CN215721606U - Electric sliding and tightening connecting device - Google Patents
Electric sliding and tightening connecting device Download PDFInfo
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- CN215721606U CN215721606U CN202121932247.9U CN202121932247U CN215721606U CN 215721606 U CN215721606 U CN 215721606U CN 202121932247 U CN202121932247 U CN 202121932247U CN 215721606 U CN215721606 U CN 215721606U
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Abstract
The utility model discloses an electric sliding and fastening connecting device which comprises a fixed sleeve, a transmission shaft, a driving mechanism, a pipe expanding mechanism and a sliding and fastening mechanism, wherein the fixed sleeve is fixedly arranged on the transmission shaft; the pipe expanding mechanism comprises a limiting ring, a plurality of expanding blocks and an extruding piece, the limiting ring is fixed on the fixing sleeve, and each expanding block is arranged along the circumferential direction of the limiting ring and elastically connected to the limiting ring; the sliding and tightening mechanism comprises a first female fork and a second female fork, the first female fork is connected to the fixed sleeve, and the second female fork is connected to the transmission shaft. The utility model has the beneficial effects that: through actuating mechanism drive transmission shaft removal, when the transmission shaft removed, drive extrusion spare and the female fork of second and remove, through the removal of extrusion spare, make each expansion piece outwards remove to can realize the expand tube function of many calibers, remove to first female fork through making the female fork of second, thereby can realize smooth tight function, thereby can realize the smooth tight function of many calibers expand tube and many calibers simultaneously through this device, improve the portable degree of device.
Description
Technical Field
The utility model relates to the technical field of pipeline connecting devices, in particular to an electric sliding and tightening connecting device.
Background
The civil air-conditioning heating and cold and hot water pipeline system has the caliber ranges of DN16-DN63mm generally and DN16-25mm which are common small-caliber pipelines, and the DN25-DN63mm large-caliber pipeline systems are generally connected by adopting pipeline systems such as PPR pipelines, galvanized steel pipes, aluminum plastic pipes, metal and the like, but the hot melting time of the PPR pipes is not easy to control, the connection quality is influenced, and the galvanized steel pipes are long in time and easy to rust; the large-diameter aluminum-plastic pipe is not easy to connect, and the sealing ring is easy to age.
The cross-linked polyethylene pipe (PEX pipe) has excellent temperature resistance range (-50-110 ℃), is frost-resistant and impact-resistant, and is an ideal connecting pipeline for air-conditioning heating and cold and hot water.
Smooth tight connection is a common mode of pipe connection, and smooth tight connection includes the expand tube instrument and smooth tight pincers, at first needs to use the expand tube instrument to expand the pipe to the pipeline during smooth tight connection, and the smooth tight pincers of reuse slide the lantern ring and slide tightly, consequently, need use two sets of instruments to slide tight connection to lead to smooth tight instrument inconvenient carrying.
SUMMERY OF THE UTILITY MODEL
In view of the above, there is a need to provide an electric sliding connection device to solve the technical problem that the existing sliding connection tool is inconvenient to carry.
An electric sliding and fastening connecting device comprises a fixed sleeve, a transmission shaft, a driving mechanism, a pipe expanding mechanism and a sliding and fastening mechanism;
the transmission shaft is arranged in the fixed sleeve in a sliding manner;
the driving mechanism is connected with the transmission shaft and is used for driving the transmission shaft to move;
the pipe expanding mechanism comprises a limiting ring, a plurality of expanding blocks and an extruding piece, the limiting ring is fixed on the fixing sleeve, each expanding block is arranged along the circumferential direction of the limiting ring and is elastically connected to the limiting ring, the extruding piece is fixed on the transmission shaft, the extruding piece is arranged in the center of each expanding block and is abutted against each expanding block, and the size of the extruding piece is gradually increased along the length direction of the transmission shaft;
the sliding mechanism comprises a first female fork and a second female fork, the first female fork is connected to the fixed sleeve, and the second female fork is connected to the transmission shaft.
Preferably, the driving mechanism comprises a hydraulic cylinder, a piston, a first connecting rod and a hydraulic pump, the hydraulic cylinder is fixed on the fixed sleeve, the piston is connected in an inner cavity of the hydraulic cylinder in a sealing and sliding manner, one end of the first connecting rod is fixedly connected with the piston, the other end of the first connecting rod is fixedly connected with the transmission shaft, and an oil inlet and outlet hole of the hydraulic pump is communicated with the inner cavity of the hydraulic cylinder.
