Auxiliary opening device for quick-opening blind plate
By designing a fast-opening blind plate auxiliary opening device including a hoop, a connecting frame and a top member, the problem of fast-opening blind plate lock ring stuck in a large diameter is solved, and the normal opening of the blind plate cover is achieved. The device structure is simple and assembly is convenient.
Patent Information
- Application Number
- CN202421730406.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-22
- Publication Date
- 2025-04-22
- Estimated Expiration
- 2034-07-22
AI Technical Summary
The existing fast-opening blind plate auxiliary opening device is difficult to effectively relieve the problem of the fast-opening blind plate lock ring with a larger diameter, resulting in the blind plate cover being unable to open normally.
A fast-open blind plate auxiliary opening device including a hoop, a connecting frame and a top member is designed. The hook joint is hooked to the short section of the cylinder body, and the connecting frame is connected to the short section of the cylinder body through the hook joint, and a top member is installed thereon. The top end of the top member can be perpendicular to the blind plate cover, and the blind plate cover is pushed to unlock the locking ring.
This device can effectively solve the problem of the lock ring of the large-diameter fast opening blind plate, so that the blind plate cover can be opened normally, and the structure is simple and assembly is simple.
Smart Images

Figure CN222783213U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of quick-opening blind plates, and in particular relates to a quick-opening blind plate auxiliary opening device. Background Art
[0002] Many devices in long-distance natural gas pipelines are equipped with quick-opening blind plates 4 (the quick-opening blind plate 4 includes a barrel short section 41 and a blind plate cover 42, the outer side of the barrel short section has an annular groove, and the blind plate cover 42 is located in the barrel short section 41). Long-distance natural gas pipelines are maintained in spring and autumn every year. During maintenance, some quick-opening blind plates' lock rings are usually stuck and cannot be opened. At this time, it is necessary to use a tool to squeeze the blind plate cover inward relative to the barrel short section to release the lock ring. For example, the structure disclosed in patent announcement number CN219263226U "A quick-opening blind plate safety opening device" is also for releasing the lock ring of the blind plate cover from being stuck. Although it is relatively small in size, it is only suitable for auxiliary opening of quick-opening blind plates with smaller diameters, and has poor opening effect on quick-opening blind plates with larger diameters (over 0.5m). Utility Model Content
[0003] In order to solve the above technical problems, the purpose of the utility model is to provide a quick-opening blind plate auxiliary opening device which has a simple structure and can assist in opening a quick-opening blind plate with a larger diameter.
[0004] In order to achieve the above-mentioned purpose, the technical solution of the utility model is as follows: a quick-opening blind plate auxiliary opening device, including a hoop connector, a connecting frame and a push piece, the hoop connector is a circular ring, which is used to be hoop-connected to the short section of the cylinder, the connecting frame is an n-shaped frame, the connecting frame and the hoop connector are perpendicular to each other, and both ends of the connecting frame are connected to the hoop connector, the push piece is installed on the connecting frame, and its push end faces the blind plate cover.
[0005] The beneficial effect of the above technical solution is that the connecting frame is used as the supporting part of the ejector, and the connecting frame is connected to the cylinder short section through the hoop connecting piece. At this time, the ejector end of the ejector can be perpendicular to the blind plate cover and eject the blind plate cover to move relative to the cylinder short section box, so that the problem of the lock ring being stuck can be solved and the blind plate cover can be opened normally.
[0006] In the above technical solution, the connection points between the two ends of the connecting frame and the hoop connector are located on the same diameter line of the hoop connector.
[0007] The beneficial effect of the above technical solution is that the overall balance after the connection between the connecting frame and the hoop connector is good, and the position of the ejector on the support frame can be adjusted so that the ejector can be abutted against any position on the blind plate cover as required.
[0008] The connecting frame in the above technical solution includes a horizontal arm and two vertical arms, the two vertical arms are parallel to each other and spaced apart, the two ends of the horizontal arm are respectively connected to the same end of the two vertical arms, the other ends of the two vertical arms are connected to the hoop connector, and the push member is installed on the horizontal arm and is located between the two vertical arms.
[0009] The beneficial effects of the above technical solution are: its structure is simple and easy to assemble.
[0010] In the above technical solution, a socket is provided at one end of the vertical arm away from the hoop connector, and the sockets on the two vertical arms are aligned with each other, and the two ends of the horizontal arm pass through the two sockets to be detachably connected to the two vertical arms.
