CN210588993U - Variable-pitch hexagon bolt sleeve - Google Patents
Variable-pitch hexagon bolt sleeve Download PDFInfo
- Publication number
- CN210588993U CN210588993U CN201921151908.7U CN201921151908U CN210588993U CN 210588993 U CN210588993 U CN 210588993U CN 201921151908 U CN201921151908 U CN 201921151908U CN 210588993 U CN210588993 U CN 210588993U
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- variable
- pitch
- sliding groove
- sliding
- clamping
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Abstract
The utility model provides a variable-pitch hexagon bolt sleeve, which comprises an outer sleeve, a variable-pitch wire disc, a one-way ratchet wheel, a locking device, a constraint sliding groove body and a clamping sliding block; the constraint chute body is provided with a concave chute, the front end of the constraint chute body is provided with a locking device, and the tail end of the constraint chute body is connected with a variable-pitch wire disc in a matching way; the clamping slide block comprises a clamping slide rod and a clamping head, the clamping slide rod is positioned in the concave chute, one end of the clamping slide rod is connected with the clamping head, the other end of the clamping slide rod is connected with the variable-pitch wire disc, and the clamping slide rod can slide along the concave chute in the radial direction by rotating the variable-pitch wire disc; the one-way ratchet comprises a ratchet plectrum and ratchet teeth; ratchet teeth are uniformly distributed on the outer circumference of the constraint sliding groove body, and the ratchet poking piece is positioned on the outer circumference of the outer sleeve corresponding to the ratchet teeth; the constraint sliding chute body and the variable-pitch wire disc are arranged in the outer sleeve. The utility model discloses simple structure, convenient to use, can work in special environment such as narrow and small, the degree of depth is darker, and the cooperation precision is high, can adjust the size simply conveniently to be applied to different specification bolts, the practicality is strong.
Description
Technical Field
The utility model belongs to an instrument field for fastening, dismantlement, in particular to but variable apart from hexagon bolt sleeve.
Background
The existing hexagon bolt sleeves in the market are fixed in specification, and one sleeve is only suitable for bolts of one specification, so that a whole set of bolt sleeves needs to be carried during working, and the hexagon bolt sleeves are large in size and weight and inconvenient to use; for some quick-change sleeves, the adopted quick-change sleeve heads are small in size and easy to lose, so that the work is influenced.
In the patent document, "a variable position chuck sleeve" (application date: 2015, 7, 10, publication number: CN 105459003A), a method for providing a clamping force is provided by using a bolt sleeve with adjustable size and driving a chuck to drive jaws through a handle, although the size can be conveniently adjusted to adapt to inner and outer hexagon bolts with different specifications, the radial size is large, the structure is heavy, and the variable position chuck sleeve cannot be used in narrow and deep environments. Therefore, there is a need for a hexagon socket bolt sleeve which can perform variable pitch operation, can work in special environments such as narrow and deep environments, and has high matching precision and convenient operation.
Disclosure of Invention
Problem to the background art exists, the utility model provides a can carry out the displacement operation, can work in special environment such as narrow and small, the degree of depth is darker, and the cooperation precision is high, convenient operation's bolt sleeve.
In order to solve the technical problem, the utility model adopts the following technical scheme:
a variable-pitch hexagon bolt sleeve comprises an outer sleeve, a variable-pitch wire disc, a one-way ratchet wheel, a locking device, a constraint sliding groove body and a clamping sliding block; the restraining sliding groove body is provided with a concave sliding groove, the front end of the restraining sliding groove body is provided with a locking device, and the tail end of the restraining sliding groove body is connected with a variable-pitch wire disc in a matched mode;
the clamping slide block comprises a clamping slide rod and a clamping head, the clamping slide rod is positioned in the concave sliding groove, one end of the clamping slide rod is connected with the clamping head, the other end of the clamping slide rod is connected with the variable-pitch wire disc, and the clamping slide rod can slide along the concave sliding groove in the radial direction by rotating the variable-pitch wire disc;
the one-way ratchet comprises a ratchet plectrum and ratchet teeth; the ratchet teeth are uniformly distributed on the outer circumference of the constraint sliding groove body, and the ratchet poking piece is positioned on the outer circumference of the outer sleeve corresponding to the ratchet teeth;
the restraint chute body and the variable-pitch wire disc are arranged in the outer sleeve.
