PVC sleeve connecting device

Abstract

The utility model relates to the technical field of PVC (polyvinyl chloride) casing pipes, and discloses a PVC casing pipe connecting device which comprises a supporting column body and a protective shell, the surface of the inner wall of the protective shell is in bolted connection with a connecting shell, the surface of the inner wall of the connecting shell is provided with a clamping mechanism, and the supporting column body is fixedly connected to the surface of the bottom end of the protective shell. According to the PVC sleeve connecting device, the inserting device, the spiral spring and the sliding metal plate are arranged, the spiral spring rebounds to push the inserting device to move left and right in the sliding metal plate, so that the sliding metal plate is replaced, the sliding metal plate is rapidly and conveniently replaced, a large amount of time is not needed for replacing the sliding metal plate, and the replacement efficiency is improved. According to the PVC pipeline clamping device, the use time of the device can be prolonged, the position of the two-way lead screw can be limited, so that the clamping device can be connected, meanwhile, different types of clamping devices can be used according to the specification of a PVC pipeline, and the clamping device is convenient and fast to replace.

Description

Technical Field

[0001] The utility model relates to the technical field of PVC sleeves, in particular to a PVC sleeve connection device. Background Art

[0002] PVC casing is a common pipe protection material made of polyvinyl chloride (PVC). It has the following characteristics: protection, insulation, durability, easy installation, beautiful appearance, etc. At the same time, PVC casing is a fully functional, safe, reliable and easy-to-use pipe protection material, which is widely used in construction, electricity, communications and other fields.

[0003] The prior art discloses a sleeve connection device with application number: CN202222224583.9, which belongs to the field of pipe connection equipment. A sleeve connection device includes a connection frame, a through hole for the sleeve to be inserted is opened on one side of the connection frame, a support plate is fixedly installed between the inner side surfaces of the other side of the connection frame, a rotating rod is rotatably connected in the support plate, a handle and a gear plate are fixedly installed on the top and bottom of the rotating rod respectively, and a fastening nut for fixing is provided on the outer surface of the rotating rod, and a moving mechanism is fixedly installed on the two inner side surfaces of the connection frame respectively, and a first L-shaped support rod and a second L-shaped support rod are fixedly installed on the side of the two moving mechanisms close to the through hole respectively, and a first arc-shaped clamping plate and a second arc-shaped clamping plate are fixedly installed on the ends of the first L-shaped support rod and the second L-shaped support rod away from the corresponding connection moving mechanism respectively, and the moving mechanism includes a limit rod fixedly connected to the inner side surface of the connection frame, and a bar block is movably sleeved on the limit rod. Existing sleeve connections all use threaded connections, and the connection efficiency is low.

[0004] The two inner sides of the above-mentioned connecting frame are respectively fixedly installed with moving mechanisms. To replace the first arc-shaped splint and the second arc-shaped splint, the first arc-shaped splint and the second arc-shaped splint need to be cut. Replacing the first arc-shaped splint and the second arc-shaped splint takes a lot of time, which increases the working time and workload of the staff. Utility Model Content

[0005] The purpose of the utility model is to provide a PVC sleeve connecting device to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a PVC sleeve connection device, comprising a supporting column and a protective shell, the inner wall surface of the protective shell is bolted to the connecting shell, the inner wall surface of the connecting shell is installed with a clamping mechanism, and the supporting column is fixedly connected to the bottom end surface of the protective shell.

[0007] The clamping mechanism includes a connecting turntable, an L-shaped connecting plate, a clamping device, a bidirectional screw rod, a chain and a gear block. The connecting turntable is located at the front section of the clamping mechanism. The connecting turntable is threadedly connected to the front side of the bidirectional screw rod, the gear block is threadedly connected to the back side of the bidirectional screw rod, the clamping device is threadedly connected to the rear end of the bidirectional screw rod, the L-shaped connecting plate is movably connected to the front end of the connecting turntable, and the gear block is meshedly connected to the inner wall surface of the left end of the chain.

[0008] Preferably, the clamping device includes a limiting device, a connecting threaded sleeve, a PVC pipe clamping plate and an L-shaped limiting plate, the connecting threaded sleeve is located at the left end of the limiting device, the connecting threaded sleeve is movably connected to the left side surface of the limiting device, the limiting device is movably connected to the rear end of the PVC pipe clamping plate, and the L-shaped limiting plate is bolted to the front side of the limiting device.

[0009] Preferably, the limiting device includes a sliding metal plate, a plug-in device, a connecting handle, a coil spring and a connecting slide rod, the plug-in device is located at the left end of the limiting device, the plug-in device is movably connected to the left end of the sliding metal plate, the connecting handle is fixedly connected to the front side of the sliding metal plate, the connecting slide rod is fixedly connected to the left end of the sliding metal plate, and the coil spring is fixedly connected to the left end of the sliding metal plate.

[0010] Preferably, the plug-in device is movably connected to the right end of the connecting threaded sleeve, the connecting threaded sleeve is movably connected to the left surface of the sliding metal plate, the sliding metal plate is movably connected to the bottom surface inside the connecting shell, and the plug-in device slides on the surface of the connecting slide rod inside the sliding metal plate, thereby being able to adjust the position of the plug-in device and allowing the plug-in device to begin to compress the coil spring.

[0011] Preferably, the bidirectional screw rod is movably connected to the lower end of the connecting shell, the gear block is movably connected to the back side of the connecting shell, and the L-shaped connecting plate is bolted to the inner wall surface of the connecting shell. Hold the upper end of the L-shaped connecting plate and push the L-shaped connecting plate up and down, so that the L-shaped connecting plate drives the bidirectional screw rod to be inserted into the inner wall surface of the connecting shell, so that the L-shaped connecting plate drives the limiting device to be inserted into the inner bottom end surface of the connecting shell.

[0012] Preferably, the limiting device is movably connected to the inner wall surface of the L-shaped connecting plate, and the limiting device is movably connected to the inner bottom end surface of the connecting shell. The number of the L-shaped connecting plates is four, and the four L-shaped connecting plates are distributed at equal intervals.

[0013] Preferably, the sliding metal plate is movably connected to the rear end of the PVC pipe clamping plate, the plug-in device is movably connected to the left side surface of the coil spring, and the plug-in device is movably connected to the left end of the connecting slide rod.

[0014] Preferably, the number of the plug-in devices is four, two of which form a group, the two groups of plug-in devices are distributed front to back, and the two plug-in devices on the same side are distributed left to right, pushing the sliding metal plate to be plugged into the inner wall surface of the connecting shell, allowing the connecting threaded sleeve and the surface of the sliding metal plate to slide, so that the connecting threaded sleeve can push the plug-in device to move left and right inside the sliding metal plate.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. The PVC sleeve connection device is provided with a plug-in device, a coil spring and a sliding metal plate. The rebound of the coil spring can push the plug-in device to move left and right inside the sliding metal plate, so that the sliding metal plate can be replaced, making the sliding metal plate replaceable quickly and conveniently, without spending a lot of time on replacing the sliding metal plate, and can increase the service life of the device.

[0017] 2. The PVC sleeve connecting device is equipped with a bidirectional screw rod, an L-shaped limit plate and a connecting turntable, which can limit the position of the bidirectional screw rod so that the clamping device can be connected. At the same time, different types of clamping devices can be used according to the specifications of the PVC pipe, making the replacement of the clamping device convenient and fast. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is an overall three-dimensional schematic diagram of the utility model;

[0019] Figure 2 It is a three-dimensional schematic diagram of the clamping mechanism of the utility model;

[0020] Figure 3 It is a three-dimensional schematic diagram of the clamping device of the utility model;

[0021] Figure 4 For this utility model Figure 3 A partial enlarged schematic diagram of the structure at point A in the middle.

[0022] In the figure: 1. Clamping mechanism; 11. Connecting turntable; 12. L-shaped connecting plate; 13. Clamping device; 131. Limiting device; 1311. Sliding metal plate; 1312. Plug-in device; 1313. Connecting handle; 1314. Coil spring; 1315. Connecting slide rod; 132. Connecting threaded sleeve; 133. PVC pipe clamping plate; 134. L-shaped limiting plate; 14. Bidirectional screw rod; 15. Chain; 16. Gear block; 2. Connecting shell; 3. Protective shell; 4. Support column. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-4 , the utility model provides the following technical solutions:

[0025] A PVC sleeve connection device includes a support column 4 and a protective shell 3, the inner wall surface of the protective shell 3 is bolted with a connecting shell 2, the inner wall surface of the connecting shell 2 is installed with a clamping mechanism 1, and the support column 4 is fixedly connected to the bottom end surface of the protective shell 3.