[0011] The beneficial effect of the above technical solution is that the coupling piece can be coupled to the cylinder short section first, and then the cross arm and the two vertical arms can be detachably connected, so that the connection frame can avoid affecting the installation of the coupling piece on the cylinder short section.
[0012] In the above technical solution, both ends of the cross arm are provided with pin holes, and the distance between the two pin holes is greater than the distance between the two vertical arms. The cross arm passes through the two insertion holes, and the two vertical arms are located between the two pin holes, and a locking pin is inserted in each pin hole.
[0013] The beneficial effects of the above technical solution are: its structure is simple and it makes it easy to disassemble and assemble the horizontal arm and the two vertical arms.
[0014] The pushing member in the above technical solution is a jack, and a hanging ring for the cross arm to pass through is arranged at one end of the pushing member away from the pushing end thereof.
[0015] The beneficial effect of the above technical solution is that the position of the ejector on the cross arm can be flexibly adjusted and it is not easy to loosen from the cross arm.
[0016] In the above technical solution, an abutment plate is vertically arranged at the pushing end of the pushing member.
[0017] The beneficial effect of the above technical solution is that the stability of the push end of the push member when abutting against the blind plate cover is better and it is not easy to slide and move.
[0018] The hoop connector in the above technical solution includes two hoop rings, which are arranged opposite to each other and connected to form a circular ring and are hoop-connected to the short section of the cylinder. The two vertical arms correspond to the two hoop rings one by one, and each vertical arm is connected to the middle part corresponding to the length direction of the corresponding hoop ring.
[0019] The beneficial effects of the above technical solution are: its structure is simple and it makes it more convenient to disassemble and assemble the hoop connector on the cylinder short section.
[0020] The hoop ring in the above technical solution includes an arc-shaped hoop plate and a hanging block protruding on the inner side of the arc of the hoop plate. The two ends of the two hoop plates are arranged opposite to each other and can be detachably connected, and the hanging blocks are extended into the annular groove in the short section of the cylinder.
[0021] The beneficial effect of the above technical solution is that when the coupling piece is coupled to the cylinder short section, the hanging block can extend into the annular groove of the cylinder short section for hanging, so that the coupling piece is not easy to loosen when coupled to the cylinder short section.
[0022] In the above technical solution, a plurality of hanging blocks are convexly provided on the inner side of the arc of the hoop plate and are distributed at intervals along the length direction.
[0023] The beneficial effect of the above technical solution is that when the coupling member is coupled to the cylinder short section, its hanging points are evenly distributed in the annular direction, thereby preventing the coupling member from tilting relative to the cylinder short section when subjected to the force of the ejector. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] Figure 1 It is a vertical view of the quick-opening blind plate auxiliary opening device according to an embodiment of the utility model;
[0025] Figure 2 It is a front view of the hoop connector according to the embodiment of the utility model;
[0026] Figure 3 It is a schematic diagram of assembling the quick-opening blind plate auxiliary opening device described in an embodiment of the utility model on the quick-opening blind plate.
[0027] In the figure: 1 a hoop; 11 a hoop ring; 111 a hoop plate; 112 a hanging block; 12 a bolt; 121 a bolt; 122 a nut; 2 a connecting frame; 21 a cross arm; 211 a pin hole; 22 a vertical arm; 221 a plug hole; 23 a locking pin; 3 a pusher; 31 a hanging ring; 32 abutting plate; 4 a quick-opening blind plate; 41 a cylinder short section; 42 a blind plate cover. DETAILED DESCRIPTION
[0028] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention. The present invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become clearer according to the following description and claims. It should be noted that the drawings are all in a very simplified form and are not in precise proportions, and are only used to conveniently and clearly assist in explaining the purpose of the embodiments of the present invention.
[0029] like Figure 1 and Figure 3As shown, this embodiment provides a quick-opening blind plate auxiliary opening device, including a hoop connector 1, a connecting frame 2 and a push member 3, wherein the hoop connector 1 is annular and is used for being hoop-connected to a cylinder short section 41, and the connecting frame 2 is an n-shaped frame, wherein the connecting frame 2 and the hoop connector 1 are perpendicular to each other, and both ends thereof are connected to the hoop connector 1, and the push member 3 is mounted on the connecting frame 2, and its push end faces the blind plate cover 42, so that the connecting frame serves as a supporting portion of the push member, and the connecting frame is hoop-connected to the cylinder short section through the hoop connector, at this time, the push end of the push member can be perpendicular to the blind plate cover and push the blind plate cover to move relative to the cylinder short section box, so that the problem of the lock ring being stuck can be solved, and the blind plate cover can be opened normally.
[0030] In the above technical solution, the connection points between the two ends of the connecting frame 2 and the hoop connector 1 are located on the same diameter line of the hoop connector 1, so that the overall balance after the connecting frame and the hoop connector are connected is good, and the position of the ejector on the support frame can be adjusted so that the ejector can be offset against any position on the blind plate cover as needed.
[0031] See Figure 1 As shown, the connecting frame 2 in the above technical solution includes a horizontal arm 21 and two vertical arms 22, the two vertical arms 22 are parallel to each other and spaced apart, the two ends of the horizontal arm 21 are respectively connected to the same end of the two vertical arms 22, the other ends of the two vertical arms 22 are connected to the hoop 1, the pusher 3 is installed on the horizontal arm 21 and is located between the two vertical arms 22, the structure is simple, and the assembly is easy.
[0032] See Figure 1 As shown, in the above technical solution, a socket 221 is provided at one end of the vertical arm 22 away from the hoop connector 1, and the sockets 221 on the two vertical arms 22 are aligned with each other, and the two ends of the cross arm 21 pass through the two sockets 221 to be detachably connected with the two vertical arms 22. In this way, the hoop connector can be hoop-connected with the short section of the cylinder first, and then the cross arm can be detachably connected with the two vertical arms, so as to avoid the connection frame from affecting the installation of the hoop connector on the short section of the cylinder.
[0033] See Figure 1 As shown, in the above technical solution, both ends of the cross arm 21 are provided with pin holes 211, and the distance between the two pin holes 211 is greater than the distance between the two vertical arms 22. The cross arm 21 passes through the two insertion holes 221, and the two vertical arms 22 are located between the two pin holes 211. A locking pin 23 is inserted in each pin hole 211, and the structure is simple, and the cross arm and the two vertical arms are easy to disassemble and assemble. In this embodiment, the locking pin can be a steel ball pin, which is not easy to loosen after being inserted into the corresponding pin hole 211.
[0034] See Figure 1 and Figure 3 As shown, the pushing member 3 in the above technical solution is a jack, and a hanging ring 31 for the cross arm 21 to pass through is arranged at one end of the pushing member 3 away from its pushing end, so that the position of the pushing member on the cross arm can be flexibly adjusted and it is not easy to loosen from the cross arm; an abutment plate 32 is vertically arranged at the pushing end of the pushing member 3, so that the stability of the pushing end of the pushing member and the blind plate cover when they are abutted is better and it is not easy to slip and move.
[0035] See Figure 1 and Figure 3 As shown, the coupling 1 in the above technical solution includes two hoops 11, the two hoops 11 are arranged opposite to each other and connected to form a circular ring and are hooped on the cylinder short section 41, the two vertical arms 22 correspond to the two hoops 11 one by one, and each of the vertical arms 22 is connected to the middle part corresponding to the length direction of the corresponding hoops 11, the structure is simple, and it is more convenient to disassemble and assemble the coupling on the cylinder short section.
[0036] like Figure 2 As shown, the hoop ring 11 in the above technical solution includes an arc-shaped hoop plate 111 and a hanging block 112 protruding on the inner side of the arc of the hoop plate 111, the two ends of the two hoop plates 111 are arranged opposite to each other and are detachably connected, and the hanging blocks 112 are both extended into the annular groove in the cylinder short section 41, so that when the hoop connector is hooped on the cylinder short section, the hanging block can be extended into the annular groove of the cylinder short section for hanging, so that the hoop connector is not easy to loosen when it is hooped on the cylinder short section.
[0037] In this embodiment, the two hoop plates are both semicircular in shape, and their ends are bent outwards. A connecting hole is provided at the bending position, and the connecting holes of the two hoop plates close to one end are aligned with each other and connected by a bolt 12, and the bolt 12 includes a bolt 121 and a nut 122. A bolt is inserted into the two aligned connecting holes, and the threaded end of the bolt is threadedly connected to at least one nut.
