CN102303302A - Tool for disassembling and assembling shaft pins - Google Patents
Tool for disassembling and assembling shaft pins Download PDFInfo
- Publication number
- CN102303302A CN102303302A CN201110253491A CN201110253491A CN102303302A CN 102303302 A CN102303302 A CN 102303302A CN 201110253491 A CN201110253491 A CN 201110253491A CN 201110253491 A CN201110253491 A CN 201110253491A CN 102303302 A CN102303302 A CN 102303302A
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- pivot pin
- push rod
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- caliper
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Abstract
The invention discloses a tool for disassembling and assembling shaft pins. The tool comprises shaft pin disassembling pliers and shaft pin assembling pliers, wherein the shaft pin disassembling pliers and the shaft pin assembling pliers in the tool comprise pliers bodies and handles which are hinged with the pliers bodies; a through guide hole is formed in a head of each pliers body; a pushing rod is in clearance fit with the interior of the guide hole; one end of the pushing rod is hinged with the head of each handle; a through hole of which an opening is outward and into which a shaft of a shaft pin to be disassembled is inserted is formed in the head of the pliers body; clamping grooves into which two extension ends of two shaft pins to be disassembled are clamped or from which the two extension ends extend are formed at the outer end of the through hole; internal bottom walls of the two clamping grooves are flushed with internal walls of the guide holes; and when the handles are completely pressed down, end faces of free ends of the pushing rods are positioned outside the internal walls, away from the free ends of the pushing rods, of the through holes, or the end faces of the free ends of the pushing rods are flush with the internal walls of the clamping grooves which are adjacent to the free ends of the pushing rods.
Description
Technical field
The present invention relates to the hand-operated tools technical field, specifically is a kind of dismounting pivot pin instrument.
Background technology
At present, the pivot pin frock of tearing open commonly used is to use hammer and thimble, makes thimble aim at pivot pin through range estimation, uses hammer to knock thimble then pivot pin is split out from pin hole.Use the method to tear extremely inconvenience of pivot pin operation open; And can not apace pivot pin be pulled down; And when knocking thimble, be easy to accidentally injure other parts with hammer; Hammer knocks the pivot pin of pulling down be easy to jump device interior and be difficult for to take out in addition, even the place of dropping and being difficult for finding at other, causes the waste of pivot pin.
Dress pivot pin instrument commonly used is mainly to be hammer, and at first the end with pivot pin is placed in the pivot pin installing hole on the axle, uses hammer to knock the other end of pivot pin, and pivot pin is packed under the knocking of hammer in the pivot pin installing hole.Use the method dress pivot pin operate extremely inconvenience and installation rate slow, if the position of pivot pin installing hole is in the less installing space, so just can't use hammer to knock; And when knocking pivot pin, be easy to accidentally injure other parts with hammer, and use hammer to knock the installation pivot pin in addition, be easy to make the offset of axle or become flexible, thus the installation accuracy of influence axle.
Summary of the invention
The technical problem that the present invention will solve is, overcomes the defective of above prior art, provides a kind of in dismounting or easy to operate, quick when pivot pin is installed, and can not accidentally injure the dismounting pivot pin instrument of other parts.
Technical solution of the present invention is that a kind of dismounting pivot pin instrument with following structure is provided: it comprises tears pivot pin pincers and dress pivot pin pincers open,
Described tear open pivot pin pincers comprise first caliper, with the hinged first handle of first caliper; The head of said first caliper is provided with first pilot hole of a perforation; The described first pilot hole internal clearance cooperates one first push rod; The diameter of said first push rod is less than the internal diameter of the pivot pin installing hole of waiting to tear open pivot pin, and the head of an end of first push rod and first handle is hinged; The head of said first caliper is provided with an opening outwards and supply to wait to tear open first through hole that the axle of pivot pin inserts; The intersect vertical axis of the axis of first through hole and first pilot hole; And the outer end of first through hole is provided with two confessions and waits to tear open first draw-in groove that two external parts of pivot pin snap in; The length direction of said two first draw-in grooves is consistent with the length direction of first pilot hole; And the interior diapire of two first draw-in grooves and the inwall flush of first pilot hole, and first push rod free end end face of first push rod when first handle is in complete depressed state is positioned at first through hole away from the free-ended inner wall of first push rod;
Described dress pivot pin pincers comprise second caliper, with the hinged second handle of second caliper; The head of said second caliper is provided with second pilot hole of a perforation; The described second pilot hole internal clearance cooperates one second push rod, and the head of an end of second push rod and second handle is hinged; The head of said second caliper is provided with an opening outwards and second through hole that supplies the axle of pivot pin to be installed to insert; The intersect vertical axis of the axis of second through hole and second pilot hole; And the outer end of second through hole is provided with second draw-in groove that two external parts of the pivot pin that two confessions have installed skid off; The length direction of said two second draw-in grooves is consistent with the length direction of second pilot hole; And the interior diapire of two second draw-in grooves and the inwall flush of second pilot hole, and the free end end face of second push rod, second push rod when second handle is in complete depressed state with near the inwall flush of free-ended second draw-in groove of second push rod.