Preferably, the hydraulic cylinder is located within the fixed sleeve.
Preferably, the electric sliding tight connecting device further comprises a handle, the handle is fixed on the fixing sleeve, an accommodating cavity is formed in the handle, and the hydraulic pump is located in the accommodating cavity.
Preferably, a plurality of limiting holes are uniformly formed in the side wall of the limiting ring along the circumferential direction, and the limiting holes extend along the radial direction of the limiting ring; the expand tube mechanism still includes a plurality of slider, the first elastic component of a plurality of and a plurality of second connecting rod, the slider the first elastic component the second connecting rod the expansion piece reaches the same and the one-to-one in quantity in spacing hole, each the slider all slides and sets up in corresponding spacing downthehole, each place in the first elastic component in corresponding spacing downthehole, each the one end of first elastic component all with the inner wall fixed connection in spacing hole, each the other end of first elastic component all with correspond slider fixed connection, each the one end of second connecting rod all with correspond slider fixed connection, each the other end of second connecting rod all with correspond expansion piece fixed connection.
Preferably, the expansion block is detachably connected to the limiting ring, the expansion block comprises a first expansion part and a second expansion part, and the diameters of the first expansion part and the second expansion part are not equal.
Preferably, the first female fork and the second female fork are both rotatably connected with the fixing sleeve.
Preferably, a plurality of first clamping grooves are formed in the fixing sleeve along the circumferential direction, second elastic pieces matched with the first clamping grooves are formed in the first female fork, and the second elastic pieces are clamped in the first clamping grooves.
Preferably, a plurality of second clamping grooves are formed in the transmission shaft along the circumferential direction, third elastic pieces matched with the second clamping grooves are formed in the second female fork, and the third elastic pieces are clamped in the second clamping grooves.
Preferably, the sliding mechanism further comprises a first sub fork and a second sub fork, the first sub fork is detachably connected to the first main fork, and the second sub fork is detachably connected to the second main fork.
Compared with the prior art, the technical scheme provided by the utility model has the beneficial effects that: through actuating mechanism drive transmission shaft removal, when the transmission shaft removed, drive the female fork of extruded article and second and remove, through the removal of extruded article, make each expansion piece outwards remove to can realize the expand tube function, remove to first female fork through making the female fork of second, thereby can realize smooth tight function, thereby can realize the expand tube simultaneously and smooth tight function through this device, be favorable to improving the portable degree of device. The electric sliding and tight connecting device provided by the device is mainly used for sliding and tight connection of a crosslinked polyethylene pipe and also can be used for sliding and tight connection of an aluminum plastic pipe, and the adaptability is strong.
Drawings
FIG. 1 is a schematic perspective view of an embodiment of an electric slide-and-lock connection device provided in the present invention;
FIG. 2 is a right side view of FIG. 1;
FIG. 3 is a cross-sectional view taken along section A-A of FIG. 2;
FIG. 4 is a cross-sectional view taken along section B-B of FIG. 3;
FIG. 5 is a schematic perspective view of the stop collar and the expansion block of FIG. 4;
FIG. 6 is an enlarged partial view of area C of FIG. 3;
FIG. 7 is an enlarged partial view of region D of FIG. 3;
in the figure: 1-a fixed sleeve, 2-a transmission shaft, 3-a driving mechanism, 4-a tube expanding mechanism, 5-a sliding mechanism, 6-a handle, 11-a first clamping groove, 21-a second clamping groove, 31-a hydraulic cylinder, 32-a piston, 33-a first connecting rod, 41-a limiting ring, 411-a limiting hole, 42-an expansion block, 421-a first expansion part, 422-a second expansion part, 43-an extrusion part, 44-a sliding block, 45-a first elastic part, 46-a second connecting rod, 51-a first female fork, 511-a second elastic part, 52-a second female fork, 521-a third elastic part, 53-a first sub fork, 54-a second sub fork and 61-a control button.
Detailed Description
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate preferred embodiments of the utility model and together with the description, serve to explain the principles of the utility model and not to limit the scope of the utility model.
Referring to fig. 1-3, the present invention provides an electric sliding connection device, which includes a fixed sleeve 1, a transmission shaft 2, a driving mechanism 3, a tube expansion mechanism 4 and a sliding mechanism 5.
Referring to fig. 3, the transmission shaft 2 is slidably disposed in the fixing sleeve 1. The driving mechanism 3 is connected with the transmission shaft 2 and is used for driving the transmission shaft 2 to move.
