CN211332946U - Combined sleeve - Google Patents
Combined sleeve Download PDFInfo
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- CN211332946U CN211332946U CN201921696466.4U CN201921696466U CN211332946U CN 211332946 U CN211332946 U CN 211332946U CN 201921696466 U CN201921696466 U CN 201921696466U CN 211332946 U CN211332946 U CN 211332946U
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Abstract
The utility model discloses a combined sleeve, which relates to the technical field of fastening tools and comprises a large sleeve internally provided with a regular hexagon through hole, a medium sleeve sleeved in the large sleeve through hole and internally provided with a regular hexagon through hole, and a small sleeve sleeved in the medium sleeve through hole and internally provided with a regular hexagon hole; the inside wall surface of the large sleeve is provided with a longitudinal sliding groove, the outside wall surface of the medium sleeve is provided with a sliding block matched with the sliding groove of the large sleeve, the inside wall surface of the medium sleeve is provided with a longitudinal sliding groove, and the outside wall surface of the small sleeve is provided with a sliding block matched with the sliding groove of the medium sleeve. The utility model avoids the phenomenon of frequently replacing the sleeve, and the size of the sleeve is maximally contained in the use range of the combined sleeve; the device has the advantages of improving the adaptability of the device, simplifying the whole structure, being convenient to use, having firm frame, reducing the abrasion of the device, improving the dismounting efficiency and shortening the manual processing time.
Description
Technical Field
The utility model belongs to the technical field of fastening tool technique and specifically relates to an interior hexagonal spanner external member.
Background
The modern industry develops rapidly, uses socket cap screw and socket cap spanner in a large amount in numerous trades, mainly has the advantage of being convenient for fasten, dismantle, be difficult to slip angle etc.. Six contact surfaces are arranged between the inner hexagon bolt and the inner hexagon wrench, the bearing is full and is not easy to damage, the inner hexagon wrench is simple and light, the inner hexagon wrench can be used for screwing the bolt in the deep hole, and the inner hexagon wrench becomes an indispensable force tool in the industrial manufacturing industry. The inner hexagon wrench has a plurality of specifications, and the complete set of inner hexagon wrench with the same belt is high in price, heavy in weight and inconvenient to carry. The fastening of a large-torque bolt can be realized by replacing the sleeve by one torque wrench, and the torque wrench becomes an indispensable helper for modern mechanical assembly.
The related portable multi-size allen key has appeared, so the utility model patent of "a many sets of stacked formula automatically regulated aperture's general purpose spanner" that luoyang bei qi er plastic limited applied for so far, proposed following design: hexagonal trepanning in setting up on the spanner head, the trepanning is equipped with the lantern ring, and the lantern ring that a plurality of sizes are different is nested each other, restricts the excessive displacement of the lantern ring through three stop screw.
The size of the excessive inner hexagonal groove has been increased for the multiple bolt size of adaptation to current stack formula or combination formula allen key, has set up the recess or the sleeve of a plurality of inner hexagons on single spanner usually, is unfavorable for the conduction of torsional force, can appear a great deal of problem when facing the great condition of required torsional force, can cause the damage of allen key, slide mouthful when causing rotatory hexagon bolt because required moment is too big easily, is not suitable for the in-service use process. Meanwhile, the structure causes the defect that the conventional inner hexagonal wrench is used, the hexagonal bolt is difficult to apply force to rotate again after the inner hexagonal wrench is aligned with the hexagonal bolt, and the hexagonal bolt cannot be accurately aligned under a good force application condition.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to provide a combined sleeve, which comprises three sleeves of different types, thereby avoiding the phenomenon that the sleeves are frequently replaced in the process of assembling complex machinery, and a plurality of bolts and nuts of different sizes can be grouped in advance according to actual conditions, so that the sizes of the bolts and the nuts are maximally contained in the application range of the combined sleeve, and the bolts and the nuts of three different sizes can be assembled and disassembled under the condition of not replacing the sleeves; the utility model discloses the sleeve is freely flexible according to actual conditions, has improved equipment adaptability, has simplified overall structure, convenient to use, and the frame is firm, has reduced equipment wear, the utility model discloses the dismouting in the complicated mechanical assembling process is accomplished to the third that can original time, has improved dismouting efficiency, has shortened manual process time.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:
a combined sleeve comprises a large sleeve, a medium sleeve and a small sleeve, wherein the large sleeve is internally provided with a regular hexagon through hole, the medium sleeve is sleeved in the large sleeve through hole and internally provided with a regular hexagon through hole, the small sleeve is sleeved in the medium sleeve through hole and internally provided with a regular hexagon hole, the outer side wall surface of the medium sleeve is matched with the internal through hole of the large sleeve, and the outer side wall surface of the small sleeve is matched with the internal through hole of the medium sleeve; the inside wall surface of the large sleeve is provided with a longitudinal sliding groove, the outside wall surface of the medium sleeve is provided with a sliding block matched with the sliding groove of the large sleeve, the inside wall surface of the medium sleeve is provided with a longitudinal sliding groove, and the outside wall surface of the small sleeve is provided with a sliding block matched with the sliding groove of the medium sleeve.
The utility model discloses technical scheme's further improvement lies in: and a limiting pin for limiting the position of the sliding block is arranged at the top end of the sliding groove.
The utility model discloses technical scheme's further improvement lies in: and a square hole is formed in the center of the top end face of the small sleeve.
The utility model discloses technical scheme's further improvement lies in: the cross section of the outer wall of the large-size sleeve is in a regular hexagon shape.
The utility model discloses technical scheme's further improvement lies in: the large-size sleeve outer wall of the large-size sleeve comprises a cylindrical side wall, and large-size sleeve outer teeth surrounding the large-size sleeve outer wall in a circle are arranged on the cylindrical side wall.
The utility model discloses technical scheme's further improvement lies in: still including installing the sleeve outrigger outside large-size sleeve outer wall, the sleeve outrigger is including cup jointing the connector that sets up the inboard groove in the middle of upper ring, the lower circle, the fixed connection upper ring of cup jointing below large-size sleeve outer tooth and lower circle in large-size sleeve outer tooth top.
The utility model discloses technical scheme's further improvement lies in: the connecting device also comprises a manual rack matched with the outer teeth of the large-size sleeve, and the appearance of the manual rack is matched with the through hole of the connecting body.
Due to the adoption of the technical scheme, the utility model discloses the technological progress who gains is:
the utility model comprises three sleeves with different models, thereby avoiding the phenomenon that the sleeves are frequently replaced in the process of assembling complex machinery, grouping a plurality of bolts and nuts with different sizes in advance according to actual conditions, leading the size of the bolts and the nuts to be maximally contained in the application range of the combined sleeve, and realizing the loading and unloading of the bolts and the nuts with three different sizes under the condition of not replacing the sleeves; the utility model discloses the sleeve is freely flexible according to actual conditions, has improved equipment adaptability, has simplified overall structure, convenient to use, and the frame is firm, has reduced equipment wear, the utility model discloses the dismouting in the complicated mechanical assembling process is accomplished to the third that can original time, has improved dismouting efficiency, has shortened manual process time.
The locating pin has avoided using the bolt to the spacing in-process bolt of restriction slider to become flexible the part that causes to lose and lead to the problem that whole structure became invalid even, has avoided the sleeve to inlay and cup joint the number of piles and too much leads to the not enough shortcoming of single sleeve structural strength, has prevented simultaneously that whole sleeve is too heavy and difficult problem of using.
The utility model discloses set up the square hole at small size telescopic up end, more convenient and current standard torque wrench's cooperation is used, has avoided the problem of the supporting anchor clamps of redesign spanner.
The large-size sleeve outer teeth and the manual rack are matched to improve the conduction effect of the torsional force, the damage to the inner hexagonal wrench caused by sliding abrasion is avoided, the condition that the required torque is too large is convenient to deal with, and the slip opening is prevented from rotating the hexagonal bolt. Meanwhile, after the inner hexagonal wrench is aligned with the hexagonal bolt, the hexagonal bolt is more easily forced to rotate again, and the hexagonal bolt can be conveniently and accurately aligned and rotated under various conditions.
The upper ring and the lower ring provide a grasping position for the action of simultaneously pulling the manual rack by holding the combined sleeve, and the force application operation of pulling the manual rack to rotate the bolt or the nut is facilitated. The connector prevents that the phenomenon of not tight with the contact of large size sleeve external tooth can appear in the in-process manual rack of twitching, has simplified the action of operation, has improved the efficiency of operation.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the split structure of the sleeve of the present invention;
FIG. 3 is a schematic view of the use of a small size sleeve;
FIG. 4 is a schematic view of a medium sized sleeve in use;
FIG. 5 is a schematic view of the use of a large sleeve;
FIG. 6 is a schematic view of the structure of the large-sized sleeve of the present invention;
fig. 7 is a schematic structural view of another form of the present invention;
FIG. 8 is a schematic view of a manual rack;
the large-size sleeve comprises a sleeve body 1, a large-size sleeve body 1a, a large-size sleeve outer wall 1b, a large-size sleeve outer tooth 2, a limiting pin 3, a middle-size sleeve body 4, a small-size sleeve body 5, a sliding groove 5a, a sliding block 6a, an upper ring 6b, a lower ring 6c, a connecting body 6d, a cylinder-mounted shell body 7 and a square hole.
Detailed Description
The present invention will be described in further detail with reference to the following examples:
example one
As shown in fig. 1 to 8, a combination sleeve includes a large-size sleeve 1, a medium-size sleeve 3, and a small-size sleeve 4. The inside regular hexagon through-hole that is provided with of large size sleeve 1 and medium size sleeve 3, medium size sleeve 3 cup joints in large size sleeve 1 through-hole, and small size sleeve 4 cup joints in medium size sleeve 3 through-hole, and the outside regular hexagon wall of medium size sleeve 3 cooperatees with large size sleeve 1's inside through-hole, and the outside regular hexagon wall of small size sleeve 4 cooperatees with medium size sleeve 3's inside through-hole. The inside wall face of large-size sleeve 1 is provided with fore-and-aft sliding tray 5, and the outside wall face of medium-size sleeve 3 is provided with slider 5a, and slider 5a cooperatees with sliding tray 5 of large-size sleeve 1. The inside wall face of sleeve 3 in the middle of is provided with fore-and-aft sliding tray 5, and the outside wall face of small size sleeve 4 is provided with slider 5a, and slider 5a cooperatees with sliding tray 5 of sleeve 3 in the middle of. Different from large-size sleeve 1, medium size sleeve 3, the up end of small-size sleeve 4 seals, the top end face center of small-size sleeve 4 is provided with square hole 7, is convenient for with the cooperation of current standard torque wrench.
The top ends of all the sliding grooves 5 are provided with limiting pins 2, the limiting pins 2 are located at the openings of the sliding grooves 5, and the limiting pins 2 limit the positions of the sliding blocks 5 a.
In order to improve the practical use efficiency, the utility model has the advantages that one combined sleeve comprises three sleeves with different models; the sleeves can freely stretch out and draw back according to actual conditions, the structure is the simplest, and the sliding blocks 5a of the two adjacent sleeves can mutually slide in the corresponding sliding grooves 5 in the assembling and using processes of the combined sleeve.
The cross section of the large-size sleeve outer wall 1a of the large-size sleeve 1 is a regular hexagon.
Example two
The difference between this embodiment and the first embodiment is the following structure, and the rest of the structure may be the same as that of the first embodiment.
The large sleeve 1 is cylindrical as the main part for the outer wall, large sleeve outer wall 1a of large sleeve 1 includes cylinder lateral wall and large sleeve external tooth 1b, is provided with large sleeve external tooth 1b around large sleeve outer wall 1a round on the cylinder lateral wall.
Still include the sleeve outrigger, the sleeve outrigger is installed at large-size sleeve outer wall 1a skin, and the sleeve outrigger sets up the connector 6c to the inboard groove including cup jointing last circle 6a in large-size sleeve external tooth 1b top, cup jointing lower circle 6b, the fixed connection of connecting upper circle 6a and lower circle 6b in large-size sleeve external tooth 1b below.
Still be provided with the manual rack with large-size sleeve external tooth 1b matched with, the appearance of manual rack cooperatees with the through-hole of connector 6c, during the use with the manual rack in insert the through-hole for the two meshes mutually, the pulling manual rack then drives the rotation of large-size sleeve external tooth 1 b.
EXAMPLE III
The present embodiment is different from the second embodiment in the following structure, and the rest of the structure may be the same as the second embodiment.
The sleeve outrigger includes cartridge casing 6d and connector 6c, and the sleeve outrigger is installed at large size sleeve outer wall 1a skin, and the sleeve outrigger can produce relative rotation for large size sleeve outer wall 1a, is provided with the horizontal gap that exposes large size sleeve external tooth 1b on the sleeve outrigger, covers the position top in this gap and is provided with connector 6 c. Be provided with the manual rack with large-size sleeve external tooth 1b matched with, the appearance of manual rack cooperatees with the through-hole of connector 6c, during the use inserts in the through-hole with manual rack for the two meshes mutually, and the manual rack of pulling then drives the rotation of large-size sleeve external tooth 1 b.
Working principle or using method:
as shown in fig. 3, for the user state that uses small size sleeve 4 to load and unload small size bolt, nut, use the utility model discloses a during combination sleeve loading and unloading small size bolt, nut, small size sleeve 4 can directly be detained on bolt, nut, because about gravity, large size sleeve 1 and large size sleeve 3 freely slide downwards, because the restriction of the spacer pin 2 of the lower terminal surface department of sliding tray 5, stop removing when medium size sleeve 3 and large size sleeve 1 slide down terminal surface and small size sleeve 4 coplane at most. If the condition that has the boss, large-size sleeve 1, well size sleeve 3 also can slide to the most suitable position, and the position is blocked by the boss.
As shown in fig. 4, the middle bolt and the nut are attached and detached by using the middle bush 3 of the combination bush. At the moment, the middle sleeve 3 can be directly buckled on a bolt and a nut, the large sleeve 1 freely slides downwards due to the left and right gravity, and the large sleeve 1 slides downwards to the position where the lower end surface of the large sleeve is coplanar with the small sleeve 4 at most due to the limitation of the limiting pin 2 on the lower end surface of the sliding groove 5. If a boss is met, the large-size sleeve 1 can freely slide to the most proper position according to actual conditions. At this time, the small-sized sleeve 4 is jacked up by the bolt and the nut, the slider 5a on the outer hexagonal surface of the small-sized sleeve 4 slides in the sliding groove 5 on the inner hexagonal surface of the middle-sized sleeve 3, and the highest sliding position is restricted by the stopper pin 2 surface-mounted on the sliding groove 5 of the middle-sized sleeve 3.
As shown in fig. 5, the large-sized bolt and the large-sized nut are attached and detached by using the large-sized socket 1 of the combination socket. At this time, the large sleeve 1 can be directly buckled on the bolt and the nut, the small sleeve 4 and the medium sleeve 3 are jacked up by the bolt and the nut, the sliding block 5a on the outer hexagonal surface of the medium sleeve 3 slides in the sliding groove 5 on the inner hexagonal surface of the large sleeve 1, and the highest sliding position is limited by the limiting pin 2 installed on the upper surface of the sliding groove 5 of the large sleeve 1.
During the use, after on aiming at corresponding bolt, nut with the sleeve, in will inserting the through-hole of connector 6c with manual rack for the two mesh mutually, press upper circle 6a or lower circle 6b or sleeve casing 6d, pull manual rack simultaneously, then drive the rotation of big size sleeve external tooth 1b this moment. The upper ring 6a or the lower ring 6b or the sleeve housing 6d provides a corresponding rotation axis for the sleeve combination, so that the sleeve combination can rotate.
Claims (7)
1. A composite sleeve, comprising: the large-size sleeve comprises a large-size sleeve (1) internally provided with a regular hexagon through hole, a medium-size sleeve (3) sleeved in the through hole of the large-size sleeve (1) and internally provided with a regular hexagon through hole, and a small-size sleeve (4) sleeved in the through hole of the medium-size sleeve (3) and internally provided with a regular hexagon hole, wherein the outer side wall surface of the medium-size sleeve (3) is matched with the internal through hole of the large-size sleeve (1), and the outer side wall surface of the small-size sleeve (4) is matched with the internal through hole of the medium-size sleeve (3); the inner side wall surface of the large sleeve (1) is provided with a longitudinal sliding groove (5), the outer side wall surface of the medium sleeve (3) is provided with a sliding block (5 a) matched with the sliding groove (5) of the large sleeve (1), the inner side wall surface of the medium sleeve (3) is provided with a longitudinal sliding groove (5), and the outer side wall surface of the small sleeve (4) is provided with a sliding block (5 a) matched with the sliding groove (5) of the medium sleeve (3).
2. A composite sleeve according to claim 1, wherein: and the top end of the sliding groove (5) is provided with a limiting pin (2) for limiting the position of the sliding block (5 a).
3. A composite sleeve according to claim 1, wherein: and a square hole (7) is formed in the center of the top end face of the small sleeve (4).
4. A composite sleeve according to claim 1, wherein: the cross section of the outer wall (1 a) of the large-size sleeve (1) is in a regular hexagon shape.
5. A composite sleeve according to claim 1, wherein: the large-size sleeve outer wall (1 a) of the large-size sleeve (1) comprises a cylindrical side wall, and large-size sleeve outer teeth (1 b) surrounding the large-size sleeve outer wall (1 a) in a circle are arranged on the cylindrical side wall.
6. A composite sleeve according to claim 5, wherein: the large-size sleeve is characterized by further comprising a sleeve outer frame arranged outside the large-size sleeve outer wall (1 a), wherein the sleeve outer frame comprises an upper ring (6 a) sleeved above the large-size sleeve outer teeth (1 b), a lower ring (6 b) sleeved below the large-size sleeve outer teeth (1 b), and a connecting body (6 c) arranged in the middle of the upper ring (6 a) and the lower ring (6 b) and facing to the inner side groove.
7. A composite sleeve according to claim 6, wherein: the connecting device also comprises a manual rack matched with the large-size sleeve external teeth (1 b), and the appearance of the manual rack is matched with the through hole of the connecting body (6 c).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921696466.4U CN211332946U (en) | 2019-10-11 | 2019-10-11 | Combined sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921696466.4U CN211332946U (en) | 2019-10-11 | 2019-10-11 | Combined sleeve |
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| Publication Number | Publication Date |
|---|---|
| CN211332946U true CN211332946U (en) | 2020-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921696466.4U Active CN211332946U (en) | 2019-10-11 | 2019-10-11 | Combined sleeve |
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| CN (1) | CN211332946U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112497129A (en) * | 2020-11-27 | 2021-03-16 | 中国航发四川燃气涡轮研究院 | Universal switching device for torque wrench of aircraft engine |
| WO2023137442A1 (en) * | 2022-01-16 | 2023-07-20 | Milwaukee Electric Tool Corporation | Faucet wrench |
-
2019
- 2019-10-11 CN CN201921696466.4U patent/CN211332946U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112497129A (en) * | 2020-11-27 | 2021-03-16 | 中国航发四川燃气涡轮研究院 | Universal switching device for torque wrench of aircraft engine |
| WO2023137442A1 (en) * | 2022-01-16 | 2023-07-20 | Milwaukee Electric Tool Corporation | Faucet wrench |
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