[0026] The clamping mechanism 1 includes a connecting turntable 11, an L-shaped connecting plate 12, a clamping device 13, a bidirectional screw rod 14, a chain 15 and a gear block 16. The connecting turntable 11 is located at the front section of the clamping mechanism 1. The connecting turntable 11 is threadedly connected to the front of the bidirectional screw rod 14. The gear block 16 is threadedly connected to the back of the bidirectional screw rod 14. The bidirectional screw rod 14 is movably connected to the lower end of the connecting housing 2. The gear block 16 is movably connected to the back of the connecting housing 2. The L-shaped connecting plate 12 is bolted to the connecting housing 2. The inner wall surface of the connecting shell 2 is held, the upper end of the L-shaped connecting plate 12 is held, and the L-shaped connecting plate 12 is pushed up and down, so that the L-shaped connecting plate 12 drives the two-way screw rod 14 to be inserted into the inner wall surface of the connecting shell 2, so that the L-shaped connecting plate 12 drives the limiting device 131 to be inserted into the inner bottom end surface of the connecting shell 2, the clamping device 13 is threadedly connected to the rear end of the two-way screw rod 14, the L-shaped connecting plate 12 is movably connected to the front end of the connecting turntable 11, and the gear block 16 is meshedly connected to the inner wall surface of the left end of the chain 15.

[0027] The clamping device 13 includes a limiting device 131, a connecting threaded sleeve 132, a PVC pipe clamping plate 133 and an L-shaped limiting plate 134. The connecting threaded sleeve 132 is located at the left end of the limiting device 131, and the connecting threaded sleeve 132 is movably connected to the left side surface of the limiting device 131. The limiting device 131 is movably connected to the inner wall surface of the L-shaped connecting plate 12. The limiting device 131 is movably connected to the inner bottom end surface of the connecting shell 2. The number of L-shaped connecting plates 12 is four, and the four L-shaped connecting plates 12 are distributed at equal intervals. The limiting device 131 is movably connected to the rear end of the PVC pipe clamping plate 133, and the L-shaped limiting plate 134 is bolted to the front of the limiting device 131.

[0028] The limiting device 131 includes a sliding metal plate 1311, a plug-in device 1312, a connecting handle 1313, a coil spring 1314 and a connecting slide rod 1315. The plug-in device 1312 is located at the left end of the limiting device 131. There are four plug-in devices 1312, two of which are in a group. The two groups of plug-in devices 1312 are distributed front to back, and the two plug-in devices 1312 on the same side are distributed left to right. The sliding metal plate 1311 is pushed to be plugged into the inner wall surface of the connecting shell 2, so that the surfaces of the connecting threaded sleeve 132 and the sliding metal plate 1311 slide, so that the connecting threaded sleeve 132 can push the plug-in device 1312 to move left and right inside the sliding metal plate 1311. The plug-in device 1312 is movably connected to the left end of the sliding metal plate 1311, and the plug-in device 1312 is movably connected to the right end of the connecting threaded sleeve 132. The sleeve 132 is movably connected to the left side surface of the sliding metal plate 1311, the sliding metal plate 1311 is movably connected to the bottom end surface inside the connecting shell 2, the plug-in device 1312 slides on the surface of the connecting slide rod 1315 inside the sliding metal plate 1311, so that the position of the plug-in device 1312 can be adjusted, so that the plug-in device 1312 begins to compress the coil spring 1314, the connecting handle 1313 is fixedly connected to the front side of the sliding metal plate 1311, the sliding metal plate 1311 is movably connected to the rear end of the PVC pipe clamping plate 133, the plug-in device 1312 is movably connected to the left side surface of the coil spring 1314, the plug-in device 1312 is movably connected to the left end of the connecting slide rod 1315, the connecting slide rod 1315 is fixedly connected to the left end of the sliding metal plate 1311, and the coil spring 1314 is fixedly connected to the left end of the sliding metal plate 1311.

[0029] When in use, hold the upper end of the L-shaped connecting plate 12, push the L-shaped connecting plate 12 to insert into the front and rear ends of the bidirectional screw rod 14, so that the front and back sides of the threaded ends of the L-shaped connecting plate 12 and the bidirectional screw rod 14 are connected, then hold the upper end of the L-shaped connecting plate 12, push the L-shaped connecting plate 12 up and down, so that the L-shaped connecting plate 12 drives the bidirectional screw rod 14 to insert into the inner wall surface of the connecting shell 2, so that the L-shaped connecting plate 12 drives the limiting device 131 to insert into the inner bottom end surface of the connecting shell 2, and then push the PVC pipe The front section of the clamping plate 133 allows the PVC pipe clamping plate 133 to be inserted into the inner wall surface of the sliding metal plate 1311, so that the position of the PVC pipe clamping plate 133 can be determined, and then the sliding metal plate 1311 is pushed to be inserted into the inner wall surface of the connecting shell 2, so that the surface of the connecting thread sleeve 132 and the sliding metal plate 1311 slides, so that the connecting thread sleeve 132 can push the plug-in device 1312 to move left and right inside the sliding metal plate 1311, and the plug-in device 1312 is connected inside the sliding metal plate 1311 The surface of the slide bar 1315 slides, thereby adjusting the position of the plug-in device 1312, allowing the plug-in device 1312 to begin to compress the coil spring 1314. When the bottom surface of the sliding metal plate 1311 and the bottom surface of the inside of the connecting shell 2 are movably connected, the coil spring 1314 begins to rebound, and the coil spring 1314 can push the plug-in device 1312 to move left and right, allowing the plug-in device 1312 to be inserted into the inner end of the connecting threaded sleeve 132, and holding the connecting turntable 11 at one end, the connecting turntable 11 drives the two-way The screw rod 14 rotates, and the bidirectional screw rod 14 can drive the two connecting threaded sleeves 132 to move toward each other, and the two connecting threaded sleeves 132 drive the sliding metal plate 1311 to move toward each other. At the same time, when the bidirectional screw rod 14 rotates, the bidirectional screw rod 14 drives the gear block 16 to rotate, so that the chain 15 drives the gear block 16 to rotate, so that the two bidirectional screw rods 14 connected inside the outer shell 2 rotate, so that the two sets of connecting threaded sleeves 132 can move toward each other, so that the two PVC pipe clamping plates 133 clamp and fix the PVC pipe.

