CN217842331U - Combined screw - Google Patents

Abstract

The application discloses combination screw, it includes the screw body, the screw body is including revolving wrong screw rod, setting up in the nut of revolving wrong screw rod top, the main oil duct has been seted up at the screw rod top, set up a plurality of branch oil mouths that are linked together with the main oil duct on the screw rod lateral wall, the oiling cavity that is linked together with the main oil duct is seted up at the nut top, still be equipped with the seal assembly who is used for carrying out the closing cap to the oiling cavity on the nut.

Description

Combined screw

Technical Field

The utility model relates to a screw technical field especially relates to a combination screw.

Background

As is well known, screws are tools that sequentially tighten a work of an object using the physics and mathematical principles of the object's bevel circular rotation and friction. Screws generally include a nut and a driver screw, by which the implement member is fastened. However, the existing screw is rusted due to air contact when in use, so that the difficulty of disassembly is increased. Therefore, a combination screw is needed.

Disclosure of Invention

The utility model discloses aim at solving one of the technical problem that exists among the prior art.

The application provides a combination screw, it includes the screw body, the screw body is including revolving wrong screw rod, setting up in the nut of revolving wrong screw rod top, the main oil duct has been seted up at the screw rod top, set up a plurality of branch oil mouths that are linked together with the main oil duct on the screw rod lateral wall, the oiling cavity that is linked together with the main oil duct is seted up at the nut top, still be equipped with the seal assembly who is used for carrying out the closing cap to the oiling cavity on the nut.

By adopting the scheme, the lubricating oil is conveniently injected into the screwing screw rod by matching the oil injection cavity, the main oil duct and the oil distribution port, so that the lubricating oil is infiltrated on the peripheral surface of the screwing screw rod, the screwing screw rod is lubricated, and the problem of difficult disassembly due to rusting is solved.

Further, a cone is arranged at the bottom of the screwing screw.

Furthermore, the cone passes through coupling assembling and can dismantle to set up on revolving the screw rod, revolve to revolve the screw rod bottom and seted up the thread groove, the fixed connecting screw who is equipped with the spiro union in the thread groove on the cone.

Further, still be equipped with the tight subassembly in top on revolving the screw rod, the tight subassembly in top is located the roof of revolving on the screw rod, is set up between roof and nut and the cover is located the tight spring in top of revolving on the screw rod including the movable sleeve, the roof bottom evenly is equipped with a plurality of ejector pins.

Furthermore, the sealing assembly comprises an installation cavity which is arranged inside the nut and is positioned on the right side of the oil injection cavity, and a sealing cover which is movably arranged between the oil injection cavity and the installation cavity in a penetrating mode.

Furthermore, the closing cap passes through spacing subassembly and sets up on the oiling cavity, spacing subassembly is including seting up in the recess at closing cap top, seting up on the lateral wall in the oiling cavity and with the slot that the recess corresponds, run through set up in the recess before on the lateral wall and peg graft in the gag lever post of slot, fixed setting up the spacing spring between gag lever post and the recess inside wall.

Furthermore, a hand-pulling plate is fixedly arranged on the limiting rod.

The beneficial effects of the utility model will be elaborated in the embodiment to make beneficial effect more obvious.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present application;

FIG. 2 is a partial cross-sectional view of a nut according to an embodiment of the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 2.

Reference numerals

1. Screwing the screw; 2. a thread groove; 3. connecting a screw rod; 4. a cone; 5. a main oil gallery; 6. an oil distributing port; 7. a nut; 8. the spring is tightly propped; 9. a top plate; 10. a top rod; 11. an oil injection cavity; 12. sealing the cover; 13. installing a cavity; 14. inserting slots; 15. a limiting rod; 16. a groove; 17. a limiting spring; 18. and (5) pulling the plate by hand.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present disclosure.

The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that embodiments of the application may be practiced in sequences other than those illustrated or described herein, and that the terms "first," "second," and the like are generally used herein in a generic sense and do not limit the number of terms, e.g., the first term can be one or more than one. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/", and generally means that the former and latter related objects are in an "or" relationship.

The embodiments of the present application are described in detail below with reference to the accompanying drawings through specific embodiments and application scenarios thereof.

Example 1:

as shown in fig. 1-3, the present embodiment provides a combination screw, which includes a screw body, the screw body includes a screwing screw 1 and a nut 7 disposed at a top of the screwing screw 1, a main oil gallery 5 is disposed at the top of the screw, a plurality of oil distribution ports 6 communicated with the main oil gallery 5 are disposed on an outer side wall of the screw, an oil filling cavity 11 communicated with the main oil gallery 5 is disposed at a top of the nut 7, and a sealing component for sealing the oil filling cavity 11 is further disposed on the nut 7. Through the cooperation of the oil injection cavity 11, the main oil duct 5 and the oil distribution port 6, lubricating oil can be conveniently injected into the screwing screw 1, so that lubricating oil is infiltrated on the peripheral surface of the screwing screw 1, the screwing screw 1 is lubricated, and the problem of poor disassembly caused by rusting is solved.

The bottom of the screwing screw 1 is provided with a cone 4. The cone 4 is arranged to facilitate the driving of the screwing screw 1 into the object.

The cone 4 can be detachably arranged on the screwing screw rod 1 through the connecting assembly, the bottom of the screwing screw rod 1 is provided with a thread groove 2, and the cone head is fixedly provided with a connecting screw rod 3 screwed in the thread groove 2. The connecting component is arranged, so that the cone 4 can be conveniently detached and replaced on the screwing screw 1.

The screwing screw 1 is further provided with a jacking component, the jacking component comprises a top plate 9 movably sleeved on the screwing screw 1 and a jacking spring 8 arranged between the top plate 9 and the screw cap 7 and sleeved on the screwing screw 1, and a plurality of ejector rods 10 are uniformly arranged at the bottom of the top plate 9. The setting of the tight subassembly in top is twisted the screw back to the article on, under the effect of the tight spring 8 in top, and the tight subassembly in top plays the tight effect in reverse top to the screw, helps improving the fastening effect to the article.

The sealing assembly comprises a mounting cavity 13 arranged inside the nut 7 and positioned on the right side of the oiling cavity 11, and a sealing cover 12 movably arranged between the oiling cavity 11 and the mounting cavity 13 in a penetrating manner. The provision of a sealing assembly, under the action of the cover 12, helps to prevent the ingress of dirt and liquid into the interior of the screwdriver screw 1. The cap 12 is slidable between the oil injection cavity 11 and the mounting cavity 13.

The seal cover 12 is arranged on the oil injection cavity 11 through a limiting component, and the limiting component comprises a groove 16 arranged at the top of the seal cover 12, a slot 14 arranged on the inner side wall of the oil injection cavity 11 and corresponding to the groove 16, a limiting rod 15 which is arranged in the groove 16 in a penetrating manner, is arranged on the front side wall and is inserted into the slot 14, and a limiting spring 17 fixedly arranged between the limiting rod 15 and the inner side wall of the groove 16. The arrangement of the limiting component plays a limiting role in the position of the sealing cover 12, and the sealing cover 12 is prevented from moving on the oil injection cavity 11 at will.

A hand-pulling plate 18 is fixedly arranged on the limiting rod 15. The arrangement of the hand-pulling plate 18 is convenient for manually pulling the limiting rod 15. During the use, through pulling handle board 18, handle board 18 drives gag lever post 15, and spacing spring 17 is compressed, and gag lever post 15 draws out from slot 14 is interior, and closing cap 12 breaks away from spacingly, then 13 inboard removal closing cap 12 of case installation cavity, and oiling cavity 11 exposes in the air, injects lubricating oil into oiling cavity 11 this moment.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element. Further, it should be noted that the scope of the methods and apparatus of the embodiments of the present application is not limited to performing the functions in the order illustrated or discussed, but may include performing the functions in a substantially simultaneous manner or in a reverse order based on the functions involved, e.g., the methods described may be performed in an order different than that described, and various steps may be added, omitted, or combined. In addition, features described with reference to certain examples may be combined in other examples.

While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (7)

1. A combination screw, characterized in that: the novel oil injection screw comprises a screw body, the screw body comprises a screw rod and a nut, the screw rod is arranged on the nut, the nut is arranged at the top of the screw rod, a main oil duct is formed in the top of the screw rod, a plurality of oil distribution ports communicated with the main oil duct are formed in the outer side wall of the screw rod, an oil injection cavity communicated with the main oil duct is formed in the top of the nut, and a sealing assembly used for sealing the oil injection cavity is further arranged on the nut.

2. A combination screw according to claim 1, wherein: and a cone is arranged at the bottom of the screwing screw.

3. A combination screw according to claim 2, wherein: the cone can be dismantled through coupling assembling and set up on revolving to twist the screw rod, revolve to twist the screw rod bottom and seted up the thread groove, the fixed connecting screw who is equipped with the spiro union in the thread groove on the cone.

4. A combination screw according to claim 1, wherein: the screw tightening device is characterized in that a tightening component is further arranged on the screwing screw, the tightening component comprises a top plate and a tightening spring, the top plate is movably sleeved on the screwing screw, the tightening spring is arranged between the top plate and a nut and sleeved on the screwing screw, and a plurality of ejector rods are uniformly arranged at the bottom of the top plate.

5. A combination screw according to claim 1, wherein: the sealing assembly comprises an installation cavity arranged in the nut and positioned on the right side of the oil injection cavity, and a sealing cover movably arranged between the oil injection cavity and the installation cavity in a penetrating mode.

6. A combination screw according to claim 5, wherein: the seal cover is arranged on the oil injection cavity through the limiting component, and the limiting component comprises a groove arranged at the top of the seal cover, a slot arranged on the inner side wall of the oil injection cavity and corresponding to the groove, a limiting rod arranged on the inner front side wall of the groove in a penetrating mode and inserted into the slot, and a limiting spring fixedly arranged between the limiting rod and the inner side wall of the groove.

7. A combination screw according to claim 6, wherein: and a hand-pulling plate is fixedly arranged on the limiting rod.

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