[0038] See Figure 2 As shown, the arc inner side of the hoop plate 111 in the above technical solution is convexly provided with a plurality of hanging blocks 112 spaced apart along the length direction, so that when the hoop is hooped on the cylinder short section, its hanging points are evenly distributed in the annular direction, thereby preventing the hoop from tilting relative to the cylinder short section when the hoop is subjected to the force of the pusher.
[0039] The above description is only a preferred embodiment of the utility model and does not limit the utility model in any form. Any ordinary technician in the industry can smoothly implement the utility model as shown in the drawings of the specification and described above. However, any equivalent changes, modifications and evolutions made by technicians familiar with the profession without departing from the scope of the technical solution of the utility model using the technical content disclosed above are all equivalent embodiments of the utility model. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the utility model are still within the protection scope of the technical solution of the utility model.
Claims
1. A quick-opening blind plate auxiliary opening device, characterized in that: The invention comprises a hoop connector (1), a connecting frame (2) and a push member (3). The hoop connector (1) is annular and is used for being hoop-connected to a cylinder short section (41). The connecting frame (2) is an n-shaped frame. The connecting frame (2) and the hoop connector (1) are perpendicular to each other and both ends of the connecting frame are connected to the hoop connector (1). The push member (3) is installed on the connecting frame (2) and its push end faces a blind plate cover (42).
2. The quick-opening blind plate auxiliary opening device according to claim 1 is characterized in that: The connection points between the two ends of the connecting frame (2) and the hoop connector (1) are located on the same diameter line of the hoop connector (1).
3. The quick-opening blind plate auxiliary opening device according to claim 1 or 2, characterized in that: The connecting frame (2) comprises a horizontal arm (21) and two vertical arms (22), the two vertical arms (22) are parallel to each other and spaced apart, the two ends of the horizontal arm (21) are respectively connected to the same end of the two vertical arms (22), the other ends of the two vertical arms (22) are connected to the hoop connector (1), and the push member (3) is mounted on the horizontal arm (21) and is located between the two vertical arms (22).
4. The quick-opening blind plate auxiliary opening device according to claim 3 is characterized in that: An insertion hole (221) is provided at one end of the vertical arm (22) away from the hoop connector (1), and the insertion holes (221) on the two vertical arms (22) are aligned with each other, and the two ends of the horizontal arm (21) pass through the two insertion holes (221) to be detachably connected to the two vertical arms (22).
5. The quick-opening blind plate auxiliary opening device according to claim 4 is characterized in that: Pin holes (211) are provided at both ends of the cross arm (21), and the distance between the two pin holes (211) is greater than the distance between the two vertical arms (22); the cross arm (21) passes through the two insertion holes (221), and the two vertical arms (22) are located between the two pin holes (211), and a locking pin (23) is inserted into each pin hole (211).
6. The quick-opening blind plate auxiliary opening device according to claim 3 is characterized in that: The pushing member (3) is a jack, and a hanging ring (31) for the cross arm (21) to pass through is provided at one end of the pushing member (3) away from the pushing end thereof.
7. The quick-opening blind plate auxiliary opening device according to claim 6, characterized in that: A contact plate (32) is vertically arranged at the pushing end of the pushing member (3).
8. The quick-opening blind plate auxiliary opening device according to claim 3, characterized in that: The hoop connector (1) comprises two hoop rings (11), the two hoop rings (11) are arranged opposite to each other and connected to form a circular ring and are hoop-connected to the cylinder short section (41), the two vertical arms (22) correspond to the two hoop rings (11) one by one, and each vertical arm (22) is connected to the middle part of the corresponding hoop ring (11) in the length direction.
9. The quick-opening blind plate auxiliary opening device according to claim 8, characterized in that: The hoop ring (11) comprises an arc-shaped hoop plate (111) and a hanging block (112) protruding from the inner side of the arc of the hoop plate (111), the two ends of the two hoop plates (111) are arranged opposite to each other and are detachably connected, and the hanging blocks (112) are both extended into the annular groove in the cylinder short section (41).
10. The quick-opening blind plate auxiliary opening device according to claim 9, characterized in that: A plurality of hanging blocks (112) are convexly arranged on the inner side of the arc of the hoop plate (111) and are distributed at intervals along the length direction.
Citation Information
Patent Citations
Safe opening device for quick-opening blind plate
CN219263226U