing to rotate first handle, provides branch from opposite side in the second collet
In the case where support force, ejection piece can eject chain-plate pin.It, can be under the action of locking piece during first handle rotation
It lockably rotates, i.e., will not be sprung back when first handle turns to certain position towards second handle, avoid arbitrarily shaking.It should
Extracting tool structure is simple, can conveniently dismantle chain-plate pin, and removal efficiency is high, substantially increases manually-operated safety
Property.
Other feature and advantage of the disclosure will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
Attached drawing is and to constitute part of specification for providing further understanding of the disclosure, with following tool
Body embodiment is used to explain the disclosure together, but does not constitute the limitation to the disclosure.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of the chain-plate pin extracting tool provided according to one illustrative embodiments of the disclosure；
Fig. 2 is the structural schematic diagram of the first collet provided according to one illustrative embodiments of the disclosure；
Fig. 3 is the structural schematic diagram of the second collet provided according to one illustrative embodiments of the disclosure.
Description of symbols
1 first handle, 2 second handle
21 pawl, 3 first collet
31 ejection piece, 4 second collet
41 holding tank, 51 fastener
52 operation portion, 521 rubber sleeve
Specific embodiment
It is described in detail below in conjunction with specific embodiment of the attached drawing to the disclosure.It should be understood that this place is retouched
The specific embodiment stated is only used for describing and explaining the disclosure, is not limited to the disclosure.
In the disclosure, in the absence of explanation to the contrary, the noun of locality used such as "inner", "outside" are for corresponding zero
For profile of component itself；The term " first " that uses, " second " are in order to distinguish an element and another element, no
With succession and importance.In the following description when referring to the accompanying drawings, unless otherwise indicated, the same tag in different attached drawings represents
The same or similar element.
As shown in Figure 1, the disclosure provides a kind of chain-plate pin extracting tool, which includes being hinged and forming scissors knot
The first handle 1 and second handle 2 of structure, the end of first handle 1 are connected with the first collet 3, and the end of second handle 2 is connected with
For the second collet 4 with the first collet 3 clamping drag chain, as shown in Fig. 2, being equipped on the first collet 3 for ejecting chain-plate pin
Ejection piece 31.When dismantling chain-plate pin, first handle 1 and second handle 2 are operated, clamps the first collet 3 and the second collet 4
In drag chain two sides, when continuing to rotate first handle 1, in the case where the second collet 4 provides support force from opposite side, 31 energy of ejection piece
Enough eject chain-plate pin.In the disclosure, one of first handle 1 and second handle 2 are equipped with locking piece so that first handle 1 can
The rotation of locking ground, that is, referring to will not spring back when first handle 1 turns to certain position towards second handle 2, avoid arbitrarily shaking
It is dynamic.More specifically, first handle 1 can only rotate under the driving of operator towards the direction of second handle 2, i.e. towards top
Part 31 can eject the direction of chain-plate pin out.
The chain-plate pin extracting tool that the disclosure provides uses scissors structure, and the simple and robust stabilization of structure can be conveniently fast
Chain-plate pin is dismantled promptly, and removal efficiency is high, substantially increases manually-operated safety.The extracting tool of the embodiment of the present disclosure
In, the length of the handgrip part of handle can be greater than the length of handle installation chuck position and the length summation of collet, in this way, making
It can provide biggish torque with lesser power rotational handle, it is time saving and energy saving to operate, it is easier to dismantle chain-plate pin.It needs
Bright, the surface area for being less than chain-plate pin with the surface area of the end face of carrier bar pin contacts of ejection piece 31 can guarantee in this way
The end face of ejection piece 31 can all withstand on chain-plate pin and then chain-plate pin is ejected drag chain.According to the disclosure embodiment party
Formula, ejection piece 31 can be bolt, can offer on the first collet 3 with the matched threaded hole of bolt, i.e., so that ejection piece 31
It is removably mounted on the first collet 3.
According to an embodiment of the present disclosure, as shown in figures 1 and 3, can be set on the second collet 4 and chain-plate pin
The holding tank 41 that size matches.When ejection piece 31 ejects chain-plate pin, chain-plate pin can be headed into holding tank 41, in this way, both
It can be convenient chain-plate pin recycling, also avoid chain-plate pin from collapsing under biggish ejecting force effect out, threaten personal safety.Referring to Fig.1,
Second collet 4 is formed as U-shaped structure, and the middle opening of U-shaped is holding tank 41, both ends be respectively used to support on drag chain with
Support force is provided.
