CN116604522A - Torsion protection device for assembled core pressing nut - Google Patents
Torsion protection device for assembled core pressing nut Download PDFInfo
- Publication number
- CN116604522A CN116604522A CN202310891081.8A CN202310891081A CN116604522A CN 116604522 A CN116604522 A CN 116604522A CN 202310891081 A CN202310891081 A CN 202310891081A CN 116604522 A CN116604522 A CN 116604522A
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- Prior art keywords
- buffer
- torsion
- fixed shaft
- rotating shaft
- contact surface
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- 239000011324 bead Substances 0.000 claims abstract description 56
- 230000002093 peripheral effect Effects 0.000 claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000003139 buffering effect Effects 0.000 abstract description 25
- 238000009434 installation Methods 0.000 abstract description 9
- 230000006835 compression Effects 0.000 description 7
- 238000007906 compression Methods 0.000 description 7
- 125000006850 spacer group Chemical group 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000001125 extrusion Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
Classifications
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- 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
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
- B25B27/24—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same mounting or demounting valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
- F16F15/12—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon
- F16F15/131—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon the rotating system comprising two or more gyratory masses
- F16F15/133—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon the rotating system comprising two or more gyratory masses using springs as elastic members, e.g. metallic springs
- F16F15/134—Wound springs
- F16F15/1343—Wound springs characterised by the spring mounting
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Springs (AREA)
Abstract
The invention discloses a torsion protection device for an assembly press core nut, which belongs to the technical field of inflating valve installation tools and comprises a fixed shaft, a fixed shaft and a fixed shaft, wherein the fixed shaft is provided with an installation hole and a positioning hole; the buffer beads are arranged in the positioning holes and protrude out of the peripheral surface of the fixed shaft and the inner wall surface of the mounting hole; the buffer rotating shaft is partially arranged in the mounting hole and is provided with a contact surface, and the contact surface comprises a plurality of first contact surfaces and second contact surfaces; the maximum distance between the first contact surface and the axis of the buffer rotating shaft is not greater than the minimum distance between the second contact surface and the axis of the buffer rotating shaft; the torsion adjusting sleeve is sleeved on the fixed shaft, and the inner wall of the torsion adjusting sleeve, which is abutted against the buffer beads, is provided with an inclined surface; a first elastic member; the buffer beads are respectively abutted with the inclined surface and the contact surface, and the buffer beads can prevent the buffer rotating shaft from rotating relative to the fixed shaft by utilizing the first contact surface and the second contact surface; only when the torsion that the buffering pivot received is greater than the compressive force that first elastic component applyed, the buffering pivot can rotate for the fixed axle, accurate limiting torsion size.
Description
Technical Field
The invention relates to the technical field of inflating valve installation tools, in particular to an assembly core pressing nut torsion protection device.
Background
The main function of the inflating valve for the inner tube of the bicycle is to realize inflation and deflation of the inner tube and maintain the sealing of the inner tube. The valve is generally composed of three parts, namely a valve body, a valve core and a core pressing nut. The assembly process of the inflating valve mainly comprises the following steps: putting the valve core with the rubber into the valve body; the pressing core nut is in threaded connection with the inflating valve body, so that the rubber of the inflating valve core is tightly pressed and sealed with the sealing surface of the inflating valve body, and the air preservation and inflation of the inner tube are realized.
At present, the valve body and the core pressing nut are installed in a manual or semi-automatic mode, the installation mode has the problems of low efficiency, high labor cost and the like, and more importantly, the torque force applied to the core pressing nut is difficult to accurately control in the installation mode when the core pressing nut is installed, and the torque force applied to the core pressing nut is different; when the torque force is too large, the extrusion force of the core pressing nut on the valve core is too large, so that the rubber of the valve core is easy to break; when the torque force is too small, the extrusion force of the core pressing nut to the valve core is too small, and the conditions of loose sealing and easy air leakage are likely to occur.
Therefore, designing an assembly core pressing nut torsion protection device which can accurately limit the torsion and ensure that the torsion of all core pressing nuts and the torsion of the inflating valve body are consistent in the assembly process is a problem to be solved in the prior art.
