Sealing grease injection tool

Abstract

The utility model relates to the technical field of valve maintenance, in particular to a sealing grease injection tool which comprises a grease injection cylinder and an abutting and pushing mechanism, the grease injection cylinder comprises a base and a cylinder cover, the base is provided with a limiting groove, and a mounting hole is formed in the bottom of the limiting groove; the barrel cover is detachably connected with the base, and a grease injection channel is formed in the end, away from the base, of the barrel cover; the abutting and pushing mechanism comprises an abutting and pushing rod, the abutting and pushing rod penetrates through the mounting hole, the end, stretching into the grease injection barrel, of the abutting and pushing rod is connected with an abutting and pushing part, the abutting and pushing part is provided with a cutter, and the cutter point of the cutter faces the barrel cover. By arranging the grease injection barrel to integrally contain the sealing grease tank, the bottom of the sealing grease tank is cut through a cutter on the abutting and pushing mechanism in the using process, the abutting and pushing mechanism integrally pushes the tank bottom of the sealing grease tank to extrude sealing grease to be output from a grease injection channel of the grease injection barrel, the process that the sealing grease needs to be dug and then filled is omitted, and the sealing grease can be rapidly used; and the waste of the sealing grease is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve maintenance technical field, especially a kind of sealing grease injection tool. BACKGROUND

[0002] Natural gas wellhead device is generally combined by several valves and pipelines, and sealing grease needs to be periodically injected at the joint position of valve and pipeline. In the prior art, conventional grease injection pump is generally used to inject sealing grease. The initial sealing grease is packaged as finished product, which needs to be manually taken out and filled into the grease injection pump in advance before use. However, the sealing grease is relatively viscous, and it is time-consuming and laborious to dig and fill into the grease injection pump, and there is a lot of waste. SUMMARY

[0003] The utility model discloses a sealing grease injection tool to overcome the deficiencies of the prior art, such as the need for manual digging and filling into the grease injection pump, which is time-consuming and laborious and causes waste.

[0004] The utility model provides a kind of sealing grease injection tool, comprising

[0005] The grease injection cylinder comprises a base and a cylinder cover. The base is provided with a limiting groove, and the limiting groove is provided with a mounting hole at the bottom. The cylinder cover is detachably connected with the base, and the end of the cylinder cover away from the base is provided with a grease injection channel.

[0006] The pushing mechanism comprises a pushing rod, which passes through the mounting hole. One end of the pushing rod extending into the grease injection cylinder is connected with a pushing part. The pushing part is provided with a cutter, and the cutter tip is directed to the cylinder cover.

[0007] The sealing grease injection tool of the utility model is provided with a grease injection cylinder, which can accommodate a sealing grease tank. When in use, the cutter on the pushing mechanism cuts the bottom of the sealing grease tank, so that the pushing mechanism pushes the tank bottom of the sealing grease tank to extrude the sealing grease and output it from the grease injection channel of the grease injection cylinder. The process of digging and refilling the sealing grease is reduced. The sealing grease injection tool can quickly use the sealing grease, and the waste of sealing grease is avoided.

[0008] Preferably, the pushing part comprises a pushing block, at least two pushing arms are connected to the pushing block, the pushing block is arranged at the end of the pushing rod, the pushing arms are perpendicular to the pushing rod, and the cutter is arranged at the cantilever end of the pushing arm. The pushing part has simple and stable structure, and the cutter can cut the bottom of the sealing grease tank along a circular trajectory during rotation.

[0009] Preferably, a handle is arranged on the pushing rod, and the handle is located outside the grease injection cylinder, so as to facilitate rotation of the pushing rod through the handle, and then drive the cutter to cut the grease pot.

[0010] Preferably, the pushing mechanism comprises an extrusion rod, the extrusion rod axially penetrates through the pushing rod, one end of the extrusion rod is provided with an extrusion plate, the extrusion plate can be moved along the pushing rod to be lower than the cutter tip, and the end of the extrusion rod away from the extrusion plate is connected with a driving mechanism. The cutting function and the extrusion function of the pushing mechanism are separated, and the cutting of the cutter and the extrusion of the grease can be respectively completed.

