Gas pipeline plugging device

Abstract

A gas pipeline plugging device comprises a supporting seat, U-shaped plates are arranged on the two sides of the supporting seat correspondingly, the same first pressing roller shaft is slidably installed in the U-shaped plates correspondingly, a threaded through hole is formed in the supporting seat, a first screw is installed in the threaded through hole in a threaded fit mode, and a clamping block is rotationally installed at the lower end of the first screw through a bearing; the clamping block is provided with an arc-shaped groove corresponding to the first pressing roller shaft, the inner circumference of the arc-shaped groove is attached to the outer circumference of the first pressing roller shaft, a second pressing roller shaft is arranged below the first pressing roller shaft and movably installed in the two U-shaped plates, and the first pressing roller shaft and the second pressing roller shaft can be connected through a locking mechanism. The gas pipeline clamping device is simple in structure and ingenious in conception, after a gas pipeline is clamped through the first pressing roller shaft and the second pressing roller shaft, the supporting base, the first screw and the U-shaped plate can be separated from the first pressing roller shaft and the second pressing roller shaft, the situation that the supporting base, the first screw and the U-shaped plate hinder and affect maintenance of the gas pipeline is prevented, the market requirement can be met, and the gas pipeline clamping device is suitable for popularization.

Description

Technical Field

[0001] The utility model belongs to the field of blocking devices, in particular to a gas pipeline blocking device. Background Art

[0002] The gas pipeline blocking device is a device used to block gas pipelines. It is mainly used during the maintenance, modification or installation of gas pipelines to prevent gas leakage. When the existing gas pipeline blocking device is used, the support seat, first screw, U-shaped plate and other brackets cannot be removed. Since the brackets occupy a large space, they may hinder the maintenance of the staff during maintenance. Therefore, we designed a gas pipeline blocking device with a detachable bracket. Utility Model Content

[0003] The utility model provides a gas pipeline blocking device to solve the defects in the prior art.

[0004] The utility model is achieved through the following technical solutions:

[0005] A gas pipeline blocking device includes a support seat, two sides of the support seat are respectively provided with a U-shaped plate, the same first pressure roller shaft is slidably installed in the U-shaped plate, a threaded through hole is provided on the support seat, the thread in the threaded through hole is cooperated to install the first screw, the lower end of the first screw is rotatably installed by a bearing, an arc-shaped groove is provided on the block corresponding to the first pressure roller shaft, the inner periphery of the arc-shaped groove is fitted with the outer periphery of the first pressure roller shaft, a second pressure roller shaft is provided below the first pressure roller shaft, the second pressure roller shaft is movably installed in the two U-shaped plates, the first pressure roller shaft and the second pressure roller shaft can be connected by a locking mechanism, first through grooves are respectively provided at the left and right ends of the support seat, the U-shaped plate corresponds to the first through grooves one by one, and the upper end of the U-shaped plate is hingedly installed in the corresponding first through groove.

[0006] In the gas pipeline plugging device as described above, two grooves are provided on the outer circumference of the second pressure roller shaft corresponding to the U-shaped plate, and the lower end of the U-shaped plate is located in the corresponding grooves.

[0007] As described above, a gas pipeline sealing device, the locking mechanism includes two second screws, a second through groove is respectively provided at both ends of the first pressure roller shaft, and a third through groove is respectively provided at both ends of the second pressure roller shaft. One end of the second screw is hingedly installed in the corresponding third through groove, and the other end of the second screw passes through the corresponding second through groove and is threadedly fitted with a nut, and the lower side of the nut is respectively in contact with the outer periphery of the first pressure roller shaft.

[0008] In the gas pipeline blocking device as described above, the threaded through hole comprises a through hole, an internally threaded tube is fixedly installed on the inner periphery of the through hole, and the first screw is threadably installed in the internally threaded tube.

[0009] In the gas pipeline blocking device as described above, the upper end of the first screw is fixedly mounted on a transverse tube, a transverse rod is slidably mounted on the inner circumference of the transverse tube, a ball is fixedly mounted on one end of the transverse rod, and the same ball is detachably mounted on the other end of the transverse rod.

[0010] In the gas pipeline blocking device as described above, a placement hole is provided on the support seat, the cross bar is placed in the placement hole, and one of the balls on the cross bar is in contact with the support seat.

