CN203835940U - Articulated shaft device and clamp using same - Google Patents
Articulated shaft device and clamp using same Download PDFInfo
- Publication number
- CN203835940U CN203835940U CN201420092709.4U CN201420092709U CN203835940U CN 203835940 U CN203835940 U CN 203835940U CN 201420092709 U CN201420092709 U CN 201420092709U CN 203835940 U CN203835940 U CN 203835940U
- Authority
- CN
- China
- Prior art keywords
- hinging shaft
- shaft body
- ring structure
- baffle ring
- perforation
- 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
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- Clamps And Clips (AREA)
Abstract
The utility model discloses an articulated shaft device and a clamp using same. The articulated shaft device comprises an articulated shaft body, and the outer peripheral surface of at least one end of the articulated shaft body is provided with a blocking step facing to the other end. The articulated shaft device also comprises a check ring structure which is assembled on the articulated shaft body in an anti-loosening manner and used for being matched with an orifice edge of a perforation through which the articulated shaft body is penetrated in a blocking fit manner to prevent the articulated shaft body from falling off the perforation. The check ring structure is provided with two jacking press blocking surfaces in jacking press blocking fit with a step surface of the blocking step and the orifice edge of the perforation. Axial acting force is transmitted to the articulated shaft body by the check ring structures so as to realize anti-loosening limit to the articulated shaft body, and strength of jacking press blocking fit of the check ring structure and the step surface of the blocking step of the articulated shaft body is relatively high, so that the service life of the articulated shaft device can be prolonged.
Description
Technical field
The utility model relates to a kind of hinging shaft device and uses the clamp of this hinging shaft device.
Background technique
Existingly for lifting by crane the clamp of article, need to realize the hinge mounted between the arm such as torque arm, jig arm in clamp with hinging shaft more.During use, by corresponding being installed in the perforation that corresponding arm is provided with of hinging shaft, hinging shaft and arm are rotatably assorted, and complete the hinge mounted of corresponding two arms.
On hinging shaft, be typically provided with for hinging shaft being carried out to the spacing disconnecting prevention structure to prevent that hinging shaft from deviating from from corresponding perforation on hinging shaft is axial, disconnecting prevention structure generally includes one and is located at the block convex edge of hinging shaft one end and spinning at the block nut of the hinging shaft the other end, in the time of in hinging shaft is installed on to perforation, by block flange and block nut, along block, coordinate to prevent that hinging shaft from deviating from from perforation with the aperture at perforation two ends respectively.
Because the arm of clamp often can collide block nut in the turning course around hinging shaft; block nut can bear axial force; axial force acts on the internal thread and the outside thread on hinging shaft of block nut the most at last; after using a period of time or while running into greater impact; internal and external threads is easily damaged, and then affects the normal service life of hinging shaft device.
Model utility content
The purpose of this utility model is to provide a kind of hinging shaft device, with the internal and external threads solving on the articulated mounting existing in prior art, is easily damaged and affects the hinging shaft technical problem in working life; Meanwhile, the utility model also provides a kind of clamp that uses above-mentioned hinging shaft device.
For achieving the above object, the technological scheme of hinging shaft device provided by the utility model is: hinging shaft device, comprise hinging shaft body, the outer circumferential face of at least one end of described hinging shaft body is provided with step surface towards the block step of the other end, hinging shaft device also comprise anticreep be assemblied on described hinging shaft body for coordinating to prevent that along block hinging shaft body from deviating from the back-up ring structure of perforation with the aperture that is coated with the perforation of described hinging shaft body, back-up ring structure has two tops that are respectively used to press block to coordinate along top with the step surface of described block step and the aperture of described perforation and presses stopping surface.
Described back-up ring structure is fixedly spliced to form by least two baffle rings that circumferentially extend around hinging shaft body.
Described back-up ring structure consists of two semicircular baffle ring docking.
The two end part of each described baffle ring respectively with the corresponding end docking of adjacent baffle ring, each baffle ring overlaps banding to be fixedly spliced to form described back-up ring structure by the C type elastic cuffs or the circular, hoop that are sleeved on each baffle ring outside, and described C type elastic cuffs or circular, hoop cover have the identical corresponding inner peripheral surface of outer circumferential face with described each baffle ring.
Each described baffle ring overlaps banding to form described back-up ring structure by described circular, hoop, the corresponding end that is provided with described block step of described hinging shaft body is dismantled and assembled is furnished with end cap, described circular cuff be described end cap be provided with along described hinging shaft body shaft to towards described each baffle ring, extend for being sleeved on the sleeve sections of described each baffle ring outside each baffle ring of banding.
