Adjustable drag chain

Abstract

The utility model relates to the field of drag chains, and particularly discloses an adjustable drag chain which comprises a drag chain connector, a drag chain plate is arranged in the drag chain connector, a short supporting strip is installed on the inner side of the upper surface of the drag chain plate, and a long supporting strip is installed under the short supporting strip and located on the inner side of the drag chain plate. Lower limiting clamping teeth are arranged on the inner sides of the upper surfaces of the long supporting strips, upper limiting clamping teeth are arranged on the upper surfaces of the short supporting strips, long supporting strip buckles are installed on the outer sides of the upper limiting clamping teeth and located on the upper surfaces of the short supporting strips, and protrusions are installed on the end portions of the short supporting strips and the end portions of the long supporting strips and located on the upper surfaces and the lower surfaces of the drag chain plates. The long supporting strip is integrally inserted into the long supporting strip buckle arranged on the short supporting strip, and the lower limiting clamping teeth on the upper surface of the long supporting strip and the upper limiting clamping teeth on the short supporting strip are integrally clamped and limited in a one-way mode. The distance adjusting scales on the long supporting strips can control the accurate distance when the distance between the two drag chain plates is controlled.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of tow chain, concretely is adjustable tow chain. BACKGROUND

[0002] Tow chain cable is a kind of high flexibility special cable that can be moved back and forth with tow chain without easy wear, it is also called tow cable, tank chain cable, in the occasion where equipment unit needs to move back and forth, in order to prevent cable entanglement, wear, pull off, hang and scatter, cable is usually placed into cable tow chain, and cable is protected, and cable can also move back and forth with tow chain.

[0003] However, the interval of two tow chain plates of the cable tow chain is inconvenient to adjust after installation. UTILITY MODEL CONTENTS

[0004] In view of the deficiency of prior art, the utility model provides adjustable tow chain, solves the problem mentioned in the above background.

[0005] The utility model provides following technical scheme: adjustable tow chain, including tow link head, the inside of tow link head is provided with tow chain plate, the inner side of the upper surface of tow chain plate is installed with short support strip, the inner side of the lower surface of long support strip is installed with long support strip buckle, the inner side of the upper surface of long support strip is equipped with lower limit stop gear, the upper surface of short support strip is equipped with upper limit stop gear, the outer side of upper limit stop gear is installed with long support strip buckle on the upper surface of short support strip, the end of short support strip and long support strip is installed with protrusion on the upper and lower surfaces of tow chain plate.

[0006] As a further scheme of the utility model: the lower surface of long support strip is equipped with pitch adjusting scale, and the front and rear surfaces of tow chain plate are equipped with connecting notches.

[0007] As a further scheme of the utility model: one end of tow chain plate is installed with splicing buckle, the end of tow chain plate away from splicing buckle is equipped with splicing buckle hole, and the inner side of tow chain plate is equipped with limit notch at the end close to splicing buckle hole.

[0008] As a further scheme of the utility model: the height size of protrusion is greater than the height size of long support strip buckle, and long support strip is clamped by lower limit stop gear and upper limit stop gear.

[0009] As a further scheme of the utility model: the whole tow chain plate is the waist type structure component.

[0010] As a further scheme of the utility model: splicing buckle is clamped with splicing buckle hole.

[0011] As a further scheme of the utility model: the protrusion is fixedly connected with the drag chain link plate, and the short supporting strip and the long supporting strip are fixedly connected with the drag chain connector.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] The height of the protrusion arranged on the upper and lower surfaces of the drag chain link plate is higher than the height of the long supporting strip buckle, so that when the two drag chain link plates are connected and assembled into the drag chain connector and the cable is placed inside, the drag chain can prevent the drag chain connector from being rubbed to dislocate the short supporting strip and the long supporting strip during movement.

[0014] The long supporting strip is inserted into the long supporting strip buckle arranged on the short supporting strip, the lower limit stop gear on the upper surface of the long supporting strip is unidirectionally connected and limited with the upper limit stop gear on the short supporting strip, and the distance adjusting scale on the long supporting strip can control the accurate distance when controlling the distance between the two drag chain link plates. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a structural schematic view of the adjustable drag chain.

[0016] Fig. 2 It is a structural schematic view of the drag chain link plate in the adjustable drag chain.

[0017] Fig. 3 It is an enlarged schematic view of the short supporting strip in the adjustable drag chain.

[0018] In the figure: 1, drag chain connector; 2, drag chain link plate; 3, splicing buckle; 4, splicing buckle hole; 5, short supporting strip; 6, long supporting strip; 7, protrusion; 8, connecting gap; 201, limit gap; 501, long supporting strip buckle; 502, upper limit stop gear; 601, distance adjusting scale; 602, lower limit stop gear. DETAILED DESCRIPTION

[0019] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0020] For example, Figs. 1-3As shown, the present embodiment provides an adjustable drag chain, including a drag chain connector 1, the inside of the drag chain connector 1 is provided with a drag chain link plate 2, the inner side of the upper surface of the drag chain link plate 2 is provided with a short support bar 5, the lower side of the short support bar 5 is provided with a long support bar 6 on the inner side of the drag chain link plate 2, the upper surface of the long support bar 6 is provided with a lower limit stop gear 602, the upper surface of the short support bar 5 is provided with an upper limit stop gear 502, the long support bar 6 is clamped by the lower limit stop gear 602 and the upper limit stop gear 502, the outer side of the upper limit stop gear 502 is provided with a long support bar buckle 501 on the upper surface of the short support bar 5, the end of the short support bar 5 and the long support bar 6 is provided with a protrusion 7 on the upper and lower surfaces of the drag chain link plate 2, the protrusion 7 is a waist-shaped structure member, the height of the protrusion 7 is greater than the height of the long support bar buckle 501, the protrusion 7 is fixedly connected with the drag chain link plate 2, and the short support bar 5 and the long support bar 6 are fixedly connected with the drag chain connector 1.

[0021] As shown, Figs. 2-3 In the present embodiment, the lower surface of the long support bar 6 is provided with a distance adjusting scale 601, and a digital mark is provided on the outer side of the distance adjusting scale 601. The distance adjusting scale 601 can be used to accurately control the distance between the two assembled drag chain link plates 2. The front and rear surfaces of the drag chain link plate 2 are provided with a connecting gap 8. One end of the drag chain link plate 2 is provided with a splicing buckle 3. The drag chain link plate 2 is a waist-shaped structure member. One end of the drag chain link plate 2 away from the splicing buckle 3 is provided with a splicing buckle hole 4. The splicing buckle 3 is clamped with the splicing buckle hole 4. The inner side of the drag chain link plate 2 is provided with a limiting gap 201 at one end close to the splicing buckle hole 4.

[0022] The working principle of the utility model is: in use, two drag chain link plates 2 are installed in correspondence, the long support bar 6 on one drag chain link plate 2 is arranged on the position of the short support bar 5 on the other drag chain link plate 2, the long support bar 6 is inserted into the inside of the long support bar buckle 501 provided on the short support bar 5, the lower limit stop gear 602 on the upper surface of the long support bar 6 is unidirectionally clamped and limited with the upper limit stop gear 502 on the short support bar 5, the distance adjusting scale 601 on the long support bar 6 can be used to control the accurate distance when controlling the spacing between the two drag chain link plates 2, and a plurality of connected drag chain connectors 1 are sequentially arranged in order, the splicing buckle hole 4 provided on the rear drag chain connector 1 is clamped on the outer side of the splicing buckle hole 4 on the front drag chain connector 1, the connecting gap 8 provided on the drag chain link plate 2 can be used for the free movement of the plurality of drag chain connectors 1, the height of the protrusion 7 provided on the upper and lower surfaces of the drag chain link plate 2 is higher than the height of the long support bar buckle 501, so that when the two drag chain link plates 2 are connected and assembled into the drag chain connector 1 and the cable is placed in the drag chain connector 1, the drag chain can prevent the drag chain connector 1 from being rubbed to cause the dislocation of the short support bar 5 and the long support bar 6 during movement.

[0023] It is to be noted that, in the present text, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions, and the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0024] While the embodiments of the present application have been shown and described, it is to be understood that the embodiments can be varied, modified, substituted and changed by those skilled in the art without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. Adjustable towline, comprising a towline head (1), characterized in that, The inside of the drag chain connector (1) is provided with a drag chain link plate (2), the inner side of the upper surface of the drag chain link plate (2) is provided with a short support bar (5), the inner side of the drag chain link plate (2) below the short support bar (5) is provided with a long support bar (6), the inner side of the upper surface of the long support bar (6) is provided with a lower limit catch (602), the upper surface of the short support bar (5) is provided with an upper limit catch (502), the outer side of the upper limit catch (502) is provided with a long support bar buckle (501) on the upper surface of the short support bar (5), and the end of the short support bar (5) and the long support bar (6) is provided with a protrusion (7) on the upper and lower surfaces of the drag chain link plate (2).

2. An adjustable towline according to claim 1, characterised in that, The lower surface of the long support bar (6) is provided with a pitch scale (601), and the front and rear surfaces of the drag chain link plate (2) are provided with a coupling notch (8).

3. An adjustable towline according to claim 1, characterised in that, One end of the drag chain link plate (2) is provided with a splicing buckle (3), the drag chain link plate (2) is provided with a splicing buckle hole (4) at one end away from the splicing buckle (3), and the inner side of the drag chain link plate (2) is provided with a limiting notch (201) at one end close to the splicing buckle hole (4).

4. An adjustable towline according to claim 1, characterised in that, The height size of the protrusion (7) is greater than the height size of the long support bar buckle (501), and the long support bar (6) is connected with the upper limit catch (502) through the lower limit catch (602).

5. An adjustable towline according to claim 2, characterised in that, The drag chain link plate (2) is a whole waist type structure member.

6. An adjustable towline according to claim 3, characterised in that, The splicing buckle (3) is connected with the splicing buckle hole (4).

7. An adjustable towline according to claim 1, characterised in that, The protrusion (7) is fixedly connected with the drag chain link plate (2), and the short support bar (5) and the long support bar (6) are fixedly connected with the drag chain connector (1).

Images