CN113459458B - Traction tube connecting mechanism - Google Patents
Traction tube connecting mechanism Download PDFInfo
- Publication number
- CN113459458B CN113459458B CN202110751293.7A CN202110751293A CN113459458B CN 113459458 B CN113459458 B CN 113459458B CN 202110751293 A CN202110751293 A CN 202110751293A CN 113459458 B CN113459458 B CN 113459458B
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- traction
- central
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- seats
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/355—Conveyors for extruded articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/04—Polymers of ethylene
- B29K2023/06—PE, i.e. polyethylene
- B29K2023/0608—PE, i.e. polyethylene characterised by its density
- B29K2023/065—HDPE, i.e. high density polyethylene
Abstract
The invention discloses a traction pipe connecting mechanism, which relates to the field of traction pipe processing and comprises a traction pipe connecting mechanism, wherein the traction pipe connecting mechanism comprises a body, two ends of the body are respectively and movably provided with a central seat, and a plurality of connecting assemblies are arranged on the central seats in a sliding manner along the radial direction; the body is provided with a first driving component for driving the central seat to reciprocate, and the central seat is provided with a second driving component for driving the connecting component to slide in the radial direction; the two central seats are respectively used for being inserted into the pipe orifices of two traction pipes which are butted, and the connecting assembly slides radially to enable the central seats and the traction pipes to be fixedly connected. It drives two center seats through second drive assembly and is close to each other or keep away from, and then splices two traction tubes, avoids offering the large groove in week side of the tip of one of them traction tube, and then has improved the intensity of traction tube.
Description
Technical Field
The invention relates to a traction tube mounting technology, in particular to a traction tube connecting mechanism.
Background
The PE traction pipe is a flexible pipe material which is formed by taking high-density polyethylene as a raw material through extrusion and vacuum forming and has smooth inner and outer walls, and is mainly used in areas where excavation operation cannot be carried out.
Under the name of 'CN 201210244471.8', the pipe pre-traction connecting device comprises: the lifting ring, the connecting disc, the first connecting rod, the second connecting rod, the first connecting plate and the second connecting plate; the lifting ring is arranged on the outer side of the connecting disc; one end of the first connecting rod is connected to the inner side of the connecting disc, and the other end of the first connecting rod is connected to the inner side of the first connecting plate; one end of the second connecting rod is connected to the inner side of the connecting disc, and the other end of the second connecting rod is connected to the inner side of the second connecting plate; the connecting device also comprises a supporting rod, wherein one end of the supporting rod is arranged on the first connecting plate, and the other end of the supporting rod is arranged on the second connecting plate; and a supporting rod length adjusting device is arranged on the supporting rod. The pipe pre-traction connecting device can adjust the length of the supporting rod according to the inner diameter of the pipe, so that the pipe pre-traction connecting device can be suitable for pipes of various specifications and has universality; and the adjusting range is large, and the adjustable pipe can be universally used for various pipes with large and small diameters.
In the prior art including the above patent, in order to bring the traction tube into the equipment, the traction tube needs to be cut off from the middle part, the two traction tubes are connected by splicing, then a large groove of about one third is arranged on the peripheral side of the end part of one traction tube, the traction tube is extended into the traction tube to be operated, and then the two traction tubes are spliced and pulled by a tractor, because the large groove of about one third is arranged on the peripheral side of the end part of one traction tube, the strength of the traction tube is reduced in the pulling process, the traction tube is easily broken during the traction process of the traction machine.
Disclosure of Invention
The invention aims to provide a traction tube connecting mechanism to solve the defects in the prior art.
In order to achieve the above purpose, the invention provides the following technical scheme:
a traction pipe connecting mechanism comprises a body, wherein two ends of the body are respectively and movably provided with a central seat, and a plurality of connecting assemblies are arranged on the central seats in a sliding manner along the radial direction; the body is provided with a first driving assembly for driving the center seat to reciprocate, and the center seat is provided with a second driving assembly for driving the connecting assembly to slide in the radial direction; the two central seats are respectively used for being inserted into the pipe orifices of two traction pipes which are butted, and the connecting assembly slides radially to enable the central seats and the traction pipes to be fixedly connected.