Referring to fig. 3, the tube expanding mechanism 4 includes a limiting ring 41, a plurality of expanding blocks 42 and an extruding member 43, the limiting ring 41 is fixed on the fixing sleeve 1, each expanding block 42 is arranged along the circumferential direction of the limiting ring 41 and elastically connected to the limiting ring 41, the extruding member 43 is fixed on the transmission shaft 2, the extruding member 43 is arranged at the center of each expanding block 42 and is abutted against each expanding block 42, and the size of the extruding member 43 is gradually increased along the length direction of the transmission shaft 2.
Referring to fig. 3, the sliding mechanism 5 includes a first female fork 51 and a second female fork 52, the first female fork 51 is connected to the fixing sleeve 1, and the second female fork 52 is connected to the transmission shaft 2.
When in use, the pipe fittings are connected in a sliding and tight mode according to the following steps:
(1) shearing the pipe, shearing the pipe by using a pipe shearing shear, ensuring that a fracture is vertical to the axis of the pipe, and removing burrs;
(2) sleeving a lantern ring on the pipe;
(3) extending each expansion block 42 into the cut end of the pipe, and driving the transmission shaft 2 to move through the driving mechanism 3, so that the extrusion piece 43 moves along with the transmission shaft 2, and when the extrusion piece 43 moves, the extrusion piece 43 pushes away each expansion block 42, so that the pipe is expanded through each expansion block 42;
(4) the pipe fitting main body is inserted into the pipe fitting, the first female fork 51 is fastened on the lantern ring, the second female fork 52 is fastened on the pipe fitting main body, and the driving mechanism 3 drives the transmission shaft 2 to move, so that the second female fork 52 moves towards the first female fork 51, the lantern ring slides tightly on the expanded pipe fitting, and connection is completed.
According to the utility model, the driving mechanism 3 drives the transmission shaft 2 to move, the transmission shaft 2 drives the extrusion piece 43 and the second female fork 52 to move when moving, each expansion block 42 is moved outwards through the movement of the extrusion piece 43, so that the pipe expanding function can be realized, and the second female fork 52 is moved towards the first female fork 51, so that the sliding and tightening function can be realized, so that the pipe expanding and sliding and tightening functions can be realized simultaneously through the device, and the portability of the device is improved.
To realize the function of the driving mechanism 3, referring to fig. 1 and 3, in a preferred embodiment, the driving mechanism 3 includes a hydraulic cylinder 31, a piston 32, a first connecting rod 33, and a hydraulic pump (not shown), the hydraulic cylinder 31 is fixed on the fixed sleeve 1, the piston 32 is connected in a sealing and sliding manner in an inner cavity of the hydraulic cylinder 31, one end of the first connecting rod 33 is fixedly connected with the piston 32, the other end of the first connecting rod 33 is fixedly connected with the transmission shaft 2, and an oil inlet and an oil outlet of the hydraulic pump are communicated with the inner cavity of the hydraulic cylinder 31. When the hydraulic pump is used, the hydraulic pump can inject hydraulic oil into the hydraulic cylinder 31 or suck the hydraulic oil in the hydraulic cylinder 31, when the hydraulic pump injects the hydraulic oil into the hydraulic cylinder 31, the piston 32 moves leftwards, so that the transmission shaft 2 moves leftwards, and when the hydraulic pump sucks the hydraulic oil in the hydraulic cylinder 31, the piston 32 moves rightwards.
In order to increase the compactness of the device, please refer to fig. 1 and 3, in a preferred embodiment, the hydraulic cylinder 31 is located in the fixed sleeve 1, it should be understood that the fixed sleeve 1 is provided with a relief hole so that the hydraulic cylinder 31 can be fixedly connected with the fixed sleeve 1.
For the convenience of operation, referring to fig. 1 and fig. 3, in a preferred embodiment, the electric sliding and fastening connection device further includes a handle 6, the handle 6 is fixed on the fixed sleeve 1, an accommodating cavity is formed in the handle 6, the hydraulic pump is located in the accommodating cavity, and for the convenience of controlling the opening of the hydraulic pump, a control button 61 is arranged on the handle 6, when the control button 61 is pressed, the hydraulic pump firstly sucks out hydraulic oil in the hydraulic cylinder 31, so that the transmission shaft 2 moves rightwards, and then, after the hydraulic pump detects that the hydraulic oil is in place through the pressure sensor, the hydraulic pump automatically injects hydraulic oil into the hydraulic cylinder 31, so that the transmission shaft 2 moves leftwards.