After adopting above structure; Dismounting pivot pin instrument of the present invention compared with prior art; Have the following advantages: this dismounting pivot pin instrument is enclosed within on the axle that has pivot pin with first through hole on the first caliper head end and two first draw-in grooves when tearing pivot pin open, and two external parts of pivot pin slip in first pilot hole through two first draw-in grooves; Depress first handle then; The head of first handle drives first push rod and moves and make pivot pin break away from the pivot pin installing hole on the axle along first pilot hole because the diameter dimension of first push rod is less than the internal diameter size of pivot pin installing hole, and first push rod when being in depressed state the free end end face of first push rod be positioned at first through hole away from the free-ended inner wall of first push rod; When depressing first handle, first push rod ejects the pivot pin in the pivot pin installing hole; Therefore the pivot pin pincers of tearing open in this dismounting pivot pin instrument are torn pivot pin open operation is very easy; And can apace pivot pin be pulled down; Improved the operating efficiency of tearing pivot pin open; The pivot pin of pulling down in addition is in first pilot hole in first caliper, thereby prevents the place that pivot pin jumps device interior or drops and be difficult for finding at other, also can not accidentally injure other parts when avoiding causing the waste of pivot pin and tearing pivot pin open;
Dress pivot pin pincers in this dismounting pivot pin instrument are when the dress pivot pin; Earlier pivot pin is placed in second pilot hole of second caliper; And an end that makes pivot pin is resisted against on the free end of second push rod, is enclosed within on the axle of pivot pin to be installed with second through hole on the second caliper head end then, when the pivot pin installing hole of pivot pin to be installed communicates with second pilot hole and during both deads in line; With second handle under the hand; The head of second handle drives second push rod and moves along second pilot hole, and the free end of second push rod promotes pivot pin and get in the pivot pin installing hole, and the free end end face of second push rod, second push rod when second handle is in complete depressed state and inwall flush near free-ended two second draw-in grooves of second push rod; When depressing second handle fully, second push rod is packed pivot pin in the pivot pin installing hole; Therefore operation is very easy to be somebody's turn to do the dress pivot pin pincers dress pivot pin of adorning in the pivot pin instrument, and can apace pivot pin be loaded onto, and improved the operating efficiency of dress pivot pin; Even the position of pivot pin installing hole is in the less installing space, as long as the head of dress pivot pin pincers can put in, just can be easily, easily pivot pin is loaded onto, and can not make the offset of axle or loosening, an installation accuracy that can not influence spool.
As a kind of improvement, it also comprises first back-moving spring, and an end of described first back-moving spring is resisted against on the madial wall of the first caliper head, and the other end of first back-moving spring is connected with madial wall at the first handle head.This first back-moving spring can reset first handle after pulling down pivot pin, thereby for tearing next pivot pin open convenience is provided.
As a kind of improvement, it also comprises second back-moving spring, and an end of described second back-moving spring is resisted against on the madial wall of the second caliper head, and the other end of second back-moving spring is connected with madial wall at the second handle head.This second back-moving spring can reset second handle, thereby for adorning next pivot pin convenience is provided behind the dress pivot pin.
As preferably; One end of said first push rod and the head of first handle are hinged; An end that is meant first push rod is fixedly connected an axis first guide pillar vertical with first push rod; The head of said first handle is provided with first breach of ccontaining first guide pillar, and the inwall of said first guide pillar and first breach is rotatably connected.
As preferably; One end of said second push rod and the head of second handle are hinged; An end that is meant second push rod is fixedly connected an axis second guide pillar vertical with second push rod; The head of said second handle is provided with second breach of ccontaining second guide pillar, and the inwall of said second guide pillar and second breach is rotatably connected.
As a kind of improvement, the two side of said first caliper is provided with two first gathering sills, and the two ends of said first guide pillar are arranged in two first gathering sills, and with the inwall matched in clearance of two first gathering sills.When depressing first handle, first guide pillar moves horizontally along two first gathering sills, thereby first push rod is being moved horizontally in first pilot hole under the effect of first guide pillar like this, makes moving of first push rod more stable, just can more accurately pivot pin be pulled down.
As a kind of improvement, the two side of said second caliper is provided with two second gathering sills, and the two ends of said second guide pillar are arranged in two second gathering sills, and with the inwall matched in clearance of two second gathering sills.Like this when depressing second handle; Second guide pillar moves horizontally along two second gathering sills; Thereby second push rod is being moved horizontally in second pilot hole under the effect of second guide pillar, make moving of second push rod more stable, just can more accurately pivot pin be installed.
As a kind of improvement; One second adjusting rod is set in said second through hole; Described adjusting rod is connected with the inner thread of second through hole, and this adjusting rod can be regulated the effective depth of second through hole easily, so just can adjust the length of axle entering second through hole of pivot pin to be installed; Thereby the pivot pin installing hole on the axle is accurately positioned in second pilot hole, the installation rate that makes pivot pin sooner, more accurate.
Description of drawings
Fig. 1 is the structural representation of tearing the pivot pin pincers open of dismounting pivot pin instrument of the present invention.
Fig. 2 is the sectional structure sketch map of tearing the pivot pin pincers open of dismounting pivot pin instrument of the present invention.
Fig. 3 is the structural representation of the dress pivot pin pincers of dismounting pivot pin instrument of the present invention.
Fig. 4 is the sectional structure sketch map of the dress pivot pin pincers of dismounting pivot pin instrument of the present invention.
Fig. 5 is the head construction sketch map of tearing the pivot pin pincers open of dismounting pivot pin instrument of the present invention.
As shown in the figure:
101, first caliper, 102, first handle, 103, first through hole, 104, first push rod; 105, first pilot hole, 106, first draw-in groove, 107, first breach, 108, first guide pillar; 109, first gathering sill, 110, first back-moving spring, 111, first hinge pin;
201, first caliper, 202, first handle, 203, first through hole, 204, first push rod; 205, first pilot hole, 206, first draw-in groove, 207, first breach, 208, first guide pillar; 209, first gathering sill, 210, first back-moving spring, 211, first hinge pin;
12, axle, 13, the pivot pin installing hole, 14, pivot pin, 15, adjusting rod.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the present invention is done further detailed explanation.
Like Fig. 1, Fig. 2 and shown in Figure 5,
The pivot pin pincers torn open of dismounting pivot pin instrument of the present invention comprise first caliper 101, the first handle 102 hinged with first caliper 101; The head of said first caliper 101 is provided with first pilot hole 105 of a perforation; Described first pilot hole, 105 internal clearances cooperate one first push rod 104; The diameter of said first push rod 104 is less than the internal diameter of the pivot pin installing hole 13 of waiting to tear open pivot pin 14, and the head of an end of first push rod 104 and first handle 102 is hinged; The head of said first caliper 101 is provided with an opening outwards and supply to wait to tear open first through hole 103 that the axle 12 of pivot pin 14 inserts; The intersect vertical axis of the axis of first through hole 103 and first pilot hole 105; And the outer end of first through hole 103 is provided with two confessions and waits to tear open first draw-in groove 106 that two external parts of pivot pin 14 snap in; The length direction of said two first draw-in grooves 106 is consistent with the length direction of first pilot hole 105; And the inwall flush of the interior diapire of two first draw-in grooves 106 and first pilot hole 105; And the free end end face of first push rod 104, first push rod 104 when first handle 102 is in complete depressed state is positioned at first through hole 103 away from first push rod, 104 free-ended inner wall; The free end of first push rod 104 passed first through hole 103 along the diametric(al) of first through hole 103 when in other words, first push rod 104 was in depressed state.
Said first handle 102 is hinged on first caliper 101 through first hinge pin 111.
It also comprises first back-moving spring 110, and an end of said first back-moving spring 110 is resisted against on the madial wall of first caliper, 101 heads, and the other end of first back-moving spring 110 is connected with the madial wall of first handle 102 heads.
One end of said first push rod 104 is fixedly connected first guide pillar 108 of the axis normal of an axis and first push rod 104; The head of said first handle 102 is provided with first breach 107 of ccontaining first guide pillar 108, and the inwall of said first guide pillar 108 and first breach 107 is rotatably connected.
The two side of said first caliper 101 is provided with two first gathering sills 109, and the two ends of said first guide pillar 108 are arranged in two first gathering sills 109, and with the inwall matched in clearance of first gathering sill 109.
