CN210790758U - Large-caliber dodecagonal short sleeve - Google Patents

Abstract

The utility model discloses a short sleeve of heavy-calibre dodecagonal, including end section of thick bamboo, fixed plate and top section of thick bamboo, the inside of end section of thick bamboo is provided with end inner skleeve, and the side surface mounting of end section of thick bamboo has the side channel, the fixed plate laminates in the internal surface of side channel, and the side end face of fixed plate is fixed with screw rod one, the up end of end section of thick bamboo is fixed with the baffle, and the top of screw rod one is fixed with the baffle, a top section of thick bamboo is installed in the top of baffle, and the inboard installation top inner skleeve of a top section of thick bamboo, the side surface of a top section. This short sleeve's of heavy-calibre dodecagonal key feature is because the radius of top inner skleeve is the same with end inner skleeve, and the dodecagonal setting of top inner skleeve is at the inlayer, and the dodecagonal setting of end inner skleeve is at the skin for two sets of dodecagonal sizes are different slightly, and adopt the symmetric design, very big improvement application ability, and can all fix the loop bar that different positions emboliaed, avoid the loop bar to break away from in inside, improve and connect stably.

Description

Large-caliber dodecagonal short sleeve

Technical Field

The utility model relates to a sleeve field specifically is a short sleeve of heavy-calibre dodecagonal.

Background

The sleeve is a tool prop, the end surface of the side is annular, octagonal or dodecagonal, and the like, is used for a sleeve rod needing to be connected or used as a wrench, matched with various accessories such as a handle and a connecting rod, and is suitable for screwing a bolt or a nut with a narrow or deep depression position.

At present, the caliber of a sleeve is fixed, a one-way design is adopted, the sleeve cannot be sleeved and fastened due to the fact that the radius is slightly different when the sleeve is used, the application capability is poor, and the inner side of the sleeve cannot be fixed with the sleeve when a loop bar is sleeved and is easy to fall off.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a short sleeve of heavy-calibre dodecagonal to solve among the above-mentioned background art at present, telescopic bore size is fixed, and adopts one-way design, and the radial discrepancy appears when using causes can't cup joint the fastening, and the suitability is relatively poor, and when cup jointing the loop bar, the sleeve inboard can't with cup joint fixedly, the problem that easily drops.

In order to achieve the above object, the utility model provides a following technical scheme: the large-caliber dodecagonal short sleeve comprises a bottom barrel, a fixing plate and a top barrel, wherein a bottom inner sleeve is arranged inside the bottom barrel, a side groove is formed in the side surface of the bottom barrel, the fixing plate is attached to the inner surface of the side groove, a first screw rod is fixed to the side end surface of the fixing plate, a partition plate is fixed to the upper end surface of the bottom barrel, a baffle is fixed above the first screw rod, the top barrel is installed above the baffle, a top inner sleeve is installed on the inner side of the top barrel, and a screw pile is arranged on the side surface of the top barrel.

Preferably, the outer surface of the bottom inner sleeve is of a dodecagonal structure, and the inner surface of the bottom inner sleeve is annular.

Preferably, the first screw rod is connected with the outer surface of the side groove in a threaded manner, and the fixing plate and the side groove are both recessed in the inner surface of the bottom cylinder.

Preferably, the outer surfaces of the partition plate and the baffle plate are both penetrated with a pad groove, and the outline structure of the pad groove is an annular structure.

Preferably, the bottom inner sleeve and the top inner sleeve are symmetrically distributed about a horizontal center line of the partition plate, and the inner surface of the top inner sleeve is of a dodecagonal structure.

Preferably, a second screw penetrates through the side surface of the top inner sleeve, 2 groups of the second screws are symmetrically distributed about the horizontal center line of the top inner sleeve, and the lower bottom surface of the top inner sleeve is 2-3CM lower than that of the top cylinder.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the length of the bottom barrel of the sleeve is slightly greater than that of the bottom inner sleeve, so that the compression resistance of the sleeve can be improved when the sleeve is used as a wrench, the sleeve is designed in a vertically symmetrical mode and has the characteristic of multiple functions, the arranged side grooves and the fixed plates can improve the stable connection between a loop bar sleeved between the bottom barrel and the bottom inner sleeve and the sleeve, and the situation that the loop bar falls off when the loop bar rotates in an inclined operation is avoided;

2. the purpose of the arranged pad groove is to enable the loop bar to be attached to the port of the sleeve more tightly, reduce gaps, reduce abrasion between the sleeve and the loop bar port during use and prolong the service life, and the two groups of dodecagons are slightly different in size due to the arranged top inner sleeve and the bottom inner sleeve, so that the loop bar can be attached to the loop bar more tightly, and the application capability is greatly improved due to the adoption of a symmetrical design;

3. the baffle that sets up can insert the screw with the baffle and make the inseparabler that cup joints, and the whole porous mode of cup jointing of this sleeve has stronger suitability, and cup joints the fastening, and difficult loose droing.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the bottom inner sleeve of the present invention;

fig. 3 is a schematic top view of the inner sleeve of the present invention.

