CN216564463U

CN216564463U - Heavy-load type dust-free drag chain

Info

Publication number: CN216564463U
Application number: CN202123248477.6U
Authority: CN
Inventors: 苏鑫; 莫华坤
Original assignee: Dongguan Yuelong Plastic Metal Technology Co ltd; Ward Drag Chain Cable Protection System Foshan Co ltd
Current assignee: Dongguan Yuelong Plastic Metal Technology Co ltd; Ward Drag Chain Cable Protection System Foshan Co ltd
Priority date: 2021-12-22
Filing date: 2021-12-22
Publication date: 2022-05-17
Anticipated expiration: 2031-12-22

Abstract

The utility model relates to a heavy-duty dust-free tow chain, which comprises a shell and a bearing keel, wherein the shell is provided with a bearing keel; the shell comprises a bending block, an extending block, a supporting frame and a joint end block; the supporting frame comprises supporting parts and embedding parts which are oppositely arranged on two sides; the supporting part is arranged in a wavy line shape in a reciprocating and winding way, and the embedding part is embedded in the extending block; the bearing keel is arranged in the shell in a penetrating way; the bearing keel comprises a keel component, a first fixing block and a second fixing block which are sequentially connected; the first fixing block and the second fixing block are respectively fixed on the joint end blocks at the two ends of the shell; the keel assembly comprises joint blocks which are oppositely arranged on two sides, a locking strip for fixing the joint blocks on the two sides and a support rod penetrating through the joint blocks on the two sides; the two ends of the stay bar are erected on the supporting part. Above-mentioned dustless tow chain of formula of heavily carrying, through set up the joint block in both sides and carry out the structure fixed through the locking strip again, improve bearing capacity, improve the reliability that bears fossil fragments and shell and be connected through the vaulting pole, greatly improve bearing capacity.

Description

Heavy-load type dust-free drag chain

Technical Field

The utility model relates to the technical field of mechanical drag chains, in particular to a heavy-duty dust-free drag chain.

Background

A drag chain, also known as a wire and cable protection drag chain, is a device for binding a cable or a wire or an air pressure pipe and an oil pressure pipe so as to facilitate the rotation and the movement of the drag chain. The drag chain is applied to reciprocating motion occasions, and can play a role in traction and protection of built-in cables, oil pipes, air pipes, water pipes and the like. Drag chains have been widely used in the industries of numerical control machines, electronic devices, glass machines, injection molding machine manipulators, handling machines, plastic machines, hoisting equipment, woodworking machines, automotive industry, industrial vehicles, metal working machines, machine tools, casting machines, port equipment, flat panel display equipment, semiconductor equipment, and the like.

The existing drag chain needs to move along with the automation equipment, so the shell of the drag chain is usually made of soft materials, and particularly, a plastic shell is usually adopted under the requirement of a dust-free working environment, so that the bearing capacity of the drag chain is insufficient, and the drag chain is easy to break under the condition that the cable is heavy in weight.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is necessary to provide a heavy-duty dust-free tow chain for solving the problem of insufficient carrying capacity.

A heavy duty dustless tow chain comprising:

the shell comprises a bending block, an extending block clamped with the bending block, a support frame embedded in the extending block, and a joint end block respectively connecting the bending block and the extending block; the joint end blocks are oppositely arranged at two ends of the outer shell; the support frame comprises support parts which are oppositely arranged on two sides and embedding parts which are arranged at intervals along the support parts; the supporting part is arranged in a wavy linear reciprocating and winding manner, and the embedding part is embedded in the extending block; the embedding part is provided with a connecting block; and

the bearing keel is connected with the shell, and the bearing keel is arranged in the shell in a penetrating manner; the bearing keel comprises keel components which are sequentially connected, and a first fixing block and a second fixing block which are oppositely arranged at two ends of the bearing keel; the first fixing block and the second fixing block are respectively fixed on the joint end blocks at two ends of the shell; the keel assembly comprises joint blocks which are oppositely arranged on two sides, locking strips for fixing the joint blocks on the two sides, and support rods for penetrating the joint blocks on the two sides; the joint block is clamped on the joint block, two ends of the support rod are erected on the supporting part, and the bending block and the extending block clamp and fix the support rod.

Above-mentioned dustless tow chain of formula of heavily carrying, through wear to establish in the shell and bear fossil fragments, the fossil fragments subassembly carries out the structure fixed through the locking bar again through setting up the joint block in both sides, improves bearing capacity, and the first fixed block of rethread is fixed in the shell with the second fixed block, guarantees through the vaulting pole improvement to bear the reliability that fossil fragments and shell are connected and to rotate certain angle simultaneously, greatly improves bearing capacity.

In one embodiment, the embedding part is arranged in an arc-shaped long strip structure, the embedding part is arranged between the supporting parts on two sides, and the supporting parts are correspondingly arranged at the joint positions of the bending block and the extending block.

In one embodiment, the joint block is arranged in a U-shaped structure, one end of the joint block is inserted into the joint block, and the locking strip is arranged at one end of the joint block, which is far away from the joint block.

In one embodiment, the first fixing block is inserted into the adjacent joint block; the second fixing block is sleeved on the outer side of the adjacent joint block.

In one embodiment, the first fixing block and the joint block are arranged in the same direction, the second fixing block and the joint block are arranged in the same direction, and the first fixing block and the second fixing block are respectively bolted to the joint end block.

In one embodiment, the joint block comprises a plug-in part and a socket-joint part; the inserting parts of two adjacent keel assemblies are correspondingly inserted in the sleeving connection parts; the inserting part is provided with a first pin hole and a second pin hole, a first pin column penetrates through the first pin hole, and a second pin column is arranged in the second pin hole; the sleeve joint part is provided with a joint hole and a sliding hole, the first pin column is correspondingly inserted in the joint hole, and the second pin column is arranged in the sliding hole in a sliding mode.

In one embodiment, one end of the sleeve part is provided with bending grooves, and each bending groove is arranged on one side of the bearing keel far away from the extension block.

In one embodiment, the engaging holes are arranged in a circular through hole structure, the sliding holes are arranged in an elongated through hole structure, and the sliding holes are arranged on one side of the engaging holes close to the bending groove.

In one embodiment, the stay bar is arranged in a cylindrical structure, and the stay bar penetrates through the first pin column.

In one embodiment, the locking bar is arranged in a rectangular strip structure, and a locking hook and a top block are arranged on the locking bar; the setting quantity of kicking block is two, two the kicking block respectively with two the lock hook corresponds the setting, the lock hook corresponds to collude and establishes in both sides one side that the joint piece deviates from each other, the kicking block corresponds the butt in both sides one side that the joint piece is close to each other.

Drawings

FIG. 1 is a schematic structural diagram of a heavy-duty dust-free tow chain according to an embodiment of the present invention;

FIG. 2 is an exploded view of the heavy-duty dustless tow chain shown in FIG. 1;

FIG. 3 is a schematic structural view of the support frame shown in FIG. 2;

figure 4 is an exploded view of the keel assembly of figure 2.

The reference numbers in the drawings have the meanings given below:

100. a heavy-duty dustless tow chain;

10. a housing; 11. bending the block; 12. a stretching block; 13. a support frame; 14. a connector end block; 15. a support portion; 16. an embedding part; 17. a joining block;

20. a load bearing keel; 21. a keel assembly; 22. a first fixed block; 23. a second fixed block; 25. a joint block; 251. a plug-in part; 252. a first pin hole; 253. a second pin hole; 254. a first pin; 255. a second pin; 256. a socket joint part; 257. an engagement hole; 258. a slide hole; 259. bending the groove; 26. a locking bar; 261. locking the hook; 265. a top block; 27. a stay bar.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Referring to fig. 1 to 4, a heavy-duty dust-free tow chain 100 according to an embodiment of the present invention includes a housing 10 and a load keel 20 connected to the housing 10; the inside of this dustless tow chain 100 of formula of heavily carrying is used for wearing to establish the cable, and then carries out airtight dustless protection to the cable of reciprocal buckling.

The shell 10 comprises a bending block 11, an extending block 12 clamped with the bending block 11, a support frame 13 embedded in the extending block 12, and a joint end block 14 respectively connecting the bending block 11 and the extending block 12. The bending block 11 is approximately arranged in an arc-shaped long strip structure, the bending block 11 is arranged on the inner side of the external cable bending direction, and the cross section of the bending block 11 is arranged in a reciprocating bending structure, so that the bent edges of the bending block 11 are close to each other when the cable is bent, and the bending operation is further realized; the extension block 12 is approximately in an arc-shaped long strip structure, the extension block 12 is arranged on the outer side of the external cable bending direction, the cross section of the extension block 12 is in a reciprocating bending structure, the outer edges of two sides of the extension block 12 are clamped with the outer edges of two sides of the bending block 11, a closed cavity is formed between the bending block 11 and the extension block 12 for the external cable to pass through, and the bent edges of the extension block 12 are mutually away from each other when the cable is bent, so that the bending operation is realized. It can be understood that the number of the bending blocks 11 may be multiple, and the bending blocks 11 are sequentially spliced and fixed; the number of the extension blocks 12 may be plural, and the extension blocks 12 are sequentially connected and fixed.

The supporting frame 13 is arranged between the bending block 11 and the extending block 12, and the supporting frame 13 is used for installing the bearing keel 20; the support frame 13 includes support portions 15 disposed on opposite sides thereof, and fitting portions 16 disposed at intervals along the support portions 15. The supporting part 15 is correspondingly arranged at the joint position of the bending block 11 and the stretching block 12, the supporting part 15 extends along the inner wall of the shell 10, and the supporting part 15 is arranged in a wave-shaped reciprocating and winding way; the embedding part 16 is embedded in the extending block 12, the embedding part 16 is arranged in an arc-shaped long strip structure, the embedding part 16 is arranged between the supporting parts 15 at two sides, the embedding part 16 is abutted against the inner sides of the curved sides of the extending block 12, and the supporting frame 13 is further fixed at one side of the extending block 12 close to the bending block 11. It is understood that the number of the supporting frames 13 may be multiple, and each supporting frame 13 is sequentially arranged along the inner wall of the extending block 12 at intervals. Furthermore, the embedding part 16 is provided with a joint block 17, the joint block 17 is arranged on one side of the embedding part 16 far away from the extension block 12, and the joint block 17 is used for clamping and fixing the bearing keel 20. In this embodiment, the connecting blocks 17 are disposed in a U-shaped structure, two connecting blocks 17 are correspondingly disposed on each embedding portion 16, and the two connecting blocks 17 are disposed at intervals along the embedding portion 16 to improve the connection reliability.

The terminal end blocks 14 are oppositely arranged at two ends of the shell 10, the terminal end blocks 14 are used for connecting cables with external electric devices, the terminal end blocks 14 are of a two-half splicing structure and are clamped and fixed at the outer sides of the bending block 11 and the extending block 12, two halves of the terminal end blocks 14 are arranged in a symmetrical structure to ensure that uniform production and processing can be carried out, the two half blocks can be symmetrically spliced to form the terminal end blocks 14, dies are saved, and production cost is reduced.

The bearing keel 20 is connected with the shell 10, the bearing keel 20 is arranged in the shell 10 in a penetrating way, and the bearing keel 20 is used for improving the bearing capacity of the shell 10; the bearing keel 20 comprises a keel component 21, a first fixing block 22 and a second fixing block 23, wherein the keel component 21, the first fixing block 22 and the second fixing block 23 are connected in sequence, and the first fixing block and the second fixing block are oppositely arranged at two ends of the bearing keel 20. The keel assembly 21 includes joint blocks 25 oppositely disposed at two sides, a locking bar 26 for fixing the joint blocks 25 at two sides, and a stay bar 27 penetrating the joint blocks 25 at two sides. The joint block 25 is clamped on the joint block 17, one end of the joint block 25 is inserted into the joint block 17, and the arrangement positions of the joint blocks 25 on the two sides of each keel component 21 respectively correspond to the arrangement positions of the joint blocks 17 on each embedding part 16; the joint block 25 includes a plug-in part 251 and a socket-joint part 256; the inserting parts 251 of two adjacent keel assemblies 21 are correspondingly inserted in the sleeve parts 256. The inserting part 251 is arranged in a straight plate structure, and the inserting part 251 is arranged at one end of the joint block 25; the section of the sleeve-joint part 256 is of a U-shaped structure, the sleeve-joint part 256 is relatively arranged at the other end of the joint block 25, an opening is arranged at one end of the sleeve-joint part 256 far away from the inserting-connecting part 251 to ensure that the inserting-connecting part 251 is correspondingly inserted into the sleeve-joint part 256, and one end of the sleeve-joint part 256 close to the extending block 12 is correspondingly clamped on the joining block 17. Further, one end of the socket portion 256 is provided with a bending groove 259, the bending groove 259 is arc-shaped and is disposed at one end of the socket portion 256 away from the inserting portion 251, and each bending groove 259 is disposed at one side of the load-bearing keel 20 away from the extending block 12 to ensure that each keel assembly 21 can be bent towards the bending block 11.

The inserting portion 251 is provided with a first pin hole 252 and a second pin hole 253; the first pin hole 252 is disposed in a circular through hole structure, the second pin hole 253 is disposed in a circular through hole structure, and the first pin hole 252 and the second pin hole 253 are disposed in parallel at an interval on the inserting portion 251. Further, a first pin 254 is inserted into the first pin hole 252, and a second pin 255 is inserted into the second pin hole 253; the first pin 254 is disposed in a cylindrical structure, the first pin 254 is perpendicular to the direction of the insertion portion 251, and the first pin 254 is engaged with the first pin hole 252; the second pin 255 is disposed in a cylindrical structure, the second pin 255 and the first pin 254 are disposed in the same direction, the second pin 255 and the first pin 254 are disposed in parallel on the inserting portion 251, and the second pin 255 is engaged with the second pin hole 253. Furthermore, the engaging hole 257 and the sliding hole 258 are disposed on the engaging portion 256; the connecting hole 257 is arranged in a circular through hole structure, the connecting hole 257 corresponds to the position of the first pin hole 252, and the first pin 254 is correspondingly inserted into the connecting hole 257 to hinge the two adjacent joint blocks 25; the sliding hole 258 is arranged in a strip structure, the sliding hole 258 is arranged at one side of the connecting hole 257 close to the bending groove 259, the sliding hole 258 corresponds to the arrangement position of the second pin hole 253, and the second pin 255 is slidably arranged in the sliding hole 258 to ensure the bearing capacity of the connection between the joint blocks 25 and ensure that two adjacent joint blocks 25 can rotate relatively.

The locking bar 26 is arranged in a rectangular strip structure, the direction of the locking bar 26 is perpendicular to the direction of the insertion part 251, and the locking bar 26 is arranged at one end of the joint block 25 away from the joint block 17; the locking bar 26 is provided with a locking hook 261 and a top block 265. The lock hook 261 is oppositely arranged at two ends of the lock bar 26, and the lock hook 261 is correspondingly hooked at one side of the two sides of the joint blocks 25 which are deviated from each other; this kicking block 265 is the protruding block structure setting of rectangle, and this kicking block 265 sets up between two lock hooks 261, and the quantity that sets up of kicking block 265 is two, and two kicking blocks 265 correspond the setting with two lock hooks 261 respectively, and kicking block 265 corresponds the butt in the one side that the joint piece 25 of both sides is close to each other, and this kicking block 265 cooperates the card with lock hook 261 to establish on joint piece 25.

This vaulting pole 27 is the setting of cylindric structure, and this vaulting pole 27 sets up along the horizontal direction, and this first round pin 254 is worn to establish by vaulting pole 27, and the both ends of vaulting pole 27 are erect on supporting part 15, and this vaulting pole 27 is fixed with the centre gripping of extension piece 12 to the reliability of being connected between assurance bearing keel 20 and the shell 10 guarantees that the shell 10 supports bearing keel 20 when bending.

Further, the first fixing block 22 and the second fixing block 23 are respectively fixed on the joint end blocks 14 at the two ends of the housing 10, the first fixing block 22 is inserted into the adjacent joint block 25, the first fixing block 22 is connected with the sleeve-joint part 256, and the arrangement directions of the first fixing block 22 and the joint block 25 are the same; the second fixing block 23 is sleeved outside the adjacent joint block 25, the second fixing block 23 is connected with the insertion part 251, the arrangement direction of the second fixing block 23 is the same as that of the joint block 25, and the first fixing block 22 and the second fixing block 23 are respectively fixed with the joint end block 14 through bolts. In this embodiment, the number of the first fixing blocks 22 is two, two first fixing blocks 22 are arranged at the same end of the bearing keel 20, and the two first fixing blocks 22 are fixedly connected with the sleeve-joint parts 256 of the joint blocks 25 at two sides of the adjacent keel assembly 21; the number of the second fixing blocks 23 is two, two second fixing blocks 23 are arranged at the other end of the bearing keel 20, and the two second fixing blocks 23 are fixedly connected with the insertion parts 251 of the joint blocks 25 at two sides of the adjacent keel assembly 21.

Above-mentioned dustless tow chain of formula of heavily carrying 100, through wear to establish in shell 10 and bear fossil fragments 20, fossil fragments subassembly 21 improves bearing capacity through setting up joint block 25 rethread locking strip 26 in both sides and carrying out the structure fixed, and rethread first fixed block 22 is fixed in shell 10 with second fixed block 23, improves the reliability that bears fossil fragments 20 and shell 10 to be connected through vaulting pole 27 and guarantees simultaneously to rotate certain angle, greatly improves bearing capacity.

All possible combinations of the technical features of the above embodiments may not be described for the sake of brevity, but should be considered as within the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A heavy duty dustless tow chain, comprising:

2. The heavy-duty dust-free tow chain according to claim 1, wherein the embedding part is arranged in an arc-shaped long strip structure, the embedding part is arranged between the supporting parts at two sides, and the supporting parts are correspondingly arranged at the joint positions of the bending block and the extending block.

3. The heavily loaded dustless tow chain of claim 1, wherein the engagement block is arranged in a U-shaped configuration with one end of the engagement block inserted therein, and the locking bar is arranged at an end of the engagement block remote from the engagement block.

4. The heavy-duty dust-free tow chain according to claim 1, wherein the first fixing block is inserted into the adjacent joint block; the second fixing block is sleeved on the outer side of the adjacent joint block.

5. The heavy-duty dust-free tow chain according to claim 4, wherein the first fixing block and the joint block are arranged in the same direction, the second fixing block and the joint block are arranged in the same direction, and the first fixing block and the second fixing block are respectively bolted to the joint end block.

6. The heavy-duty dustless tow chain of claim 1, wherein the joint block comprises a socket portion and a socket portion; the inserting parts of two adjacent keel assemblies are correspondingly inserted in the sleeving connection parts; the inserting part is provided with a first pin hole and a second pin hole, a first pin column penetrates through the first pin hole, and a second pin column is arranged in the second pin hole; the sleeve joint part is provided with a joint hole and a sliding hole, the first pin column is correspondingly inserted in the joint hole, and the second pin column is arranged in the sliding hole in a sliding mode.

7. The heavily loaded dirt-free tow chain of claim 6, wherein the socket portion is provided at one end with a curved slot, each curved slot being disposed on a side of the load keel remote from the extension block.

8. The heavy-duty dust-free tow chain according to claim 7, wherein the engagement holes are arranged in a circular through hole structure, the slide holes are arranged in an elongated through hole structure, and the slide holes are arranged on one side of the engagement holes close to the bending groove.

9. The dust-free heavy-duty drag chain of claim 6, wherein said stay is disposed in a cylindrical configuration, and said stay is inserted through said first pin.

10. The dust-free towline of claim 6, wherein the locking bar is in a rectangular strip structure, and the locking bar is provided with a locking hook and a top block; the setting quantity of kicking block is two, two the kicking block respectively with two the lock hook corresponds the setting, the lock hook corresponds to collude and establishes in both sides one side that the joint piece deviates from each other, the kicking block corresponds the butt in both sides one side that the joint piece is close to each other.