Preferably, each of the connecting assemblies controls the opening or closing of each connecting assembly simultaneously through a second driving assembly.
Preferably, each of the second driving assemblies includes a plurality of V-shaped rods, each of the V-shaped rods is slidably connected to the central seat, and each of the V-shaped rods is slidably connected to each of the connecting assemblies.
Preferably, the connection assembly comprises a support unit slidably connected to the center base and an arc-shaped abutting block fixedly connected to the support unit, and the arc-shaped abutting block abuts against the inner wall of the traction tube.
Preferably, the first driving assembly is detachably connected with each central seat respectively.
Preferably, the first driving assembly comprises two limiting units, and each central seat is provided with a limiting part matched with the limiting unit.
Preferably, the first driving assembly further comprises two insertion units, and each central seat is provided with an insertion part matched with the insertion unit.
Preferably, the first driving assembly includes a screw adjusting unit and a link unit, and the link unit and the screw adjusting unit are hinged to each other.
Preferably, the screw rod adjusting unit comprises a second screw rod and a third screw rod which are fixedly connected at the ends, and the screw directions of the second screw rod and the third screw rod are opposite.
Preferably, the link unit includes two adjusting blocks vertically disposed and four hinge rods whose ends are hinged to each other.
In the technical scheme, the two central seats are driven by the second driving assembly to be close to or far away from each other, so that the two traction pipes are spliced, a large groove is prevented from being formed in the peripheral side of the end of one traction pipe, and the strength of the traction pipes is improved.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.
FIG. 1 is a schematic diagram of an overall configuration of a traction tube coupling mechanism according to an embodiment of the present invention;
FIG. 1a is a schematic view of a spike mounting structure of a body according to an embodiment of the present invention;
fig. 2 is a schematic view of an installation structure of the connection assembly according to the embodiment of the present invention;
FIG. 2a is a schematic view of a second driving assembly spike according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a tightening of the connecting assembly according to the embodiment of the present invention;
fig. 4 is a schematic structural diagram of a first driving assembly according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a second driving assembly according to an embodiment of the present invention
Fig. 6 is a schematic structural diagram of a connecting assembly according to an embodiment of the present invention;
fig. 6a is a schematic view of an installation structure of a spike portion in the connecting assembly according to the embodiment of the present invention;
FIG. 7 is a schematic structural diagram of a center seat according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a plug unit according to an embodiment of the present invention.
Description of reference numerals:
1. a body; 1.1, a center seat; 1.10, a convex chute; 1.11, a waist-shaped chute; 1.13, mounting blocks; 1.130, mounting holes; 1.2, a second driving component; 1.20, a V-shaped rod; 1.21, a cylindrical sliding block; 1.3, connecting components; 1.31, an arc-shaped abutting block; 1.310, a spine part; 1.32, support rods; 1.33, male slider; 1.330, a through groove; 1.4, a first screw; 1.5, a plug-in unit; 1.51, fixing blocks; 1.52, a cam; 1.520, an operating shaft; 1.53, a transmission rod; 1.54, a pin shaft; 1.541, a protrusion; 1.55, a limiting column; 1.6, a screw adjusting unit; 1.61, an adjusting block; 1.62, a second screw; 1.63, a connecting shaft; 1.64, a third screw; 1.7, a connecting rod unit; 1.71, hinged lever.
Detailed Description
In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.
Referring to fig. 1-8, a traction tube connection mechanism comprises a body 1, wherein two ends of the body 1 are respectively and movably provided with a central seat 1.1, and a plurality of connection assemblies 1.3 are arranged on the central seats 1.1 in a sliding manner along the radial direction; a first driving component for driving the central seat 1.1 to reciprocate is arranged on the body 1, and a second driving component 1.2 for driving the connecting component 1.3 to slide in the radial direction is arranged on the central seat 1.1;
the two central seats 1.1 are respectively used for being inserted into pipe orifices of two traction pipes which are butted, and the connecting assembly 1.3 slides radially to enable the central seats 1.1 and the traction pipes to be fixedly connected.
