CN216895616U

CN216895616U - A novel adjustable lead screw for agricultural machinery

Info

Publication number: CN216895616U
Application number: CN202220144690.8U
Authority: CN
Inventors: 姚建宏; 吴晓红; 苏建峰; 姚烨煜
Original assignee: Wuxi Fujiate Machinery Co ltd
Current assignee: Wuxi Fujiate Machinery Co ltd
Priority date: 2022-01-19
Filing date: 2022-01-19
Publication date: 2022-07-05
Anticipated expiration: 2032-01-19

Abstract

The utility model discloses a novel adjustable screw rod for agricultural machinery, which comprises a connecting piece: the clamping pile is fixedly arranged inside the connecting piece, and the bottom end of the clamping pile is fixedly connected with the inner bottom wall of the connecting piece; and the threaded hole is formed in the outer wall of the connecting piece. This a novel adjustable lead screw for agricultural machinery, be provided with connecting piece and closing member, first lead screw and second lead screw accessible connecting piece and closing member splice, and the inside of connecting piece is provided with the block stake, use through the cooperation of block stake and spacing groove, the end fixing effect of first lead screw and second lead screw has not only been strengthened, also made things convenient for the end position to first lead screw and second lead screw to adjust, the lead screw after the improvement is convenient for splice equipment and use, break fixed dimension's restriction, make the suitability of lead screw better, application scope is comparatively extensive, can be according to the length of use needs to the lead screw, the size is adjusted, comparatively obvious use limitation has been reduced.

Description

A novel adjustable lead screw for agricultural machinery

Technical Field

The utility model relates to the technical field of screw rods, in particular to a novel adjustable screw rod for agricultural machinery.

Background

Agricultural machinery, i.e. agricultural machinery, is a general name for various mechanical equipment used in agricultural production, such as: large and small tractors, land leveling machinery and the like. The lead screw is one of the most common basic mechanical parts, widely used in various industries and is an indispensable component in agricultural machinery, and usually, a plurality of lead screws are assembled in one agricultural machine, and the functions of different lead screws are different. However, the existing screw rod still has shortcomings, such as a novel adjustable screw rod with the application number of 201721909626.X, and the screw rod has the following problems in use:

1. the existing screw rod is inconvenient to splice, assemble and use, is generally fixed in size, so that the applicability of the screw rod is poor, the application range is limited, the length and the size of the screw rod cannot be adjusted according to the use requirement, obvious use limitation exists, and more inconvenience is brought to the use of the screw rod;

2. the existing screw rod is not provided with a protective layer, so that the surface of the screw rod is easy to rust and rot, if the screw rod is not replaced, the rust and the rot can gradually corrode the inside of the screw rod, the use of the screw rod is influenced, and if the screw rod is replaced, an inner core of the screw rod is still intact, so that unnecessary resource waste is caused.

Aiming at the problems, innovative design is urgently needed on the basis of the original screw rod structure.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a novel adjustable screw rod for agricultural machinery, and aims to solve the problems that the screw rod is inconvenient to splice, assemble and use, generally has a fixed size, so that the applicability of the screw rod is poor, the application range is limited, the length and the size of the screw rod cannot be adjusted according to the use requirement, a protective layer is not arranged, so that the surface of the screw rod is easy to rust and rot, if the screw rod is not replaced, the inside of the screw rod is gradually corroded by the rust and the rot, the use of the screw rod is influenced, and if the screw rod is replaced, the inner core of the screw rod is still intact, and unnecessary resource waste is caused.

In order to achieve the purpose, the utility model provides the following technical scheme: a novel adjustable lead screw for agricultural machinery, includes the connecting piece:

the clamping pile is fixedly arranged inside the connecting piece, and the bottom end of the clamping pile is fixedly connected with the inner bottom wall of the connecting piece;

the threaded hole is formed in the outer wall of the connecting piece, and a fastening bolt is connected to the inner wall of the threaded hole in a threaded mode;

a closing member fixedly installed on the top of the connecting member;

the end part of the first screw rod is fixed on the inner side of the connecting piece, the first screw rod comprises a first rod body and a positive thread, the positive thread is arranged on the outer surface of the first rod body, the outer wall of the first screw rod is provided with a thread groove, and the top of the first screw rod is provided with a limiting groove;

and the end part of the second screw rod is fixed on the inner side of the connecting piece, the second screw rod comprises a second rod body and reverse threads, and the reverse threads are arranged on the outer wall of the second rod body.

Preferably, the connecting piece and the first screw rod form a clamping connection structure through the clamping pile and the limiting groove, the outer wall of the clamping pile is attached to the inner wall of the limiting groove, and the shape and the size of the limiting groove are matched with those of the clamping pile.

Preferably, one end of the fastening bolt penetrates through the outer wall of the connecting piece and extends to the inner wall of the sealing piece, one end of the fastening bolt is in threaded connection with the outer wall of the first screw rod, and the connecting piece, the sealing piece and the first screw rod are fixedly connected through the fastening bolt.

Preferably, the fastening bolt is in threaded connection with the outer wall of the first screw rod through thread grooves, and the thread grooves are equidistantly arranged on the outer wall of the first screw rod.

Preferably, the first rod body comprises an outer metal tube, a core rod and a sealing cover, the core rod is arranged inside the outer metal tube, the sealing cover is fixedly connected to the end of the core rod, and the sealing cover is clamped and fixed to the end of the outer metal tube.

Preferably, the metal outer tube is including pipe casing, tin cladding material and dull polish layer, and the outer wall plating of pipe casing is equipped with tin cladding material, and the inner wall of pipe casing is provided with the dull polish layer, and the metal outer tube is tin cladding material, pipe casing and dull polish layer from outside to inside in proper order.

Preferably, the core rod is installed inside the metal outer tube, the inner wall of the metal outer tube is movably connected with and attached to the outer wall of the core rod, and the inner size of the metal outer tube is completely matched with the outer size of the core rod.

Preferably, the number of the limiting grooves is ten, the ten limiting grooves are divided into two groups, and the two groups of limiting grooves are symmetrically arranged on the upper side and the lower side of the first screw rod.

Compared with the prior art, the utility model provides a novel adjustable screw rod for agricultural machinery, which has the following advantages:

1. the improved lead screw is convenient to splice, assemble and use, and breaks the limit of fixed size, so that the lead screw has better applicability and wider application range, the length and the size of the lead screw can be adjusted according to the use requirement, more obvious use limitation is reduced, and more convenience is brought to the use of the lead screw;

2. the first rod body is composed of a metal outer tube, a core rod and a sealing cover, the core rod is sealed inside the metal outer tube by the sealing cover, if the metal outer tube is corroded and decayed, the core rod can be taken out of the old metal outer tube and put into a new metal outer tube for continuous use, meanwhile, the metal outer tube is composed of a tube shell, a tin coating and a frosting layer, an acid and alkali corrosion resistant protective layer can be formed on the outer wall of the tube shell through the tin coating, the improved lead screw is provided with a protective layer, the surface of the lead screw is not easy to be corroded and decayed, the damaged part of the lead screw can be independently replaced, the interior of the lead screw can be gradually eroded through corrosion and decay, a complete inner core of the lead screw can be put into use again, and unnecessary resource waste is reduced.

Drawings

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

FIG. 2 is a schematic cross-sectional structural view of the present invention;

FIG. 3 is a side cross-sectional structural schematic view of the present invention;

FIG. 4 is a schematic view of the structural connection between the first rod and the sealing cap according to the present invention;

FIG. 5 is a schematic cross-sectional view of the metal outer tube of the present invention.

In the figure: 1. a connecting member; 2. pile clamping; 3. a threaded hole; 4. fastening a bolt; 5. a closure; 6. a first lead screw; 61. a first rod body; 611. a metal outer tube; 6111. a tube housing; 6112. tin plating; 6113. sanding layer; 612. a core bar; 613. a sealing cover; 62. a positive thread; 7. a thread groove; 8. a limiting groove; 9. a second screw rod; 91. a second rod body; 92. reverse threading.

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. 1-5, the present invention provides a technical solution: a novel adjustable lead screw for an agricultural machine, comprising: a connecting piece 1, a clamping pile 2, a threaded hole 3, a fastening bolt 4, a closing piece 5, a first screw rod 6, a first rod body 61, a metal outer pipe 611, a pipe shell 6111, a tin plating layer 6112, a frosting layer 6113, a core rod 612, a sealing cover 613, a forward thread 62, a thread groove 7, a limiting groove 8, a second screw rod 9, a second rod body 91 and a reverse thread 92,

the clamping pile 2 is fixedly arranged inside the connecting piece 1, and the bottom end of the clamping pile 2 is fixedly connected with the inner bottom wall of the connecting piece 1;

the threaded hole 3 is formed in the outer wall of the connecting piece 1, and a fastening bolt 4 is connected to the inner wall of the threaded hole 3 in a threaded mode;

a closing member 5 fixedly installed on the top of the connecting member 1;

the end part of the first screw rod 6 is fixed on the inner side of the connecting piece 1, the first screw rod 6 comprises a first rod body 61 and a positive thread 62, the positive thread 62 is arranged on the outer surface of the first rod body 61, the outer wall of the first screw rod 6 is provided with a thread groove 7, and the top of the first screw rod 6 is provided with a limiting groove 8;

the end of the second lead screw 9 is fixed on the inner side of the connecting member 1, the second lead screw 9 comprises a second rod 91 and a reverse thread 92, and the reverse thread 92 is arranged on the outer wall of the second rod 91.

Specifically, as shown in fig. 2 and fig. 3, the connecting member 1 and the first lead screw 6 form a clamping connection structure through the clamping pile 2 and the limiting groove 8, the outer wall of the clamping pile 2 is attached to the inner wall of the limiting groove 8, the shape and size of the limiting groove 8 are matched with those of the clamping pile 2, and the connecting effect of the connecting member 1 and the first lead screw 6 is enhanced by clamping through the clamping pile 2 and the limiting groove 8, so that the end of the first lead screw 6 can be more stably installed in the connecting member 1;

as shown in fig. 1 and 3, one end of the fastening bolt 4 penetrates through the outer wall of the connecting piece 1 and extends to the inner wall of the sealing piece 5, one end of the fastening bolt 4 is in threaded connection with the outer wall of the first lead screw 6, and the connecting piece 1, the sealing piece 5 and the first lead screw 6 are fixedly connected through the fastening bolt 4;

specifically, as shown in fig. 1 and 3, the fastening bolt 4 is in threaded connection with the outer wall of the first lead screw 6 through a thread groove 7, and the thread grooves 7 are equidistantly arranged on the outer wall of the first lead screw 6;

specifically, as shown in fig. 2 and 4, the first rod 61 includes a metal outer tube 611, a core rod 612, and a sealing cover 613, the core rod 612 is disposed inside the metal outer tube 611, the sealing cover 613 is fixedly connected to an end of the core rod 612, the sealing cover 613 is fastened and fixed to the end of the metal outer tube 611, and the core rod 612 can be sealed inside the metal outer tube 611 by the sealing cover 613;

specifically, as shown in fig. 2 and 5, the metal outer tube 611 includes a tube shell 6111, a tin plating layer 6112 and a frosted layer 6113, the tin plating layer 6112 is plated on the outer wall of the tube shell 6111, the frosted layer 6113 is disposed on the inner wall of the tube shell 6111, the tin plating layer 6112, the tube shell 6111 and the frosted layer 6113 are sequentially disposed on the metal outer tube 611 from outside to inside, the outer wall of the tube shell 6111 has acid and alkali corrosion resistance through the tin plating layer 6112, and the design of the frosted layer 6113 increases the friction between the inner wall of the tube shell 6111 and the core rod 612, so that the core rod 612 can be more stably mounted inside the tube shell 6111;

specifically, as shown in fig. 2, the core rod 612 is installed inside the metal outer tube 611, the inner wall of the metal outer tube 611 is movably connected and attached to the outer wall of the core rod 612, and the inner dimension of the metal outer tube 611 is completely matched with the outer dimension of the core rod 612, so that the metal outer tube 611 can be independently replaced when the metal outer tube 611 is corroded due to the detachable design of the metal outer tube 611 and the core rod 612;

specifically as shown in fig. 2, the number of the limiting grooves 8 is ten, the ten limiting grooves 8 are divided into two groups, the two groups of limiting grooves 8 are symmetrically arranged on the upper side and the lower side of the first screw rod 6, and the clamping of the clamping pile 2 is facilitated through the arranged limiting grooves 8.

The working principle is as follows: when the novel adjustable lead screw for agricultural machinery is used, according to the figures 1, 2, 3, 4 and 5, firstly, the closing piece 5 is opened, the end part of the first lead screw 6 is clamped into the connecting piece 1, the clamping pile 2 is clamped into the corresponding limiting groove 8, the end part of the second lead screw 9 is fixed into the connecting piece 1 in the same way, then the closing piece 5 is covered on the top of the connecting piece 1, then the fastening bolt 4 is used for fixing the end parts of the first lead screw 6 and the second lead screw 9 between the connecting piece 1 and the closing piece 5, and the design of the clamping pile 2 and the limiting groove 8 not only enhances the end part fixing effect of the first lead screw 6 and the second lead screw 9, but also facilitates the adjustment of the end part positions of the first lead screw 6 and the second lead screw 9, a user can splice the first lead screw 6 and the second lead screw 9 according to requirements, and simultaneously the first rod body 61 is composed of the metal outer pipe 611, the metal outer pipe, the clamping pile, and the clamping pile are respectively, and the clamping pile, and the clamping, and the clamping, are respectively, can be used for clamping, and the clamping, can be used for clamping, the clamping, and the clamping, and the clamping, and the clamping, and the clamping, the clamping device, and the, The core rod 612 and the sealing cover 613 are formed, the sealing cover 613 is used for sealing the core rod 612 inside the metal outer tube 611, if the surface of the metal outer tube 611 is rusted and decayed, the core rod 612 can be taken out of the old metal outer tube 611 and then put into a new metal outer tube 611 for new use, and the first rod body 61 does not need to be integrally replaced, in addition, the metal outer tube 611 is formed by a tube shell 6111, a tin plating layer 6112 and a frosting layer 6113, the tin plating layer 6112 can form an acid and alkali corrosion resistant protective layer on the outer wall of the tube shell 6111, so that the outer wall of the tube shell 6111 has acid and alkali corrosion resistant capability, and the frosting layer 6113 is designed to increase the friction force between the inner wall of the tube shell 6111 and the core rod 612, so that the core rod 612 can be more stably installed inside the tube shell 6111, and the whole use effect of the first lead screw 6 is enhanced.

Those not described in detail in this specification are within the skill of the art.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A novel adjustable lead screw for agricultural machinery, including connecting piece (1), its characterized in that:

the clamping pile (2) is fixedly arranged inside the connecting piece (1), and the bottom end of the clamping pile (2) is fixedly connected with the inner bottom wall of the connecting piece (1);

the threaded hole (3) is formed in the outer wall of the connecting piece (1), and a fastening bolt (4) is connected to the inner wall of the threaded hole (3) in a threaded mode;

a closing piece (5) fixedly installed on the top of the connecting piece (1);

the end part of the first screw rod (6) is fixed on the inner side of the connecting piece (1), the first screw rod (6) comprises a first rod body (61) and a forward thread (62), the forward thread (62) is arranged on the outer surface of the first rod body (61), a thread groove (7) is formed in the outer wall of the first screw rod (6), and a limiting groove (8) is formed in the top of the first screw rod (6);

the end part of the second screw rod (9) is fixed on the inner side of the connecting piece (1), the second screw rod (9) comprises a second rod body (91) and reverse threads (92), and the reverse threads (92) are arranged on the outer wall of the second rod body (91).

2. The new adjustable lead screw for agricultural machinery of claim 1, characterized in that: the connecting piece (1) and the first screw rod (6) form a clamping connection structure through the clamping pile (2) and the limiting groove (8), the outer wall of the clamping pile (2) is attached to the inner wall of the limiting groove (8), and the shape and the size of the limiting groove (8) are matched with those of the clamping pile (2).

3. The new adjustable lead screw for agricultural machinery of claim 1, characterized in that: one end of the fastening bolt (4) penetrates through the outer wall of the connecting piece (1) and extends to the inner wall of the closing piece (5), one end of the fastening bolt (4) is in threaded connection with the outer wall of the first screw rod (6), and the connecting piece (1), the closing piece (5) and the first screw rod (6) are fixedly connected through the fastening bolt (4).

4. The new adjustable lead screw for agricultural machinery of claim 1, characterized in that: the fastening bolt (4) is in threaded connection with the outer wall of the first screw rod (6) through a thread groove (7), and the thread grooves (7) are arranged on the outer wall of the first screw rod (6) at equal intervals.

5. The new adjustable lead screw for agricultural machinery of claim 1, characterized in that: the first rod body (61) comprises a metal outer tube (611), a core rod (612) and a sealing cover (613), the core rod (612) is arranged inside the metal outer tube (611), the sealing cover (613) is fixedly connected to the end portion of the core rod (612), and the sealing cover (613) is clamped and fixed to the end portion of the metal outer tube (611).

6. The novel adjustable lead screw for agricultural machinery of claim 5, wherein: the metal outer pipe (611) comprises a pipe shell (6111), a tin coating (6112) and a frosted layer (6113), the tin coating (6112) is plated on the outer wall of the pipe shell (6111), the frosted layer (6113) is arranged on the inner wall of the pipe shell (6111), and the tin coating (6112), the pipe shell (6111) and the frosted layer (6113) are sequentially arranged on the metal outer pipe (611) from outside to inside.

7. The novel adjustable lead screw for agricultural machinery of claim 5, wherein: the core rod (612) is arranged inside the metal outer tube (611), the inner wall of the metal outer tube (611) is movably connected and attached with the outer wall of the core rod (612), and the inner size of the metal outer tube (611) is completely matched with the outer size of the core rod (612).

8. The new adjustable lead screw for agricultural machinery of claim 1, characterized in that: the number of the limiting grooves (8) is ten, the ten limiting grooves (8) are divided into two groups, and the two groups of limiting grooves (8) are symmetrically arranged on the upper side and the lower side of the first screw rod (6).