Like Fig. 3 and shown in Figure 4; The dress pivot pin of dismounting pivot pin instrument of the present invention pincers comprise second caliper 201, the second handle 202 hinged with second caliper 201; The head of said second caliper 201 is provided with second pilot hole 205 of a perforation; Described second pilot hole, 205 internal clearances cooperate one second push rod 204, and the head of an end of second push rod 204 and second handle 202 is hinged; The head of said second caliper 201 is provided with an opening outwards and second through hole 203 that supplies the axle 12 of pivot pin 14 to be installed to insert; The intersect vertical axis of the axis of second through hole 203 and second pilot hole 205; And the outer end of second through hole 203 is provided with second draw-in groove 206 that two external parts of the pivot pin 14 that two confessions have installed skid off; The length direction of said two second draw-in grooves 206 is consistent with the length direction of second pilot hole 205; And the inwall flush of the interior diapire of two second draw-in grooves 206 and second pilot hole 205, and the free end end face of second push rod 204, second push rod 204 when second handle 202 is in complete depressed state with near the inwall flush of second push rod, 204 free-ended second draw-in grooves 206.
Said second handle 202 is hinged on first caliper 201 through second hinge pin 211.
It also comprises second back-moving spring 210, and an end of said second back-moving spring 210 is resisted against on the madial wall of second caliper, 201 heads, and the other end of second back-moving spring 210 is connected with the madial wall of second handle 202 heads.
One end of said second push rod 204 is fixedly connected second guide pillar 208 of the axis normal of an axis and second push rod 204; The head of said second handle 202 is provided with second breach 207 of ccontaining second guide pillar 208, and the inwall of said second guide pillar 208 and second breach 207 is rotatably connected.
The two side of said second caliper 201 is provided with two second gathering sills 209, and the two ends of said second guide pillar 208 are arranged in two second gathering sills 209, and with the inwall matched in clearance of second gathering sill 209.
In said second through hole 203 adjusting rod 15 is set, described adjusting rod 15 is connected with the inner thread of second through hole 203.
Claims (8)
1. dismounting pivot pin instrument, it comprises tears pivot pin pincers and dress pivot pin pincers open, it is characterized in that:
Described tear open pivot pin pincers comprise first caliper (101), with the hinged first handle (102) of first caliper (101); The head of said first caliper (101) is provided with first pilot hole (105) of a perforation; Described first pilot hole (105) internal clearance cooperates one first push rod (104); The diameter of said first push rod (104) is less than the internal diameter of the pivot pin installing hole (13) of pivot pin to be torn open (14), and the head of an end of first push rod (104) and first handle (102) is hinged; The head of said first caliper (101) is provided with first through hole (103) that opening axle (12) outside and confession pivot pin to be torn open (14) inserts; The intersect vertical axis of the axis of first through hole (103) and first pilot hole (105); And the outer end of first through hole (103) is provided with first draw-in groove (106) that two external parts of two confession pivot pins to be torn open (14) snap in; The length direction of said two first draw-in grooves (106) is consistent with the length direction of first pilot hole (105); And the inwall flush of the interior diapire of two first draw-in grooves (106) and first pilot hole (105), and first push rod (104) is positioned at first through hole (103) away from the free-ended inner wall of first push rod (104) at the free end end face of first handle (102) first push rod (104) when being in complete depressed state;
Described dress pivot pin pincers comprise second caliper (201), with the hinged second handle (202) of second caliper (201); The head of said second caliper (201) is provided with second pilot hole (205) of a perforation; Described second pilot hole (205) internal clearance cooperates one second push rod (204), and the head of an end of second push rod (204) and second handle (202) is hinged; The head of said second caliper (201) is provided with an opening outwards and supply second through hole (203) of axle (12) insertion of pivot pin to be installed (14); The intersect vertical axis of the axis of second through hole (203) and second pilot hole (205); And the outer end of second through hole (203) is provided with second draw-in groove (206) that two external parts of the pivot pin (14) that two confessions have installed skid off; The length direction of said two second draw-in grooves (206) is consistent with the length direction of second pilot hole (205); And the inwall flush of the interior diapire of two second draw-in grooves (206) and second pilot hole (205), and second push rod (204) is in the free end end face of second handle (202) second push rod (204) when being in complete depressed state and inwall flush near free-ended second draw-in groove of second push rod (204) (206).
2. dismounting pivot pin instrument according to claim 1; It is characterized in that: it also comprises first back-moving spring (110); One end of said first back-moving spring (110) is resisted against on the madial wall of first caliper (101) head, and the other end of first back-moving spring (110) is connected with the madial wall of first handle (102) head.
