Polish rod sealer for oil exploitation

Abstract

The utility model discloses a polish rod sealer for oil exploitation. The polish rod sealer comprises a shell, a polish rod groove is formed in the inner wall of the shell, an annular groove is formed in the inner wall of the shell, an annular plate is arranged on the inner wall of the annular groove, a rubber pad is fixedly connected to the inner wall of the annular plate, and a spring barrel is arranged on the outer wall of the annular plate. The number of the spring barrels is multiple, and the multiple spring barrels are annularly arranged on the inner wall of the annular groove. Through the arrangement of a rubber pad, an annular plate and a spring barrel, the rubber pad, the annular plate and the spring barrel are used in cooperation with a sealing assembly in the using process, the sealing assembly is started and controlled to be used in the using process, and the using position of the annular plate is moved, so that the rubber pad is in attached connection with the outer wall of the polish rod by moving the position of the rubber pad, and the sealing and oil leakage preventing effects are achieved; the rubber pad is abraded to a certain degree, and the position of the movable rubber pad can be compensated through the arrangement of the spring barrel, so that the sealing effect is kept, the using effect of the device is improved, and convenience is provided for a user.

Description

Technical Field

[0001] The utility model relates to the field of petroleum exploitation, in particular to a polished rod sealer used in petroleum exploitation. Background Art

[0002] Oil and gas production is the process of extracting oil and natural gas buried in underground oil layers. The way oil and gas are extracted from underground to the surface can be divided into: self-flowing and artificial lifting according to whether it is necessary to artificially add energy to the wellbore fluid. Artificial lifting oil production includes: gas lift oil production, pumping rod pump oil production, submersible electric centrifugal pump oil production, hydraulic piston pump oil production and jet pump oil production.

[0003] The existing technology has the following problems:

[0004] In the prior art, the polished rod seal used in oil mining is generally adjusted manually, which is troublesome to operate and prone to friction loss in long-term use, resulting in poor sealing effect. Therefore, it is necessary to design a polished rod seal used in oil mining with good use effect. Utility Model Content

[0005] In view of the problems in the related technology, the utility model provides a polished rod sealer used in oil mining to overcome the above technical problems existing in the existing related technology.

[0006] To this end, the specific technical solution adopted by the utility model is as follows: a polished rod sealer used in oil mining, comprising a shell, the inner wall of the shell is provided with a polished rod groove, the inner wall of the shell is provided with a ring groove, the inner wall of the ring groove is provided with a ring plate, the inner wall of the ring plate is fixedly connected with a rubber pad, and the outer wall of the ring plate is provided with a spring cylinder;

[0007] The number of the spring cylinders is multiple, and the multiple spring cylinders are arranged in a ring row on the inner wall of the ring groove; through the arrangement of the rubber pad, the ring plate and the spring cylinder, they are used in conjunction with the sealing component during use. During use, the sealing component is started and controlled to move the use position of the ring plate, thereby realizing the position of the moving rubber pad so that the rubber pad is fit and connected with the outer wall of the light rod to achieve the sealing and oil leakage prevention effect. After long-term use, the rubber pad has a certain degree of wear and tear. The arrangement of the spring cylinder can compensate for the position of the moving rubber pad, thereby maintaining the sealing effect, improving the use effect of the device, and providing convenience for the user.

[0008] Preferably, a sealing assembly is provided on the outer wall of the shell, and the sealing assembly comprises an outer frame fixedly arranged on the outer wall of the shell, and the inner wall of the outer frame is fixedly connected with a control mechanism.

[0009] Preferably, the number of the sealing assemblies is two, and the two sealing assemblies are symmetrically arranged on the outer wall of the housing.

[0010] Preferably, the control mechanism comprises a hydraulic cylinder, both ends of the hydraulic cylinder are fixedly connected with connecting plates, and the outer wall of the connecting plate is fixedly connected with a sliding rod.

[0011] Preferably, the outer wall of the sliding rod is slidably connected to the inner wall of the outer shell, and one end of the sliding rod is fixedly connected to the outer wall of the ring plate.

[0012] Preferably, the number of the control mechanisms is two, and the outer walls of the two hydraulic cylinders are provided with folding protective sleeves; through the sealing assembly, during use, the hydraulic cylinder is started and controlled to move the use position of the ring plate, thereby moving the position of the rubber pad so that the rubber pad is fit and connected to the outer wall of the bare rod to achieve a sealing and oil leakage prevention effect.