In order to realize the elastic connection between each expansion block 42 and the limiting ring 41, referring to fig. 3-5, in a preferred embodiment, a plurality of limiting holes 411 are uniformly formed on the sidewall of the limiting ring 41 along the circumferential direction, and the limiting holes 411 extend along the radial direction of the limiting ring 41; the tube expanding mechanism 4 further comprises a plurality of sliding blocks 44, a plurality of first elastic pieces 45 and a plurality of second connecting rods 46, the sliding blocks 44, the first elastic pieces 45, the second connecting rods 46, the expanding blocks 42 and the limiting holes 411 are identical in number and correspond to one another one by one, the sliding blocks 44 are arranged in the corresponding limiting holes 411 in a sliding mode, the first elastic pieces 45 are arranged in the corresponding limiting holes 411, one ends of the first elastic pieces 45 are fixedly connected with the inner walls of the limiting holes 411, the other ends of the first elastic pieces 45 are fixedly connected with the corresponding sliding blocks 44, one ends of the second connecting rods 46 are fixedly connected with the corresponding sliding blocks 44, and the other ends of the second connecting rods 46 are fixedly connected with the corresponding expanding blocks 42.
In order to facilitate the device to be suitable for expanding pipes of pipes with different pipe diameters, please refer to fig. 1 and 5, in a preferred embodiment, the expansion block 42 is detachably connected to the limiting ring 41, the expansion block 42 includes a first expansion portion 421 and a second expansion portion 422, the diameters of the first expansion portion 421 and the second expansion portion 422 are not equal, so that one set of expansion blocks 42 can be adapted to expanding pipes of pipes with two different pipe diameters, and meanwhile, because the expansion block 42 is detachably connected to the limiting ring 41, the expansion blocks 42 with different sizes can be replaced to be suitable for expanding pipes with different pipe diameters.
For convenience of construction, referring to fig. 1 and 3, in a preferred embodiment, the first female fork 51 and the second female fork 52 are rotatably connected to the fixing sleeve 1, so that the first female fork 51 and the second female fork 52 can be rotated to a proper orientation for construction in a limited environment.
In order to position the first female fork 51, referring to fig. 1, 3 and 6, in a preferred embodiment, the fixing sleeve 1 is circumferentially provided with a plurality of first slots 11, the first female fork 51 is provided with a second elastic member 511 matching with the first slots 11, the second elastic member 511 is configured to be clamped in the first slots 11, and the second elastic member 511 is clamped in different first slots 11, so that the rotational direction of the first female fork 51 can be positioned.
In order to position the second female fork 52, referring to fig. 1, 3 and 7, in a preferred embodiment, a plurality of second locking grooves 21 are circumferentially formed on the transmission shaft 2, a third elastic member 521 matched with the second locking grooves 21 is formed on the second female fork 52, the third elastic member 521 is configured to be clamped in the second locking grooves 21, and the third elastic member 521 is clamped in different second locking grooves 21, so that the rotational direction of the second female fork 52 can be positioned.
In order to facilitate the device to be suitable for sliding and tightening pipes with different pipe diameters, referring to fig. 1 and fig. 3, in a preferred embodiment, the sliding and tightening mechanism 5 further includes a first sub fork 53 and a second sub fork 54, the first sub fork 53 is detachably connected to the first main fork 51, the second sub fork 54 is detachably connected to the second main fork 52, and the first sub fork 53 and the second sub fork 54 may have various sizes so as to be suitable for sliding and tightening pipes with different pipe diameters.
For better understanding of the present invention, the following describes the operation of the electric slide-fit connection device provided by the present invention in detail with reference to fig. 1 to 7:
(1) shearing the pipe, shearing the pipe by using a pipe shearing shear, ensuring that a fracture is vertical to the axis of the pipe, and removing burrs;
(2) sleeving a lantern ring on the pipe;
(3) extending each expansion block 42 into the cut end of the pipe, then pressing a control button 61 to drive the transmission shaft 2 to move through the driving mechanism 3, so that the extrusion piece 43 moves along with the transmission shaft 2, and when the extrusion piece 43 moves, the extrusion piece 43 pushes each expansion block 42 away, so that the pipe is expanded through each expansion block 42;
(4) inserting the pipe fitting main body into the pipe fitting, fastening the first female fork 51 on the sleeve ring, fastening the second female fork 52 on the pipe fitting main body, and pressing the control button 61 to drive the transmission shaft 2 to move through the driving mechanism 3, so that the second female fork 52 moves towards the first female fork 51, and the sleeve ring slides tightly on the expanded pipe fitting to complete connection.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention.
Claims (10)
1. An electric sliding and fastening connecting device is characterized by comprising a fixed sleeve, a transmission shaft, a driving mechanism, a pipe expanding mechanism and a sliding and fastening mechanism;
the transmission shaft is arranged in the fixed sleeve in a sliding manner;
the driving mechanism is connected with the transmission shaft and is used for driving the transmission shaft to move;
the pipe expanding mechanism comprises a limiting ring, a plurality of expanding blocks and an extruding piece, the limiting ring is fixed on the fixing sleeve, each expanding block is arranged along the circumferential direction of the limiting ring and is elastically connected to the limiting ring, the extruding piece is fixed on the transmission shaft, the extruding piece is arranged in the center of each expanding block and is abutted against each expanding block, and the size of the extruding piece is gradually increased along the length direction of the transmission shaft;
the sliding mechanism comprises a first female fork and a second female fork, the first female fork is connected to the fixed sleeve, and the second female fork is connected to the transmission shaft.
2. The electric connecting device of claim 1, wherein the driving mechanism comprises a hydraulic cylinder, a piston, a first connecting rod and a hydraulic pump, the hydraulic cylinder is fixed on the fixed sleeve, the piston is connected in the inner cavity of the hydraulic cylinder in a sealing and sliding manner, one end of the first connecting rod is fixedly connected with the piston, the other end of the first connecting rod is fixedly connected with the transmission shaft, and an oil inlet and outlet hole of the hydraulic pump is communicated with the inner cavity of the hydraulic cylinder.
3. The electric slip and connect apparatus of claim 2 wherein said hydraulic cylinder is located within said stationary sleeve.
4. The electric slip and lock joint apparatus according to claim 2, further comprising a handle fixed to the stationary sleeve, wherein a receiving chamber is formed in the handle, and the hydraulic pump is located in the receiving chamber.
5. The electric sliding-tight connection device according to claim 1, wherein a plurality of limiting holes are uniformly arranged on the side wall of the limiting ring along the circumferential direction, and the limiting holes extend along the radial direction of the limiting ring;
the expand tube mechanism still includes a plurality of slider, the first elastic component of a plurality of and a plurality of second connecting rod, the slider the first elastic component the second connecting rod the expansion piece reaches the same and the one-to-one in quantity in spacing hole, each the slider all slides and sets up in corresponding spacing downthehole, each place in the first elastic component in corresponding spacing downthehole, each the one end of first elastic component all with the inner wall fixed connection in spacing hole, each the other end of first elastic component all with correspond slider fixed connection, each the one end of second connecting rod all with correspond slider fixed connection, each the other end of second connecting rod all with correspond expansion piece fixed connection.
6. The device of claim 1, wherein the expansion block is detachably connected to the retaining ring, the expansion block comprises a first expansion portion and a second expansion portion, and the first expansion portion and the second expansion portion have different diameters.
7. The device of claim 1 wherein said first female prong and said second female prong are rotatably connected to said harness.
8. The electric sliding and fastening connecting device according to claim 7, wherein a plurality of first engaging grooves are circumferentially formed on the fixing sleeve, a second elastic member is formed on the first female fork and engaged with the first engaging grooves, and the second elastic member is engaged with the first engaging grooves.
9. The electric sliding-fastening connecting device according to claim 7, wherein the transmission shaft is circumferentially provided with a plurality of second locking grooves, the second female fork is provided with a third elastic member matching with the second locking grooves, and the third elastic member is clamped in the second locking grooves.
10. The device of claim 1, wherein the cinch mechanism further comprises a first secondary prong and a second secondary prong, the first secondary prong being removably coupled to the first female prong, the second secondary prong being removably coupled to the second female prong.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121932247.9U CN215721606U (en) | 2021-08-17 | 2021-08-17 | Electric sliding and tightening connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121932247.9U CN215721606U (en) | 2021-08-17 | 2021-08-17 | Electric sliding and tightening connecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215721606U true CN215721606U (en) | 2022-02-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121932247.9U Active CN215721606U (en) | 2021-08-17 | 2021-08-17 | Electric sliding and tightening connecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215721606U (en) |
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2021
- 2021-08-17 CN CN202121932247.9U patent/CN215721606U/en active Active
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