The number of the concave chutes is 3, and the included angle between each two concave chutes is 120 degrees; each clamping slide bar is matched and connected with the concave sliding groove and can slide along the concave sliding groove in the radial direction.
The variable-pitch wire disc is provided with spiral plane threads, and the spiral plane threads are equidistant involute plane threads; one end of the clamping slide rod is in threaded fit connection with the spiral plane on the variable-pitch wire disc through threads.
The locking device comprises a locking ring, an arc-shaped sliding block, a locking sliding sleeve, a locking cylinder, an annular sliding groove, an axial sliding groove and a wing plate; the middle of the locking sliding sleeve is provided with an annular sliding chute, and the outer surface of the locking sliding sleeve is provided with an axial sliding chute; the arc-shaped sliding block can slide along an annular sliding groove, a radial through hole is formed in the annular sliding groove, and the locking cylinder can move along the radial through hole;
and the locking ring is provided with a wing plate which can slide along the axial sliding groove.
The number of the radial through holes on the annular sliding groove is 3, and the radial through holes correspond to the positions of the concave sliding grooves; the locking cylinder can move to the concave sliding groove along the radial through hole.
The arc-shaped sliding blocks are positioned on two sides of the axial sliding groove on the locking sliding sleeve.
The outer sleeve is provided with a trepanning hole, a wire disc window and a ratchet wheel window.
The outer edge of the restraint sliding groove body is arranged, the inner edge of the outer sleeve is arranged in the outer sleeve, and the outer edge of the restraint sliding groove body and the inner edge of the outer sleeve are mutually restrained to enable the restraint sliding groove body and the outer sleeve to concentrically rotate.
The clamping head is connected with the hexagonal nut in a matched mode.
The outer surface of the variable-pitch wire disc is provided with patterns.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a displacement operation can work in special environment such as narrow and small, the degree of depth is darker, and the cooperation precision is high.
2. The utility model discloses easily carry, can adjust the size simply conveniently to be applied to different specification bolts.
3. The utility model discloses it can provide stable clamp force to rotate silk dish and locking device to be applied to the bolt of different specifications in a flexible way.
4. The utility model discloses an one-way ratchet, ratchet one-way when screwing up hard, when the return stroke, direct antiport sleeve can, need not to lift the sleeve off, labour saving and time saving improves work efficiency.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the radial distribution of the clamping slide blocks of the present invention;
FIG. 3 is a schematic structural view of the variable pitch wire reel of the present invention;
FIG. 4 is a schematic axial section view of the restraint chute body of the present invention;
fig. 5 is a schematic structural view of the locking device of the present invention;
fig. 6 is a schematic locking diagram of the locking device of the present invention;
fig. 7 is an unlocking schematic view of the locking device of the present invention;
fig. 8 is a schematic view of the locking principle of the locking device of the present invention;
FIG. 9 is a schematic view of the one-way ratchet structure of the present invention;
fig. 10 is a schematic structural view of an outer sleeve of the present invention;
FIG. 11 is a view showing the fitting relationship between the outer sleeve and the constraining chute body of the present invention;
fig. 12 is a schematic structural view of the clamping head of the present invention;
fig. 13 is a schematic structural view of the locking device of the present invention in an exploded state;
fig. 14 is a schematic diagram of the structure of the explosion state of the present invention.
The device comprises a sleeve 1, a distance-variable wire disc 2, a unidirectional ratchet 3, a locking device 4, a constraint sliding groove body 5, a clamping sliding block 6, a clamping sliding block 1-1 inner edge 1-2 trepanning holes 1-3 wire disc window 1-4 ratchet window 2-1 spiral plane thread 3-1 ratchet pulling sheet 3-2 ratchet teeth 4-1 locking ring 4-2 arc sliding block 4-3 locking sliding sleeve 4-4 locking cylinder 4-5 annular sliding groove 4-6 axial sliding groove 4-7 wing plate 5-1 concave sliding groove 5-3 outer edge 6-1 clamping sliding rod 6-2 clamping head 6-3 thread.
Detailed Description
The invention will be further described with reference to the following examples, which are illustrated in the accompanying drawings.