[0011] The advantages of the utility model are: the utility model has a simple structure and ingenious conception. After the gas pipeline is clamped by the first pressure roller shaft and the second pressure roller shaft, the support seat, the first screw and the U-shaped plate can be separated from the first pressure roller shaft and the second pressure roller shaft, preventing the support seat, the first screw and the U-shaped plate from getting in the way and affecting the maintenance of the gas pipeline. It can meet market demand and is suitable for promotion. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following is a brief introduction to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0013] Figure 1 It is a structural diagram of the utility model; Figure 2 yes Figure 1 A-direction view; Figure 3 yes Figure 1 B-direction view; Figure 4 yes Figure 1 A partial enlarged view of Ⅰ.

[0014] Figure markings: 1. support seat, 2. first screw, 3. U-shaped plate, 4. first pressure roller shaft, 5. second pressure roller shaft, 6. first through groove, 7. block, 8. arc-shaped groove, 20. groove, 30. second screw, 31. second through groove, 32. third through groove, 33. nut, 40. through hole, 41. internal threaded tube, 50. cross tube, 51. cross bar, 52. ball, 53. threaded groove, 60. placement hole. DETAILED DESCRIPTION

[0015] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts shall fall within the scope of protection of the present invention.

[0016] A gas pipeline blocking device, such as Figure 1 、 2As shown in , 3 and 4, it includes a support base 1, U-shaped plates 3 are respectively provided on both sides of the support base 1, and the same first pressure roller shaft 4 is slidably installed in the U-shaped plates 3. A threaded through hole is provided on the support base 1, and the first screw rod 2 is installed in cooperation with the thread in the threaded through hole. The lower end of the first screw rod 2 is rotatably installed with a clamping block 7 through a bearing, and the outer periphery of the lower end of the first screw rod 2 is fixedly connected to the inner ring of the bearing, and the outer ring of the bearing is fixedly connected to one side of the clamping block 7. An arc-shaped groove 8 is provided on the clamping block 7 corresponding to the first pressure roller shaft 4, and the inner periphery of the arc-shaped groove 8 is fitted with the outer periphery of the first pressure roller shaft 4. A second pressure roller shaft 5 is provided below the first pressure roller shaft 4, and the second pressure roller shaft 5 is movably installed on The first pressure roller shaft 4 and the second pressure roller shaft 5 can be connected by a locking mechanism within the two U-shaped plates 3. The left and right ends of the support base 1 are respectively provided with a first through-groove 6. The upper and lower sides and the side away from each other of the first through-groove 6 are respectively communicated with the outside world. The U-shaped plates 3 correspond to the first through-groove 6 one by one. The upper ends of the U-shaped plates 3 are hingedly installed in the corresponding first through-groove 6. The upper ends of the U-shaped plates 3 are respectively fixedly installed with the first rotating shaft. The two ends of the first rotating shaft are respectively rotatably installed in the corresponding first through-groove 6 through bearings. The outer peripheries of the two ends of the first rotating shaft are respectively fixedly connected to the inner rings of the bearings, and the outer rings of the bearings are fixedly connected to the inner walls of the corresponding first through-groove 6. The utility model has a simple structure and an ingenious design. After the gas pipeline is clamped by the first pressure roller shaft 4 and the second pressure roller shaft 5, the support base 1, the first screw 2 and the U-shaped plate 3 can be separated from the first pressure roller shaft 4 and the second pressure roller shaft 5, preventing the support base 1, the first screw 2 and the U-shaped plate 3 from getting in the way and affecting the maintenance of the gas pipeline. It can meet market demand and is suitable for promotion.When using the utility model, the two U-shaped plates 3 are placed on both sides of the gas pipeline in sequence, the support seat 1 is located above the gas pipeline, the second pressure roller shaft 5 is placed below the gas pipeline, and the second pressure roller shaft 5 is slidably installed on the two U-shaped plates 3, the first pressure roller shaft 4 is placed above the gas pipeline, and the first pressure roller shaft 4 is slidably installed on the two U-shaped plates 3, so that the inner periphery of the arc groove 8 fits the outer periphery of the first pressure roller shaft 4, the first screw 2 is screwed, and the first screw 2 drives the clamping block 7 to move downward, and the clamping block 7 pushes the first pressure roller shaft 4 to slide downward along the U-shaped plate 3, and the gas pipeline is clamped by the first pressure roller shaft 4 and the second pressure roller shaft 5, and then the first pressure roller shaft 4 and the second pressure roller shaft 5 are locked by the locking mechanism to ensure The first pressure roller shaft 4 and the second pressure roller shaft 5 clamp the gas pipeline; then twist the first screw 2 so that the first screw 2 drives the block 7 to move upward, so that the first pressure roller shaft 4 is separated from the arc groove 8, and the support seat 1, U-shaped plate 3, first screw 2 and block 7 are moved downward as a whole, so that the lower end of the U-shaped plate 3 is separated from the outer periphery of the second pressure roller shaft 5, and then the U-shaped plate 3 on the left side is rotated clockwise and the U-shaped plate 3 on the right side is rotated counterclockwise so that the U-shaped plate 3 is no longer in contact with the first pressure roller shaft 4 and the second pressure roller shaft 5. At this time, the support seat 1, the first screw 2, the U-shaped plate 3 and the block 7 can be separated from the first pressure roller shaft 4 and the second pressure roller shaft 5 to prevent the support seat 1, the first screw 2, the U-shaped plate 3 and the block 7 from hindering the maintenance of the gas pipeline.