Disclosure of Invention
For the problems existing in the prior art, according to the torsion protection device for the assembled core pressing nut, two ends of the buffer beads are respectively abutted against the inclined surface of the torsion adjusting sleeve and the contact surface of the buffer rotating shaft, and the buffer beads can prevent the buffer rotating shaft from rotating relative to the fixed shaft by utilizing the fact that the first contact surface and the second contact surface are different from the axial line of the buffer rotating shaft respectively; when the torsion that the buffering pivot received is greater than the impact force that the slope on the torsion adjustment sleeve was applyed to the buffering pearl, the buffering pivot can outwards release the buffering pearl for the fixed axle rotates to can be accurate inject the torsion size of buffering pivot, guarantee that all press core nuts are unanimous with the moment of torsion of inflating valve body in assembly process.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
the invention provides an assembly press core nut torsion protection device, which comprises:
the fixing shaft is provided with a first end face, and the first end face is provided with an axially arranged mounting hole; positioning holes distributed circumferentially are formed in the fixed shaft;
the buffer beads are arranged in the positioning holes, protrude out of the peripheral surface of the fixed shaft, and protrude out of the inner wall surface of the mounting hole;
the buffer rotating shaft is arranged in the mounting hole in a clearance fit manner, the peripheral surface of the buffer rotating shaft is provided with a contact surface which is abutted against the buffer beads, and the contact surface comprises a plurality of first contact surfaces and second contact surfaces which are alternately connected; the maximum distance between the first contact surface and the axis of the buffer rotating shaft is not greater than the minimum distance between the second contact surface and the axis of the buffer rotating shaft;
the torsion adjusting sleeve is sleeved on the fixed shaft, and the inner wall of the torsion adjusting sleeve, which is in butt joint with the buffer beads, is provided with an inclined surface which is inclined along the axial direction;
and the first elastic piece enables the inclined surface on the torsion adjusting sleeve to have a trend of approaching to the buffer beads.
As a preferable technical scheme, the fixed shaft is provided with an adjusting component capable of moving along the axial direction of the fixed shaft; the first elastic member is located between the adjustment assembly and the torsion adjustment sleeve.
As a preferable technical scheme, the adjusting component is an adjusting nut, the adjusting nut is sleeved on the fixed shaft and is in threaded connection with the fixed shaft, one end of the first elastic piece is abutted with the adjusting nut, and the other end of the first elastic piece is abutted with the torsion adjusting sleeve;
and/or the first elastic piece is set as a spring or a shrapnel.
As a preferable technical scheme, the bottom of the mounting hole is provided with a fixing bead, and a second elastic piece is arranged between the fixing bead and the buffering rotating shaft.
As a preferable technical scheme, the fixed shaft is provided with a second end face, and the second end face is provided with a power connecting hole;
and/or the buffer beads are arranged as steel balls.
As a preferable technical scheme, one end of the buffering rotating shaft, which is far away from the fixed shaft, is provided with a mounting sleeve.
As a preferable technical scheme, the axes of the fixed shaft, the buffer rotating shaft and the mounting sleeve are collinear;
and/or the buffer rotating shaft is provided with a limiting table matched with the mounting sleeve.
As a preferable technical scheme, a contact groove which is arranged circumferentially is arranged on the buffer rotating shaft, and the bottom surface of the contact groove forms the contact surface;
and/or the first contact surface is set to be a plane, and the second contact surface is set to be an arc-shaped surface;
and/or the number and the positions of the first contact surfaces correspond to the number and the positions of the buffer beads; adjacent first contact surfaces are connected by the second contact surface.
As a preferable technical scheme, a gasket is arranged between the torsion adjusting sleeve and the fixed shaft, and the gasket, the torsion adjusting sleeve and the fixed shaft form a containing cavity.
As a preferred technical solution, the inclined surface forms a side wall of the accommodating cavity;
and/or the torque force adjusting sleeve is provided with a check ring for fixing the gasket.
The beneficial effects of the invention are as follows:
1. the two ends of the buffer beads are respectively abutted with the inclined surface of the torsion adjusting sleeve and the contact surface of the buffer rotating shaft, so that the buffer beads are clamped in the positioning holes; the buffer beads can prevent the buffer rotating shaft from rotating relative to the fixed shaft by utilizing the fact that the first contact surface and the second contact surface are different in distance from the axis of the buffer rotating shaft respectively; when the torsion that the buffering pivot received is greater than the impact force that the slope on the torsion adjustment cover was applyed to the buffering pearl, the buffering pivot can outwards be released the buffering pearl for the fixed axle rotates to can be through the torsion size of control first elastic component to the buffering pearl applied impact force limit buffering pivot, guarantee that all press core nuts are unanimous with the moment of torsion of valve body in the assembly process.
