阅读说明：本技术 一种石油开采泵固定装置及其使用方法 (Oil exploitation pump fixing device and using method thereof ) 是由 曾素玲 于 2021-08-06 设计创作，主要内容包括：本发明涉及石油开采技术领域,具体为一种石油开采泵固定装置及其使用方法,该石油开采泵固定装置,包括固定箱,固定箱的内部设有开采泵本体,所述固定箱的两侧贯穿开设有对称分布的第一安装槽,固定箱的顶部贯穿开设有第二安装槽,固定箱的内部两侧设有对称分布的对第一安装槽进行密封的第一密封机构,固定箱的内部顶端设有对第二安装槽进行密封的第二密封机构；固定箱的下方设有调节开采泵本体高度的调节机构,调节机构的下方设有减少开采泵本体工作振动的减震机构；解决了现有的石油开采泵固定装置在开采泵进行固定时,固定稳定性不够、密封性不好等问题。(The invention relates to the technical field of oil exploitation, in particular to an oil exploitation pump fixing device and a using method thereof, wherein the oil exploitation pump fixing device comprises a fixing box, an exploitation pump body is arranged in the fixing box, first mounting grooves which are symmetrically distributed are formed in the two sides of the fixing box in a penetrating manner, a second mounting groove is formed in the top of the fixing box in a penetrating manner, first sealing mechanisms which are symmetrically distributed and used for sealing the first mounting grooves are arranged in the two sides of the inside of the fixing box, and a second sealing mechanism which is used for sealing the second mounting groove is arranged at the top end of the inside of the fixing box; an adjusting mechanism for adjusting the height of the mining pump body is arranged below the fixed box, and a damping mechanism for reducing the working vibration of the mining pump body is arranged below the adjusting mechanism; the problems that when the existing oil exploitation pump fixing device is used for fixing the exploitation pump, the fixing stability is not enough, the sealing performance is not good and the like are solved.)

1. The fixing device for the oil exploitation pump comprises a fixing box (1), wherein an exploitation pump body (2) is arranged inside the fixing box (1), and is characterized in that first mounting grooves (101) which are symmetrically distributed are formed in the two sides of the fixing box (1) in a penetrating mode, a second mounting groove (102) is formed in the top of the fixing box (1) in a penetrating mode, first sealing mechanisms (3) which are symmetrically distributed and used for sealing the first mounting grooves (101) are arranged on the two sides of the inside of the fixing box (1), and a second sealing mechanism (4) which is used for sealing the second mounting groove (102) is arranged at the top end of the inside of the fixing box (1);

the lower part of the fixed box (1) is provided with an adjusting mechanism (5) for adjusting the height of the mining pump body (2), and the lower part of the adjusting mechanism (5) is provided with a damping mechanism (6) for reducing the working vibration of the mining pump body (2).

2. An oil extraction pump fixing device according to claim 1, characterized in that the two ends of the extraction pump body (2) are provided with symmetrically distributed input pipes adapted to the first mounting groove (101), and the top of the extraction pump body (2) is provided with output pipes adapted to the second mounting groove (102).

3. The oil production pump fixing device according to claim 1, wherein the first sealing mechanism (3) comprises a sealing chamber (301) fixed with the inner side wall of the fixing box (1), the sealing chamber (301) is rotatably connected with a first threaded rod (303), two ends of the outer surface of the first threaded rod (303) are sleeved with first sliding seats (304) which are symmetrically distributed, the top end of each first sliding seat (304) is fixed with a sliding rod (305), and the top ends of the two sliding rods (305) are fixed with first sealing annular plates (306) which are symmetrically distributed.

4. The oil production pump fixing device according to claim 1, characterized in that the second sealing mechanism (4) comprises a sealing disc (401) fixed with the top end of the inner part of the fixing box (1), the side surface of the sealing disc (401) is provided with a plurality of pull rods (402) distributed uniformly in a ring shape in a penetrating way, one end of each pull rod (402) positioned in the sealing disc (401) is fixed with a second sealing annular plate (403), and the outer surface of each pull rod (402) is sleeved with a sealing spring (405).

5. The oil production pump fixing device according to claim 1, wherein the adjusting mechanism (5) comprises an adjusting chamber (501), an adjusting groove (502) is formed in the top of the adjusting chamber (501), an adjusting plate (503) is slidably connected to the inside of the adjusting groove (502), the top of the adjusting plate (503) is fixed to the outer bottom end of the fixing box (1), second threaded rods (504) are rotatably connected to two inner side walls of the adjusting chamber (501), symmetrically distributed second sliding seats (505) are sleeved at two ends of the outer surface of each second threaded rod (504), and connecting rods (506) are connected between the tops of the two second sliding seats (505) and two ends of the bottom of the adjusting plate (503) respectively.

6. The oil production pump fixing device according to claim 1, wherein the damping mechanism (6) comprises a damping chamber (601), a damping groove (602) is formed in the top of the damping chamber (601), a damping plate (603) is slidably connected to the inside of the damping groove (602), first supporting plates (604) which are symmetrically distributed are fixed to two ends of the bottom of the damping plate (603), a second supporting plate (605) is fixed to a position, close to the middle, of the bottom of the first supporting plate (604), and a damping seat (606) is arranged below the first supporting plate (604).

7. The oil recovery pump fixing device of claim 6, wherein a first damping spring (607) is fixed between the bottom of the second support plate (605) and the inner bottom end of the damping seat (606), two outer side walls of the damping seat (606) are slidably connected with first sliding blocks (608) which are symmetrically distributed, the two first sliding blocks (608) are respectively hinged with first damping rods (609) at two ends of the bottom of the first support plate (604), two sides of the damping seat (606) close to the bottom end are provided with second sliding blocks (610) which are symmetrically distributed, and a second damping rod (611) is hinged between the second sliding blocks (610) and the first sliding blocks (608).