The outer circumferential face of described hinging shaft body be provided with around hinging shaft body, circumferentially extend for the annular groove of described back-up ring structure is installed, annular groove have along the axial distribution of hinging shaft body for pressing the spacing both sides trough wall surface of stopping surface blocks with two tops of described back-up ring structure, one of them trough wall surface is the step surface of described block step.
The technological scheme of the clamp of the above-mentioned hinging shaft device of use provided by the utility model is: clamp, comprise by the arm of hinging shaft device hinge mounted, hinging shaft device comprises hinging shaft body, arm is provided with the perforation installing for hinging shaft body, the outer circumferential face of at least one end of described hinging shaft body is provided with step surface towards the block step of the other end, hinging shaft device also comprise anticreep be assemblied on described hinging shaft body for coordinating to prevent that along block hinging shaft body from deviating from the back-up ring structure of perforation with the aperture that is coated with the perforation of described hinging shaft body, back-up ring structure has two tops that are respectively used to press block to coordinate along top with the step surface of described block step and the aperture of described perforation and presses stopping surface.
Described back-up ring structure is fixedly spliced to form by least two baffle rings that circumferentially extend around hinging shaft body.
Described back-up ring structure consists of two semicircular baffle ring docking; The two end part of each described baffle ring respectively with the corresponding end docking of adjacent baffle ring, each baffle ring overlaps banding to be fixedly spliced to form described back-up ring structure by the C type elastic cuffs or the circular, hoop that are sleeved on each baffle ring outside, and described C type elastic cuffs or circular, hoop cover have the identical corresponding inner peripheral surface of outer circumferential face with described each baffle ring.
The outer circumferential face of described hinging shaft body be provided with around hinging shaft body, circumferentially extend for the annular groove of described back-up ring structure is installed, annular groove have along the axial distribution of hinging shaft body for pressing the spacing both sides trough wall surface of stopping surface blocks with two tops of described back-up ring structure, one of them trough wall surface is the step surface of described block step.
Usefulness of the present utility model is: hinging shaft device provided by the utility model in use, hinging shaft body is penetrated in corresponding perforation, when the aperture of boring a hole is along when the axle of hinging shaft body moves up, back-up ring structure presses block to coordinate with the aperture of perforation along top, back-up ring structure can be born axial force and axial force is passed on the step surface of block step of hinging shaft body, final realize spacing to the anticreep of hinging shaft body.Because by back-up ring structure directly axial force is passed on hinging shaft body, can realize the anticreep of hinging shaft body spacing, back-up ring structure presses block to coordinate intensity higher with the top of the step surface of block step on hinging shaft body, be not easy to occur as in prior art using block nut work as the easy destroyed problem of internal and external threads occurring when spacing, can effectively extend the working life of hinging shaft device.
Further, back-up ring structure consists of at least two baffle rings, is convenient to after hinging shaft body is installed on to perforation, by being assemblied on hinging shaft body of each baffle ring anticreep, to install and use more for convenience again.
Further, back-up ring structure consists of two semicircular baffle ring docking, and the component of back-up ring structure are less, and the intensity of the back-up ring structure that semicircle baffle ring docking forms is also higher.
Further, adopt C type elastic cuffs or circular cuff that each baffle ring is fixedly spliced to form to back-up ring structure, mounting or dismounting all more for convenience.
Further, annular groove is set on hinging shaft body and is convenient to back-up ring structure to be arranged on hinging shaft body, back-up ring structure can be positioned by annular groove, and then can improve installation efficiency.
Accompanying drawing explanation
Fig. 1 is a kind of embodiment's of hinging shaft device provided by the utility model structural representation;
Fig. 2 is the decomposing schematic representation of the device of hinging shaft shown in Fig. 1;
Fig. 3 is a kind of embodiment's the structural representation of the clamp of use hinging shaft device provided by the utility model.
Embodiment
As shown in Figure 1 and Figure 2, a kind of embodiment of hinging shaft device, hinging shaft in the present embodiment comprises the hinging shaft body 1 axially extending along fore-and-aft direction, the outer circumferential face that the front end of hinging shaft body 1 convexes with thrust flanges 4, its rear end is provided with the annular groove 6 circumferentially extending around hinging shaft body, annular groove 6 has along the front side trough wall surface of the axial distribution of hinging shaft body and rear side trough wall surface, rear side trough wall surface, towards described thrust flanges 4, is provided with screw mounting hole on the ear end face 5 of hinging shaft body 1.