2. According to the invention, the compression state of the first elastic piece can be adjusted by utilizing the adjusting component, namely, the compression force exerted by the inclined surface on the torsion adjusting sleeve on the buffer beads can be adjusted, so that the limiting torsion value of the buffer rotating shaft can be adjusted, the assembly efficiency and the installation quality are greatly improved, and the labor cost and the product rejection rate are reduced.
Drawings
FIG. 1 is a schematic view of the overall structure of an embodiment of a torque protection device for an assembled core nut according to the present invention;
FIG. 2 is an enlarged view of area A of FIG. 1;
fig. 3 is a schematic structural diagram of the buffering shaft in fig. 1.
In the figure: 1-fixed shaft, 11-first terminal surface, 12-second terminal surface, 13-mounting hole, 14-locating hole, 15-power connecting hole, 2-buffering pearl, 3-buffering pivot, 31-first contact surface, 32-second contact surface, 33-limit table, 34-contact recess, 4-torsion adjusting sleeve, 41-accommodation chamber, 42-inclined plane, 43-gasket, 44-retaining ring, 5-first elastic component, 6-adjusting nut, 71-fixed pearl, 72-second elastic component, 8-mounting sleeve.
Detailed Description
The present invention is further described below with reference to the accompanying drawings for the convenience of understanding by those skilled in the art.
Referring to fig. 1-3, an embodiment of a torsion protection device for assembling a core-pressing nut provided by the invention includes a fixed shaft 1, a first end surface 11 of the fixed shaft 1 is provided with an axially arranged mounting hole 13, and one end of a buffering rotating shaft 3 extends into the mounting hole 13 and is in clearance fit with the mounting hole 13; the fixed shaft 1 is provided with two positioning holes 14 which are circumferentially distributed, the positioning holes 14 are used for communicating the peripheral surface of the fixed shaft 1 with the mounting holes 13, buffer beads 2 are arranged in each positioning hole 14, the buffer beads 2 protrude from the peripheral surface of the fixed shaft 1 and protrude from the inner wall surface of the mounting holes 13, the contact surface, which is in contact with the buffer beads 2, on the peripheral surface of the buffer rotating shaft 3 comprises a first contact surface 31 and a second contact surface 32 which are alternately connected, and the maximum distance between a point on the first contact surface 31 and the axis of the buffer rotating shaft 3 is not greater than the minimum distance between a point on the second contact surface 32 and the axis of the buffer rotating shaft 3; in the initial state, the buffer beads 2 are abutted against the first contact surface 31; the outer part of the fixed shaft 1 is sleeved with a torsion adjusting sleeve 4, the torsion adjusting sleeve 4 is provided with a containing cavity 41 at the position corresponding to each buffer bead 2, and under the action of the first elastic piece 5, an inclined surface 42 on the inner wall of the containing cavity 41 is tightly pressed on the buffer beads 2 to prevent the buffer beads 2 from moving radially; when the buffer rotating shaft 3 is used for screwing the core pressing nut onto the inflating valve body, the core pressing nut prevents the buffer rotating shaft 3 from rotating, the resistance of the core pressing nut to the buffer rotating shaft 3 is larger than the extrusion force applied to the buffer beads 2 by the first elastic piece 5 through the inclined surface 42, the buffer beads 2 start to alternately abut against the first contact surface 31 and the second contact surface 32 and circularly rotate relative to the buffer rotating shaft 3, the buffer beads 2 are pushed out by the second contact surface 32, the buffer rotating shaft 3 does not rotate along with the fixed shaft 1 any more, and therefore the torsion of the buffer rotating shaft 3 can be accurately limited, and the consistency of all the core pressing nuts and the torsion of the inflating valve body in the assembling process is ensured.
Referring to fig. 1 and 2, the axial direction, the radial direction and the circumferential direction in the present invention are all based on the fixed shaft 1; the inclined surface 42 is inclined along the axial direction, when the fixed shaft 1 and the torsion adjusting sleeve 4 rotate relative to the buffer rotating shaft 3, the buffer beads 2 move radially, and the buffer beads 2 can push the torsion adjusting sleeve 4 to move axially through the inclined surface 42, so that a larger part of buffer beads 2 can enter the accommodating cavity 41; the axis of the positioning hole 14 should be set along the radial direction, the inner diameter of the positioning hole 14 is equal to the diameter of the buffer bead 2, and the positioning hole 14 can limit and guide the buffer bead 2 to move along the radial direction.
In this embodiment, referring to fig. 1, an adjusting component capable of moving along an axial direction of a fixed shaft 1 is provided on the fixed shaft; the first elastic piece 5 is positioned between the adjusting component and the torsion adjusting sleeve 4, and the compression state of the first elastic piece 5 can be adjusted by adjusting the position of the adjusting component, so that the compression force of the first elastic piece 5 on the buffer beads 2 is adjusted; specifically, the adjusting component is an adjusting nut 6, the adjusting nut 6 is sleeved on the fixed shaft 1 and is in threaded connection with the fixed shaft 1, one end of the first elastic piece 5 is abutted with the adjusting nut 6, the other end of the first elastic piece 5 is abutted with the torsion adjusting sleeve 4, and the compression state of the first elastic piece 5 can be adjusted by rotating the adjusting nut 6; in other embodiments, the adjusting assembly may be an adjusting block capable of moving along the axial direction of the fixed shaft 1, and a positioning screw is disposed between the adjusting block and the fixed shaft 1, and the position of the adjusting block can be positioned by the positioning screw, so that the compression state of the first elastic member 5 can be controlled; in other embodiments, the first elastic member 5 may be in a stretched state, and the amount of pressing force applied to the buffer bead 2 by the inclined surface 42 may be adjusted by changing the stretching amount of the first elastic member 5.
In this embodiment, referring to fig. 1 and 2, the first elastic member 5 is a spring, and the spring can apply a stable elastic force to the torsion adjusting sleeve 4; in other embodiments, the first elastic member 5 may be a spring plate, so long as a stable elastic force can be applied to the torsion adjusting sleeve 4.
In this embodiment, referring to fig. 1, a fixing bead 71 is disposed at the bottom of the mounting hole 13, a second elastic member 72 is disposed between the fixing bead 71 and the buffer shaft 3, and the second elastic member 72 is in a compressed state, when the fixing shaft 1 and the torsion adjusting sleeve 4 rotate relative to the buffer shaft 3, the fixing bead 71 can rotate relative to the fixing shaft 1, so that the relative rotation between the fixing shaft 1 and the buffer shaft 3 is smoother, and meanwhile, the second elastic member 72 applies a stable elastic force to the buffer shaft 3, so as to buffer the axial force applied to the buffer shaft 3; specifically, the second elastic member 72 is preferably provided as a spring or a leaf spring; in order to secure structural strength, the buffer beads 2 and the fixing beads 71 are preferably both provided as steel balls.
In this embodiment, referring to fig. 1, a power connection hole 15 is provided on the second end face 12 of the fixed shaft 1; the fixed shaft 1 is connected with a power mechanism through a power connecting hole 15, the power mechanism can drive the fixed shaft 1 to rotate, and the buffering rotating shaft 3 rotates along with the fixed shaft 1; further, one end of the buffering rotating shaft 3 far away from the fixed shaft 1 is provided with a mounting sleeve 8, and one end of the mounting sleeve 8 far away from the buffering rotating shaft 3 is provided with an inner hole matched with the core pressing nut; when the core pressing nut is embedded in the inner hole of the mounting sleeve 8, the mounting sleeve 8 rotates along with the buffer rotating shaft 3, so that the core pressing nut can be screwed on the inflating valve body; specifically, the axes of the fixed shaft 1, the buffer rotating shaft 3 and the mounting sleeve 8 are collinear, so that the three can stably and synchronously rotate when the core pressing nut is mounted; the buffer rotating shaft 3 is provided with the limit table 33 matched with the installation sleeve 8, so that the installation sleeve 8 can be conveniently fixed on the buffer rotating shaft 3 and the position of the installation sleeve 8 can be limited.
In this embodiment, referring to fig. 1-3, a contact groove 34 is circumferentially disposed on the buffer shaft 3, and a bottom surface of the contact groove 34 forms a contact surface; specifically, the first contact surface 31 is set to be a plane, and when the buffer rotating shaft 3 is not stressed, the buffer bead 2 is abutted against the first contact surface 31; the second contact surface 32 is an arc surface, preferably, the distance between the point of the arc surface at the same axial position and the axis of the buffer rotating shaft 3 is the same, so that when the fixed shaft 1 and the torsion adjusting sleeve 4 rotate relative to the buffer rotating shaft 3 and the buffer beads 2 are abutted against the second contact surface 32, the buffer beads 2 cannot move radially, and the fixed shaft 1 can rotate more stably; further, when there are two buffer beads 2, the width a of the first contact surface 31 is 1.1-1.3R, where R is the radius of the second contact surface 32; meanwhile, when the buffer beads 2 are abutted against the side walls of the contact grooves 34, the movement of the buffer shaft 3 may also be restricted in the axial direction.
In this embodiment, referring to fig. 1 and 2, a spacer 43 is disposed between the torque adjusting sleeve 4 and the fixed shaft 1, the spacer 43, the torque adjusting sleeve 4 and the fixed shaft 1 form a receiving cavity 41, further, a retainer ring 44 is disposed on the torque adjusting sleeve 4, the retainer ring 44 is disposed on the outer side of the spacer 43, the retainer ring 44 has elasticity, the retainer ring 44 extrudes the spacer 43 to fix the spacer 43 on the torque adjusting sleeve 4, so as to ensure that the spacer 43 can axially move along with the torque adjusting sleeve 4; at the same time, the gasket 43 and the retainer ring 44 are also convenient to mount and dismount, so that the torsion adjusting sleeve 4 can be conveniently mounted on the fixed shaft 1, and the part of the buffer bead 2 protruding from the peripheral surface of the fixed shaft 1 is positioned in the accommodating cavity 41.
The specific use mode of the invention is as follows:
referring to fig. 1 and 2, the present invention is mounted on a main shaft of a motor through a power connection hole 15 on a fixed shaft 1, and the motor provides power to rotate a mounting sleeve 8;
placing the core pressing nut on the inflating valve body, sleeving an inner hole of the mounting sleeve 8 on the core pressing nut, and driving the mounting sleeve 8 to rotate by a motor, so that the core pressing nut can be screwed on the inflating valve body; when the torsion that buffering pivot 3 received is greater than the compressive force that first elastic component 5 applyed buffering pearl 2, buffering pivot 3 rotates for fixed axle 1, and when second contact surface 32 and buffering pearl 2 butt time, make buffering pearl 2 radially outwards remove, torsion adjusting sleeve 4 axial displacement along with it realizes torsion protection, also indicates that this core nut assembly is accomplished, can carry out the assembly of next core nut and inflating valve body again.
When the inflating valve with different torsion requirements is required to be assembled, the compression state of the first elastic piece 5 can be adjusted by rotating the adjusting nut 6, so that the limited torsion of the buffer rotating shaft 3 can be controlled; further, the limited torque force of the buffer rotating shaft 3 can be accurately controlled by means of a torque wrench.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An assembly core nut torque protection device, comprising:
the fixing shaft (1), wherein the fixing shaft (1) is provided with a first end surface (11), and the first end surface (11) is provided with an axially arranged mounting hole (13); positioning holes (14) distributed circumferentially are formed in the fixed shaft (1);
the buffer beads (2) are arranged in the positioning holes (14), the buffer beads (2) protrude out of the peripheral surface of the fixed shaft (1), and the buffer beads (2) protrude out of the inner wall surface of the mounting holes (13);
the buffer rotating shaft (3) is arranged in the mounting hole (13) in a clearance fit manner, the peripheral surface of the buffer rotating shaft (3) is provided with a contact surface which is abutted against the buffer beads (2), and the contact surface comprises a plurality of first contact surfaces (31) and second contact surfaces (32) which are alternately connected; the maximum distance between the first contact surface (31) and the axis of the buffer rotating shaft (3) is not greater than the minimum distance between the second contact surface (32) and the axis of the buffer rotating shaft (3);
the torsion adjusting sleeve (4) is sleeved on the fixed shaft (1), and the inner wall of the torsion adjusting sleeve (4) which is abutted with the buffer beads (2) is an inclined surface (42) which is inclined along the axial direction;
-a first elastic element (5), said first elastic element (5) causing said inclined surface (42) on said torsion adjustment sleeve (4) to have a tendency to approach said buffer bead (2).
2. The torsion protection device for assembling a press core nut according to claim 1, wherein the fixed shaft (1) is provided with an adjusting component capable of moving along the axial direction thereof; the first elastic piece (5) is positioned between the adjusting assembly and the torsion adjusting sleeve (4).
3. The torsion protection device for the assembled core pressing nut according to claim 2, wherein the adjusting component is an adjusting nut (6), the adjusting nut (6) is sleeved on the fixed shaft (1) and is in threaded connection with the fixed shaft (1), one end of the first elastic piece (5) is abutted with the adjusting nut (6), and the other end of the first elastic piece (5) is abutted with the torsion adjusting sleeve (4);
and/or the first elastic piece (5) is provided as a spring or a shrapnel.