[0030] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A PVC sleeve connection device, comprising a support column (4) and a protective shell (3), characterized in that: The inner wall surface of the protective shell (3) is connected to the connecting shell (2), the inner wall surface of the connecting shell (2) is installed with a clamping mechanism (1), and the supporting column (4) is connected to the bottom end surface of the protective shell (3); The clamping mechanism (1) comprises a connecting turntable (11), an L-shaped connecting plate (12), a clamping device (13), a bidirectional screw rod (14), a chain (15) and a gear block (16); the connecting turntable (11) is located at the front section of the clamping mechanism (1), the connecting turntable (11) is connected to the front side of the bidirectional screw rod (14), the gear block (16) is connected to the back side of the bidirectional screw rod (14), the clamping device (13) is connected to the rear end of the bidirectional screw rod (14), the L-shaped connecting plate (12) is connected to the front end of the connecting turntable (11), and the gear block (16) is connected to the inner wall surface of the left end of the chain (15).

2. A PVC sleeve connection device according to claim 1, characterized in that: The clamping device (13) comprises a limiting device (131), a connecting threaded sleeve (132), a PVC pipe clamping plate (133) and an L-shaped limiting plate (134); the connecting threaded sleeve (132) is located at the left end of the limiting device (131); the connecting threaded sleeve (132) is connected to the left side surface of the limiting device (131); the limiting device (131) is connected to the rear end of the PVC pipe clamping plate (133); and the L-shaped limiting plate (134) is connected to the front side of the limiting device (131).

3. A PVC sleeve connection device according to claim 2, characterized in that: The limiting device (131) comprises a sliding metal plate (1311), a plug-in device (1312), a connecting handle (1313), a coil spring (1314) and a connecting slide bar (1315); the plug-in device (1312) is located at the left end of the limiting device (131); the plug-in device (1312) is connected to the left end of the sliding metal plate (1311); the connecting handle (1313) is connected to the front side of the sliding metal plate (1311); the connecting slide bar (1315) is connected to the left end of the sliding metal plate (1311); and the coil spring (1314) is connected to the left end of the sliding metal plate (1311).

4. A PVC sleeve connection device according to claim 3, characterized in that: The plug-in device (1312) is connected to the right end of the connecting threaded sleeve (132), the connecting threaded sleeve (132) is connected to the left side surface of the sliding metal plate (1311), and the sliding metal plate (1311) is connected to the bottom end surface inside the connecting shell (2).

5. A PVC sleeve connection device according to claim 4, characterized in that: The bidirectional screw rod (14) is connected to the lower end of the connecting shell (2), the gear block (16) is connected to the back side of the connecting shell (2), and the L-shaped connecting plate (12) is connected to the inner wall surface of the connecting shell (2).

6. A PVC sleeve connection device according to claim 5, characterized in that: The limiting device (131) is connected to the inner wall surface of the L-shaped connecting plate (12), and the limiting device (131) is connected to the inner bottom surface of the connecting shell (2). The number of the L-shaped connecting plates (12) is four, and the four L-shaped connecting plates (12) are distributed at equal intervals.

7. A PVC sleeve connection device according to claim 6, characterized in that: The sliding metal plate (1311) is connected to the rear end of the PVC pipe clamping plate (133), the plug-in device (1312) is connected to the left side surface of the spiral spring (1314), and the plug-in device (1312) is connected to the left end of the connecting slide rod (1315).

8. A PVC sleeve connection device according to claim 7, characterized in that: The number of the plug-in devices (1312) is four, two of the plug-in devices (1312) form a group, the two groups of plug-in devices (1312) are distributed front to back, and the two plug-in devices (1312) on the same side are distributed left to right.

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