CN220242459U - External thread joint rubber tube fastening device - Google Patents
External thread joint rubber tube fastening device Download PDFInfo
- Publication number
- CN220242459U CN220242459U CN202321422296.7U CN202321422296U CN220242459U CN 220242459 U CN220242459 U CN 220242459U CN 202321422296 U CN202321422296 U CN 202321422296U CN 220242459 U CN220242459 U CN 220242459U
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- external thread
- thread joint
- positioning seat
- bar
- fastening device
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- 238000001125 extrusion Methods 0.000 claims abstract description 48
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The utility model relates to the technical field of pipe fitting processing and discloses an external thread joint rubber pipe fastening device, which comprises a base, wherein the base is formed with an inserting hole with an upper side opening, and a liftable external thread joint positioning seat is sleeved in the inserting hole; a plurality of radial through grooves with uniformly distributed circumferences are formed on the outer wall of the middle part of the jack, an extrusion block is sleeved in each radial through groove, and a driving mechanism for driving the extrusion blocks to radially move is arranged in the base; the lower extreme of the external thread joint positioning seat is fixed with a rack bar which is vertically arranged, the lower end of the rack bar is meshed with a gear, and the gear is connected with a servo motor. The pipe can be positioned through the external thread joint positioning seat; the positioning seat of the external thread connector can be driven to move downwards section by section through the servo motor, the gear and the rack rod, so that the extrusion block can extrude the external sheath for a plurality of times, the external sheath is extruded into a plurality of rings, the structure of the external sheath is increased, and the connection stability of the rubber tube and the external thread connector is increased.
Description
Technical Field
The utility model relates to the technical field of pipe fitting machining, in particular to a rubber tube fastening device for an external thread joint.
Background
As shown in figure 4 of the specification, the pipe fitting comprises a rubber pipe 92, the end part of the rubber pipe is sleeved with a pagoda-shaped external thread joint 91 and an external sheath 90, the external sheath can protect the end part of the rubber pipe, the connection stability of the rubber pipe and the external thread joint can be improved by extruding the external sheath inwards, and the probability that the external thread joint falls off from the rubber pipe is reduced. The existing extrusion mode of the outer sheath is generally that the outer wall of the outer sheath is extruded into a plurality of concave surfaces with uniformly distributed circumferences through a plurality of extrusion strips with uniformly distributed circumferences, and the fastening connection capability of a rubber tube and an external thread joint is improved through inward deformation and extrusion of the outer sheath; but the concave sinking surface has single structure, poor structural stability and easy deformation, and the extrusion effect of the outer sheath on the rubber tube is reduced after a long time, thereby influencing the connection stability of the rubber tube and the outer wire joint.
Disclosure of Invention
The utility model aims to provide an external thread joint rubber tube fastening device, which can position a pipe through an external thread joint positioning seat; the positioning seat of the external thread connector can be driven to move downwards section by section through the servo motor, the gear and the rack rod, so that the extrusion block can extrude the external sheath for a plurality of times, the external sheath is extruded into a plurality of rings, the structure of the external sheath is increased, and the connection stability of the rubber tube and the external thread connector is increased.
The technical aim of the utility model is realized by the following technical scheme:
the outer thread joint rubber tube fastening device comprises a base, wherein an inserting hole with an opening at the upper side is formed in the base, and a liftable outer thread joint positioning seat is sleeved in the inserting hole;
a plurality of radial through grooves with uniformly distributed circumferences are formed in the outer wall of the middle part of the jack, an extrusion block is sleeved in each radial through groove, and a driving mechanism for driving the extrusion blocks to move radially is arranged in the base;
the lower extreme of the external thread joint positioning seat is fixed with a rack bar in vertical setting, the lower extreme of the rack bar is meshed with a gear, the gear is fixed on a motor shaft of a servo motor, and the servo motor is fixed at the bottom of the jack.