[0017] Specifically, as shown in the figure, in this embodiment, two grooves 20 are formed on the outer circumference of the second pressure roller shaft 5 corresponding to the U-shaped plate 3, and the lower end of the U-shaped plate 3 is located in the corresponding grooves 20. The lower end of the U-shaped plate 3 is clamped in the corresponding grooves 20, which can limit the position between the U-shaped plate 3 and the second pressure roller shaft 5, preventing the U-shaped plate 3 from rotating and the second pressure roller shaft 5 from moving.

[0018] Specifically, as shown in the figure, the locking mechanism described in this embodiment includes two second screws 30, and second through grooves 31 are respectively opened at both ends of the first pressure roller shaft 4, and third through grooves 32 are respectively opened at both ends of the second pressure roller shaft 5. One end of the second screw 30 is hingedly installed in the corresponding third through groove 32, and the lower end of the second screw 30 is fixedly installed with a circular ring, the inner periphery of the circular ring is respectively fixedly connected to the outer ring of the bearing, and the inner ring of the bearing is respectively fixedly connected to the second rotating shaft, and the two ends of the second rotating shaft are fixedly connected to the inner wall of the corresponding third through groove 32, and the other end of the second screw 30 passes through the corresponding second through groove 31 and is threadedly fitted with a nut 33, and the lower side of the nut 33 is respectively in contact with the outer periphery of the first pressure roller shaft 4. After the first pressure roller shaft 4 and the second pressure roller shaft 5 clamp the gas pipeline, rotate the second screw rod 30 on the left side clockwise so that the upper end of the second screw rod 30 on the left side passes through the second through groove 31 on the left side, and then install a nut 33 on the second screw rod 30 on the left side with threaded fit, so that the nut 33 is in contact with the outer periphery of the first pressure roller shaft 4; similarly, rotate the second screw rod 30 on the right side counterclockwise so that the second screw rod 30 on the right side passes through the second through groove 31 on the right side, and install another nut 33 on the upper end of the second screw rod 30 on the right side with threaded fit, so that the other nut 33 is in contact with the outer periphery of the first pressure roller shaft 4; the first pressure roller shaft 4 and the second pressure roller shaft 5 are connected together by the second screw rod 30 and the nut 33 so that relative movement between the two cannot occur.

[0019] Furthermore, as shown in the figure, the threaded through hole in this embodiment includes a through hole 40, an internally threaded tube 41 is fixedly installed on the inner periphery of the through hole 40, and the first screw 2 is threadedly mounted in the internally threaded tube 41. Replacing the threaded through hole with the through hole 40 and the internally threaded tube 41 can increase the structural strength.

[0020] Furthermore, as shown in the figure, in this embodiment, the upper end of the first screw rod 2 is fixedly mounted on a transverse tube 50, and a transverse rod 51 is slidably mounted on the inner circumference of the transverse tube 50. The transverse rod 51 is coaxially arranged with the transverse tube 50. A ball 52 is fixedly mounted on one end of the transverse rod 51, and the same ball 52 is detachably mounted on the other end of the transverse rod 51. The outer circumference of the other end of the transverse rod 51 is provided with a thread, and a corresponding thread groove 53 is formed on the corresponding ball 52. The other end of the transverse rod 51 is threadedly mounted in the thread groove 53. When the transverse rod 51 is pulled, one of the balls 52 contacts one end of the transverse tube 50. Then, by rotating the transverse rod 51, the transverse tube 50 is rotated, thereby driving the first screw rod 2 to rotate. The transverse rod 51 can extend the lever arm, making it easier to rotate the first screw rod 2. The two balls 52 can prevent the transverse rod 51 from sliding out of the transverse tube 50. The detachable mounting of one ball 52 on the transverse rod 51 ensures that the transverse rod 51 can be removed from the transverse tube 50.

[0021] Furthermore, as shown in the figure, the support base 1 of this embodiment is provided with a placement hole 60, the crossbar 51 is placed in the placement hole 60, and one of the balls 52 on the crossbar 51 is in contact with the support base 1. When the crossbar 51 is not needed, the ball 52 with the threaded groove 53 is removed from the crossbar 51, and the crossbar 51 is then placed in the placement hole 60, so that the ball 52 fixed to the crossbar 51 is in contact with the support base 1, and then the ball 52 with the threaded groove 53 is threadedly mounted on the crossbar 51.

[0022] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A gas pipeline blocking device, comprising a support seat (1), U-shaped plates (3) are respectively provided on both sides of the support seat (1), and a first pressure roller shaft (4) is slidably installed in the U-shaped plates (3). A threaded through hole is provided on the support seat (1), and a first screw rod (2) is installed in the threaded through hole in cooperation with the thread. The lower end of the first screw rod (2) is rotatably installed with a clamping block (7) through a bearing, and an arc-shaped groove (8) is provided on the clamping block (7) corresponding to the first pressure roller shaft (4). The inner periphery of the arc-shaped groove (8) is in contact with the outer periphery of the first pressure roller shaft (4), and a second pressure roller shaft (5) is provided below the first pressure roller shaft (4). The second pressure roller shaft (5) is movably installed in the two U-shaped plates (3), and the first pressure roller shaft (4) and the second pressure roller shaft (5) can be connected by a locking mechanism, characterized in that: The left and right ends of the support seat (1) are respectively provided with first through slots (6), the U-shaped plate (3) corresponds to the first through slots (6) one by one, and the upper end of the U-shaped plate (3) is hingedly installed in the corresponding first through slot (6).

2. A gas pipeline blocking device according to claim 1, characterized in that: Two grooves (20) are provided on the outer periphery of the second pressing roller shaft (5) corresponding to the U-shaped plate (3), and the lower end of the U-shaped plate (3) is located in the corresponding grooves (20).

3. A gas pipeline blocking device according to claim 1, characterized in that: The locking mechanism comprises two second screw rods (30), the two ends of the first pressure roller shaft (4) are respectively provided with second through grooves (31), the two ends of the second pressure roller shaft (5) are respectively provided with third through grooves (32), one end of the second screw rod (30) is hingedly installed in the corresponding third through groove (32), the other end of the second screw rod (30) passes through the corresponding second through groove (31) and is threadedly fitted with a nut (33), the lower side of the nut (33) is respectively in contact with the outer periphery of the first pressure roller shaft (4).

4. A gas pipeline blocking device according to claim 1, characterized in that: The threaded through hole comprises a through hole (40), an internal threaded tube (41) is fixedly installed on the inner periphery of the through hole (40), and the first screw rod (2) is thread-fittedly installed in the internal threaded tube (41).

5. The gas pipeline blocking device according to claim 1, characterized in that: A transverse tube (50) is fixedly mounted on the upper end of the first screw rod (2), a transverse rod (51) is slidably mounted on the inner periphery of the transverse tube (50), a round ball (52) is fixedly mounted on one end of the transverse rod (51), and the same round ball (52) is detachably mounted on the other end of the transverse rod (51).

6. A gas pipeline blocking device according to claim 5, characterized in that: The support seat (1) is provided with a placement hole (60), the cross bar (51) is placed in the placement hole (60), and one of the balls (52) on the cross bar (51) is in contact with the support seat (1).

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