4. The torsion protection device for the assembled core nut according to claim 1, wherein a fixing bead (71) is arranged at the bottom of the mounting hole (13), and a second elastic piece (72) is arranged between the fixing bead (71) and the buffer rotating shaft (3).
5. The torsion protection device for assembling a press core nut according to claim 1, wherein the fixed shaft (1) is provided with a second end surface (12), and a power connection hole (15) is arranged on the second end surface (12);
and/or the buffer beads (2) are steel balls.
6. The torsion protection device for assembling the press core nut according to claim 1, wherein a mounting sleeve (8) is arranged at one end of the buffer rotating shaft (3) far away from the fixed shaft (1).
7. The torsion protection device for assembling a press core nut according to claim 6, characterized in that the axes of the fixed shaft (1), the buffer rotating shaft (3) and the mounting sleeve (8) are collinear;
and/or the buffer rotating shaft (3) is provided with a limit table (33) matched with the mounting sleeve (8).
8. The torsion protection device for assembling a press core nut according to claim 1, wherein a contact groove (34) is circumferentially arranged on the buffer rotating shaft (3), and the bottom surface of the contact groove (34) forms the contact surface;
and/or the first contact surface (31) is provided as a plane, and the second contact surface (32) is provided as an arc-shaped surface;
and/or the number and the position of the first contact surfaces (31) correspond to the number and the position of the buffer beads (2); adjacent first contact surfaces (31) are connected by second contact surfaces (32).
9. The torque protection device for assembling the press core nut according to claim 1, wherein a gasket (43) is arranged between the torque adjusting sleeve (4) and the fixed shaft (1), and the gasket (43), the torque adjusting sleeve (4) and the fixed shaft (1) form a containing cavity (41).
10. The assembly press core nut torque protection device according to claim 9, characterized in that the inclined surface (42) forms a side wall of the receiving cavity (41);
and/or a check ring (44) for fixing the position of the gasket (43) is arranged on the torsion adjusting sleeve (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310891081.8A CN116604522B (en) | 2023-07-20 | 2023-07-20 | Torsion protection device for assembled core pressing nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310891081.8A CN116604522B (en) | 2023-07-20 | 2023-07-20 | Torsion protection device for assembled core pressing nut |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116604522A true CN116604522A (en) | 2023-08-18 |
| CN116604522B CN116604522B (en) | 2023-10-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310891081.8A Active CN116604522B (en) | 2023-07-20 | 2023-07-20 | Torsion protection device for assembled core pressing nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116604522B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB926108A (en) * | 1960-01-04 | 1963-05-15 | Charles Fulop | Combination drive-impact screw driver with adjustable torque clutch |
| TW569868U (en) * | 2003-03-06 | 2004-01-01 | Jen-Li Huang | Fast fitting not intended for inflation |
| TWM558689U (en) * | 2017-12-06 | 2018-04-21 | Hong Bing Pneumatic Industry Co Ltd | Built-in torque adjustment structure for pneumatic tool |
| CN111283620A (en) * | 2020-03-01 | 2020-06-16 | 张晓琳 | Mechanism capable of setting torque and simultaneously torsionally installing four springs |
| TWI714455B (en) * | 2020-02-13 | 2020-12-21 | 和嘉興精密股份有限公司 | Torsion structure |
| TWI746265B (en) * | 2020-11-13 | 2021-11-11 | 和嘉興精密股份有限公司 | Torsion structure |
-
2023
- 2023-07-20 CN CN202310891081.8A patent/CN116604522B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB926108A (en) * | 1960-01-04 | 1963-05-15 | Charles Fulop | Combination drive-impact screw driver with adjustable torque clutch |
| TW569868U (en) * | 2003-03-06 | 2004-01-01 | Jen-Li Huang | Fast fitting not intended for inflation |
| TWM558689U (en) * | 2017-12-06 | 2018-04-21 | Hong Bing Pneumatic Industry Co Ltd | Built-in torque adjustment structure for pneumatic tool |
| TWI714455B (en) * | 2020-02-13 | 2020-12-21 | 和嘉興精密股份有限公司 | Torsion structure |
| CN111283620A (en) * | 2020-03-01 | 2020-06-16 | 张晓琳 | Mechanism capable of setting torque and simultaneously torsionally installing four springs |
| TWI746265B (en) * | 2020-11-13 | 2021-11-11 | 和嘉興精密股份有限公司 | Torsion structure |
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|---|---|
| CN116604522B (en) | 2023-10-10 |
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