As shown in attached figures 1 and 14, the utility model comprises an outer sleeve 1, a variable-pitch wire disc 2, a one-way ratchet 3, a locking device 4, a constraint slide groove body 5 and a clamping slide block 6; the restraining sliding groove body 5 is provided with a concave sliding groove 5-1, the front end of the restraining sliding groove body is provided with a locking device 4, and a central shaft at the tail end of the restraining sliding groove body 5 is connected with a central hole of the variable-pitch wire disc 2 in a matching mode.
The clamping slide block 6 comprises a clamping slide bar 6-1 and a clamping head 6-2, the clamping slide bar 6-1 is positioned in the concave chute 5-1, one end of the clamping slide bar is connected with the clamping head 6-2, the other end of the clamping slide bar is connected with the variable-pitch wire disc 2, and the clamping slide bar 6-1 can slide along the concave chute 5-1 in the radial direction by rotating the variable-pitch wire disc 2; 3 concave chutes 5-1 are provided, and the included angle between each concave chute 5-1 is 120 degrees; 3 clamping slide bars 6-1 are provided, each clamping slide bar 6-1 corresponds to each concave sliding groove 5-1, is connected in a matching way, and can slide along the corresponding concave sliding groove 5-1 in the radial direction. The variable-pitch wire disc 2 can enable the 3 clamping slide bars 6-1 to move centripetally by rotating around a central shaft at the tail end of the constraint slide groove body 5, and meanwhile, a centripetal force is generated to clamp the bolt. The clamping slide bar 6-1 and the clamping head 6-2 are integrally formed or connected in a welding mode during machining.
As shown in figure 2, the one-way ratchet 3 comprises a ratchet plectrum 3-1 and ratchet teeth 3-2; ratchet teeth 3-2 are uniformly distributed on the outer circumference of the constraint sliding groove body 5, and a ratchet plectrum 3-1 is positioned on the outer circumference of the outer sleeve 1 corresponding to the ratchet teeth 3-2; the restraint chute body 5 and the variable pitch wire disc 2 are arranged in the outer sleeve 1.
As shown in attached figures 3 and 4, a spiral plane thread 2-1 is arranged on the variable-pitch thread disc 2, and the spiral plane thread 2-1 is an equidistant involute plane thread; one end of the clamping slide rod 6-1 is connected with the spiral plane thread 2-1 on the variable-pitch thread disc 2 in a matching way through a thread 6-3. The tail end of the clamping slide rod 6-1 is provided with a thread matched with the variable-pitch wire disc 2, when the variable-pitch wire disc 2 rotates, the thread of the clamping slide rod 6-1 slides on the thread of the variable-pitch wire disc 2, the clamping slide rod 6-1 also moves radially, and the moving direction is related to the rotating direction of the thread of the variable-pitch wire disc 2 and is similar to the working principle of the three-jaw chuck.
As shown in the attached figures 5-9 and 13, the locking device 4 comprises a locking ring 4-1, an arc-shaped sliding block 4-2, a locking sliding sleeve 4-3, a locking cylinder 4-4, an annular sliding groove 4-5, an axial sliding groove 4-6 and a wing plate 4-7; the locking sliding sleeve 4-3 is fixed at the front end of the restraint sliding groove body 5, an annular sliding groove 4-5 is arranged in the middle of the locking sliding sleeve 4-3, and an axial sliding groove 4-6 is arranged on the outer surface of the locking sliding sleeve 4-3; the arc-shaped sliding block 4-2 can do circumferential sliding along the annular sliding groove 4-5 and can not do radial movement, a radial through hole is formed in the annular sliding groove 4-5, and the locking cylinder 4-4 can move along the radial through hole;
the locking ring 4-1 is provided with a wing plate 4-7, and the wing plate 4-7 can slide along the axial sliding groove 4-6.
3 radial through holes on the annular sliding groove 4-5 form an included angle of 120 degrees with each other, and the included angle corresponds to the position of the concave sliding groove 5-1; one end of the locking cylinder 4-4 is fixed on the clamping slide bar 6-1, and when the variable-pitch wire disc 2 rotates, the locking cylinder can move towards and away from the concave chute 5-1 along the direction of the radial through hole along with the clamping slide bar 6-1. The outer surface of the locking cylinder 4-4 is rough.