Specifically, the connecting mechanism is used for connecting two traction pipes, the end ports of the two traction pipe ends are coaxially and oppositely arranged, the two center seats 1.1 are respectively inserted into the end port of one traction pipe, the center seats 1.1 have two states, when the center seats 1.1 are not placed in the two traction pipes, the center seats 1.1 are in a retracted state, the center seats 1.1 are respectively inserted between the two end ports of each traction pipe, and then the center seats 1.1 are unfolded to enable the center seats 1.1 to respectively enter the pipe orifice of one traction pipe. At the moment, the connecting assembly 1.3 is unfolded, so that the connecting assembly 1.3 is clamped on the inner wall of the pipe orifice at the same time, one of the center seats 1.1 in the body 1 is fixedly connected to the port of the traction pipe through one of the connecting assemblies 1.3, one of the traction pipes is fixedly arranged at the port of the traction pipe through one of the connecting assemblies 1.3, the other center seat 1.1 in the body 1 is fixedly connected to the inside of the other traction pipe through the other connecting assembly 1.3, and the two traction pipes are connected through the connecting mechanism.
The central seat 1.1 is used for installing a plurality of connecting assemblies 1.3, the center of each central seat 1.1 is respectively collinear with the axle center of each traction tube, therefore, the plurality of connecting assemblies 1.3 are slidably connected on the central shaft, so that the plurality of connecting assemblies 1.3 can be simultaneously tightened or expanded in a manner of sliding in a radial direction of the central seat 1.1, so that the plurality of connecting assemblies 1.3 can fix the inner walls of the traction pipes at the same time, and the central seats 1.1 are movably arranged at the two ends of the body 1, so that each central seat 1.1 can be inserted into each traction pipe in a self-adaptive manner according to needs, and each central seat 1.1 can move in a reciprocating linear manner at the two end seats of the body 1 according to needs, and then realize connecting two traction tubes, can avoid simultaneously having seted up the macro groove in the week side of the port of one of them traction tube, strengthened the intensity of traction tube, also conveniently install and dismantle coupling mechanism body 1 and each traction tube simultaneously.
In one embodiment, preferably, two center seats 1.1 are respectively located at two ends of the traction tube connection mechanism body 1, the center seats 1.1 are located at two ends of the axis of the traction tube connection mechanism, the center seats 1.1 are in a regular polygon plate-shaped structure, a plurality of connection assemblies 1.3 are slidably connected to the end face of the center seats 1.1, the number of the connection assemblies 1.3 is at least three, the center seats 1.1 are in a regular hexagon plate-shaped structure, and the connection assemblies 1.3 are in six groups. Wherein, the connecting assembly 1.3 comprises a supporting unit which is connected on the central seat 1.1 in a sliding way and an arc-shaped abutting block 1.31 which is fixedly connected with the supporting unit, the arc-shaped abutting block 1.31 abuts against the inner wall of the traction tube, preferably, a spine part 1.310 is arranged on the periphery of each arc-shaped abutting block 1.31, a plurality of through holes which are matched with the spine parts 1.310 are arranged on the periphery of the mutually connected end parts of the two traction tubes, when a user puts one central seat 1.1 into one traction tube, the spine parts 1.310 on the arc-shaped abutting block 1.31 are in one-to-one correspondence with the through hole positions on the periphery of the traction tube, each connecting assembly 1.3 controls each connecting assembly 1.3 to open or tighten through a second driving assembly 1.2, the user manually controls the second driving assembly 1.2 to open a plurality of connecting assemblies 1.3 simultaneously, the periphery of the arc-shaped abutting block 1.31 abuts against the inner wall of the traction tube, and then the spine parts 1.31 are inserted into the through holes on the periphery of the traction tube, thereby leading the central seat 1.1 to be capable of adapting to the traction pipes with different inner diameters, and simultaneously being convenient for users to mount and dismount various central seats 1.1 and the traction pipes.
