CN217873622U

CN217873622U - Locking connection structure, spade handle and spade utensil

Info

Publication number: CN217873622U
Application number: CN202221728870.7U
Authority: CN
Inventors: 杨晓维; 白海川; 刘文纪; 王强; 张宝君
Original assignee: Taigu Changlin Shovel Co ltd
Current assignee: Taigu Changlin Shovel Co ltd
Priority date: 2022-07-06
Filing date: 2022-07-06
Publication date: 2022-11-22
Anticipated expiration: 2032-07-06

Abstract

The utility model provides a locking connection structure, spade handle and spade utensil relates to agricultural instrument technical field, and the spade handle who has solved existence among the prior art adopts traditional segmentation design, appears becoming flexible and even the problem of damage in perhaps appearing the threaded connection position because of the atress is too big easily in relapse long-term use. The structure comprises a first joint, a second joint and a locking part, wherein the free end of a spade head connecting rod and one end of an extension rod are both connected with the first joint, the free end of a handle connecting rod and the other end of the extension rod are both connected with the second joint, the first joint and the second joint form detachable connection through splicing, and the outer wall of the second joint is tightly attached to the inner wall of the first joint; the locking portion is established in the periphery of second joint and locking portion can rotate relative to the second joint, and the first joint can stretch into between locking portion and the second joint and can form between first joint and the locking portion and dismantle the connection.

Description

Locking connection structure, spade handle and spade utensil

Technical Field

The utility model belongs to the technical field of agricultural instrument technique and specifically relates to a locking connection structure, spade handle and spade utensil are related to.

Background

Spade utensil as outdoor instrument, mainly includes spade head, handle and spade handle, and the spade handle often adopts the segmentation design, includes spade head connecting rod, handle connecting rod and extension bar again usually, and spade head connecting rod is connected with the spade head, and the handle connecting rod is connected with the handle, and spade head connecting rod can lug connection with the handle connecting rod, also can set up the extension bar between spade head connecting rod and handle connecting rod to satisfy multiple demand.

For convenience of carrying, the shovel handles are often designed in a conventional sectional manner, i.e., two adjacent shovel handles are connected by screw threads.

However, the applicant has found that at least the following technical problems exist in the prior art:

in the repeated long-term use process, the spade handle is stressed, and the general threaded connection is easy to loosen in the use process; especially for shovels dug deeply and having large soil output, the connection part is easy to loosen and not be opened due to the damage of the threaded connection part caused by overlarge stress, and bad experience is brought to users.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide locking connection structure, spade handle and spade utensil to the spade handle that exists among the solution prior art adopts traditional segmentation design, perhaps appears becoming flexible and even the technical problem who damages in the threaded connection position because of the atress is too big easily appearing in relapse long-term use. The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides an anti-loose connecting structure, including first joint, second joint and locking portion, the free end of spade head connecting rod and one end of extension bar all are connected with the first joint, the free end of handle connecting rod and the other end of extension bar all are connected with the second joint, the first joint with the second joint forms detachable connection through the grafting and the outer wall of second joint closely laminates with the inner wall of first joint;

the locking portion is established the periphery that the second connects just locking portion can be relative the second connects and rotates, first joint can stretch into locking portion with between the second connects just first joint with can form and dismantle the connection between the locking portion.

As a further improvement of the present invention, the first joint includes an insertion section and a first connection section, the insertion section is fixedly connected with the first connection section, and a connection portion between the insertion section and the first connection section is formed with a limit portion, the first connection section is inserted into a free end of the spade head connection rod or an end portion of the extension bar to form a fixed connection with the corresponding spade head connection rod or the extension bar, and an end surface of the spade head connection rod or the extension bar can abut against the limit portion; and a matching hole matched with the second connector is formed in the first connector.

As a further improvement of the utility model, the spade head connecting rod and the extension rod are respectively in threaded connection with the corresponding first connecting section and are bonded by adopting thread glue;

or the spade head connecting rod and the extension rod are fixedly connected with the corresponding first connecting section in a welding mode respectively.

As a further improvement of the utility model, the second connects including insertion section and second linkage segment, insertion section with second linkage segment fixed connection, the second linkage segment can insert in the free end of handle connecting rod or in the tip of extension bar with corresponding the handle connecting rod or the extension bar forms fixed connection, insertion section can stretch into the mating holes is in order to form plug-in connection.

As a further improvement of the utility model, the handle connecting rod and the extension bar are respectively in threaded connection with the corresponding second connecting sections and are bonded by adopting thread glue;

or the handle connecting rod and the extension rod are fixedly connected with the corresponding first connecting sections in a welding mode respectively.

As a further improvement of the utility model, the mating holes is the hexagonal hole, the insertion section is the hexagonal plug, the hexagonal plug can insert the hexagonal is downthehole just the hexagonal plug with hexagonal hole plug-in connection, the outer wall of hexagonal plug with the inner wall in hexagonal hole closely laminates.

As a further improvement, the second joint is provided with a first annular boss on the circumferential outer side wall, a second annular boss is arranged on the end inner side wall of the locking part, the second annular boss is located the first annular boss and between the ends of the handle connecting rods, or the second annular boss is located the first annular boss and between the ends of the extension rod.

As a further improvement of the utility model, be provided with the internal thread on the inner wall of locking portion, be provided with on the outer wall of first joint with internal thread matched with external screw thread, locking portion with can pass through between the first joint the internal thread with the external screw thread forms threaded connection.

The utility model provides a spade handle, includes spade head connecting rod, handle connecting rod, extension bar and locking connection structure, spade head connecting rod with between the extension bar with between the handle connecting rod and spade head connecting rod with can pass through between the handle connecting rod locking connection structure forms the connection.

The utility model provides a spade utensil, includes spade head, handle portion and set up in the spade head with spade handle between the handle portion, wherein, the spade handle is foretell spade handle, spade head connecting rod with spade head portion connects, the handle connecting rod with handle portion connects.

The utility model provides an anti-loosening connection structure, including the first joint, the second connects and locking portion, the free end of spade head connecting rod and the one end of extension bar all are connected with the first joint, the free end of handle connecting rod and the other end of extension bar all are connected with the second and connect, when first joint and second articulate, only need connect the second in the disect insertion first joint, make both closely cooperate, thereby can make the second connect to be difficult to extract from the first joint, and second joint and first articulate back, the second connects and first joint both can not relative rotation, also need not carry out swivelling joint simultaneously, so before spade head connecting rod is connected with the handle connecting rod, can put hand body and spade head body orientation between the two earlier, just afterwards connect first on the spade head connecting rod and peg graft with the second on the handle connecting rod according to this orientation, in addition, locking portion has been set up on the second connects, the first joint can stretch into between locking portion and the second connects and first joint and locking portion threaded connection. When the second joint extends into the first joint, a part of section on the first joint can enter between the locking part and the second joint, and then the locking part is rotated, so that the inner wall of the locking part is in threaded connection with the outer wall of the first plug, and the locking part plays a role in further reinforcing connection. The spade handle with the sectional design can avoid the condition that the connecting part is loosened or damaged in the long-term repeated use process or when the stress is overlarge.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a half sectional view of a shovel implement according to an embodiment of the present invention;

FIG. 2 is an exploded view of a shovel implement according to an embodiment of the present invention;

FIG. 3 is a half sectional view of the connection between the shovel head and the shovel head connecting rod of the shovel tool provided by the embodiment of the present invention;

FIG. 4 is an enlarged view of portion A of FIG. 3;

FIG. 5 is a half sectional view of the connection between the handle portion and the handle connecting rod of the shovel tool in accordance with an embodiment of the present invention;

fig. 6 is an enlarged view of a portion B in fig. 5.

Reference numerals: 1. a spade head; 2. a handle portion; 3. a shovel shaft; 31. a spade head connecting rod; 32. a handle connecting rod; 33. lengthening a rod; 4. an anti-loose connecting structure; 41. a first joint; 411. a plug section; 4111. an external thread; 412. a first connection section; 413. a limiting part; 414. a mating hole; 42. a second joint; 421. an insertion section; 422. a second connection section; 423. a first annular boss; 5. a locking portion; 51. a second annular boss.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be noted that "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like refer to orientations or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Moreover, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "connected" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as the case may be, by those of ordinary skill in the art.

Example 1:

the utility model provides a locking connection structure 4 is used on the spade utensil, and is specific, refer to fig. 1-6, including first joint 41, second joint 42 and locking portion 5, the free end of spade head connecting rod 31 and the one end of extension bar 33 all are connected with first joint 41, and the free end of handle connecting rod 32 and the other end of extension bar 33 all are connected with second joint 42, and first joint 41 and second joint 42 form detachable connection through the grafting and the outer wall of second joint 42 closely laminates with the inner wall of first joint 41; the locking part 5 is sleeved on the periphery of the second joint 42, the locking part 5 can rotate relative to the second joint 42, the first joint 41 can extend into the space between the locking part 5 and the second joint 42, and the first joint 41 and the locking part 5 can be detachably connected.

When the first joint 41 and the second joint 42 are connected, the second joint 42 is directly inserted into the first joint 41, so that the first joint 41 and the second joint are tightly matched, the second joint 42 is not easy to pull out from the first joint 41, and after the second joint 42 is connected with the first joint 41, the second joint 42 and the first joint 41 cannot relatively rotate, and meanwhile, the second joint and the first joint are not required to be rotatably connected, so that before the spade head connecting rod 31 is connected with the handle connecting rod 32, the direction between the handle body and the spade head body can be firstly swung, then the first joint 41 on the spade head connecting rod 31 is inserted into the second joint 42 on the handle connecting rod 32 according to the direction, in addition, the locking part 5 is arranged on the second joint 42, and the first joint 41 can extend into the locking part 5 and the second joint 42, and the first joint 41 is in threaded connection with the locking part 5. At the same time as the second connector 42 is inserted into the first connector 41, a partial section of the first connector 41 is inserted between the locking part 5 and the second connector 42, and then the locking part 5 is rotated, so that the inner wall of the locking part 5 is screwed to the outer wall of the first connector, and the locking part 5 further reinforces the connection. The spade handle 3 with the sectional design can avoid the condition that the connecting part is loosened or damaged in the long-term repeated use process or when the stress is overlarge.

Specifically, the first joint 41 in this embodiment includes an insertion section 411 and a first connection section 412, the insertion section 411 and the first connection section 412 are fixedly connected, and a limit portion 413 is formed at the connection position of the insertion section 411 and the first connection section 412, the first connection section 412 is inserted into the free end of the shovel head connection rod 31 or the end of the extension rod 33 to form a fixed connection with the corresponding shovel head connection rod 31 or the extension rod 33, and the end surface of the shovel head connection rod 31 or the extension rod 33 can abut against the limit portion 413; a mating hole 414 for mating with the second connector 42 is provided at least in the plug section 411.

As an alternative embodiment of the present embodiment, the shovel head connecting rod 31 is screwed and adhered to the corresponding first connecting section 412 by using a screw glue, and the extension rod 33 is screwed and adhered to the corresponding first connecting section 412 by using a screw glue; or the shovel head connecting rod 31 and the extension rod 33 are fixedly connected with the corresponding first connecting section 412 in a welding mode. That is, after the first connecting section 412 enters the shovel head connecting rod 31 or the extension rod 33, the first connecting section 412 and the extension rod 33 or the first connecting section 412 and the shovel head connecting rod 31 are not detachable by means of thread glue or welding, so that the stability of the whole shovel device in the using process is improved.

In this embodiment, the second connector 42 includes an insertion section 421 and a second connection section 422, the insertion section 421 and the second connection section 422 are fixedly connected, the second connection section 422 can be inserted into the free end of the handle connecting rod 32 or the end of the extension rod 33 to form a fixed connection with the corresponding handle connecting rod 32 or the extension rod 33, and the insertion section 421 can be inserted into the matching hole 414 to form a plug connection.

The handle connecting rod 32 and the extension rod 33 are respectively in threaded connection with the corresponding second connecting section 422 and are bonded by adopting threaded glue; alternatively, the handle connecting rod 32 and the extension bar 33 are fixedly connected with the corresponding first connecting section 412 by welding. That is, after the second connecting section 422 enters the handle connecting rod 32 or the extension rod 33, the second connecting section 422 and the handle connecting rod 32 or the second connecting section 422 and the extension rod 33 are not detachable by means of thread glue or welding, so that the stability of the whole shovel tool in the using process is further improved.

As an alternative embodiment, the fitting hole 414 is a hexagonal hole, the insertion section 421 is a hexagonal plug, the hexagonal plug can be inserted into the hexagonal hole, the hexagonal plug is connected to the hexagonal hole in an inserting manner, and an outer wall of the hexagonal plug is tightly attached to an inner wall of the hexagonal hole. The hexagonal plug is not easy to separate from the hexagonal hole, and the hexagonal plug and the hexagonal hole are not easy to separate.

In addition, a first annular projection 423 is provided on a circumferential outer side wall of the second joint 42, a second annular projection 51 is provided on an end inner side wall of the locking portion 5, and the second annular projection 51 is located between the first annular projection 423 and an end of the handle connecting rod 32, or the second annular projection 51 is located between the first annular projection 423 and an end of the extension bar 33. That is, before the second joint 42 is connected to the handle connecting rod 32 or the extension rod 33, the locking part 5 is firstly sleeved on the second joint 42 and then connected to the handle connecting rod 32 or the extension rod 33, so that the first annular projection 423 and the end of the handle connecting rod 32, or the first annular projection 423 and the end of the extension rod 33 can limit the second annular projection 51 therein, thereby limiting the moving range of the locking part 5.

Be provided with the internal thread on the inner wall of locking portion 5 in this embodiment, be provided with on the outer wall of first joint 41 with internal thread matched with external screw thread 4111, can form threaded connection through internal thread and external screw thread 4111 between locking portion 5 and the first joint 41, use convenient and fast more.

It should be noted that the locking portion 5 in this embodiment is a locking nut, the first joint 41 extends between the locking nut and the second joint 42, and the first joint 41 and the locking nut are connected by screw threads. When the hexagonal plug stretches into the hexagonal hole, the plug section 411 can enter between the locking nut and the second connector 42, and then the locking nut is rotated, so that the inner wall of the locking nut is in threaded connection with the outer wall of the plug section 411, and the locking nut plays a role in further reinforcing connection. When the anti-loose connection structure 4 is disassembled, the locking nut is firstly rotated, and in the process of loosening the outer wall of the insertion section 411, the hexagonal plug is slightly ejected out of the hexagonal hole by the locking nut, so that the hexagonal plug is not tightly attached to the hexagonal hole any more, and the second connector 42 can be easily pulled out of the first connector 41.

Example 2:

this embodiment provides a spade handle 3, for the sectional type structure, including spade head connecting rod 31, handle connecting rod 32, extension bar 33 and locking connection structure 4 in embodiment 1, be connected with extension bar 33 between spade head connecting rod 31 and the handle connecting rod 32 to this increases the length of spade utensil.

The spade head connecting rod 31 and the extension rod 33, the extension rod 33 and the handle connecting rod 32 and the spade head connecting rod 31 and the handle connecting rod 32 can be connected through the anti-loosening connecting structure 4.

Specifically, the free end of the shovel head connecting rod 31 and one end of the extension rod 33 are fixedly connected with a first connector 41, the free end of the handle connecting rod 32 and the other end of the extension rod 33 are fixedly connected with a second connector 42, when the first connector 41 is connected with the second connector 42, only the insertion section 421 on the second connector 42 needs to be directly inserted into the matching hole 414 on the first connector 41, so that the first connector 41 and the second connector are tightly matched, the second connector 42 can not be easily pulled out from the first connector 41, at this time, the insertion section 411 on the first connector 41 can extend into the space between the locking part 5 and the second connector 42, and the first connector 41 is in threaded connection with the locking part 5. After that, the locking part 5 is rotated so that the inner wall of the locking part 5 is screwed to the outer wall of the plug section 411, and the locking part 5 further reinforces the connection.

Example 3:

this embodiment provides a spade utensil, including spade head 1, handle portion 2 and spade handle 3 in the embodiment 2, spade handle 3 sets up between spade head 1 and handle portion 2, wherein, can set up to fixed connection between spade head connecting rod 31 and the spade head portion 1, can set up to fixed connection between handle connecting rod 32 and the handle portion 2. This spade utensil is in long-term use repeatedly, perhaps when the atress is too big, can avoid appearing connecting the condition emergence that the position is not hard up or damage, simple structure, and the practicality is strong, can bring better experience for the user, is worth promoting.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A kind of anti-loose connection structure, characterized by that, including the first piecing, second piecing and locking department, the free end of the connecting rod of the spade head and one end of the extension bar connect with said first piecing, the free end of the connecting rod of the handle and another end of the said extension bar connect with said second piecing, said first piecing and said second piecing form the detachable connection through inserting and connecting and the outer wall of the said second piecing is closely laminated with inner wall of the said first piecing;

2. The anti-loosening connection structure according to claim 1, wherein the first joint comprises a plug section and a first connecting section, the plug section and the first connecting section are fixedly connected, a joint of the plug section and the first connecting section is formed with a limit part, the first connecting section is inserted into a free end of the spade head connecting rod or an end of the extension rod to form a fixed connection with the corresponding spade head connecting rod or the extension rod, and an end face of the spade head connecting rod or the extension rod can abut against the limit part; and a matching hole matched with the second connector is formed in the first connector.

3. The anti-loose connecting structure according to claim 2, wherein the spade head connecting rod and the extension rod are respectively in threaded connection with the corresponding first connecting section and are bonded by threaded glue;

4. The anti-loose connection structure according to claim 2, wherein the second joint comprises an insertion section and a second connection section, the insertion section and the second connection section are fixedly connected, the second connection section can be inserted into a free end of the handle connecting rod or an end of the extension rod to form a fixed connection with the corresponding handle connecting rod or the extension rod, and the insertion section can extend into the matching hole to form a plug connection.

5. The anti-loose connecting structure according to claim 4, wherein the handle connecting rod and the extension rod are respectively in threaded connection with the corresponding second connecting section and are bonded by adopting threaded glue;

6. The anti-loose connection structure according to claim 4, wherein the mating hole is a hexagonal hole, the insertion section is a hexagonal plug, the hexagonal plug can be inserted into the hexagonal hole and is in plug connection with the hexagonal hole, and an outer wall of the hexagonal plug is tightly attached to an inner wall of the hexagonal hole.

7. The anti-loose connection structure according to claim 1, wherein a first annular boss is provided on a circumferential outer side wall of the second joint, and a second annular boss is provided on an end inner side wall of the locking portion, the second annular boss being located between the first annular boss and an end of the handle connecting rod, or the second annular boss being located between the first annular boss and an end of the extension rod.

8. The anti-loosening connecting structure according to claim 1, wherein an internal thread is provided on an inner wall of the locking portion, an external thread that fits with the internal thread is provided on an outer wall of the first joint, and the locking portion and the first joint can be screwed together via the internal thread and the external thread.

9. A spade handle, comprising a spade head connecting rod, a handle connecting rod, an extension rod and the anti-loose connecting structure of any one of claims 1 to 8, wherein the connection between the spade head connecting rod and the extension rod, between the extension rod and the handle connecting rod and between the spade head connecting rod and the handle connecting rod can be formed by the anti-loose connecting structure.

10. A spade tool, comprising a spade head, a handle portion and a spade handle disposed between the spade head and the handle portion, wherein the spade handle is the spade handle of claim 9, a spade head connecting rod is connected with the spade head portion, and a handle connecting rod is connected with the handle portion.