Through the technical scheme, the external thread connector of the pipe fitting is screwed on the external thread connector positioning seat, and the end face of the hexagonal part of the external thread connector is pressed against the upper end of the external thread connector positioning part so as to position the external thread connector, thereby completing the positioning of the pipe fitting;
then the servo motor drives the rack rod to move downwards, the rack rod drives the external thread connector positioning seat to move downwards, the external thread connector positioning seat drives the pipe fitting to move downwards, when the pipe fitting moves downwards to a certain depth, the servo motor stops rotating, the driving mechanism drives the extrusion block to move inwards, the extrusion block extrudes the outer sheath of the pipe fitting inwards, and therefore the first extrusion of the outer sheath is completed, and the extrusion block moves outwards to reset; then the servo motor continues to rotate to drive the pipe fitting to move downwards for a certain distance, then the extrusion block moves inwards again to extrude the outer sheath for the second time, the extrusion work is carried out for the third … … times, and the connection stability among the sheath, the rubber pipe and the outer wire joint can be improved through multiple extrusion;
the extrusion block is arranged at the outer side of one inclined column of the pagoda-shaped joint of the external thread joint at each extrusion position.
The utility model is further arranged to: the external thread connector positioning seat is formed with a trepanning with an opening at the upper side, and the bottom of the trepanning is formed with a threaded hole matched with the external thread connector.
Through above-mentioned technical scheme, the screw hole sets up in the trepanning bottom, reducible external thread joint positioning seat and external thread joint screw-thread engagement's number of turns, can accomplish the fastening work to external thread joint fast, raise the efficiency.
The utility model is further arranged to: the bottom surface of the jack is provided with a guide hole in vertical arrangement, and the lower end of the rack rod is inserted and sleeved in the guide hole.
Through the technical scheme, the guide holes can support and guide the side parts of the rack bar.
The utility model is further arranged to: the rack rod and the external thread joint positioning seat are eccentrically arranged;
the lower extending end of the rack rod penetrating through the guide hole is fixedly provided with a stop block.
Through the technical proposal, when the external thread connector is screwed on the external thread connector positioning seat, the external thread connector positioning seat can be prevented from rotating along with the external thread connector through eccentric arrangement,
the stop block can limit the upward displacement of the external thread connector positioning seat.
The utility model is further arranged to: the inner end of the extrusion block is formed with an arc surface.
Through the technical scheme, the outer wall of the outer sheath which is pressed by the arc surface is arc-shaped through pressing, so that the outer sheath is attractive, and the contact area between the outer sheath and the rubber sleeve is uniform.
The utility model is further arranged to: the middle part of the extrusion block is provided with an inclined through groove, and the inclined through groove comprises two outer inclined planes and two inner inclined planes which are arranged in parallel;
the driving mechanism comprises a driving bar which is obliquely arranged in the oblique through groove in a sleeved mode, the lower end of the driving bar is fixed to a telescopic rod of a telescopic cylinder, and the telescopic cylinder is fixed in the base.
According to the technical scheme, when the telescopic cylinder drives the driving bar to move upwards, the inner side surface of the driving bar is pressed against the inner inclined surface, and the driving bar pushes the extrusion block to move inwards along with the continuous upward movement of the driving bar, so that the extrusion block moves inwards, and the outer sheath is extruded;
when the telescopic cylinder drives the driving bar to move downwards, the outer side face of the driving bar is pressed against the outer inclined face, and the driving bar pushes the extrusion block to move outwards along with the continuous downward movement of the driving bar, so that the extrusion block moves outwards and resets.
The utility model is further arranged to: the upper end of the driving bar is provided with a first guide supporting bar which is inserted and sleeved in the guide through hole of the base;
the lower extreme shaping of first drive strip has the second support bar, and second support bar and telescopic cylinder fixed connection.
Through the technical scheme, the first guide support bar can provide support for the driving bar when pushing the extrusion block to move inwards or outwards, so that the load of the telescopic cylinder can be reduced.
The pipe can be positioned through the external thread joint positioning seat; the positioning seat of the external thread connector can be driven to move downwards section by section through the servo motor, the gear and the rack rod, so that the extrusion block can extrude the external sheath for a plurality of times, the external sheath is extruded into a plurality of rings, the structure of the external sheath is increased, and the connection stability of the rubber tube and the external thread connector is increased.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is an enlarged view of a portion of FIG. 1 about A;
FIG. 3 is a cross-sectional view of FIG. 1 with respect to B-B;
FIG. 4 is a schematic view of the structure of the extruded outer jacket of the pipe fitting;
the left side of fig. 4 is a schematic diagram of the prior art after the outer sheath is extruded, and the right side of fig. 4 is a schematic diagram of the structure of the present utility model after the outer sheath is extruded.