The arc-shaped sliding blocks 4-2 are positioned at two sides of the axial sliding groove 4-6 on the locking sliding sleeve 4-3. The arc-shaped sliding blocks 4-2 are provided with 3 pairs (namely 6), and the contact surface of each pair of arc-shaped sliding blocks 4-2 and the wing plate 4-7 is arc-shaped.
When the distance is changed, the locking ring 4-1 is pulled out, the wing plate 4-7 of the locking ring 4-1 slides out from the axial sliding groove 4-6, at the moment, 3 pairs of arc-shaped sliding blocks 4-2 can freely slide in the circumferential sliding way of the annular sliding groove 4-5, the lateral pressure on the locking cylinder 4-4 is reduced, and therefore the clamping sliding rod 6-1 is unlocked;
during locking, the locking ring 4-1 is inserted, the wing plate 4-7 of the locking ring 4-1 slides into the axial sliding groove 4-6, at the moment, 3 pairs of arc-shaped sliding blocks 4-2 are restrained by the wing plate 4-7 at radial through holes distributed at 120 degrees, and the locking cylinders 4-4 in the middle of the 2 arc-shaped sliding blocks are extruded, so that the locking cylinders 4-4 are locked, and the sliding rods 6-1 are locked and clamped. The clamping device ensures that the longer clamping slide bar 6-1 can be fixed at the front end and the rear end under special environments such as narrow and deep environments, so that the radial stability is realized, and reliable clamping force is provided.
As shown in the attached figure 10, the outer sleeve 1 is provided with trepanning 1-2, a wire disc window 1-3 and a ratchet wheel window 1-4; the trepanning 1-2 can be used in cooperation with a lever, so that labor is saved; the wire disc window 1-3 is used for rotating the variable-pitch wire disc 2 on the outer surface of the outer sleeve 1; the ratchet wheel window 1-4 is provided with a ratchet wheel shifting sheet 3-1 at the periphery, when the ratchet wheel window works, when the outer sleeve 1 rotates anticlockwise, the ratchet wheel shifting sheet 3-1 pushes ratchet wheel teeth 3-2 to enable the restraint sliding groove body 5 to rotate, and when the outer sleeve 1 rotates clockwise, the restraint sliding groove body 5 does not move, so that the return time is saved.
As shown in the attached figure 11, the outer sleeve 1 is in clearance fit with the constraint sliding groove body 5, the constraint sliding groove body 5 is provided with an outer edge 5-3, an inner edge 1-1 is arranged in the outer sleeve 1, and the outer edge 5-3 on the constraint sliding groove body 5 and the inner edge 1-1 in the outer sleeve 1 are mutually constrained to enable the constraint sliding groove body 5 and the outer sleeve 1 to rotate concentrically.
As shown in the attached figure 12, with the rotation of the variable-pitch wire disc 2, the clamping head 6-2 can be matched and connected with hexagon nuts with different specifications, the bolt and the nut are standard parts, and the size of the common nut is obtained by looking up the table; the length direction size of the clamping head 6-2 is determined by the thickness of a common nut, the width change is determined by the width of the common nut, and the width transition is matched with the thickness of a corresponding nut, so that the geometrical shape of the clamping surface of the clamping head is obtained. The outer surface of the variable-pitch wire disc 2 is provided with patterns, so that friction force is increased, and the variable-pitch wire disc 2 can be conveniently rotated manually.
The scope of the present invention is not limited to the above-described embodiments, and it is obvious that those skilled in the art can make various modifications and variations to the present invention without departing from the scope and spirit of the present invention. It is intended that the present invention cover the modifications and variations of this invention provided they come within the scope of the appended claims and their equivalents.
Claims (10)
1. The utility model provides a but variable pitch hex bolts sleeve which characterized in that: comprises an outer sleeve (1), a variable-pitch wire disc (2), a one-way ratchet (3), a locking device (4), a constraint sliding groove body (5) and a clamping sliding block (6); a concave sliding chute (5-1) is formed in the restraint sliding chute body (5), a locking device (4) is arranged at the front end of the restraint sliding chute body, and the tail end of the restraint sliding chute body is connected with the variable-pitch wire disc (2) in a matched mode;
the clamping slide block (6) comprises a clamping slide rod (6-1) and a clamping head (6-2), the clamping slide rod (6-1) is positioned in the concave sliding groove (5-1), one end of the clamping slide rod is connected with the clamping head (6-2), the other end of the clamping slide rod is connected with the variable-pitch wire disc (2), and the clamping slide rod (6-1) can slide along the concave sliding groove (5-1) in the radial direction by rotating the variable-pitch wire disc (2);
the one-way ratchet (3) comprises a ratchet plectrum (3-1) and ratchet teeth (3-2); the ratchet teeth (3-2) are uniformly distributed on the outer circumference of the constraint sliding groove body (5), and the ratchet poking piece (3-1) is positioned on the outer circumference of the outer sleeve (1) corresponding to the ratchet teeth (3-2);
the restraint sliding chute body (5) and the variable-pitch wire disc (2) are arranged in the outer sleeve (1).