The body 1 is provided with a first driving component for driving the center bases 1.1 to do reciprocating motion, the first driving component is used for adjusting the distance between the two center bases 1.1 in the axial direction, so that the first driving component enables mechanisms for converting circumference into linear reciprocating motion, such as a crank rocker mechanism, a gear rack meshing mechanism and other mechanisms capable of converting the circumferential motion into the reciprocating linear motion, two center bases 1.1 are sequentially placed into corresponding traction pipes by a user, then the second driving component 1.2 is manually driven, each connecting component 1.3 is synchronously opened, when an arc-shaped block is mutually abutted with the inner parts of the traction pipes, the spine parts 1.310 are inserted into through holes formed on the peripheral sides of the corresponding traction pipes, then the first driving component is adjusted to enable the two center bases 1.1 to do reciprocating linear motion in the radial direction, and further adjust the distance between the two traction end parts, the user can splice the two ends of the two traction tubes conveniently.
In the technical scheme, the two central seats 1.1 are driven by the second driving assembly 1.2 to be close to or far away from each other, so that the two traction pipes are spliced, a large groove is prevented from being formed in the peripheral side of the end part of one traction pipe, and the strength of the traction pipe is improved.
Referring to fig. 2, 3, 5, 6 or 6a, further, the second driving assembly 1.2 includes a plurality of V-shaped rods 1.20, and the bottom ends of the V-shaped rods 1.20 are fixedly connected with cylindrical sliding blocks 1.21, the connecting assembly 1.3 includes a supporting unit slidably connected to the center base 1.1 and an arc-shaped abutting block 1.31 fixedly connected to the supporting unit, and the arc-shaped abutting block 1.31 abuts against the inner wall of the traction tube; wherein, the supporting unit includes convex slider 1.33 and the bracing piece 1.32 of fixed connection at convex slider 1.33 tip, the fixedly connected with arc butt piece 1.31 of the tip of bracing piece 1.32.
Specifically, the end surface of the central seat 1.1 is provided with six convex sliding grooves 1.10 matched with the convex sliding blocks 1.33 in a surrounding manner, a waist-shaped sliding groove 1.11 is formed between every two adjacent convex sliding grooves 1.10 in a surrounding manner, each waist-shaped sliding groove 1.11 is matched with one cylindrical sliding block 1.21, one waist-shaped sliding groove 1.11 is connected with a first screw rod 1.4 in a rotating manner, and the first screw rod 1.4 is in threaded connection with one cylindrical sliding block 1.21.
The first screw rod 1.4 is manually rotated clockwise by a user, so that the first screw rod 1.4 drives one of the cylindrical sliding blocks 1.21 to move towards the axis position of the axis seat, the cylindrical sliding block 1.21 moves while driving the V-shaped rod 1.20 to slide in the through groove 1.330 formed in the end part of the convex sliding block 1.33, and then two adjacent V-shaped rods 1.20 are close to each other in the radial direction, so that each arc-shaped abutting block 1.31 moves towards the axis of the center seat 1.1 on the center seat 1.1, as shown in fig. 3, each arc-shaped abutting block 1.31 contracts simultaneously, if the arc-shaped abutting blocks 1.31 need to be opened, only the first screw rod 1.4 needs to be rotated anticlockwise, so that the arc-shaped abutting blocks 1.31 can abut against the inner wall of the traction pipe mutually, the user can conveniently and fixedly connect the center seat 1.1 with the traction pipe, and the strength of the traction pipe is enhanced simultaneously.
Referring to fig. 1 or 1a, 3, 4, 7, the first drive assembly is detachably connected to each of the central seats 1.1.
Wherein, first drive assembly includes two spacing units, all is provided with one on each center seat 1.1 with the spacing portion of spacing unit looks adaptation, first drive assembly still includes two grafting units 1.5, all is provided with the grafting portion with grafting unit 1.5 looks adaptation on each center seat 1.1.
Specifically, the two limiting units comprise two fixed blocks 1.51 which are arranged in a left-right mirror symmetry manner, the fixed blocks 1.51 are of an internal hollow rectangular block structure, two side walls which are fixedly opposite to each other are respectively provided with a pin hole, the top end of each fixed block 1.51 is provided with a circular hole in a through manner, one end face of each fixed block 1.51 is fixedly connected with a limiting column 1.55, the limiting column is of a regular polygon prism structure, each small hole of each fixed block 1.51 is connected with a pin shaft 1.54 which is matched with the pin hole in a sliding manner, an operating shaft 1.520 is sleeved in the circular hole, the tail end of the operating shaft 1.520 is fixedly connected with a cam 1.52, each pin shaft 1.54 is hinged with the cam 1.52 through two transmission rods 1.53, and one end part, close to one pin shaft 1.54, is provided with a protruding part 1.541;
furthermore, a regular prism-shaped hole matched with the limiting column 1.55 is formed in the axis position of each central seat 1.1, the hole is a blind hole, the end face of each central seat 1.1 is positioned on two sides of the regular prism-shaped hole and is fixedly connected with an installation block 1.13, and two opposite end faces of each installation block 1.13 are connected with an installation hole 1.130 in a penetrating manner;
the user inserts the spacing post 1.55 that each fixed block 1.51 tip fixed connection respectively in mounting hole 1.130 in proper order, then manual clockwise rotation operating axle 1.520 again, make operating axle 1.520 drive cam 1.52 and rotate, and then make cam 1.52 drive transfer line 1.53 motion respectively, make round pin axle 1.54 remove in the pinhole, until round pin axle 1.54 inserts in mounting hole 1.130 of installation piece 1.13, make the protruding portion 1.541 of round pin axle 1.54 tip to carry out the butt to installation piece 1.13, at this moment can, when needing to dismantle fixed block 1.51, it can to rotate operating axle 1.520 anticlockwise this moment, make round pin axle 1.54 break away from with the pinhole and can realize dismantling.
Furthermore, the first driving assembly further comprises a screw adjusting unit 1.6 and a link unit 1.7, wherein the link unit 1.7 and the screw adjusting unit 1.6 are hinged to each other.
The screw rod adjusting unit 1.6 comprises a second screw rod 1.62 and a third screw rod 1.64 which are fixedly connected at the ends, and the screw directions of the second screw rod 1.62 and the third screw rod 1.64 are opposite; the link unit 1.7 comprises two vertically disposed adjusting blocks 1.61 and four articulated rods 1.71, the ends of which are articulated to each other.
Specifically, the end portions of the second screw 1.62 and the third screw 1.64 are connected through a connecting shaft 1.63, the second screw 1.62 is in threaded connection with one of the adjusting blocks 1.61, the third screw 1.64 is in threaded connection with the other adjusting block 1.61, a hinge shaft is fixedly connected to the centers of two end faces of the two adjusting blocks 1.61 and the two fixing blocks 1.51, which are opposite to the end faces, as a main part, the end portions of the hinge rods 1.71 are respectively hinged to the end faces of the adjusting blocks 1.61 or the fixing blocks 1.51 through the hinge shaft, and the hinge rods 1.71 are located between the adjusting blocks 1.61 or the fixing blocks 1.51 and the protruding portions 1.541 at the end portions of the pin shafts 1.54.