Reference numerals: 10. a base; 101. a jack; 102. radial through grooves; 103. a guide hole; 104. a guide through hole;
20. an external thread joint positioning seat; 21. a rack bar; 22. a gear; 23. a servo motor; 24. a stop block;
201. trepanning; 202. a threaded hole;
31. extruding a block; 311. an arc surface; 312. oblique through grooves; 3121. an outer inclined surface; 3122. an inner inclined surface;
40. a driving mechanism; 401. a drive bar; 402. a telescopic cylinder; 4011. a first guide support bar; 4012. a second support bar;
90. an external thread joint; 91. an outer sheath; 92. and (5) a rubber tube.
Detailed Description
The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.
The utility model is described below with reference to fig. 1 to 4:
the external thread joint rubber tube fastening device comprises a base 10, wherein an inserting hole 101 with an opening at the upper side is formed in the base 10, and a liftable external thread joint positioning seat 20 is sleeved in the inserting hole 101;
a plurality of radial through grooves 102 which are uniformly distributed on the circumference are formed on the outer wall of the middle part of the jack 101, an extrusion block 31 is sleeved in each radial through groove 102, and a driving mechanism 40 for driving the extrusion block 31 to radially move is arranged in the base 10;
the lower extreme of the external thread joint positioning seat 20 is fixed with a rack bar 21 which is vertically arranged, the lower end of the rack bar 21 is meshed with a gear 22, the gear 22 is fixed on a motor shaft of a servo motor 23, and the servo motor 23 is fixed at the bottom of the jack 101.
The outer thread joint 90 of the pipe fitting is screwed on the outer thread joint positioning seat 20, and the end face of the hexagonal part of the outer thread joint is pressed against the upper end of the outer thread joint positioning part so as to position the outer thread joint, thereby completing the positioning of the pipe fitting;
then the servo motor drives the rack rod to move downwards, the rack rod drives the external thread connector positioning seat to move downwards, the external thread connector positioning seat drives the pipe fitting to move downwards, when the pipe fitting moves downwards to a certain depth, the servo motor stops rotating, the driving mechanism drives the extrusion block to move inwards, the extrusion block extrudes the outer sheath of the pipe fitting inwards, and therefore the first extrusion of the outer sheath is completed, and the extrusion block moves outwards to reset; then the servo motor continues to rotate to drive the pipe fitting to move downwards for a certain distance, then the extrusion block moves inwards again to extrude the outer sheath for the second time, extrusion work of the third … … times and extrusion work of the fourth … … times are carried out in the same way, and the connection stability among the sheath, the rubber pipe and the outer wire connector can be improved through multiple times of extrusion.
The external thread connector positioning seat 20 is formed with a sleeve hole 201 with an opening at the upper side, and a threaded hole 202 matched with the external thread connector 90 is formed at the bottom of the sleeve hole 201.
The screw hole sets up in the trepanning bottom, reducible external thread joint positioning seat and external thread joint screw thread meshing's number of turns, can accomplish the fastening work to external thread joint fast, raises the efficiency.
A guide hole 103 is formed in the bottom surface of the insertion hole 101, and the lower end of the rack bar 21 is inserted into the guide hole 103.
The guide hole can laterally support and guide the rack bar.
The rack bar 21 and the external thread joint positioning seat 20 are eccentrically arranged;
the stopper 24 is fixed to the lower protruding end of the rack bar 21 penetrating the guide hole 103.
When the external thread connector is screwed on the external thread connector positioning seat, the external thread connector positioning seat can be prevented from rotating along with the external thread connector through eccentric arrangement,
the stop block can limit the upward displacement of the external thread connector positioning seat.
The inner end of the extrusion block 31 is formed with an arc surface 311.
The outer wall of the outer sheath which is pressed by the arc surface is arc-shaped, so that the outer sheath is attractive in appearance, and the contact area between the outer sheath and the rubber sleeve is uniform.
The middle part of the extrusion block 31 is formed with an oblique through groove 312, and the oblique through groove 312 comprises two outer inclined planes 3121 and an inner inclined plane 3122 which are arranged in parallel;
the driving mechanism 40 includes a driving bar 401 inserted in the oblique through slot 312 and disposed obliquely, a telescopic rod of a telescopic cylinder 402 is fixed at the lower end of the driving bar 401, and the telescopic cylinder 402 is fixed in the base 10.