[0011] Preferably, a groove is arranged on the pushing block, and the extrusion plate can be moved into the groove. The extrusion plate will not exceed the cutter tip to affect the normal cutting of the grease pot.

[0012] Preferably, the driving mechanism comprises a telescopic mechanism. The extrusion and injection of the grease through the driving mechanism are more labor-saving.

[0013] Preferably, the cylinder cover comprises a cylindrical segment and a conical segment, the cylindrical segment is threadedly connected with the base, and the small end of the conical segment is provided with the grease injection channel. The grease can be smoothly output from the grease injection channel under the extrusion of the pushing mechanism.

[0014] Preferably, the small end of the conical segment is connected with a grease injection pipe, and the grease injection channel is arranged in the grease injection pipe. The length of the grease injection channel is prolonged, and the injection of the grease at small gaps is realized.

[0015] Preferably, a limiting block is arranged at the bottom of the limiting groove, and the pushing rod is threadedly connected with the limiting block after penetrating through the mounting hole. The connection stability of the pushing rod and the grease injection cylinder is increased.

[0016] Preferably, a clamping mechanism is arranged in the limiting groove. The relative rotation of the grease pot and the grease injection cylinder is limited through the clamping mechanism, so that the cutter can more smoothly cut the bottom of the grease pot.

[0017] Compared with the prior art, the utility model has the advantages of:

[0018] The utility model provides a kind of grease injection tool, by setting up grease injection cylinder whole containing grease pot, the bottom of the grease pot is cut by cutter on pushing mechanism when using, the bottom of the grease pot is extruded by pushing mechanism whole to extrude grease from the grease injection channel of grease injection cylinder, the process that the grease needs to be dug and then be reloaded is reduced, the use of the grease injection tool can quickly use grease, and waste of grease can be avoided. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1A structure schematic view of a sealing grease injection tool of the utility model;

[0020] Figure 2 A front view of a sealing grease injection tool of the utility model;

[0021] Figure 3 A structure schematic view of the pushing mechanism in the embodiment;

[0022] Figure 4 A front view of the pushing mechanism in the embodiment;

[0023] Figure 5 A use state sectional view of a sealing grease injection tool of the embodiment;

[0024] Markings in the figure:

[0025] 1-injection cylinder, 11-base, 12-cylinder cover, 121-cylinder segment, 122-tapered cylinder segment, 2-injection channel, 3-pushing mechanism, 31-pushing rod, 32-pushing block, 321-groove, 33-pushing arm, 34-handle, 35-squeezing rod, 36-squeezing plate, 4-cutter, 5-limiting block, 6-injection pipe, 7-sealing grease tank. DETAILED DESCRIPTION

[0026] The utility model will be further described in detail in combination with specific embodiments. But this should not be understood as the scope of the above-mentioned subject matter of the utility model is limited to the following embodiments, and all the technologies realized based on the content of the utility model belong to the scope of the utility model.

[0027] In the description of the specific embodiments of the utility model, the orientation or position relationship expression terms appearing in the description of the specific embodiments of the utility model, such as "up", "down", "left", "right", "center", "inner", "outer", etc. are based on the orientation or position relationship expression shown in the drawings, or the orientation or position relationship used when the utility model product / equipment / device is usually used. These orientation or position relationship terms are only used to facilitate the description of the utility model scheme or simplify the description in the specific embodiments, so as to facilitate the quick understanding of the scheme by the technicians, and are not used to indicate or imply that the specific device / component / element must have a specific orientation or be constructed and operated in a specific position relationship, so it cannot be understood as a limitation of the utility model.

[0028] In addition, if the terms "horizontal", "vertical", "overhanging", "parallel" and the like appear, it does not mean that the corresponding device / component / element is absolutely horizontal or vertical or overhanging or parallel, but can be slightly inclined or have a deviation. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined. Alternatively, it can be simplified to understand that the corresponding device / component / element is arranged in the direction of "horizontal", "vertical", "overhanging", "parallel" and the like, and can have an error / deviation of ±10% relative to the corresponding direction, more preferably an error / deviation of ±8%, more preferably an error / deviation of ±6%, more preferably an error / deviation of ±5%, more preferably an error / deviation of ±4%. As long as the corresponding device / component / element is within the error / deviation range, it can still achieve its role in the utility model scheme.