In the figure: 1. a bottom cylinder; 2. a bottom inner sleeve; 3. a side groove; 4. a fixing plate; 5. a first screw rod; 6. a partition plate; 7. a pad groove; 8. a baffle plate; 9. a top cylinder; 10. jacking the inner sleeve; 11. a second screw; 12. and (4) screwing piles.

Detailed Description

Referring to fig. 1-3, the present invention provides a technical solution: a large-diameter dodecagonal short sleeve comprises a bottom barrel 1, a fixing plate 4 and a top barrel 9, wherein a bottom inner sleeve 2 is arranged inside the bottom barrel 1, a side groove 3 is arranged on the side surface of the bottom barrel 1, the fixing plate 4 is attached to the inner surface of the side groove 3, a first screw rod 5 is fixed on the side end surface of the fixing plate 4, a partition plate 6 is fixed on the upper end surface of the bottom barrel 1, a baffle plate 8 is fixed above the first screw rod 5, the top barrel 9 is installed above the baffle plate 8, a top inner sleeve 10 is installed on the inner side of the top barrel 9, a screw pile 12 is arranged on the side surface of the top barrel 9, the outer surface of the bottom inner sleeve 2 is of a dodecagonal structure, the inner surface of the bottom inner sleeve 2 is annular, the effect is that the length of the bottom barrel 1 of the sleeve is slightly larger than the length of the bottom inner sleeve 2, and after a sleeve rod is sleeved between the bottom barrel 1 and the bottom inner sleeve 2, the outer bottom, and the design of up-down symmetry is adopted, so that the multifunctional electric heating cooker has the characteristic of multiple functions;

the screw rod I5 is connected with the outer surface of the side groove 3 in a threaded manner, the fixed plate 4 and the side groove 3 are recessed in the inner surface of the bottom cylinder 1, the side groove 3 and the fixed plate 4 are arranged so as not to influence the normal sleeving of an external loop bar, the fixed plates 4 on the left side and the right side of the bottom inner sleeve 2 are drawn close to the middle by screwing the screw rod I5, the loop bar sleeved between the bottom cylinder 1 and the bottom inner sleeve 2 can be stably connected with the sleeve, the situation that the loop bar falls off when the inclined operation is performed is avoided, the working quality and the working efficiency are improved, the cushion grooves 7 penetrate through the outer surfaces of the partition plates 6 and 8, the appearance structures of the cushion grooves 7 are annular structures, the cushion grooves 7 are used for being embedded on the outer surfaces of the partition plates 8 and 6, and the loop bar is more tightly attached to the port of the sleeve, the gap is reduced, meanwhile, the abrasion between the sleeve and the end opening of the loop bar can be reduced when the sleeve is used, and the service life is prolonged;

the bottom inner sleeve 2 and the top inner sleeve 10 are symmetrically distributed about the horizontal center line of the partition 6, the inner surface of the top inner sleeve 10 is in a dodecagonal structure, the inner surface of the top inner sleeve 10 is in the dodecagonal structure, the radius of the top inner sleeve 10 is the same as that of the bottom inner sleeve 2, the dodecagonal corners of the top inner sleeve 10 are arranged on the inner layer, the dodecagonal corners of the bottom inner sleeve 2 are arranged on the outer layer, so that the sizes of the two groups of dodecagonal corners are slightly different, the two groups of dodecagonal corners can be tightly attached to the loop bars, the application capability is greatly improved due to the symmetrical design, the screw rods 11 penetrate through the side surface of the top inner sleeve 10, the screw rods 11 are symmetrically distributed about the horizontal center line of the top inner sleeve 10 to form 2 groups, the lower bottom surface of the top inner sleeve 10 is 2-3CM lower than the lower bottom surface of the top sleeve 9, and the space between the baffle 8 and, and the loop bar of the inner side of the top cylinder 9 can also utilize the threaded pile 12 to be connected with a screw to lead the sleeve connection to be tighter, the sleeve is in a whole porous sleeve connection mode, has stronger applicability, is tightly connected and fastened in a sleeve connection mode, and is not easy to loose and fall off.

The working principle is as follows: for the sleeve, the placing rack mainly comprises a bottom sleeve 1, a fixing plate 4 and a top sleeve 9, when the sleeve is used, the sleeve is placed horizontally, then a sleeve pad is plugged into the inner side of the sleeve, then the sleeve pad is pushed to move inwards, and finally the sleeve pad is attached to the inner parts of two groups of pad grooves 7, so that the sleeve rod can be isolated from a baffle plate 8 and a partition plate 6 by the sleeve pad after the sleeve rod extends into the sleeve, the abrasion between the sleeve rod and the sleeve is reduced, then the sleeve rod is plugged into the sleeve from top to bottom, if the size of the sleeve rod is slightly larger than that of the top inner sleeve 10, the sleeve can be turned over, the bottom inner sleeve 2 below is enabled to be upward, the sleeve rod is plugged into the outer surface of the bottom inner sleeve 2, the outer surface of the bottom inner sleeve 2 and the inner surface of the top inner sleeve 10 are both in a dodecagonal structure and can be connected with the sleeve rod, and the attachment, reducing the gap;

after the loop bar is plugged between the bottom inner sleeve 2 and the bottom barrel 1, the loop bar is tightly attached to the loop bar through the bottom inner sleeve 2, so that when the loop bar is operated obliquely upwards, the loop bar cannot fall off between the bottom barrel 1 and the bottom inner sleeve 2, the operation quality and efficiency are ensured, if special requirements are met, the loop bar is only fixed on the inner side of the bottom barrel 1, at the moment, the outer surface of the side groove 3 penetrates through the screw rod I5 to rotate inwards, the fixing plate 4 connected with the port of the screw rod I5 moves inwards, and the loop bar is only attached to the outer surface of the bottom inner sleeve 2;

similarly, the threaded pile 12 is arranged on the outer surface of the top barrel 9, the threaded groove is formed in the threaded pile 12, and a screw can be plugged in the threaded pile, so that a loop bar inserted into the top barrel 9 can be fixed, the gap between the baffle plate 8 and the partition plate 6 is used for exposing the top inner sleeve 10 from the lower part of the top barrel 9 and fixing the loop bar in the top inner sleeve 10 after penetrating through the second screw 11, and the using process and the working principle of the loop bar are the same.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a short sleeve of heavy-calibre dodecagonal, includes end section of thick bamboo (1), fixed plate (4) and top cylinder (9), its characterized in that: the inner sleeve (2) is arranged in the bottom barrel (1), the side groove (3) is arranged on the side surface of the bottom barrel (1), the fixing plate (4) is attached to the inner surface of the side groove (3), the first screw (5) is fixed to the side end face of the fixing plate (4), the partition plate (6) is fixed to the upper end face of the bottom barrel (1), the baffle plate (8) is fixed to the upper portion of the first screw (5), the top barrel (9) is installed above the baffle plate (8), the top inner sleeve (10) is installed on the inner side of the top barrel (9), and the screw pile (12) is arranged on the side surface of the top barrel (9).

2. A large caliber twelve angle short sleeve according to claim 1, wherein: the outer surface of the bottom inner sleeve (2) is of a dodecagonal structure, and the inner surface of the bottom inner sleeve (2) is annular.

3. A large caliber twelve angle short sleeve according to claim 1, wherein: the first screw rod (5) is in threaded connection with the outer surface of the side groove (3), and the fixing plate (4) and the side groove (3) are both recessed in the inner surface of the bottom cylinder (1).

4. A large caliber twelve angle short sleeve according to claim 1, wherein: the outer surfaces of the partition plate (6) and the baffle plate (8) are both penetrated with a pad groove (7), and the appearance structure of the pad groove (7) is an annular structure.

5. A large caliber twelve angle short sleeve according to claim 1, wherein: the bottom inner sleeve (2) and the top inner sleeve (10) are symmetrically distributed about the horizontal center line of the partition board (6), and the inner surface of the top inner sleeve (10) is of a dodecagonal structure.

6. A large caliber twelve angle short sleeve according to claim 1, wherein: and 2 groups of screws (11) are symmetrically distributed on the second screws (11) relative to the horizontal central line of the top inner sleeve (10), and the lower bottom surface of the top inner sleeve (10) is lower than that of the top cylinder (9) by 2-3 CM.

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