Hinging shaft device also comprise anticreep be assemblied on described hinging shaft body 1 for coordinating to prevent that along block hinging shaft body from deviating from the back-up ring structure 2 of perforation with the aperture that is coated with the perforation of described hinging shaft body, this back-up ring structure is sleeved in described annular groove 6, and back-up ring structure has two tops that are respectively used to press block to coordinate along top with the rear side trough wall surface of described annular groove 6 and the aperture of described perforation and presses stopping surface.Back-up ring structure 2 herein consists of two semicircular baffle ring docking, and each baffle ring is by the circular, hoop cover banding that is sleeved on each baffle ring outside to be fixedly spliced to form described back-up ring structure, and circular, hoop cover has the identical corresponding inner peripheral surface of outer circumferential face with described each baffle ring.
On the ear end face 5 of hinging shaft body 1, by screw is dismantled and assembled, is furnished with end cap 3, this end cap 3 be provided with along described hinging shaft body shaft to towards described each baffle ring, extend for being sleeved on the sleeve sections 31 of described each baffle ring outside each baffle ring of banding, sleeve sections 31 is herein described circular cuff.When end cap 3 being fixed on hinging shaft body 1 by screw, the sleeve sections 31 on end cap 3 by each baffle ring banding to form back-up ring structure.
During use, hinging shaft body 1 is penetrated in corresponding perforation, then by corresponding being installed in annular groove of two baffle rings, and end cap 3 is fixedly assemblied on hinging shaft body 1, now, the sleeve sections 31 of end cap 3 is by two baffle ring bandings to form back-up ring structure 2, and two tops of back-up ring structure 2 press side to be respectively used to press block to coordinate with the rear side trough wall surface top of the edge, aperture of boring a hole and annular groove, the unidirectional anticreep of realization to hinging shaft, then coordinate thrust flanges 4 can realize the two-way anticreep to hinging shaft.
In above-described embodiment, only in one end of hinging shaft, be provided with back-up ring structure, and at the other end, thrust flanges be set, in other embodiments, also can save thrust flanges, and annular groove is set respectively at the two ends of hinging shaft and corresponding back-up ring structure realizes the anticreep of hinging shaft body spacing.
In above-described embodiment, back-up ring structure adopts two semicircle baffle rings to form, and in other embodiments, back-up ring structure also can adopt three or three above baffle ring cause anticreep cuff bandings formation back-up ring structures.
In above-described embodiment, the two end part of each baffle ring respectively with the corresponding end docking of adjacent baffle ring, and each baffle ring overlaps banding by circular, hoop, in other embodiments, each baffle ring also can pass through C type elastic cuffs banding.Hinging shaft body can also passed after perforation, directly the end of each baffle ring and the corresponding end of adjacent baffle ring are welded to the back-up ring structure that is connected to be fixedly spliced to form in the annular groove that anticreep is assemblied in hinging shaft body, also or the connecting sleeve of arc is set between the end of adjacent both ends lid, the two ends of connecting sleeve have respectively the endoporus with the described two corresponding insertings in baffle ring end, can each baffle ring are fixedly stitched together by connecting sleeve like this and form back-up ring structure.
In above-described embodiment, back-up ring structure consists of a plurality of baffle rings, and in other embodiments, back-up ring structure can be also C type circlip, now relies on the elasticity of circlip self to get final product being assemblied on hinging shaft of anticreep.
In above-described embodiment, on hinging shaft body, be provided with the annular groove of being convenient to mounting block coil structures, rear side trough wall surface by annular groove is realized spacing to the unidirectional block of back-up ring structure, the rearward end of rear side trough wall surface and hinging shaft body forms block step, and the step surface of the front end towards hinging shaft body of this block step is described rear side trough wall surface.In other embodiments, also can block step be only set on hinging shaft body, now, it is spacing along block that back-up ring structure can be equipped with the aperture of perforation of hinging shaft body by correspondence.
As shown in Figure 3, a kind of embodiment of clamp, clamp in this embodiment comprises by the upper boom portion 100 of hinging shaft device 300 hinge mounted and lower arm 200, the structure of hinging shaft device 300 is as shown in the Fig. 1 in above-described embodiment, Fig. 2, do not repeat them here, on two arms, offer respectively the perforation installing for hinging shaft body, back-up ring structure presses block to coordinate with the aperture of perforation along top.