2. A variable pitch hex bolt socket according to claim 1, wherein: the number of the concave chutes (5-1) is 3, and the included angle between every two concave chutes (5-1) is 120 degrees; each clamping slide bar (6-1) is connected with the concave chute (5-1) in a matching way and can slide along the concave chute (5-1) in the radial direction.
3. A variable pitch hex bolt bushing according to claim 2, wherein: the variable-pitch wire disc (2) is provided with a spiral plane thread (2-1), and the spiral plane thread (2-1) is an equidistant involute plane thread; one end of the clamping slide rod (6-1) is connected with the spiral plane thread (2-1) on the variable-pitch wire disc (2) in a matching way through a thread (6-3).
4. A variable pitch hex bolt socket according to claim 3, wherein: the locking device (4) comprises a locking ring (4-1), an arc-shaped sliding block (4-2), a locking sliding sleeve (4-3), a locking cylinder (4-4), an annular sliding groove (4-5), an axial sliding groove (4-6) and a wing plate (4-7); the middle of the locking sliding sleeve (4-3) is provided with an annular sliding chute (4-5), and the outer surface of the locking sliding sleeve is provided with an axial sliding chute (4-6); the arc-shaped sliding block (4-2) can slide along the annular sliding chute (4-5), a radial through hole is formed in the annular sliding chute (4-5), and the locking cylinder (4-4) can move along the radial through hole;
and wing plates (4-7) are arranged on the locking ring (4-1), and the wing plates (4-7) can slide along the axial sliding grooves (4-6).
5. A variable pitch hex bolt socket according to claim 4, wherein: the number of the radial through holes on the annular sliding groove (4-5) is 3, and the radial through holes correspond to the positions of the concave sliding grooves (5-1); the locking cylinder (4-4) can move to the concave sliding groove (5-1) along the radial through hole.
6. A variable pitch hex bolt socket according to claim 5, wherein: the arc-shaped sliding blocks (4-2) are positioned at two sides of the axial sliding grooves (4-6) on the locking sliding sleeve (4-3).
7. The variable pitch hex bolt socket of claim 6, wherein: the outer sleeve (1) is provided with a sleeve hole (1-2), a wire disc window (1-3) and a ratchet wheel window (1-4).
8. A variable pitch hex bolt socket according to claim 7, wherein: the restraint sliding groove body (5) is provided with an outer edge (5-3), an inner edge (1-1) is arranged in the outer sleeve (1), and the outer edge (5-3) on the restraint sliding groove body (5) and the inner edge (1-1) in the outer sleeve (1) are mutually restrained to enable the restraint sliding groove body (5) and the outer sleeve (1) to concentrically rotate.
9. A variable pitch hex bolt socket according to any one of claims 1-8, wherein: the clamping head (6-2) is connected with the hexagonal nut in a matching mode.
10. A variable pitch hex bolt socket according to any one of claims 1-8, wherein: patterns are arranged on the outer surface of the variable-pitch wire disc (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921151908.7U CN210588993U (en) | 2019-07-22 | 2019-07-22 | Variable-pitch hexagon bolt sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921151908.7U CN210588993U (en) | 2019-07-22 | 2019-07-22 | Variable-pitch hexagon bolt sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210588993U true CN210588993U (en) | 2020-05-22 |
Family
ID=70719630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921151908.7U Expired - Fee Related CN210588993U (en) | 2019-07-22 | 2019-07-22 | Variable-pitch hexagon bolt sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210588993U (en) |
-
2019
- 2019-07-22 CN CN201921151908.7U patent/CN210588993U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200522 Termination date: 20210722 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |