CN210135146U - Frame and tubular product connecting device - Google Patents

Frame and tubular product connecting device Download PDF

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Publication number
CN210135146U
CN210135146U CN201920593636.XU CN201920593636U CN210135146U CN 210135146 U CN210135146 U CN 210135146U CN 201920593636 U CN201920593636 U CN 201920593636U CN 210135146 U CN210135146 U CN 210135146U
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block
pipe
fixed
tensioning
fixing block
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CN201920593636.XU
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Chinese (zh)
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黎京继
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GUANGDONG PIANO SCIENCE ART HOME Co Ltd
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GUANGDONG PIANO SCIENCE ART HOME Co Ltd
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Abstract

The utility model relates to a frame and tubular product connecting device. The pipe connecting device comprises a base, wherein at least two connecting units used for being inserted into inner holes of pipes are arranged on the base, each connecting unit comprises a fixed block, a tensioning block and a tensioning shaft, the tensioning blocks are clamped and fixed on the fixed blocks through clamping groove structures, the tensioning shafts are rotatably assembled inside the fixed blocks and the tensioning blocks, cam structures are arranged on the tensioning shafts, and the cam structures are provided with locking positions and unlocking positions in the rotating process; when the pipe is located at the locking position, the cam structure can prop against the inner wall of the fixing block and/or the locking block so as to enable the fixing block and the locking block to expand outwards and be tightly pressed and fixed on the inner wall of the pipe; when the pipe connecting unit is located at the unlocking position, the cam structure can release the supporting action on the fixing block and/or the locking block so as to realize the separation of the connecting unit and the pipe. Through adopting the utility model discloses a tubular product connecting device has avoided because the frame that the drilling precision is uncontrollable and lead to is irregular and the low problem of qualification rate.

Description

Frame and tubular product connecting device
Technical Field
The utility model relates to a technical field is connected to the tubular product, especially relates to a frame and tubular product connecting device.
Background
Frame construction is common structural style among the daily life, frame construction is common in building construction, home decoration etc. field, frame construction is pieced together by tubular product usually and is formed, the butt joint of tubular product need usually be with the help of angle sign indicating number and threaded fastener (screw bolt and nut) among the prior art, before the connection, need drill the through-hole that supplies the bolt to pass on tubular product, but this kind of connected mode is because the through-hole is drilled the uncontrollable of getting position and angle, often can cause the not easy lapped problem of tubular product, this qualification rate that has reduced frame construction processing.
SUMMERY OF THE UTILITY MODEL
The utility model provides a tubular product connecting device for when adopting angle sign indicating number overlap joint frame among the solution prior art, the technical problem that frame construction's processingquality can't be guaranteed.
The utility model discloses a tubular product connecting device adopts following technical scheme:
the pipe connecting device comprises a base, wherein at least two connecting units used for being inserted into inner holes of pipes are arranged on the base, each connecting unit comprises a fixed block, a tensioning block and a tensioning shaft, the tensioning blocks are fixedly clamped on the fixed blocks through clamping groove structures, the tensioning shafts are rotatably assembled inside the fixed blocks and the tensioning blocks, cam structures are arranged on the tensioning shafts, the cam structures are provided with locking positions for jacking the inner walls of the fixed blocks and/or the locking blocks in the rotating process so that the fixed blocks and the locking blocks are expanded outwards and tightly fixed on the inner walls of the pipes, and unlocking positions for relieving jacking effects on the fixed blocks and/or the locking blocks so as to realize separation of the connecting units and the pipes are further provided.
Has the advantages that: through adopting the utility model discloses a tubular product connecting device during the connection through inserting each linkage unit respectively corresponding tubular product hole, then through rotatory tightening shaft and with the cam structure switch locking position can realize the fixed to tubular product. The utility model discloses a tubular product connecting device convenient operation, convenient to detach has also avoided the condition that needs drill on tubular product among the prior art to avoided because the drilling precision is uncontrollable and the frame that leads to is irregular and the low problem of qualification rate. Furthermore, the utility model discloses a tubular product connecting device can also play the effect of correcting tubular product length deviation, and the tubular product length that corresponds the edge when the frame is all when the deviation, can compensate this kind of deviation through the different degree of depth of inserting with the linkage unit who corresponds, so adopts the utility model discloses a tubular product connecting device pieces together fashioned frame more squarely, and the shaping quality of frame is guaranteed to some extent.
Furthermore, a slot for inserting the adjusting shaft is formed in the fixing block, and the tensioning block is clamped and fixed on the outer side of the fixing block from one side of a notch of the slot. The beneficial effects are as follows: the installation of the tightening shaft and the tensioning block is facilitated, and the tightening shaft is surrounded by the fixing block or the tensioning block by the structural design, so that the tightening shaft is well limited.
Furthermore, the tensioning block comprises a first clamping groove portion and a first inserting portion, a second clamping groove portion is arranged on the fixing block, when the tensioning block is fixedly clamped on the fixing block, the first clamping groove portion is fixedly clamped on the outer side of the second clamping groove portion, and the first inserting portion is transversely inserted into the slot. The beneficial effects are as follows: the slot walls of the first inserting portion and the slot can be blocked mutually, the first slot portion and the second slot portion can be clamped mutually, the fastening of the tension block and the fixing block is more compact by adopting the structural design, the limiting in multiple directions of the tension block and the fixing block can be achieved, the stability of the whole structure of the connecting unit is improved, and the fixing effect is enhanced.
Furthermore, one end of the connecting unit, which is used for being inserted into the inner hole of the pipe, is in a conical shape. The beneficial effects are as follows: the connecting unit can be conveniently inserted into the inner hole of the pipe.
Further, the end of the connecting unit is provided with a rotation guide structure for guiding the turning of the tightening shaft. The beneficial effects are as follows: the rotary guide structure plays a role in guiding the rotation of the tightening shaft, so that the locking position and the unlocking position of the cam structure are easy to distinguish, and the problem that the unlocking position and the locking position are easy to confuse during installation is avoided.
Further, the rotation guide structure comprises a protrusion arranged on the tightening shaft and a guide groove arranged on the fixing block and/or the locking block. The beneficial effects are as follows: simple structure and convenient arrangement.
Further, a connecting structure used for connecting a tool to drive the tightening shaft to rotate is further arranged on the tightening shaft. The beneficial effects are as follows: the rotation drive of the tightening shaft is facilitated.
Further, the pipe connecting device also comprises a sealing cover which is arranged on the base and used for hiding the outer end of the tightening shaft. The beneficial effects are as follows: the tightening shaft is prevented from directly exposing in the air, and the effect of protecting the internal structure of the pipe connecting device is achieved.
Furthermore, the base is provided with four connecting units, the four connecting units are arranged in a rectangular coordinate system, and the four connecting units are respectively arranged along the X-axis direction, the Y-axis direction, the Z-axis positive direction and the Z-axis negative direction. The beneficial effects are as follows: the four-way function is realized, and the connection of the middle layer of the frame is facilitated.
The utility model discloses a frame adopts following technical scheme:
the frame includes tubular product and tubular product connecting device, tubular product connecting device includes the base, be provided with two at least linkage units that are arranged in inserting the tubular product hole on the base, linkage unit includes fixed block, tight piece and the accent tight axle that rises, the tight piece that rises is fixed on the fixed block through the chucking of draw-in groove structure, the accent tight axle rotates the inside of assembling at fixed block and tight piece that rises, be provided with cam structure on the accent tight axle, cam structure has the shore fixed block and/or latch segment inner wall at the rotation in-process to make fixed block and latch segment rise outward and compress tightly the locking position of fixing on the tubular product inner wall, still has the release position of releasing the shore effect to fixed block and/or latch segment, in order to realize linkage unit and tubular product separation.
Has the advantages that: through adopting the utility model discloses a tubular product connecting device during the connection through inserting each linkage unit respectively corresponding tubular product hole, then through rotatory tightening shaft and with the cam structure switch locking position can realize the fixed to tubular product. The utility model discloses a tubular product connecting device convenient operation, convenient to detach has also avoided the condition that needs drill on tubular product among the prior art to avoided because the drilling precision is uncontrollable and the frame that leads to is irregular and the low problem of qualification rate. Furthermore, the utility model discloses a tubular product connecting device can also play the effect of correcting tubular product length deviation, and the tubular product length that corresponds the edge when the frame is all when the deviation, can compensate this kind of deviation through the different degree of depth of inserting with the linkage unit who corresponds, so adopts the utility model discloses a tubular product connecting device pieces together fashioned frame more squarely, and the shaping quality of frame is guaranteed to some extent.
Furthermore, a slot for inserting the adjusting shaft is formed in the fixing block, and the tensioning block is clamped and fixed on the outer side of the fixing block from one side of a notch of the slot. The beneficial effects are as follows: the installation of the tightening shaft and the tensioning block is facilitated, and the tightening shaft is surrounded by the fixing block or the tensioning block by the structural design, so that the tightening shaft is well limited.
Furthermore, the tensioning block comprises a first clamping groove portion and a first inserting portion, a second clamping groove portion is arranged on the fixing block, when the tensioning block is fixedly clamped on the fixing block, the first clamping groove portion is fixedly clamped on the outer side of the second clamping groove portion, and the first inserting portion is transversely inserted into the slot. The beneficial effects are as follows: the slot walls of the first inserting portion and the slot can be blocked mutually, the first slot portion and the second slot portion can be clamped mutually, the fastening of the tension block and the fixing block is more compact by adopting the structural design, the limiting in multiple directions of the tension block and the fixing block can be achieved, the stability of the whole structure of the connecting unit is improved, and the fixing effect is enhanced.
Furthermore, one end of the connecting unit, which is used for being inserted into the inner hole of the pipe, is in a conical shape. The beneficial effects are as follows: the connecting unit can be conveniently inserted into the inner hole of the pipe.
Further, the end of the connecting unit is provided with a rotation guide structure for guiding the turning of the tightening shaft. The beneficial effects are as follows: the rotary guide structure plays a role in guiding the rotation of the tightening shaft, so that the locking position and the unlocking position of the cam structure are easy to distinguish, and the problem that the unlocking position and the locking position are easy to confuse during installation is avoided.
Further, the rotation guide structure comprises a protrusion arranged on the tightening shaft and a guide groove arranged on the fixing block and/or the locking block. The beneficial effects are as follows: simple structure and convenient arrangement.
Further, a connecting structure used for connecting a tool to drive the tightening shaft to rotate is further arranged on the tightening shaft. The beneficial effects are as follows: the rotation drive of the tightening shaft is facilitated.
Further, the pipe connecting device also comprises a sealing cover which is arranged on the base and used for hiding the outer end of the tightening shaft. The beneficial effects are as follows: the tightening shaft is prevented from directly exposing in the air, and the effect of protecting the internal structure of the pipe connecting device is achieved.
Furthermore, the base is provided with four connecting units, the four connecting units are arranged in a rectangular coordinate system, and the four connecting units are respectively arranged along the X-axis direction, the Y-axis direction, the Z-axis positive direction and the Z-axis negative direction. The beneficial effects are as follows: the four-way function is realized, and the connection of the middle layer of the frame is facilitated.
Drawings
Fig. 1 is a schematic view of the overall structure of embodiment 1 of the framework of the present invention;
fig. 2 is an exploded view of the overall structure of example 1 of the framework of the present invention;
fig. 3 is a schematic view of the overall structure of the base and the fixing block of the pipe connecting device according to embodiment 1 of the present invention;
fig. 4 is a schematic view of the entire structure of the tightening shaft of the pipe connecting device according to embodiment 1 of the present invention;
fig. 5 is a schematic view of the overall structure of the tension block of the pipe connecting device according to embodiment 1 of the present invention;
fig. 6 is a schematic view of the overall structure of the cover of the pipe connecting device according to embodiment 1 of the framework of the present invention;
fig. 7 is a first schematic view of the installation process of the pipe connecting device according to embodiment 1 of the framework of the present invention;
fig. 8 is a second schematic view of the installation process of the pipe connecting device according to embodiment 1 of the framework of the present invention;
fig. 9 is a third schematic view of the installation process of the pipe connecting device according to embodiment 1 of the framework of the present invention;
fig. 10 is a schematic view of the cam unlocked state of the tube connecting device of embodiment 1 of the framework of the present invention;
fig. 11 is a cam lock state diagram of the pipe connecting device according to embodiment 1 of the present invention.
The reference numerals are explained below:
1-pipe, 2-pipe connecting device, 3-base, 301-limiting groove, 4-fixing block, 401-second clamping groove part, 402-second inserting part, 403-slot, 404-clamping surface, 5-frustum, 6-tightening shaft, 601-cam structure, 602-connecting structure, 603-bulge, 7-tensioning block, 701-first clamping groove part, 702-first inserting part, 703-guiding groove, 704-curved clamping block, 705-top pressing surface, 8-sealing cover, 801-limiting block,
Detailed Description
For better illustration of the objects, technical solutions and advantages of the present invention, the following detailed description of the embodiments of the present invention will be described with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
The utility model discloses embodiment 1 of frame:
as shown in fig. 1 to 11, the frame in this embodiment is a double-frame structure, and the frame includes pipes 1 forming each edge of the frame and pipe connection devices 2 disposed at each corner of the frame. Because the pipe connecting device 2 in the middle layer needs to be connected with four pipes 1, the four-way pipe connecting device is adopted at the edge of the middle layer of the frame, the three pipes 1 need to be connected with the pipe connecting devices in the upper layer and the lower layer, and the three-way pipe connecting device is adopted at the edge of the upper layer and the lower layer. Each tube 1 in this embodiment is a square tube.
In this embodiment, the pipe connecting device 2 includes a base 3, at least two connecting units for inserting into the inner hole of the pipe 1 are disposed on the base 3, and four connecting units are disposed on the four-way pipe connecting device, taking the four-way pipe connecting device as an example. The four connecting units are arranged in a rectangular coordinate system, one of the four connecting units is arranged along the X-axis direction, the other connecting unit is arranged along the Y-axis direction, and the rest two connecting units are respectively arranged along the positive direction and the negative direction of the Z axis. The connecting unit comprises a fixing block 4, a tensioning block 7 and a tensioning shaft 6, the fixing block 4 and the tensioning block 7 are fixedly clamped together, and the tensioning shaft 6 is rotatably assembled inside the fixing block 4 and the tensioning block 7. The fixing block 4 of each connecting unit in this embodiment is integrally provided on the base 3.
In this embodiment, the base 3 is composed of five columns, the base 3 comprises an upper layer and a lower layer which are symmetrically arranged, the upper layer and the lower layer are spliced into a right angle shape by two columns, and a residual column is vertically connected between the upper layer and the lower layer. In this embodiment, two of the fixing blocks 4 of the four connecting units are connected to the outer sides of the upper and lower layers of the base 3, respectively, and the other two are disposed between the upper and lower layers, respectively.
In this embodiment, the tensioning block 7 is clamped and fixed on the corresponding fixing block 4 through a clamping groove structure, and the clamping groove structure includes a first clamping groove portion 701 arranged on the tensioning block 7 and a second clamping groove portion 401 arranged on the fixing block 4. In this embodiment, only one clamping groove structure is arranged between the tensioning block 7 and the fixing block 4, and the tensioning block 7 is tightly fixed on the outer side of the fixing block 4. In this embodiment, the first clamping groove portion 701 is two elastic arms disposed on the tension block 7, the two elastic arms are disposed oppositely, the inner sides of the elastic arms facing each other are provided with curved clamping blocks 704, the second slot portion is a clamping groove disposed on the outer peripheral side of the fixed block 4, the bottom of the clamping groove is provided with two clamping surfaces 404, when the first clamping groove portion 701 is clamped and fixed on the second clamping groove portion 401, the curved clamping blocks 704 of the two elastic arms and the corresponding clamping surfaces 404 are blocked, the whole structure is similar to a barb structure, and thus the clamping and fixing of the tension block 7 and the fixed block 4 are realized.
In this embodiment, a slot 403 into which the tightening shaft 6 is transversely inserted is formed in the fixed block 4, an inner slot wall of the slot 403 is adapted to an outer contour of the tightening shaft 6, the fixed block 4 further includes a second insertion portion 402, and the outer contour of the second insertion portion 402 is rectangular and is adapted to an inner hole of a pipe. The tensioning block 7 is provided with a first inserting portion 702, the first inserting portion 702 is integrally strip-shaped, the width of the first inserting portion 702 is slightly smaller than the width of a notch of the jack on the fixing block 4, when the tensioning block 7 is tightly fixed on the fixing block 4, the first inserting portion 702 can be transversely inserted into the slot 403 corresponding to the second inserting portion 402, so that the degree of freedom after the tensioning block 7 and the fixing block 4 are tightly fixed can be restrained, and the fixing strength of the tensioning block 7 and the fixing block 4 is enhanced.
In this embodiment, the tightening shaft 6 is provided with a cam structure 601, the cam structure 601 is a cylinder with a cross section being a cam, the length of the tightening shaft 6 is the same as the length of the slot 403, and after the tightening shaft 6 is inserted into the slot 403, the cam structure 601 corresponds to the second slot 401 of the fixing block 4. Since the cam structure 601 is slightly larger than the whole size of the tightening shaft 6, in order to achieve the assembly of the cam structure 601, the size of the portion of the fixing block 4 corresponding to the slot 403 of the cam structure 601 is correspondingly larger than the size of the portion of the slot 403 corresponding to the second inserting part 402.
In the embodiment, the cam structure 601 has a locking position and an unlocking position in the process of rotating along with the adjusting shaft 6, when the cam structure 601 is in the locking position, the cam structure 601 can support the inner wall of the fixing block 4 and/or the locking block so as to enable the fixing block 4 and the locking block to expand outwards and be tightly pressed and fixed on the inner wall of the pipe 1; when the cam structure 601 is in the unlocking position, the cam structure 601 releases the supporting function of the fixing block 4 and/or the locking block to realize the separation of the connecting unit and the pipe 1.
In this embodiment, the inner side of the first clamping groove part 701 is provided with a pressing surface 705, the pressing surface 705 is a curved surface, when the tensioning block 7 is tightly clamped and fixed on the fixing block 4, the distance between the pressing surface 705 and the bottom of the slot 403 is smaller than the inner walls of the two sides of the slot 403, so that when the cam structure 601 protrudes and rotates to the pressing surface 705, the cam structure 601 pushes the pressing surface 705 outwards, at this time, the two elastic arms are also extruded outwards under the guidance of the clamping surface 404, thereby realizing the expansion of the connecting unit, and the internal expansion force directly acts on the inner wall of the pipe 1, thereby realizing the fixation of the connecting unit and the pipe 1, as shown in fig. 10. When the connection unit and the pipe 1 need to be released from the fixing, the tightening shaft 6 is rotated, the protrusion of the cam structure 601 faces the two inner walls of the slot 403 at this time, and the pushing action does not occur between the protrusion of the cam structure 601 and the inner walls of the slot 403, so that the expansion of the connection unit is released, and the connection unit can be pulled out from the inner hole of the pipe 1, as shown in fig. 11.
The end of the connecting unit in this embodiment is further provided with a rotation guide structure, and since the rotation process of the cam structure 601 cannot be seen from the outside, it is impossible to intuitively judge whether the cam is rotated to the position and the fixing effect. The rotation guide structure can guide the rotation of the cam, so that an operator can visually see the position of the cam structure 601 conveniently. In this embodiment, the rotation guiding structure includes a protrusion 603 disposed on the tightening shaft 6 and a guiding groove 703 disposed on the tightening block 7, when the cam structure 601 is switched from the unlocking position to the locking position, the protrusion 603 slides from the beginning to the end of the guiding groove 703, and when the cam structure 601 is switched from the locking position to the unlocking position, the protrusion 603 returns to the beginning along the guiding groove 703. Thus, the fixing effect of the tensioning block 7 and the fixing block 4 can be judged by observing the position of the protrusion 603 in the guide groove 703.
In order to facilitate the rotation of the tightening shaft 6 in this embodiment, the tightening shaft 6 is further provided with a connecting structure 602, in this embodiment, the connecting structure 602 is specifically an inner hexagonal hole formed in the end of the tightening shaft 6, the inner hexagonal hole is convenient to butt the wrench, and therefore the rotation driving of the tightening shaft 6 is facilitated.
In this embodiment, in order to facilitate the insertion of the connection units into the inner hole of the tube 1, the end portions of the connection units are all tapered, and the side with the smaller size is located on the outer side. The tip of concrete each coupling unit all is provided with frustum 5, and frustum 5 is four pyramid frustum, and frustum 5 includes two parts in this embodiment, and one of them part sets up on fixed block 4, and another part sets up on tensioning block 7, and after tensioning block 7 and the fixed block 4 chucking are fixed, two parts can be pieced together and become complete frustum 5.
Tubular product connecting device 2 still includes closing cap 8 in this embodiment, and closing cap 8 passes through the limit structure chucking and fixes on base 3, and limit structure includes stopper 801 and spacing groove 301, and stopper 801 sets up on closing cap 8 in this embodiment, and spacing groove 301 sets up on base 3, and when closing cap 8 chucking was fixed on base 3, stopper 801 can insert spacing groove 301 in to the realization is to closing cap 8's fixed. As shown in fig. 6, the sealing cover 8 in this embodiment includes two square plates, and two limiting blocks 801 are respectively disposed at corresponding corner positions of the two square plates.
The structure of the three-way pipe connecting device is basically the same as that of the four-way pipe connecting device, and the main difference between the three-way pipe connecting device and the four-way pipe connecting device is that only three connecting units which respectively face to the X-axis direction, the Y-axis direction and the Z-axis direction are arranged on a base 3 of the three-way pipe connecting device. The specific structure of the three-way pipe connecting device is not described in detail in the embodiment.
When the frame of this embodiment is in the piece together, at first transversely insert each tightening shaft 6 in the slot 403 that corresponds, then fix each tight piece 7 chucking on corresponding fixed block 4 that rises, then insert each the connection element of each tubular product connecting device 2 in the tubular product 1 hole that corresponds, then rotate tightening shaft 6 through the spanner to it can realize the concatenation of tubular product 1 to rotate each tightening shaft 6 to locking position and fix, at last when the whole piece together of frame is accomplished the back, install closing cap 8 on each tubular product connecting device 2 can. When the frame needs to be transported or recovered, the tightening shafts 6 are rotated by a wrench, and the tightening shafts 6 are rotated to unlocking positions, so that the pipes 1 and the pipe connecting devices 2 are disassembled.
The utility model discloses embodiment 2 of frame, with embodiment 1's difference technical characterstic in that: the number of the connecting units on the base and the arrangement direction and direction can be adjusted properly, for example, when the frame is a plane, only two vertical connecting units can be arranged on the base; when the frame is triangular pyramid, three connecting units can be arranged on the base, and the included angle formed by any two of the three connecting units is 60 degrees.
The utility model discloses embodiment 3 of frame, technical characterstic lies in with the difference of embodiment 1: the fixed block can be fixed in the outside of tight piece that rises by the chucking, is provided with first draw-in groove portion on the fixed block promptly, and rises to be provided with the second draw-in groove portion on the piece.
The utility model discloses embodiment 4 of frame, technical characterstic lies in with the difference of embodiment 1: the fixed block can be provided with a plurality of second draw-in groove portions, the tight piece that rises can be provided with a plurality of first draw-in groove portions with second draw-in groove portion one-to-one, and the epaxial a plurality of cam structures that also correspond of tightening.
The utility model discloses embodiment 5 of frame, with embodiment 1's difference technical characterstic in that: the fixed blocks are detachably mounted on the base, and for example, each fixed block is fixed on the base through a screw.
In other embodiments: the fixed block and the tensioning block can be cylindrical or other prismatic shapes; the pipe can be a round pipe; the frustum at the end of the connecting unit can be a circular truncated cone.
The utility model discloses embodiment of tubular product connecting device: the specific structure of the pipe connecting device is the same as that of the pipe connecting device in the above-mentioned frame embodiment, and the details are not repeated here.
The foregoing embodiments have been described primarily with reference to the principles, essential features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.

Claims (10)

1. Tubular product connecting device (2), its characterized in that: comprises a base (3), at least two connecting units used for being inserted into the inner hole of the pipe (1) are arranged on the base (3), the connecting unit comprises a fixed block (4), a tensioning block (7) and a tightening shaft (6), the tensioning block (7) is tightly clamped and fixed on the fixing block (4) through a clamping groove structure, the tightening shaft (6) is rotatably assembled inside the fixed block (4) and the tensioning block (7), the pipe fitting locking device is characterized in that a cam structure (601) is arranged on the tightening shaft (6), the cam structure (601) is provided with a locking position which props the inner wall of the fixing block (4) and/or the inner wall of the locking block in the rotating process so that the fixing block (4) and the locking block expand outwards and are fixed on the inner wall of the pipe (1) in a pressing mode, and the locking position which releases the propping effect on the fixing block (4) and/or the locking block and realizes the separation of the connecting unit and the pipe (1) is unlocked.
2. The pipe connection device (2) according to claim 1, characterized in that: a slot (403) for inserting the adjusting shaft (6) is formed in the fixing block (4), and the tensioning block (7) is clamped and fixed on the outer side of the fixing block (4) from one side of a notch of the slot (403).
3. The pipe connection device (2) according to claim 2, characterized in that: the tensioning block (7) comprises a first clamping groove portion (701) and a first inserting portion (702), a second clamping groove portion (401) is arranged on the fixing block (4), when the tensioning block (7) is tightly fixed on the fixing block (4), the first clamping groove portion (701) is tightly fixed on the outer side of the second clamping groove portion (401), and the first inserting portion (702) is transversely inserted into the inserting groove (403).
4. The pipe connection device (2) according to claim 1, characterized in that: one end of the connecting unit, which is used for being inserted into the inner hole of the pipe (1), is conical.
5. The pipe connection device (2) according to claim 1, characterized in that: the end part of the connecting unit is provided with a rotary guide structure for guiding the turning of the tightening shaft (6).
6. The pipe connection device (2) according to claim 5, characterized in that: the rotation guide structure comprises a protrusion (603) arranged on the tightening shaft (6) and a guide groove (703) arranged on the fixed block (4) and/or the locking block.
7. The pipe connection device (2) according to claim 1, characterized in that: the tightening shaft (6) is also provided with a connecting structure (602) for connecting a tool to drive the tightening shaft (6) to rotate.
8. The pipe connection device (2) according to any one of claims 1 to 7, wherein: the device also comprises a sealing cover (8) which is arranged on the base (3) and used for hiding the outer end of the tightening shaft (6).
9. The pipe connection device (2) according to any one of claims 1 to 7, wherein: the base (3) is provided with four connecting units which are arranged in a rectangular coordinate system, and the four connecting units are respectively arranged along the X-axis direction, the Y-axis direction, the Z-axis positive direction and the Z-axis negative direction.
10. Frame, including tubular product (1) and tubular product connecting device (2), its characterized in that: the pipe connecting device (2) adopts the pipe connecting device (2) as claimed in any one of claims 1 to 9.
CN201920593636.XU 2019-04-26 2019-04-26 Frame and tubular product connecting device Active CN210135146U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920593636.XU CN210135146U (en) 2019-04-26 2019-04-26 Frame and tubular product connecting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920593636.XU CN210135146U (en) 2019-04-26 2019-04-26 Frame and tubular product connecting device

Publications (1)

Publication Number Publication Date
CN210135146U true CN210135146U (en) 2020-03-10

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920593636.XU Active CN210135146U (en) 2019-04-26 2019-04-26 Frame and tubular product connecting device

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Country Link
CN (1) CN210135146U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110056557A (en) * 2019-04-26 2019-07-26 广东皮阿诺科学艺术家居股份有限公司 A kind of frame and pipe joint

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110056557A (en) * 2019-04-26 2019-07-26 广东皮阿诺科学艺术家居股份有限公司 A kind of frame and pipe joint
CN110056557B (en) * 2019-04-26 2024-06-14 广东皮阿诺科学艺术家居股份有限公司 Frame and tubular product connecting device

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