Claims (10)
1. hinging shaft device, comprise hinging shaft body, it is characterized in that: the outer circumferential face of at least one end of described hinging shaft body is provided with step surface towards the block step of the other end, hinging shaft device also comprise anticreep be assemblied on described hinging shaft body for coordinating to prevent that along block hinging shaft body from deviating from the back-up ring structure of perforation with the aperture that is coated with the perforation of described hinging shaft body, back-up ring structure has and is respectively used to the two top pressure stopping surfaces of pressing block to coordinate along top with the step surface of described block step and the aperture of described perforation.
2. hinging shaft device according to claim 1, is characterized in that: described back-up ring structure is fixedly spliced to form by least two baffle rings that circumferentially extend around hinging shaft body.
3. hinging shaft device according to claim 2, is characterized in that: described back-up ring structure consists of two semicircular baffle ring docking.
4. hinging shaft device according to claim 2, it is characterized in that: the two end part of each described baffle ring respectively with the corresponding end docking of adjacent baffle ring, each baffle ring overlaps banding to be fixedly spliced to form described back-up ring structure by the C type elastic cuffs or the circular, hoop that are sleeved on each baffle ring outside, and described C type elastic cuffs or circular, hoop cover have the identical corresponding inner peripheral surface of outer circumferential face with described each baffle ring.
5. hinging shaft device according to claim 4, it is characterized in that: each described baffle ring overlaps banding to form described back-up ring structure by described circular, hoop, the corresponding end that is provided with described block step of described hinging shaft body is dismantled and assembled is furnished with end cap, described circular cuff be described end cap be provided with along described hinging shaft body shaft to towards described each baffle ring, extend for being sleeved on the sleeve sections of described each baffle ring outside each baffle ring of banding.
6. according to the hinging shaft device described in any one in claim 1 to 5, it is characterized in that: the outer circumferential face of described hinging shaft body be provided with around hinging shaft body, circumferentially extend for the annular groove of described back-up ring structure is installed, annular groove have along the axial distribution of hinging shaft body for pressing the spacing both sides trough wall surface of stopping surface blocks with two tops of described back-up ring structure, one of them trough wall surface is the step surface of described block step.
7. clamp, comprise by the arm of hinging shaft device hinge mounted, hinging shaft device comprises hinging shaft body, arm is provided with the perforation installing for hinging shaft body, it is characterized in that: the outer circumferential face of at least one end of described hinging shaft body is provided with step surface towards the block step of the other end, hinging shaft device also comprise anticreep be assemblied on described hinging shaft body for coordinating to prevent that along block hinging shaft body from deviating from the back-up ring structure of perforation with the aperture that is coated with the perforation of described hinging shaft body, back-up ring structure has two tops that are respectively used to press block to coordinate along top with the step surface of described block step and the aperture of described perforation and presses stopping surface.
8. clamp according to claim 7, is characterized in that: described back-up ring structure is fixedly spliced to form by least two baffle rings that circumferentially extend around hinging shaft body.
9. clamp according to claim 8, is characterized in that: described back-up ring structure consists of two semicircular baffle ring docking; The two end part of each described baffle ring respectively with the corresponding end docking of adjacent baffle ring, each baffle ring overlaps banding to be fixedly spliced to form described back-up ring structure by the C type elastic cuffs or the circular, hoop that are sleeved on each baffle ring outside, and described C type elastic cuffs or circular, hoop cover have the identical corresponding inner peripheral surface of outer circumferential face with described each baffle ring.
10. according to the clamp described in any one in claim 7 to 9, it is characterized in that: the outer circumferential face of described hinging shaft body be provided with around hinging shaft body, circumferentially extend for the annular groove of described back-up ring structure is installed, annular groove have along the axial distribution of hinging shaft body for pressing the spacing both sides trough wall surface of stopping surface blocks with two tops of described back-up ring structure, one of them trough wall surface is the step surface of described block step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420092709.4U CN203835940U (en) | 2014-03-03 | 2014-03-03 | Articulated shaft device and clamp using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420092709.4U CN203835940U (en) | 2014-03-03 | 2014-03-03 | Articulated shaft device and clamp using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203835940U true CN203835940U (en) | 2014-09-17 |
Family
ID=51513787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420092709.4U Expired - Fee Related CN203835940U (en) | 2014-03-03 | 2014-03-03 | Articulated shaft device and clamp using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203835940U (en) |
-
2014
- 2014-03-03 CN CN201420092709.4U patent/CN203835940U/en not_active Expired - Fee Related
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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: 20140917 Termination date: 20180303 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |