阅读说明：本技术 一种链条链接单元和链接结构 (Chain linking unit and linking structure ) 是由 杜海滨 于 2020-05-26 设计创作，主要内容包括：本发明公开了一种链条链接单元和链接结构,包括独立链环与外接链条,所述外接链条头部连接到独立链环内圈两端位置,所述独立链环下方横条中部位置设置有开放槽,所述开放槽上方设置有外接块,所述开放槽底部设置有固定槽,所述固定槽内设置有可调节的活动圆板,所述活动圆板前端面设置有定位圆杆,所述定位圆杆头部伸出固定槽并连接设置有曲状柱。本发明所述的一种链条链接单元和链接结构,通过在独立链环底部设置可调节的定位圆杆与曲状柱,通过调节定位圆杆的位置来调节曲状柱的角度,从而与外接链条进行连接,并通过曲状柱外圈可调节的主副套板来增强稳定性,可对链条进行延伸、串接,更加方便使用。(The invention discloses a chain linking unit and a linking structure, which comprise an independent chain ring and an external chain, wherein the head of the external chain is connected to the two ends of the inner ring of the independent chain ring, the middle part of a transverse bar below the independent chain ring is provided with an open groove, an external connecting block is arranged above the open groove, the bottom of the open groove is provided with a fixed groove, an adjustable movable circular plate is arranged in the fixed groove, the front end surface of the movable circular plate is provided with a positioning circular rod, and the head of the positioning circular rod extends out of the fixed groove and is connected with a curved column. According to the chain linking unit and the linking structure, the adjustable positioning round rod and the curved column are arranged at the bottom of the independent chain ring, the angle of the curved column is adjusted by adjusting the position of the positioning round rod, so that the chain linking unit is connected with an external chain, the stability is enhanced by the adjustable main sleeve plate and the adjustable auxiliary sleeve plate on the outer ring of the curved column, a chain can be extended and serially connected, and the chain linking unit and the linking structure are more convenient to use.)

1. A chain link unit and a link structure characterized in that: the chain comprises independent chain rings (1) and an external chain (2), the head of the external chain (2) is connected to the two ends of the inner ring of the independent chain ring (1), an open groove (3) is arranged in the middle of a cross bar below the independent chain ring (1), an external connecting block (4) is arranged above the open groove (3), a fixed groove (9) is arranged at the bottom of the open groove (3), an adjustable movable circular plate (10) is arranged in the fixed groove (9), a positioning circular rod (5) is arranged on the front end face of the movable circular plate (10), the head of the positioning circular rod (5) extends out of the fixed groove (9) and is connected with a curved column (6), an adjustable auxiliary sleeve plate (7) is arranged at the inner ring positions at the top ends of the head of the independent chain ring (1) and the curved column (6), an adjustable main sleeve plate (8) is arranged at the outer ring position of the, the main sleeve plate (8) and the auxiliary sleeve plate (7) are welded into a whole.

2. A chain link unit and link structure according to claim 1, wherein: activity plectane (10) and location round bar (5) and the component of curved form post (6) constitution as an organic whole, the diameter and the bend angle homogeneous phase of curved form post (6) and independent chain ring (1) head are equal, the thickness of independent chain ring (1) and external chain (2) equals, the thickness of external chain (2) equals curved form post (6) top to the twice of distance between independent chain ring (1) head.

3. A chain link unit and link structure according to claim 1, wherein: the bottom of the open groove (3) is provided with a fixing round hole (20) corresponding to the positioning round rod (5), the tail part of the fixing round hole (20) is connected to the head part of the fixing groove (9), and the tail part of the positioning round rod (5) stretches into the fixing groove (9) and is connected to the front end face of the movable round plate (10).

4. A chain link unit and link structure according to claim 1, wherein: fixed slot (9) bottom is provided with fixed backing plate (13), fixed backing plate (13) are through welded fastening to fixed slot (9) bottom, the terminal surface is provided with main spring (14) before fixed backing plate (13), main spring (14) head is provided with space bar (15), terminal surface is located activity plectane (10) rear position before space bar (15).

5. A chain link unit and link structure according to claim 4, wherein: the steel ball partition plate is characterized in that a steel ball (16) is arranged in the middle of the front end face of the partition plate (15), a fixing groove (17) is formed in the middle of the rear end face of the movable circular plate (10) corresponding to the steel ball (16), the fixing groove (17) is hemispherical, and the head of the steel ball (16) extends into the bottom of the fixing groove (17).

6. A chain link unit and link structure according to claim 4, wherein: fixed slot (9) and outer joint block (4) inner wall all are provided with spacing (18), the activity plectane (10) outer lane corresponds spacing (18) position and is provided with locating hole (19), locating hole (19) are located activity plectane (10) outer lane both sides position respectively, distance between fixed backing plate (13) and spacing (18) equals the thickness sum of space bar (15) and activity plectane (10).

7. A chain link unit and link structure according to claim 1, wherein: the inner ring of the main sleeve plate (8) is provided with an outer semicircular groove (12) corresponding to the curved column (6) and the independent chain ring (1), the inner ring of the auxiliary sleeve plate (7) is provided with an inner semicircular groove (11) corresponding to the curved column (6) and the independent chain ring (1), the inner diameter of the inner semicircular groove (11) is equal to that of the outer semicircular groove (12), and the sum of the radius of the inner semicircular groove (11) and the outer semicircular groove (12) is equal to that of the curved column (6).

8. A chain link unit and link structure according to claim 7, wherein: the inner wall of the outer semicircular groove (12) is provided with a positioning slide block (21) corresponding to the head of the independent chain ring (1), and the outer ring of the head of the independent chain ring (1) is provided with an arc-shaped sliding groove (22) corresponding to the positioning slide block (21).

9. A chain link unit and link structure according to claim 8, wherein: the width of the arc-shaped sliding groove (22) is equal to that of the positioning sliding block (21), an arc-shaped column (23) is arranged in the arc-shaped sliding groove (22), a positioning straight plate (25) is arranged at the head of the arc-shaped column (23), a positioning groove (26) is arranged in the positioning straight plate (25) corresponding to the outer ring position of the head of the independent chain ring (1), and the head of the arc-shaped sliding groove (22) is connected to the middle position of the positioning groove (26).

10. A chain link unit and link structure according to claim 9, wherein: the positioning sliding block (21) is provided with a fixing hole (24) in the middle, the diameter of the fixing hole (24) is equal to that of the arc-shaped column (23), the head of the arc-shaped column (23) stretches into the fixing hole (24), an auxiliary spring (27) is arranged on the outer ring of the arc-shaped column (23), the head of the auxiliary spring (27) is connected to the positioning straight plate (25), and the tail of the auxiliary spring (27) is connected to the front end face of the positioning sliding block (21).

Technical Field

The invention relates to the field of chains, in particular to a chain linking unit and a linking structure.

Background

The chain is generally formed by combining metal chain rings or rings, and is stable in structure and low in cost, so that the chain is widely applied to various fields.

Disclosure of Invention

The main object of the present invention is to provide a chain link unit and a link structure, which can effectively solve the problems in the background art.

In order to achieve the purpose, the invention adopts the technical scheme that:

the utility model provides a unit is linked to chain and structure of linking, includes independent chain ring and external chain, external chain head is connected to independent chain ring inner circle both ends position, independent chain ring below horizontal bar middle part position is provided with the open groove, the open groove top is provided with connects the piece outward, open groove bottom is provided with the fixed slot, be provided with adjustable activity plectane in the fixed slot, the terminal surface is provided with the location pole before the activity plectane, location pole head stretches out the fixed slot and is connected and be provided with curved form post, independent chain ring head is provided with adjustable vice lagging with curved form post top end inner circle position, independent chain ring head is provided with adjustable main lagging with curved form post top end outer lane position, constitute integratively through the welding between main lagging and the vice lagging.

Preferably, activity plectane and location pole and the component of bent form post constitution as an organic whole, the diameter and the bend angle homogeneous phase of bent form post and independent chain ring head are equal, independent chain ring is equal with the thickness of external chain, the thickness of external chain equals the twice of distance between bent form capital end to the independent chain ring head, through the distance between fixed bent form post and the independent chain ring, makes external chain can't deviate from through its gap, guarantees the stability of chain.

Preferably, the open slot bottom corresponds the location pole and is provided with fixed round hole, fixed round hole afterbody is connected to the fixed slot head, the location pole afterbody stretches into the fixed slot and is connected to the preceding terminal surface of activity plectane, sets up fixed round hole through corresponding the location pole at open slot bottom, makes the location pole can carry out the seesaw through fixed round hole, and remains stable.

Preferably, the fixed slot bottom is provided with fixed backing plate, fixed backing plate passes through welded fastening to the fixed slot bottom, the terminal surface is provided with main spring before the fixed backing plate, the main spring head is provided with the space bar, the terminal surface is located activity plectane rear position before the space bar, through set up main spring in fixed backing plate the place ahead, utilizes elasticity to promote the space bar motion to adjust the position of activity plectane.

Preferably, the middle position of the front end face of the partition plate is provided with a steel ball, the middle position of the rear end face of the movable circular plate is provided with a fixed groove corresponding to the steel ball, the fixed groove is hemispherical, the head of the steel ball extends into the bottom of the fixed groove, and the steel ball is arranged on the front end face of the partition plate and clamped into the fixed groove, so that the friction between the partition plate and the movable circular plate is reduced, and the movable circular plate is more efficient and convenient to rotate.

Preferably, the inner walls of the fixed groove and the external connecting block are provided with limiting strips, the outer ring of the movable circular plate is provided with positioning holes corresponding to the limiting strips, the positioning holes are respectively positioned at two sides of the outer ring of the movable circular plate, the distance between the fixed base plate and the limiting strips is equal to the sum of the thicknesses of the partition plate and the movable circular plate, and the movable circular plate can be separated from the limiting strips after moving to the maximum degree by controlling the distance between the fixed base plate and the limiting strips, so that the movable circular plate can be rotated and adjusted.

Preferably, main lagging inner circle corresponds curved form post and independent chain ring and is provided with outer half slot, vice lagging inner circle corresponds curved form post and is provided with interior half slot with independent chain ring, interior half slot equals with the internal diameter of outer half slot, the radius sum of interior half slot and outer half slot equals the diameter of curved form post, through setting up corresponding inside and outside half slot at main lagging inner circle, utilizes inside and outside half slot to fix curved form post and independent chain ring, makes the atress more evenly stable, strengthens the stability of curved form post.

Preferably, the outer half slot inner wall is provided with a positioning slider corresponding to the head of the independent chain ring, the outer ring of the head of the independent chain ring is provided with an arc chute corresponding to the positioning slider, and the positioning slider is arranged on the inner wall of the half slot and clamped into the arc chute, so that the outer sleeve plate can rotate under the condition of keeping stability.

Preferably, arc spout width equals with the location slider, be provided with the arc post in the arc spout, arc post head is provided with the straight board in location, the straight board in the corresponding location of independent chain link head outer lane position is provided with positioning groove, arc spout head is connected to positioning groove middle part position, through setting up the straight board in the arc post head in location, utilizes the straight board card in location to go on fixing the arc post in the positioning groove, promotes stability.

Preferably, the positioning slide block middle part is provided with the fixed orifices, the fixed orifices diameter equals with the arc post, arc post head stretches into the fixed orifices, the arc post outer lane is provided with auxiliary spring, auxiliary spring head is connected to the straight board of location, terminal surface before the auxiliary spring afterbody is connected to the positioning slide block, through set up auxiliary spring in the arc post outer lane, utilizes elasticity to promote the motion of positioning slide block to adjust the position of main and auxiliary lagging, conveniently adjust.

Compared with the prior art, the invention has the following beneficial effects:

according to the invention, the distance between the curved column and the independent chain ring is fixed, so that the external chain cannot be separated from the gap of the external chain, and the stability of the chain is ensured; the positioning round rod can move back and forth through the fixing round hole and keep stable by arranging the fixing round hole at the bottom of the open slot corresponding to the positioning round rod; the main spring is arranged in front of the fixed base plate, and the partition plate is pushed to move by using elasticity, so that the position of the movable circular plate is adjusted; the steel balls are arranged on the front end face of the partition plate and clamped into the fixed groove, so that friction between the partition plate and the movable circular plate is reduced, the movable circular plate is more efficient and convenient to rotate, and the movable circular plate can be separated from the limiting strips after moving to the maximum degree by controlling the distance between the fixed base plate and the limiting strips, so that rotation adjustment is performed; corresponding inner and outer half-round grooves are arranged on the inner rings of the main sleeve plate and the auxiliary sleeve plate, and the curved columns and the independent chain rings are fixed by the inner and outer half-round grooves, so that the stress is more uniform and stable, and the stability of the curved columns is enhanced; the arc-shaped column is fixed by arranging the positioning straight plate at the head of the arc-shaped column and clamping the positioning straight plate into the positioning groove, so that the stability is improved; the auxiliary spring is arranged on the outer ring of the arc-shaped column, and the positioning slide block is pushed to move by using elastic force, so that the position of the main sleeve plate and the auxiliary sleeve plate is adjusted, and the adjustment is convenient.

Drawings

FIG. 1 is a front view of a chain link unit and link structure of the present invention;

FIG. 2 is a front cross-sectional view of a chain link unit and link structure of the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 2;

FIG. 4 is an enlarged view of the point B in FIG. 2

FIG. 5 is a side sectional view of a movable circular plate of a chain link unit and a link structure according to the present invention

FIG. 6 is a top view of a positioning plate of a chain link unit and link structure of the present invention.

In the figure: 1. an independent chain loop; 2. connecting a chain externally; 3. opening the groove; 4. an external connection block; 5. positioning the round rod; 6. a curved column; 7. a secondary deck plate; 8. a main deck plate; 9. fixing grooves; 10. a movable circular plate; 11. an inner semicircular groove; 12. an outer semicircular groove; 13. fixing the base plate; 14. a main spring; 15. a partition plate; 16. steel balls; 17. fixing the groove; 18. a limiting strip; 19. positioning holes; 20. fixing the round hole; 21. positioning the sliding block; 22. an arc-shaped chute; 23. an arc-shaped column; 24. a fixing hole; 25. positioning the straight plate; 26. a positioning groove; 27. and a secondary spring.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" 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 is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-6, a chain linking unit and linking structure, including an independent chain ring 1 and an external chain 2, the head of the external chain 2 is connected to two ends of the inner ring of the independent chain ring 1, an open groove 3 is provided at the middle position of the cross bar below the independent chain ring 1, an external connecting block 4 is provided above the open groove 3, a fixing groove 9 is provided at the bottom of the open groove 3, an adjustable movable circular plate 10 is provided in the fixing groove 9, a positioning circular rod 5 is provided at the front end surface of the movable circular plate 10, the head of the positioning circular rod 5 extends out of the fixing groove 9 and is connected with a curved column 6, an adjustable auxiliary sleeve plate 7 is provided at the inner ring positions at the top ends of the independent chain ring 1 and the curved column 6, an adjustable main sleeve plate 8 is provided at the outer ring position at the top ends of the independent.

The movable circular plate 10, the positioning circular rod 5 and the curved column 6 are integrated into a whole, the diameter and the bending angle of the head of the curved column 6 and the head of the independent chain ring 1 are equal, the thickness of the independent chain ring 1 and the thickness of the external chain 2 are equal, and the thickness of the external chain 2 is equal to twice of the distance from the top end of the curved column 6 to the head of the independent chain ring 1; the bottom of the open groove 3 is provided with a fixing round hole 20 corresponding to the positioning round rod 5, the tail part of the fixing round hole 20 is connected to the head part of the fixing groove 9, and the tail part of the positioning round rod 5 extends into the fixing groove 9 and is connected to the front end face of the movable circular plate 10; a fixed backing plate 13 is arranged at the bottom of the fixed groove 9, the fixed backing plate 13 is fixed at the bottom of the fixed groove 9 through welding, a main spring 14 is arranged on the front end face of the fixed backing plate 13, a partition plate 15 is arranged at the head of the main spring 14, and the front end face of the partition plate 15 is positioned behind the movable circular plate 10; the middle position of the front end face of the partition plate 15 is provided with a steel ball 16, the middle position of the rear end face of the movable circular plate 10 is provided with a fixed groove 17 corresponding to the steel ball 16, the fixed groove 17 is hemispherical, and the head of the steel ball 16 extends into the bottom of the fixed groove 17; limiting strips 18 are arranged on the inner walls of the fixed groove 9 and the external connecting block 4, positioning holes 19 are arranged on the outer ring of the movable circular plate 10 corresponding to the limiting strips 18, the positioning holes 19 are respectively positioned on two sides of the outer ring of the movable circular plate 10, and the distance between the fixed backing plate 13 and the limiting strips 18 is equal to the sum of the thicknesses of the partition plate 15 and the movable circular plate 10; the inner ring of the main sleeve plate 8 is provided with an outer semicircular groove 12 corresponding to the curved column 6 and the independent chain ring 1, the inner ring of the auxiliary sleeve plate 7 is provided with an inner semicircular groove 11 corresponding to the curved column 6 and the independent chain ring 1, the inner diameter of the inner semicircular groove 11 is equal to that of the outer semicircular groove 12, and the sum of the radiuses of the inner semicircular groove 11 and the outer semicircular groove 12 is equal to the diameter of the curved column 6; the inner wall of the outer semicircular groove 12 is provided with a positioning slide block 21 corresponding to the head of the independent chain ring 1, and the outer ring of the head of the independent chain ring 1 is provided with an arc-shaped sliding groove 22 corresponding to the positioning slide block 21; the width of the arc-shaped sliding groove 22 is equal to that of the positioning sliding block 21, an arc-shaped column 23 is arranged in the arc-shaped sliding groove 22, a positioning straight plate 25 is arranged at the head of the arc-shaped column 23, a positioning groove 26 is arranged at the outer ring position of the head of the independent chain ring 1 corresponding to the positioning straight plate 25, and the head of the arc-shaped sliding groove 22 is connected to the middle position of the positioning groove 26; the middle part of the positioning sliding block 21 is provided with a fixing hole 24, the diameter of the fixing hole 24 is equal to that of the arc-shaped column 23, the head part of the arc-shaped column 23 extends into the fixing hole 24, an auxiliary spring 27 is arranged on the outer ring of the arc-shaped column 23, the head part of the auxiliary spring 27 is connected to the positioning straight plate 25, and the tail part of the auxiliary spring 27 is connected to the front end face of the positioning sliding block 21.

It should be noted that the invention is a chain link unit and a link structure, the bottom of an independent chain ring 1 is provided with an adjustable positioning round rod 5 and a curved column 6, the angle of the curved column 6 is adjusted by adjusting the position of the positioning round rod 5, so as to be connected with an external chain 2, the stability is enhanced by an adjustable main sleeve plate 8 and an adjustable auxiliary sleeve plate 7 on the outer ring of the curved column 6, the external chain 2 can be extended and connected in series, and the use is more convenient, when in installation, an open groove 3 at the bottom of the independent chain ring 1 is found first, relevant parts are put into the open groove 3, then the section of the external block 4 is attached to the upper part of the open groove 3, the section of the external block 4 is provided with corresponding groove positions corresponding to a fixed groove 9 and a fixed round hole 20, a limit strip 18 on the inner wall of the fixed groove 9 and the external block 4 is aligned to positioning holes 19 on two sides of a movable circular plate 10, then the external block 4 is fixed to the upper part of the open, at the moment, the curved column 6 is located below the head of the independent chain ring 1, then the positioning straight plate 25 and the arc column 23 are found, the auxiliary spring 27 is placed on the outer ring of the arc column 23, the head of the arc column 23 extends into the fixing hole 24 in the middle of the positioning sliding block 21, then the positioning straight plate 25, the arc column 23 and the main sleeve plate 8 are installed together, the positioning straight plate 25 is aligned with the positioning groove 26 and clamped, the arc column 23 enters the arc sliding groove 22, the positioning sliding block 21 of the inner ring of the main sleeve plate 8 simultaneously enters the tail of the arc sliding groove 22, at the moment, the main sleeve plate 8 is located at the outer ring positions of the curved column 6 and the head of the independent chain ring 1, then the auxiliary sleeve plate 7 is installed at the inner ring positions of the curved column 6 and the head of the independent chain ring 1, the auxiliary sleeve plate 7 is aligned with the main sleeve plate 8, then the main sleeve plate 8 and the auxiliary sleeve plate 7 are fixed; when the device is used, a main sleeve plate 8 and an auxiliary sleeve plate 7 at the head of an independent chain ring 1 are found firstly, the main sleeve plate 8 and the auxiliary sleeve plate 7 are held and rotate upwards, the main sleeve plate 8 and the auxiliary sleeve plate 7 move upwards along the head of the independent chain ring 1 through an inner semi-circular groove 11 and an outer semi-circular groove 12 of an inner ring, a positioning slide block 21 of the inner ring of the main sleeve plate 8 moves along an arc-shaped column 23 through a fixing hole 24 in the middle part, the positioning slide block 21 presses an auxiliary spring 27 of the outer ring of the arc-shaped column 23, the auxiliary spring 27 is stressed to generate compression, the main sleeve plate 8 and the auxiliary sleeve plate 7 are pushed to rotate to the maximum degree and are kept, then a positioning round rod 5 and a curved column 6 at the bottom of the independent chain ring 1 are found, the curved column 6 is held and pressed backwards, the curved column 6 drives the positioning round rod 5 to move backwards, the positioning round rod 5 drives a connected movable circular plate 10 to move backwards along a fixed groove 9, and, the spacing plate 15 is forced to move backwards and extrudes the rear main spring 14, the main spring 14 is forced to compress, the movable circular plate 10 moves, the positioning holes 19 on the two sides continuously move along the limiting strips 18, when the movable circular plate 10 moves to the maximum, the limiting strips 18 on the two sides are pulled out from the positioning holes 19, then the curved column 6 can be rotated for half a circle, so that the gap between the curved column 6 and the head of the independent chain ring 1 is expanded, the curved column 6 can be loosened, the front end surface of the movable circular plate 10 is blocked by the limiting strips 18 and cannot rebound, then the heads of the two external chains 2 can be sleeved into the inner ring of the independent chain ring 1 through the gap, then the curved column 6 is rotated for half a circle again, the positioning holes 19 on the two sides of the movable circular plate 10 reach the positions of the limiting strips 18, then the curved column 6 is loosened, at this time, the movable circular plate 10 moves forwards under the action of elasticity, make curved post 6 move forward until the recovery position, the distance between curved post 6 and the independent chain ring 1 head is far less than external chain 2's thickness this moment, consequently external chain 2 can't deviate from, loosen main lagging 8 and vice lagging 7 after that, location slider 21 moves down under the elastic force effect this moment, thereby drive main lagging 8 and vice lagging 7 and rotate downwards, until main lagging 8 and vice lagging 7 recovery position, main lagging 8 and vice lagging 7 seal the clearance between curved post 6 and the independent chain ring 1 head this moment, the power that can evenly disperse when the external chain 2 of both sides produces the pulling force, thereby promote curved post 6's stability.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.