CN215617739U

CN215617739U - Head connecting rod for anisotropic transmission screwdriver

Info

Publication number: CN215617739U
Application number: CN202121007653.4U
Authority: CN
Inventors: 于广琛; 李欣
Original assignee: Tianjin Haigelisi Technology Co ltd
Current assignee: Tianjin Haigelisi Technology Co ltd
Priority date: 2021-05-12
Filing date: 2021-05-12
Publication date: 2022-01-25
Anticipated expiration: 2031-05-12

Abstract

The utility model discloses a head connecting rod for a non-reciprocal transmission screwdriver, which belongs to the technical field of screw parts and comprises an interface sleeve, a middle sleeve, a tail sleeve, an interface loop bar, a middle loop bar, a tail cover and a fastening screw, wherein the fastening screw is in threaded connection with a first through hole and a second through hole which are respectively formed in the interface sleeve and the tail sleeve, the inner walls of the first through hole and the second through hole are respectively provided with a step limiting groove, the step limiting grooves fix the screw head of the fastening screw, and the fastening screw is in threaded connection with an internal threaded hole formed in the middle sleeve. The fastening connecting rod special for the fastening screw in the different direction can be connected with a universal screwdriver head, is convenient to use and high in universality, can fasten the screw at any angle, is high in safety performance and long in service life, is convenient to disassemble, assemble and maintain, saves materials, reduces installation space, and brings more design feasibility for the structure due to the fastening form in the different direction.

Description

Head connecting rod for anisotropic transmission screwdriver

Technical Field

The utility model belongs to the technical field of screw parts, and particularly relates to a different-direction transmission bit connecting rod.

Background

The screw is used for products requiring a fastening structure and a connecting structure, and the screw fastening has been an important factor of such products.

The existing screw fastening has the problems that the use form and the modeling are fixed old, the function is single, the extension batch head connecting rod is taken as a representative, the fastening is in the direction of the central axis of the screw, the requirement on the use environment is high, the installation is complex in a narrow space, the installation space can be increased only for the installation requirement, the problems of material waste and the like are brought, and the market requirement is difficult to meet. Therefore, it is necessary to improve the existing connecting rod for the bit, so that the connecting rod can be flexibly used from any angle, has high safety performance, is convenient to disassemble, assemble and maintain, saves materials and reduces the requirement of installation space.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: the heterodromous transmission bit connecting rod aims at solving the problems that the existing screw fastening is old in use form and model fixation and single in function.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a head connecting rod for a heterodromous transmission screwdriver comprises an interface sleeve, a middle sleeve, a tail sleeve, an interface sleeve rod, a middle sleeve rod, a tail cover and a fastening screw, wherein the fastening screw is in threaded connection with a first through hole and a second through hole which are formed in the interface sleeve and the tail sleeve respectively;

the tail cover is provided with external threads and is in threaded connection with internal threads on the tail sleeve through the external threads, the semi-spherical gears are fixedly connected to one side of the interface sleeve rod, two sides of the middle sleeve rod and one side of the tail sleeve rod, the semi-spherical gears are mutually matched and connected, and the butt joints of the semi-spherical gears and the fastening screws are located on the same axis.

As a further description of the above technical solution:

the interface sleeve, the middle sleeve and the tail sleeve are connected into a whole, one end of the interface sleeve rod is inserted into the inner cavity of the interface sleeve, and the front end of the interface sleeve is provided with a third limiting step.

As a further description of the above technical solution:

the tail end of the tail sleeve rod is provided with a sleeve rod connecting handle which extends out of a tail hole of the tail cover, so that the tail sleeve rod is convenient to connect with other tools.

As a further description of the above technical solution:

the connector loop bar, the middle loop bar and the tail loop bar are respectively provided with a first oil storage tank, a second oil storage tank and a third oil storage tank for storing lubricating oil to lubricate the loop bar and the sleeve.

As a further description of the above technical solution:

the shape of semicircle sphere type gear is the hemisphere, and there are interior concave surface and a plurality of gear piece in the middle part of semicircle sphere type gear, and a plurality of gear pieces extend to interior concave surface edge from the loop bar root.

In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that:

the fastening connecting rod special for the fastening screw in the different directions can be connected with a universal screwdriver head, is convenient to use and high in universality, can fasten the screw at any angle, is high in safety performance and long in service life, is convenient to disassemble, assemble and maintain, saves materials, reduces installation space, and brings more design feasibility for the structure due to the different fastening modes.

Drawings

FIG. 1 is an exploded perspective view of a differential transmission connecting rod for a bit;

FIG. 2 is a schematic cross-sectional perspective view of a tail sleeve in a differential transmission head-extension rod according to the present invention;

FIG. 3 is a schematic three-dimensional structure view of a tail cover of a counter-rotating driving bit connecting rod according to the present invention;

FIG. 4 is a schematic view of a three-dimensional connection structure of a joint of a differential transmission connecting rod according to the present invention;

FIG. 5 is a schematic three-dimensional structure diagram of a joint sleeve in a differential transmission connecting rod according to the present invention;

FIG. 6 is a schematic perspective view of an inner concave surface and a gear piece in a counter-rotating head connecting rod according to the present invention;

fig. 7 is an assembly perspective view of the differential transmission batch head connecting rod according to the present invention.

Illustration of the drawings:

1. an interface sleeve; 2. a middle sleeve; 3. a tail sleeve; 4. an interface loop bar; 5. a middle loop bar; 6 tail loop bars; 7. a tail cover; 8. fastening screws; 9. a first through hole; 10. an internally threaded bore; 11. a first oil reservoir; 12. a second oil reservoir; 13. a third oil reservoir; 14. a first limit step; 15. a second limit step; 16. an internal thread; 17. an external thread; 18. a step limiting groove; 19. a first sleeve inner cavity; 20. a second sleeve inner cavity; 21. a plane; 22. an abutment; 23. the same axis; 24. a third limiting step; 25. a bit interface slot; 26. the tail sleeve inner cavity; 27. a second through hole; 28. the loop bar is connected with the handle; 29. a semi-spherical gear; 30. an inner concave surface; 31. a gear piece.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides a technical solution: a different-direction transmission bit head connecting rod comprises an interface sleeve 1, a middle sleeve 2, a tail sleeve 3, an interface sleeve rod 4, a middle sleeve rod 5, a tail sleeve rod 6, a tail cover 7 and a fastening screw 8, wherein a first oil storage tank 11, a second oil storage tank 12 and a third oil storage tank 13 are respectively arranged on the interface sleeve rod 4, the middle sleeve rod 5 and the tail sleeve rod 6 and are used for storing lubricating oil for lubricating the sleeve rod and the sleeve;

the front end of the interface sleeve 1 is provided with a third limiting step 24, the inner walls of the first through hole 9 and the second through hole 27 are respectively provided with a step limiting groove 18, the step limiting grooves 18 fix the screw head of a fastening screw 8, the fastening screw 8 is in threaded connection with an internal thread hole 10 formed in the middle sleeve 2, the interface sleeve 4 is prevented from being punched out from the front end, one end of the middle sleeve 5 is inserted into the inner cavity 19 of the middle sleeve, the tail sleeve 6 is inserted into the inner cavity 26 of the tail sleeve, the tail end of the tail sleeve 6 is provided with a sleeve connecting handle 28, the sleeve connecting handle 28 extends out of the tail hole of the tail cover 7, so that the interface sleeve can be conveniently connected with other tools, the tail sleeve 6 is provided with a first limiting step 14, and the first limiting step 14 is attached to a second limiting step 15 in the inner cavity of the tail sleeve 3;

be provided with external screw thread 17 on the tail-hood 7 to through the 16 threaded connection of internal thread on external screw thread 17 and the tail sleeve 3, interface loop bar 4 one side, the 5 both sides of well loop bar, the equal fixedly connected with hemisphere type gear 29 in tail loop bar 6 one side, a plurality of hemisphere type gears 29 agree with each other continuously, and hemisphere type gear 29 butt joint 22 is located same axis 23 with fastening screw 8, hemisphere type gear 29's shape is the hemisphere, and there are interior concave surface 30 and a plurality of gear piece 31 at hemisphere type gear 29's middle part, and a plurality of gear piece 31 extend to interior concave surface 30 edge from the loop bar root.

The working principle is as follows: the special fastening of incorgruous fastening screw connects the pole, but the commonality is criticized the head, and convenient to use, the commonality is strong, can fasten the screw with any angle down, and the security performance is high, long service life, the dismouting maintenance of being convenient for simultaneously, and save material reduces installation space, and the fastening form of incorgruous has brought more design feasibility for the structure.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A head connecting rod for a heterodromous transmission screwdriver comprises an interface sleeve (1), a middle sleeve (2), a tail sleeve (3), an interface sleeve (4), a middle sleeve (5), a tail sleeve (6), a tail cover (7) and a fastening screw (8), and is characterized in that the fastening screw (8) is in threaded connection with a first through hole (9) and a second through hole (27) which are respectively arranged on the interface sleeve (1) and the tail sleeve (3), step limiting grooves (18) are respectively arranged on the inner walls of the first through hole (9) and the second through hole (27), the screw heads of the fastening screw (8) are fixed by the step limiting grooves (18), the fastening screw (8) is in threaded connection with an internal threaded hole (10) arranged on the middle sleeve (2), one end of the middle sleeve (5) is inserted into an inner cavity (19) of the middle sleeve, the tail sleeve (6) is inserted into an inner cavity (26) of the tail sleeve, a first limiting step (14) is arranged on the tail sleeve rod (6), and the first limiting step (14) is attached to a second limiting step (15) of the inner cavity of the tail sleeve (3);

be provided with external screw thread (17) on tail-hood (7) to through internal thread (16) threaded connection on external screw thread (17) and the tail sleeve pipe (3), interface loop bar (4) one side, well loop bar (5) both sides, the equal fixedly connected with hemisphere type gear (29) of tail loop bar (6) one side, a plurality of hemisphere type gears (29) agree with mutually and link to each other, and hemisphere type gear (29) butt joint department (22) and fastening screw (8) are located same axis (23).

2. The counter-rotating screwdriver head connecting rod as claimed in claim 1, wherein the interface sleeve (1), the middle sleeve (2) and the tail sleeve (3) are connected into a whole, one end of the interface sleeve rod (4) is inserted into the interface sleeve inner cavity (20), and the front end of the interface sleeve (1) is provided with a third limiting step (24).

3. The counter-rotating screwdriver head connecting rod as claimed in claim 1, wherein the tail sleeve rod (6) is provided with a sleeve rod connecting handle (28) at the tail end, and the sleeve rod connecting handle (28) extends out of the tail hole of the tail cover (7).

4. The different-direction transmission batch head connecting rod according to claim 1, wherein a first oil storage tank (11), a second oil storage tank (12) and a third oil storage tank (13) are respectively arranged on the interface sleeve rod (4), the middle sleeve rod (5) and the tail sleeve rod (6).

5. The counter-rotating batch head rod according to claim 1, characterized in that the semi-spherical gear (29) is shaped as a hemisphere, the middle of the semi-spherical gear (29) has an inner concave surface (30) and a plurality of gear plates (31), and the plurality of gear plates (31) extend from the root of the loop rod to the edge of the inner concave surface (30).