When the telescopic cylinder drives the driving bar to move upwards, the inner side surface of the driving bar is pressed against the inner inclined surface, and the driving bar pushes the extrusion block to move inwards along with the continuous upward movement of the driving bar, so that the extrusion block moves inwards to extrude the outer sheath;
when the telescopic cylinder drives the driving bar to move downwards, the outer side face of the driving bar is pressed against the outer inclined face, and the driving bar pushes the extrusion block to move outwards along with the continuous downward movement of the driving bar, so that the extrusion block moves outwards and resets.
The upper end of the driving bar 401 is formed with a first guiding supporting bar 4011, and the first guiding supporting bar 4011 is inserted in the guiding through hole 104 of the base 10;
a second support bar 4012 is formed at the lower end of the first driving bar 401, and the second support bar 4012 is fixedly connected with the telescopic cylinder 402.
The first guide support bar can provide support for the driving bar when pushing the extrusion block to move inwards or outwards, so that the load of the telescopic cylinder can be reduced.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.
Claims (7)
1. The utility model provides an external thread joint rubber tube fastener, includes base (10), its characterized in that: the base (10) is formed with a jack (101) with an opening at the upper side, and the jack (101) is internally sleeved with a liftable external thread connector positioning seat (20);
a plurality of radial through grooves (102) which are uniformly distributed on the circumference are formed on the outer wall of the middle part of the jack (101), an extrusion block (31) is sleeved in each radial through groove (102), and a driving mechanism (40) for driving the extrusion block (31) to radially move is arranged in the base (10);
the lower extreme of the external thread joint positioning seat (20) is fixed with a rack bar (21) which is vertically arranged, the lower end of the rack bar (21) is meshed with a gear (22), the gear (22) is fixed on a motor shaft of a servo motor (23), and the servo motor (23) is fixed at the bottom of the jack (101).
2. An external thread joint hose fastening device according to claim 1, wherein: the external thread connector positioning seat (20) is formed with a sleeve hole (201) with an opening at the upper side, and a threaded hole (202) matched with the external thread connector (90) is formed at the bottom of the sleeve hole (201).
3. An external thread joint hose fastening device according to claim 1, wherein: a guide hole (103) which is vertically arranged is formed in the bottom surface of the jack (101), and the lower end of the rack rod (21) is inserted into the guide hole (103).
4. An external thread joint hose fastening device according to claim 1, wherein: the rack rod (21) and the external thread joint positioning seat (20) are eccentrically arranged;
a stop block (24) is fixed at the lower extending end of the rack rod (21) penetrating through the guide hole (103).
5. An external thread joint hose fastening device according to claim 1, wherein: an arc surface (311) is formed at the inner end of the extrusion block (31).
6. An external thread joint hose fastening device according to claim 1, wherein: an inclined through groove (312) is formed in the middle of the extrusion block (31), and the inclined through groove (312) comprises two outer inclined surfaces (3121) and two inner inclined surfaces (3122) which are arranged in parallel;
the driving mechanism (40) comprises a driving bar (401) which is obliquely arranged and is inserted in the oblique through groove (312), the lower end of the driving bar (401) is fixed on a telescopic rod of a telescopic cylinder (402), and the telescopic cylinder (402) is fixed in the base (10).
7. The external thread joint hose fastening device according to claim 6, wherein: the upper end of the driving bar (401) is provided with a first guide supporting bar (4011), and the first guide supporting bar (4011) is inserted and sleeved in a guide through hole (104) of the base (10);
the lower end of the first driving bar (401) is provided with a second supporting bar (4012), and the second supporting bar (4012) is fixedly connected with the telescopic cylinder (402).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321422296.7U CN220242459U (en) | 2023-06-06 | 2023-06-06 | External thread joint rubber tube fastening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321422296.7U CN220242459U (en) | 2023-06-06 | 2023-06-06 | External thread joint rubber tube fastening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220242459U true CN220242459U (en) | 2023-12-26 |
Family
ID=89232121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321422296.7U Active CN220242459U (en) | 2023-06-06 | 2023-06-06 | External thread joint rubber tube fastening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220242459U (en) |
-
2023
- 2023-06-06 CN CN202321422296.7U patent/CN220242459U/en active Active
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