In the disclosure, the first collet 3 is removably mounted on the end of first handle 1, the second removably installation of collet 4
In 2 end of second handle.As shown in Figure 1 to Figure 3, on the first collet 3, the second collet 4, first handle 1 and second handle 2
To offer mounting hole, collet can be mounted on the end of handle by bolt.It, can be with when dismantling various sizes of chain-plate pin
First collet 3 of ejection piece 31 of the replacement with corresponding size and the second collet 4 of the holding tank 41 with corresponding size.Using
Dismountable mode allows the chain-plate pin extracting tool to dismantle the chain-plate pin of various sizes.
Locking piece can be arranged by any suitable mode, for example, the hinged place of first handle 1 and second handle 2
The very big shaft of coefficient of friction can be chosen, which is formed as one with first handle 1 or second handle 2, in this way when first
Handle 1 and second handle 2 when being rotated by certain angle, are able to maintain in current location in operator, will not
It arbitrarily shakes, only when operator continues to external force, can just relatively rotate.For another example, the disclosure provides a kind of benefit
With the locking piece of ratchet self-locking function.Specifically, as shown in Figure 1, locking piece, which may include, has the fastener of multiple unidirectional teeth
51, fastener 51 is rotatably connected on one of first handle 1 and second handle 2, first handle 1 and second handle 2
The other of pawl 21 can be set, pawl 21 can be locked in unidirectional tooth to limit first handle 1 and be directed away from
The direction of two handles 2 rotates.In the following, the disclosure is rotatably connected on first handle 1 with fastener 51, the setting of pawl 21 exists
It is described on second handle 2, as shown in Figure 1, fastener 51 can be rotatably connected on first handle 1, pawl
21 are arranged on second handle 2, are clamped in the first collet 3 and the second collet 4 in operation first handle 1 and second handle 2 and drag
During chain two sides, first handle 1 and second handle 2, will not be due to maloperations under the action of fastener 51 and pawl 21
It is rotated to the direction deviated from, when the second collet 4 withstands on drag chain side, need to only continue to rotate first handle 1 pushes up ejection piece 31
Chain-plate pin out, in whole process, unidirectional tooth and pawl 21 by fastener 51 are limited, and handle will not occur inversely to grasp
Make, and then guarantees the stability of operating process.
In order to keep extracting tool operation more stable, the arragement direction of multiple unidirectional teeth of fastener 51 can be formed as
Using the hinged place of first handle 1 and second handle 2 as the arc-shaped in the center of circle.In this way, in first handle 1 using the hinged place as the center of circle
When rotation, fastener 51 can also be rotated by the center of circle of the hinged place, so that the pawl 21 on fastener 51 and second handle 2 cooperates
It is more stable, make its locking effect more preferably.
During fastener 51 and pawl 21 cooperate, the needs of pawl 21 are successively detached from each unidirectional indented joint again,
After pawl 21 and a unidirectional tooth are detached from, need to rotate fastener 51 and pawl 21 is made to can extend into next unidirectional tooth
In, the rotation of fastener 51 can be manually completed by operator, can also be realized automatically by elastic component.Specifically, originally
In open, fastener 51 can be mounted on first handle 1 or second handle 2 by return spring, specifically in reality shown in fig. 1
It applies in mode, fastener 51 is mounted on first handle 1 by return spring, which can be to be mounted on fastener 51
Shaft on torsionspring.Specifically, there is return spring driving fastener 51 to rotate towards the direction engaged by pawl 21
Elastic force, i.e., as shown in Figure 1, return spring have so that the trend that fastener 51 rotates counterclockwise, the rotation of fastener 51
The center of circle is the hinge joint of itself and first handle 1.In operation first handle 1 and second handle 2 close to each other, pawl 21 is from fastener
During 51 tooth to next tooth, fastener 51 can be first under the action of pawl 21 to the direction far from pawl 21
It rotates (i.e. being rotated clockwise in Fig. 1), and is then rotated under the action of the return spring to towards the direction engaged by pawl 21
(i.e. rotating counterclockwise in Fig. 1) so that pawl 21 cooperates always with fastener 51, and then realizes that first handle 1 lockably turns
It is dynamic.
In order to easy to operate, as shown in Figure 1, locking piece can also include connecting with fastener 51 for driving fastener 51
The operation portion 52 of rotation.Operation portion 52 can be formed as one with fastener 51, for example, operation portion 52 can be in fastener 51
One end bending, locking piece can be mounted on first handle 1 in bending place by above-mentioned return spring, when tearing open using the disclosure
When unloading the complete chain-plate pin of tool ejector, counterclockwise turning operation portion 52 makes fastener 51 be detached from pawl 21, and rotates first-hand
Handle 1 separates the first collet 3 and the second collet 4, makes to withdraw from drag chain two sides.When dismantling chain-plate pin again, 51 meeting of fastener
It is above-mentioned return spring is installed in the case where automatically return to pawl 21 cooperate position, in the feelings for being fitted without return spring
It, can be with 52 return of manual rotation operation portion under condition.Specifically, rubber sleeve 521 can be arranged on operation portion 52.Rubber sleeve 521
It is anti-skidding easily to hold, and comfort level when increase rotating operating unit 52.
In the embodiment of the present disclosure, first handle 1 could be formed with the inside groove that is open, and operation portion 52 can partially be held
It is contained in groove, dismantlement work can be interfered to avoid operation portion 52, reduce the volume that dismantling device takes up space.Fastener 51 can
With through second handle 2, such fastener 51 can only occur using hinged place as the rotation in the center of circle, without to other
The offset in direction guarantees the stability of tool operation.
The preferred embodiment of the disclosure is described in detail in conjunction with attached drawing above, still, the disclosure is not limited to above-mentioned reality
The detail in mode is applied, in the range of the technology design of the disclosure, a variety of letters can be carried out to the technical solution of the disclosure
Monotropic type, these simple variants belong to the protection scope of the disclosure.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, can be combined in any appropriate way, in order to avoid unnecessary repetition, the disclosure to it is various can
No further explanation will be given for the combination of energy.
In addition, any combination can also be carried out between a variety of different embodiments of the disclosure, as long as it is without prejudice to originally
Disclosed thought equally should be considered as disclosure disclosure of that.
Claims (10)
1. a kind of chain-plate pin extracting tool, which is characterized in that including be hinged and formed scissors structure first handle (1) and
The end of second handle (2), the first handle (1) is connected with the first collet (3), the end connection of the second handle (2)
There is the second collet (4) for clamping drag chain with first collet (3), is equipped on first collet (3) for ejecting
The ejection piece (31) of the chain-plate pin, one of the first handle (1) and the second handle (2) be equipped with locking piece with
Rotate the first handle (1) lockably.
2. chain-plate pin extracting tool according to claim 1, which is characterized in that the locking piece includes with multiple unidirectional
The fastener (51) of tooth, the fastener (51) are rotatably connected in the first handle (1) and the second handle (2)
One of on, the other of the first handle (1) and the second handle (2) are provided with pawl (21), the pawl
(21) it can be locked in the unidirectional tooth to limit the direction that the first handle (1) is directed away from the second handle (2)
Rotation.
3. chain-plate pin extracting tool according to claim 2, which is characterized in that the fastener (51) passes through return spring
It is mounted on the first handle (1) or the second handle (2), the return spring, which has, drives fastener (51) court
The elastic force rotated to the direction engaged by the pawl (21).
4. chain-plate pin extracting tool according to claim 2 or 3, which is characterized in that the locking piece further include with it is described
Operation portion (52) of fastener (51) connection for driving the fastener (51) to rotate.
5. chain-plate pin extracting tool according to claim 4, which is characterized in that the first handle (1) is formed with opening
Inside groove, the operation portion (52) are partly accommodated in the groove, and the fastener (51) is through described second
Handle (2).
6. chain-plate pin extracting tool according to claim 4, which is characterized in that be arranged with rubber on the operation portion (52)
It covers (521).
7. chain-plate pin extracting tool according to claim 2, which is characterized in that multiple lists of the fastener (51)
Be formed as to the arragement direction of tooth using the hinged place of the first handle (1) and the second handle (2) as the arc-shaped in the center of circle.