3. dismounting pivot pin instrument according to claim 1; It is characterized in that: it also comprises second back-moving spring (210); One end of said second back-moving spring (210) is resisted against on the madial wall of second caliper (201) head, and the other end of second back-moving spring (210) is connected with the madial wall of second handle (202) head.
4. dismounting pivot pin instrument according to claim 1; It is characterized in that: an end of said first push rod (104) is fixedly connected first guide pillar (108) of the axis normal of an axis and first push rod (104); The head of said first handle (102) is provided with first breach (107) of ccontaining first guide pillar (108), and said first guide pillar (108) is rotatably connected with the inwall of first breach (107).
5. dismounting pivot pin instrument according to claim 1; It is characterized in that: an end of said second push rod (204) is fixedly connected second guide pillar (208) of the axis normal of an axis and second push rod (204); The head of said second handle (202) is provided with second breach (207) of ccontaining second guide pillar (208), and said second guide pillar (208) is rotatably connected with the inwall of second breach (207).
6. dismounting pivot pin instrument according to claim 4; It is characterized in that: the two side of said first caliper (101) is provided with two first gathering sills (109); The two ends of said first guide pillar (108) are arranged in two first gathering sills (109), and with the inwall matched in clearance of first gathering sill (109).
7. dismounting pivot pin instrument according to claim 5; It is characterized in that: the two side of said second caliper (201) is provided with two second gathering sills (209); The two ends of said second guide pillar (208) are arranged in two second gathering sills (209), and with the inwall matched in clearance of second gathering sill (209).
8. dismounting pivot pin instrument according to claim 1 is characterized in that: an adjusting rod (15) is set in said second through hole (203), and described adjusting rod (15) is connected with the inner thread of second through hole (203).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110253491 CN102303302B (en) | 2011-08-31 | 2011-08-31 | Tool for disassembling and assembling shaft pins |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110253491 CN102303302B (en) | 2011-08-31 | 2011-08-31 | Tool for disassembling and assembling shaft pins |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102303302A true CN102303302A (en) | 2012-01-04 |
| CN102303302B CN102303302B (en) | 2013-08-07 |
Family
ID=45377269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110253491 Expired - Fee Related CN102303302B (en) | 2011-08-31 | 2011-08-31 | Tool for disassembling and assembling shaft pins |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102303302B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112792784A (en) * | 2021-01-29 | 2021-05-14 | 神华神东煤炭集团有限责任公司 | Cotter assembling device |
| CN112958720A (en) * | 2021-01-29 | 2021-06-15 | 神华神东煤炭集团有限责任公司 | Split pin press-fitting pliers |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US952333A (en) * | 1908-06-01 | 1910-03-15 | Otter Johnson | Stitch-removing punch. |
| US2837948A (en) * | 1955-02-25 | 1958-06-10 | Waldes Kohinoor Inc | Retaining-ring applying tools |
| US4365411A (en) * | 1980-08-28 | 1982-12-28 | Bivar, Inc. | Method and means for insertion of inserts into a hole of a predrilled board |
| US4497321A (en) * | 1982-06-01 | 1985-02-05 | Fearing Manufacturing Co., Inc. | Ear tag applicators |
| CN200974226Y (en) * | 2006-11-30 | 2007-11-14 | 重庆长安汽车股份有限公司 | Special mounting jig for hinge pin |
-
2011
- 2011-08-31 CN CN 201110253491 patent/CN102303302B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US952333A (en) * | 1908-06-01 | 1910-03-15 | Otter Johnson | Stitch-removing punch. |
| US2837948A (en) * | 1955-02-25 | 1958-06-10 | Waldes Kohinoor Inc | Retaining-ring applying tools |
| US4365411A (en) * | 1980-08-28 | 1982-12-28 | Bivar, Inc. | Method and means for insertion of inserts into a hole of a predrilled board |
| US4497321A (en) * | 1982-06-01 | 1985-02-05 | Fearing Manufacturing Co., Inc. | Ear tag applicators |
| CN200974226Y (en) * | 2006-11-30 | 2007-11-14 | 重庆长安汽车股份有限公司 | Special mounting jig for hinge pin |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112792784A (en) * | 2021-01-29 | 2021-05-14 | 神华神东煤炭集团有限责任公司 | Cotter assembling device |
| CN112958720A (en) * | 2021-01-29 | 2021-06-15 | 神华神东煤炭集团有限责任公司 | Split pin press-fitting pliers |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102303302B (en) | 2013-08-07 |
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Granted publication date: 20130807 Termination date: 20160831 |