The user respectively inserts the limit posts 1.55 fixedly connected with the end parts of the fixing blocks 1.51 into the mounting holes 1.130 in sequence, then the operating shaft 1.520 is manually rotated clockwise, so that the operating shaft 1.520 drives the cam 1.52 to rotate, then the cams 1.52 drive the transmission rods 1.53 to move respectively, the pin shafts 1.54 move in the pin holes until the pin shafts 1.54 are inserted into the mounting holes 1.130 of the mounting blocks 1.13, the protrusions 1.541 at the ends of the pin shafts 1.54 abut against the mounting blocks 1.13, at this time, a user manually rotates the second screw rod 1.62 or the third screw rod 1.64 clockwise, at this time, the two adjusting blocks 1.61 are mutually separated in the radial direction, and then the two fixed blocks 1.51 are mutually close under the action of the hinge rods 1.71, so that the two fixed blocks 1.51 respectively drive the two central seats 1.1 to mutually close, and then make each center seat 1.1 drive each traction tube respectively and be close to in the radial direction of people, and then convenience of customers splices two traction tubes.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (7)
1. The traction pipe connecting mechanism is characterized by comprising a body (1), wherein two ends of the body (1) are respectively and movably provided with a central seat (1.1), and a plurality of connecting assemblies (1.3) are arranged on the central seats (1.1) in a sliding manner along the radial direction; the body (1) is provided with a first driving component for driving the center seat (1.1) to reciprocate, and the center seat (1.1) is provided with a second driving component (1.2) for driving the connecting component (1.3) to slide in the radial direction;
the two central seats (1.1) are respectively used for being inserted into pipe orifices of two traction pipes which are butted, and the connecting assembly (1.3) slides radially to enable the central seats (1.1) and the traction pipes to be fixedly connected;
each connecting assembly (1.3) controls each connecting assembly (1.3) to open or tighten simultaneously through a second driving assembly (1.2);
each connecting assembly (1.3) comprises a supporting unit connected to the central seat (1.1) in a sliding mode and an arc-shaped abutting block (1.31) fixedly connected with the supporting unit, and the arc-shaped abutting block (1.31) abuts against the inner wall of the traction pipe;
each second driving component (1.2) comprises a plurality of V-shaped rods (1.20), the bottom ends of the V-shaped rods (1.20) are fixedly connected with cylindrical sliding blocks (1.21), each V-shaped rod (1.20) is connected to the central seat (1.1) in a sliding manner,
and each V-shaped rod (1.20) is respectively connected with each connecting component (1.3) in a sliding way;
the supporting unit comprises a convex sliding block (1.33) and a supporting rod (1.32) fixedly connected to the end part of the convex sliding block (1.33), and the end part of the supporting rod (1.32) is fixedly connected with an arc-shaped abutting block (1.31);
the end face of the central seat (1.1) is provided with six convex sliding grooves (1.10) matched with the convex sliding blocks (1.33) in a surrounding mode, a waist-shaped sliding groove (1.11) is arranged between every two adjacent convex sliding grooves (1.10) in a surrounding mode, each waist-shaped sliding groove (1.11) is matched with each cylindrical sliding block (1.21), one of the waist-shaped sliding grooves (1.11) is connected with a first screw rod (1.4) in a rotating mode, and the first screw rod (1.4) is in threaded connection with one of the cylindrical sliding blocks (1.21).
2. A traction tube coupling according to claim 1, wherein the first drive assembly is detachably connected to each central seat (1.1).
3. A traction tube coupling according to claim 1, wherein the first drive assembly comprises two limiting units, and each of the central seats (1.1) is provided with a limiting portion adapted to the limiting unit.
4. A traction tube coupling according to claim 3, wherein the first drive assembly further comprises two plug units (1.5), each central seat (1.1) being provided with a plug portion adapted to the plug unit (1.5).
5. Traction tube connection according to claim 4, characterized in that the first drive assembly comprises a screw adjustment unit (1.6) and a link unit (1.7), the link unit (1.7) and the screw adjustment unit (1.6) being articulated to each other.
6. Traction tube connection according to claim 5, characterized in that the screw adjustment unit (1.6) comprises a second screw (1.62) and a third screw (1.64) fixedly connected at their ends, the screw directions of the second screw (1.62) and the third screw (1.64) being opposite.
7. Traction tube connection according to claim 6, characterized in that the link unit (1.7) comprises two vertically placed adjustment blocks (1.61) and four articulated rods (1.71) with mutually hinged ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110751293.7A CN113459458B (en) | 2021-07-02 | 2021-07-02 | Traction tube connecting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110751293.7A CN113459458B (en) | 2021-07-02 | 2021-07-02 | Traction tube connecting mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN113459458A CN113459458A (en) | 2021-10-01 |
| CN113459458B true CN113459458B (en) | 2022-04-08 |
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| CN202110751293.7A Active CN113459458B (en) | 2021-07-02 | 2021-07-02 | Traction tube connecting mechanism |
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| CN111468881A (en) * | 2020-04-17 | 2020-07-31 | 王星昊 | Hollow pipe splicing and connecting device |
| CN111873438A (en) * | 2020-08-14 | 2020-11-03 | 中工恒盛科技有限公司 | Anti-oxidation hot melting equipment for plastic pipes |
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