[0013] Preferably, a locking cap is threadedly connected to the top of the housing.

[0014] Preferably, a chassis is provided at the bottom of the shell, and a plurality of positioning holes are arranged in a circle on the outer wall of the chassis.

[0015] The beneficial effects of the utility model are as follows: 1. The polished rod sealer used in oil mining is used in conjunction with a sealing component through the arrangement of a rubber pad, a ring plate and a spring tube. During use, the sealing component is started and controlled to move the use position of the ring plate, thereby moving the position of the rubber pad so that the rubber pad is fitted and connected to the outer wall of the polished rod to achieve a sealing effect to prevent oil leakage. After long-term use, the rubber pad has a certain degree of wear. The arrangement of the spring tube can compensate for the position of the moving rubber pad, thereby maintaining the sealing effect, improving the use effect of the device and providing convenience for users.

[0016] The polished rod sealer used in oil mining starts and controls the use of a hydraulic cylinder to move the use position of the ring plate through the sealing component during use, thereby moving the position of the rubber pad so that the rubber pad is fitted and connected with the outer wall of the polished rod to achieve a sealing and oil leakage prevention effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 This is the front view of the utility model;

[0019] Figure 2 This is a schematic diagram of the internal structure of the utility model;

[0020] Figure 3 It is a cross-sectional view of the inner wall of the housing of the utility model;

[0021] Figure 4 This is a schematic diagram of the structure of the sealing component of the utility model;

[0022] Figure 5 It is a structural schematic diagram of the control mechanism of the utility model.

[0023] In the figure: 1. outer shell; 2. sealing assembly; 201. outer frame; 202. control mechanism; 2021. hydraulic cylinder; 2022. slide rod; 3. ring groove; 4. ring plate; 5. rubber pad; 6. spring tube; 7. bare rod groove; 8. lock top cap. DETAILED DESCRIPTION

[0024] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments. They can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, ordinary technicians in the field should be able to understand other possible implementation methods and advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0025] According to an embodiment of the utility model, a polished rod sealer used in oil mining is provided. Example 1

[0026] like Figure 1-Figure 5 As shown, the polished rod sealer for oil mining according to the embodiment of the utility model comprises a housing 1, the inner wall of the housing 1 is provided with a polished rod groove 7, the inner wall of the housing 1 is provided with an annular groove 3, the inner wall of the annular groove 3 is provided with an annular plate 4, the inner wall of the annular plate 4 is fixedly connected with a rubber pad 5, and the outer wall of the annular plate 4 is provided with a spring cylinder 6;

[0027] There are multiple spring tubes 6, and the multiple spring tubes 6 are arranged in a ring on the inner wall of the ring groove 3;

[0028] The top of the housing 1 is threadedly connected with a locking cap 8;

[0029] A chassis is provided at the bottom of the housing 1, and a plurality of positioning holes are arranged in a circle on the outer wall of the chassis.

[0030] In this embodiment, through the arrangement of the rubber pad 5, the ring plate 4 and the spring tube 6, during use, they are used in conjunction with the sealing assembly 2. During use, the sealing assembly 2 is started and controlled to move the use position of the ring plate 4, thereby realizing the position of the moving rubber pad 5 so that the rubber pad 5 is fitly connected with the outer wall of the light rod to achieve a sealing and oil leakage prevention effect. After long-term use, the rubber pad 5 has a certain degree of wear and tear. The arrangement of the spring tube 6 can compensate for the position of the moving rubber pad 5, thereby maintaining the sealing effect, improving the use effect of the device, and providing convenience for the user. Example 2

[0031] On the basis of the first embodiment, the preferred embodiment of the polished rod sealer for oil mining provided by the utility model is as follows: Figure 1-Figure 5 As shown: the outer wall of the housing 1 is provided with a sealing assembly 2, the sealing assembly 2 comprises an outer frame 201 fixedly arranged on the outer wall of the housing 1, and the inner wall of the outer frame 201 is fixedly connected with a control mechanism 202;

[0032] There are two sealing components 2, and the two sealing components 2 are symmetrically arranged on the outer wall of the housing 1;

[0033] The control mechanism 202 includes a hydraulic cylinder 2021, both ends of the hydraulic cylinder 2021 are fixedly connected to connecting plates, and the outer wall of the connecting plate is fixedly connected to a sliding rod 2022;

[0034] The outer wall of the slide bar 2022 is slidably connected to the inner wall of the housing 1, and one end of the slide bar 2022 is fixedly connected to the outer wall of the ring plate 4;

[0035] There are two control mechanisms 202 , and the outer walls of the two hydraulic cylinders 2021 are both provided with foldable protective covers.