[0029] In addition, the terms "first", "second", "third" and the like in the description of the utility model embodiments are only used to distinguish the same or similar components, and should not be understood as emphasizing or implying the relative importance of the specific components.

[0030] In addition, in the description of the embodiments of the utility model, "several", "a plurality of", "several" represent at least 2. It can be 2, 3, 4, 5, 6, 7, 8, 9 and any other situation, or even more than 9.

[0031] In addition, in the description of the technical scheme of the utility model, unless otherwise specified / limited / limited, the terms "set", "install", "connect", "connect", "set", "lay", "arrange" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrally connected, which can be welding, riveting, bolting, screwing and other commonly used connection means in the art. The connection can be mechanical connection, electrical connection or communication connection; it can be directly connected, or indirectly connected through an intermediate medium, or the communication between two elements.

[0032] Embodiment

[0033] As shown in Figures 1-5 A sealing grease injection tool, comprising an injection cylinder 1 and a pushing mechanism 3, the injection cylinder 1 comprises a base 11 and a cylinder cover 12, the base 11 is provided with a limiting groove, and the bottom of the limiting groove is provided with a mounting hole; the cylinder cover 12 is detachably connected with the base 11, and the end of the cylinder cover 12 away from the base 11 is provided with an injection channel 2; the pushing mechanism 3 comprises a pushing rod 31, the pushing rod 31 passes through the mounting hole, and the end of the pushing rod 31 extending into the injection cylinder 1 is connected with a pushing part, the pushing part is provided with a cutter 4, and the cutter 4 is provided with a cutter tip facing the cylinder cover 12.

[0034] In one or more embodiments, the base 11 and the cylinder cover 12 can be threadedly connected, after the base 11 and the cylinder cover 12 are connected, a space capable of limiting the sealed grease tank 7 is formed, in use, the pushing rod 31 of the pushing mechanism 3 is passed through the mounting hole provided at the center of the base 11, the pushing part of the pushing mechanism 3 is located in the limiting groove, then the sealed grease tank 7 with the top cover removed is placed in the limiting groove of the base 11 with the bottom close to the base 11, abutting the cutter 4 on the pushing part, then the cylinder cover 12 is locked, the sealed grease tank 7 can be limited in the grease injection cylinder 1, then the pushing rod 31 is rotated to drive the cutter 4 to move on the circular track around the mounting hole to cut the bottom of the sealed grease tank 7, and then the pushing mechanism 3 pushes the bottom of the sealed grease tank 7 to extrude the sealed grease in the sealed grease tank 7 to be output from the grease injection channel 2.

[0035] In optional embodiments, as shown in Figures 1-2 the base 11 can be provided with external threads, the cylinder cover 12 can be provided with internal threads, and the height of the sealed grease tank 7 can be adapted to the height of the space formed by the base 11 and the cylinder cover 12, so that after the sealed grease tank 7 is arranged in the grease injection cylinder 1, the sealed grease tank 7 can be tightly pressed by the relative movement of the base 11 and the cylinder cover 12 in the threaded connection, so that the sealed grease tank 7 is not easily rotated in the grease injection cylinder 1, which is conducive to the smooth cutting of the cutter 4.

[0036] In optional embodiments, the base 11 can be provided with internal threads, and the cylinder cover 12 can be provided with external threads, so that the cylinder cover 12 can extend into the base 11 to tightly press the sealed grease tank 7 in the base 11, which also has the effect of limiting the movement and rotation of the sealed grease tank 7.

[0037] In optional embodiments, in order to further avoid the rotation or movement of the sealed grease tank 7 in the grease injection cylinder 1, a clamping mechanism can also be arranged in the limiting groove of the base 11, which can be a bent wire arranged on the side wall of the limiting groove, which can provide extrusion force to the sealed grease tank 7 when the sealed grease tank 7 is placed, so that the relative position of the sealed grease tank 7 and the grease injection cylinder 1 is stable, and the sealed grease tank 7 is not easily rotated or moved during use, which can make the cutter 4 cut the bottom of the sealed grease tank 7 more smoothly.

[0038] In one or more embodiments, the pushing part includes a pushing block 32, at least two pushing arms 33 are connected to the pushing block 32, the pushing block 32 is arranged at the end of the pushing rod 31, the pushing arms 33 are perpendicular to the pushing rod 31, and the cutter 4 is arranged at the cantilever end of the pushing arm 33. The pushing part has a simple and stable structure, and can make the cutter 4 cut the bottom of the sealed grease tank 7 along the circular track during rotation.

[0039] In optional embodiments, as shown in Figure 3As shown, the push block 32 can be a square plate structure, or other shapes with a certain thickness, and the opposite end of the push block 32 is connected to the two push arms 33, and the push block 32 is arranged at the end of the push rod 31.

[0040] In an optional embodiment, the push arm 33 can be integrally formed with the push block 32, or welded or connected after being processed separately. The push block 32 can be welded or connected to the push rod 31, and the number of push arms 33 can be three, four or evenly distributed.

[0041] In an optional embodiment, a cutter 4 is arranged at the cantilever end of each push arm 33. The cutter 4 can be provided with a sharp cutting edge at one end close to the cantilever end of the push arm 33, and the cutting edge faces away from the push block 32 on the side of the push rod 31.

[0042] In one or more embodiments, a handle 34 is arranged on the push rod 31, and the handle 34 is located outside the grease injection cylinder 1. The handle 34 is used to rotate the push rod 31, and the cutter 4 is used to cut the sealing grease tank 7.

[0043] In an optional embodiment, the handle 34 can be a ring-shaped hand wheel arranged around the push rod 31. The handle 34 is used to rotate the push rod 31 by one hand, and the bottom of the sealing grease tank 7 is cut by the cutter 4.

[0044] In one or more embodiments, the push mechanism 3 can further include an extrusion rod 35, which is axially arranged through the push rod 31. One end of the extrusion rod 35 is provided with an extrusion plate 36, which can be moved along the push rod 31 to be lower than the cutting edge of the cutter 4. The other end of the extrusion rod 35 is connected with a driving mechanism. The cutting function and the extrusion function of the push mechanism 3 are separated, and the cutter 4 cutting and the sealing grease extrusion can be completed by the push rod 31 and the extrusion rod 35 respectively.

[0045] In an optional embodiment, a groove 321 can be arranged on the push block 32, and the extrusion plate 36 can be moved into the groove 321, so that the extrusion plate 36 does not exceed the cutting edge of the cutter 4 and affects the normal cutting of the sealing grease tank 7.

[0046] In an optional embodiment, as shown in the figure, Figure 3 The extrusion plate 36 can be a circular plate, which can apply uniform pushing force to the bottom of the sealing grease tank 7, so that the bottom plate of the sealing grease tank 7 after being cut can extrude the sealing grease from the grease injection channel 2.

[0047] In an optional embodiment, the driving mechanism can include a telescopic mechanism, which can extrude the sealing grease more labor-savingly.

[0048] Preferably, the driving mechanism can also be a conventional grease injection pump, and the extrusion rod 35 is connected with the telescopic part of the grease injection pump according to actual conditions, and the extrusion rod 35 can be pushed by the telescopic action of the grease injection pump, and then the extrusion plate 36 is driven to move, so that the bottom of the grease tank 7 cut into an independent disc shape is pushed.

[0049] In one or more embodiments, the cylinder cover 12 can include a cylindrical segment 121 and a tapered cylinder segment 122, the cylindrical segment 121 is threadedly connected with the base 11, and the small end of the tapered cylinder segment 122 is provided with a grease injection channel 2. The sealing grease can be smoothly output from the grease injection channel 2 under the extrusion of the pushing mechanism 3.

[0050] In an optional embodiment, the small end of the tapered cylinder segment 122 can be connected with the grease injection pipe 6, and the grease injection channel 2 is arranged in the grease injection pipe 6. The length of the grease injection channel 2 is extended to realize the injection of sealing grease at small gaps.

[0051] In an optional embodiment, the grease injection pipe 6 can be a tubular structure connected with the small end of the tapered cylinder segment 122, or an integral structure with the tapered cylinder segment 122.

[0052] In one or more embodiments, the limit groove inner bottom can be provided with a limit block 5, and the pushing rod 31 is threadedly connected with the limit block 5 after penetrating the mounting hole. The connection stability of the pushing rod 31 and the grease injection cylinder 1 is increased.

[0053] In an optional embodiment, the limit block 5 can be a locally thickened structure arranged on the limit groove inner bottom, the limit block 5 and the limit groove inner bottom can be welded and fixed, the mounting hole penetrates the limit groove bottom and the limit block 5 at the same time, and the internal thread is arranged in the mounting hole to realize the connection of the pushing rod 31 and the grease injection cylinder 1.

[0054] The sealing grease injection tool of the embodiment can realize the use of sealing grease quickly and avoid the waste of sealing grease by setting the grease injection cylinder 1 to hold the sealing grease tank 7, cutting the bottom of the sealing grease tank 7 by the cutter 4 on the pushing mechanism 3 during use, and pushing the tank bottom of the sealing grease tank 7 by the pushing mechanism 3 to extrude the sealing grease from the grease injection channel 2 of the grease injection cylinder 1, thereby reducing the process of digging and refilling the sealing grease.

[0055] The above only describes the preferred embodiments of the utility model, and does not limit the utility model, and any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A grease injection tool, characterized in that, include Grease injection cylinder (1), the grease injection cylinder (1) includes a base (11) and a cylinder cover (12), the base (11) is provided with a limiting groove, and the bottom of the limiting groove is provided with an installation hole; the cylinder cover (12) is detachably connected to the base (11), and the end of the cylinder cover (12) away from the base (11) is provided with a grease injection channel (2); The pushing mechanism (3) includes a pushing rod (31) that passes through the mounting hole. One end of the pushing rod (31) that extends into the grease injection cylinder (1) is connected to a pushing part. The pushing part is provided with a cutter (4) with the tip of the cutter (4) facing the cylinder cover (12).

2. The sealing grease injection tool according to claim 1, characterized in that, The pushing part includes a push block (32), on which at least two push arms (33) are connected. The push block (32) is located at the end of the pushing rod (31), and the push arms (33) are perpendicular to the pushing rod (31). The cutter (4) is located at the cantilever end of the push arm (33).

3. The sealing grease injection tool according to claim 2, characterized in that, The push rod (31) is provided with a handle (34), which is located outside the grease injection cylinder (1).

4. The sealing grease injection tool according to claim 3, characterized in that, The pushing mechanism (3) includes a pressing rod (35) that passes axially through the pushing rod (31). One end of the pressing rod (35) is provided with a pressing plate (36). The pressing plate (36) can move along the pushing rod (31) to a position lower than the tip of the cutter (4). The end of the pressing rod (35) away from the pressing plate (36) is connected to a driving mechanism.

5. A grease injection tool according to claim 4, characterized in that, The pusher (32) is provided with a groove (321), and the extrusion plate (36) can move into the groove (321).

6. The sealing grease injection tool according to claim 4, characterized in that, The drive mechanism includes a telescopic mechanism.

7. A grease injection tool according to any one of claims 1-6, characterized in that, The cap (12) includes a cylindrical section (121) and a conical section (122). The cylindrical section (121) is threadedly connected to the base (11), and the small end of the conical section (122) is provided with the grease injection channel (2).

8. A grease injection tool according to claim 7, characterized in that, The small end of the conical section (122) is connected to the grease injection tube (6), and the grease injection channel (2) is located inside the grease injection tube (6).

9. A grease injection tool according to claim 7, characterized in that, The bottom of the limiting groove is provided with a limiting block (5), and the push rod (31) passes through the mounting hole and is threadedly connected to the limiting block (5).

10. A grease injection tool according to claim 7, characterized in that, The limiting groove is equipped with a holding mechanism.

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