8. chain-plate pin extracting tool according to claim 1, which is characterized in that be provided on second collet (4) with
The holding tank (41) that the chain-plate pin size matches.
9. chain-plate pin extracting tool according to claim 1, which is characterized in that first collet (3) is removably pacified
Mounted in the first handle (1) end.
10. chain-plate pin extracting tool according to claim 1, which is characterized in that second collet (4) is removably pacified
Mounted in the second handle (2) end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810990915.XA CN109093555B (en) | 2018-08-28 | 2018-08-28 | Chain plate pin dismounting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810990915.XA CN109093555B (en) | 2018-08-28 | 2018-08-28 | Chain plate pin dismounting tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109093555A true CN109093555A (en) | 2018-12-28 |
| CN109093555B CN109093555B (en) | 2023-08-25 |
Family
ID=64864141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810990915.XA Active CN109093555B (en) | 2018-08-28 | 2018-08-28 | Chain plate pin dismounting tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109093555B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113635260A (en) * | 2021-09-08 | 2021-11-12 | 上汽依维柯红岩商用车有限公司 | Tool for pulling and pulling pre-installed trolley positioning pin |
| CN114346956A (en) * | 2021-12-20 | 2022-04-15 | 贵州电网有限责任公司 | M pin dismounting device and operation method thereof |
| CN114842763A (en) * | 2022-05-11 | 2022-08-02 | 冠捷电子科技(福建)有限公司 | Be applied to independent instrument of LED display screen module after-maintenance |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB290510A (en) * | 1927-11-01 | 1928-05-17 | Reginald Sidney Carr | Improved appliance for gripping articles in places difficult of access |
| CN1103828A (en) * | 1993-08-20 | 1995-06-21 | 武尔康洛克林公司 | Handtong for assemblage |
| CN201120592Y (en) * | 2007-12-10 | 2008-09-24 | 李强 | Enlarging, compressing and dissembling combination tool for mounting tube |
| US7430849B1 (en) * | 2008-05-16 | 2008-10-07 | Practical Inventions, Llc | Conveyor chain pin remover |
| CN103419171A (en) * | 2013-08-09 | 2013-12-04 | 安徽全柴动力股份有限公司 | Special tool for diesel engine air cylinder cover locating pin disassembling |
| CN203853901U (en) * | 2014-05-20 | 2014-10-01 | 辽宁工业大学 | Multifunctional pliers |
-
2018
- 2018-08-28 CN CN201810990915.XA patent/CN109093555B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB290510A (en) * | 1927-11-01 | 1928-05-17 | Reginald Sidney Carr | Improved appliance for gripping articles in places difficult of access |
| CN1103828A (en) * | 1993-08-20 | 1995-06-21 | 武尔康洛克林公司 | Handtong for assemblage |
| CN201120592Y (en) * | 2007-12-10 | 2008-09-24 | 李强 | Enlarging, compressing and dissembling combination tool for mounting tube |
| US7430849B1 (en) * | 2008-05-16 | 2008-10-07 | Practical Inventions, Llc | Conveyor chain pin remover |
| CN103419171A (en) * | 2013-08-09 | 2013-12-04 | 安徽全柴动力股份有限公司 | Special tool for diesel engine air cylinder cover locating pin disassembling |
| CN203853901U (en) * | 2014-05-20 | 2014-10-01 | 辽宁工业大学 | Multifunctional pliers |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113635260A (en) * | 2021-09-08 | 2021-11-12 | 上汽依维柯红岩商用车有限公司 | Tool for pulling and pulling pre-installed trolley positioning pin |
| CN114346956A (en) * | 2021-12-20 | 2022-04-15 | 贵州电网有限责任公司 | M pin dismounting device and operation method thereof |
| CN114842763A (en) * | 2022-05-11 | 2022-08-02 | 冠捷电子科技(福建)有限公司 | Be applied to independent instrument of LED display screen module after-maintenance |
| CN114842763B (en) * | 2022-05-11 | 2023-05-12 | 冠捷电子科技(福建)有限公司 | Be applied to independent instrument of LED display screen module post-maintenance |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109093555B (en) | 2023-08-25 |
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