[0036] In this embodiment, the sealing assembly 2 is used to start and control the use of the hydraulic cylinder 2021 to move the use position of the ring plate 4, thereby moving the position of the rubber pad 5 so that the rubber pad 5 is fit and connected to the outer wall of the polished rod to achieve a sealing and oil leakage prevention effect.

[0037] In order to facilitate understanding of the above technical solution of the present invention, the working principle or operation method of the present invention in the actual process is described in detail below.

[0038] In actual application, during use, the hydraulic cylinder 2021 is started and controlled to move the use position of the ring plate 4, thereby realizing the position of the mobile rubber pad 5 so that the rubber pad 5 is fitted and connected with the outer wall of the light rod to achieve the sealing and oil leakage prevention effect. After long-term use, the rubber pad 5 has a certain degree of wear and tear. The setting of the spring tube 6 can compensate for the position of the mobile rubber pad 5, thereby maintaining the sealing effect.

[0039] In summary, with the aid of the above-mentioned technical scheme of the utility model, the light rod sealer used in oil mining, through the setting of the rubber pad 5, the ring plate 4 and the spring tube 6, is used in conjunction with the sealing component 2 during use. During use, the sealing component 2 is started and controlled to move the use position of the ring plate 4, thereby realizing the position of the moving rubber pad 5 so that the rubber pad 5 is fitly connected with the outer wall of the light rod to achieve the sealing and oil leakage prevention effect. After long-term use, the rubber pad 5 has a certain degree of wear. The setting of the spring tube 6 can compensate for the position of the moving rubber pad 5, thereby maintaining the sealing effect, improving the use effect of the device, and providing convenience for the user.

[0040] The polished rod sealer used in oil mining uses a sealing component 2. During use, the hydraulic cylinder 2021 is started and controlled to move the use position of the ring plate 4, thereby moving the position of the rubber pad 5 so that the rubber pad 5 is fitted and connected with the outer wall of the polished rod to achieve a sealing effect to prevent oil leakage.

[0041] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A polished rod sealer for oil mining, comprising a housing (1), characterized in that: The inner wall of the housing (1) is provided with a polished rod groove (7), the inner wall of the housing (1) is provided with an annular groove (3), the inner wall of the annular groove (3) is provided with an annular plate (4), the inner wall of the annular plate (4) is fixedly connected with a rubber pad (5), and the outer wall of the annular plate (4) is provided with a spring cylinder (6); There are a plurality of spring tubes (6), and the plurality of spring tubes (6) are arranged in a ring array on the inner wall of the annular groove (3).

2. A polished rod sealer for oil mining according to claim 1, characterized in that: The outer wall of the housing (1) is provided with a sealing assembly (2), the sealing assembly (2) comprising an outer frame (201) fixedly arranged on the outer wall of the housing (1), and the inner wall of the outer frame (201) is fixedly connected with a control mechanism (202).

3. A polished rod sealer for oil mining according to claim 2, characterized in that: The number of the sealing components (2) is two, and the two sealing components (2) are symmetrically arranged on the outer wall of the housing (1).

4. A polished rod sealer for oil mining according to claim 2, characterized in that: The control mechanism (202) comprises a hydraulic cylinder (2021), both ends of the hydraulic cylinder (2021) are fixedly connected to connection plates, and the outer wall of the connection plate is fixedly connected to a sliding rod (2022).

5. A polished rod sealer for oil mining according to claim 4, characterized in that: The outer wall of the sliding rod (2022) is slidably connected to the inner wall of the outer shell (1), and one end of the sliding rod (2022) is fixedly connected to the outer wall of the ring plate (4).

6. The polished rod sealer for oil mining according to claim 4, characterized in that: The number of the control mechanisms (202) is two, and the outer walls of the two hydraulic cylinders (2021) are both provided with foldable protective covers.

7. The polished rod sealer for oil mining according to claim 1, characterized in that: A locking cap (8) is threadedly connected to the top of the housing (1).

8. The polished rod sealer for oil mining according to claim 1, characterized in that: A chassis is provided at the bottom of the housing (1), and a plurality of positioning holes are arranged in a circle on the outer wall of the chassis.

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