8. A method of using an oil recovery pump fixture as defined in claim 1, comprising the steps of:

firstly, input pipes at two ends of a mining pump body (2) extend to the outside of a fixed box (1) through a first mounting groove (101) and are sealed through a first sealing mechanism (3); an output pipe at the top of the production pump body (2) extends to the outside of the fixed box (1) through a second mounting groove (102) and is sealed through a second sealing mechanism (4);

secondly, the adjusting motor (507) drives the adjusting plate (503) to slide in the adjusting groove (502) through the adjusting mechanism (5), so that the height of the production pump can be adjusted conveniently;

and thirdly, vibration generated when the mining pump works is transmitted to the damping mechanism (6) through the fixed box (1), and the mining pump body (2) is damped through the damping mechanism (6), so that the working safety of the mining pump is improved.

Technical Field

The invention relates to the technical field of oil exploitation, in particular to an oil exploitation pump fixing device and a using method thereof.

Background

Petroleum is a fluid mineral buried deeply in the ground, and as an important energy source, compared with coal, it has the advantages of high energy density, convenient transportation and storage, and less pollution to the atmosphere after combustion. Fuel oil extracted from petroleum is the main fuel for various kilns in the transportation, power station boilers, metallurgical and building material industries. Liquefied gas and pipeline gas which use petroleum as raw materials are high-quality fuels used in life of urban residents. Airplanes, tanks, naval vessels, rockets, and other spacecraft also consume large amounts of petroleum fuel.

Therefore, it is very important to extract oil, an oil extraction pump is used when extracting oil, the oil extraction pump needs to be fixed when extracting oil, and when the existing oil extraction pump fixing device is used for fixing the oil extraction pump, the fixing stability is not enough, so that the oil extraction pump generates violent shaking during working, the working noise is large, the working environment is polluted, and meanwhile, components of the oil extraction pump are easily damaged; because the oil production pump is mostly in a humid and severe working environment, the sealing of the oil production pump is particularly important.

In order to solve the above-mentioned drawbacks, a technical solution is now provided.

Disclosure of Invention

The invention aims to provide an oil exploitation pump fixing device and a using method thereof.

The technical problems to be solved by the invention are as follows:

when the existing oil exploitation pump fixing device is used for fixing an exploitation pump, the fixing stability is not enough, so that the exploitation pump generates violent shaking during working, the working noise is high, the working environment is polluted, and meanwhile, components of the exploitation pump are easy to damage; because the oil production pump is mostly in a humid and severe working environment, the sealing of the oil production pump is particularly important.

The purpose of the invention can be realized by the following technical scheme:

an oil exploitation pump fixing device comprises a fixing box, an exploitation pump body is arranged inside the fixing box, first mounting grooves which are symmetrically distributed are formed in the two sides of the fixing box in a penetrating mode, a second mounting groove is formed in the top of the fixing box in a penetrating mode, first sealing mechanisms which are symmetrically distributed and used for sealing the first mounting grooves are arranged on the two sides of the inside of the fixing box, and a second sealing mechanism which is used for sealing the second mounting groove is arranged at the top end of the inside of the fixing box;

the lower side of the fixed box is provided with an adjusting mechanism for adjusting the height of the mining pump body, and the lower side of the adjusting mechanism is provided with a damping mechanism for reducing the working vibration of the mining pump body.

Furthermore, the both ends of exploitation pump body are installed the symmetric distribution and the input tube of first mounting groove looks adaptation, and the output tube of the top installation with second mounting groove looks adaptation of exploitation pump body.

Further, first sealing mechanism includes the sealed room fixed with the inside lateral wall of fixed case, and the inside rotation of sealed room is connected with first threaded rod, and the first sliding seat of symmetric distribution has been cup jointed at the surface both ends of first threaded rod, and the top of first sliding seat is fixed with the slide bar, and the top of two slide bars is fixed with the first sealed annular plate of symmetric distribution.

Furthermore, the second sealing mechanism comprises a sealing disc fixed with the top end inside the fixed box, a plurality of pull rods distributed uniformly in an annular mode penetrate through the side surface of the sealing disc, a second sealing annular plate is fixed at one end, located inside the sealing disc, of each pull rod, and a sealing spring is sleeved on the outer surface of each pull rod.

Further, adjustment mechanism includes the control chamber, and the adjustment tank has been seted up at the top of control chamber, and the inside sliding connection of adjustment tank has the regulating plate, and the top of regulating plate is fixed mutually with the outside bottom of fixed case, and the inside both sides wall of control chamber rotates and is connected with the second threaded rod, and the surface both ends cover of second threaded rod is equipped with the second sliding seat of symmetric distribution, and the top of two second sliding seats respectively with be connected with the connecting rod between the bottom both ends of regulating plate.

Further, damper includes the shock attenuation room, and the shock attenuation groove has been seted up at the top of shock attenuation room, and the inside sliding connection in shock attenuation groove has the shock attenuation board, and the bottom both ends of shock attenuation board are fixed with the first backup pad of symmetric distribution, and the bottom of first backup pad is close to middle rigidity and has the second backup pad, and the below of first backup pad is equipped with the shock mount.

Further, be fixed with first damping spring between the inside bottom of the bottom of backup pad and cushion socket, the outside both sides wall sliding connection of cushion socket has the first sliding block of symmetric distribution, and two first sliding blocks are connected with first shock attenuation pole with the bottom both ends of first backup pad respectively, and the position that the both sides of cushion socket are close to the bottom is equipped with the second sliding block of symmetric distribution, and the second sliding block is connected with the second shock attenuation pole with first sliding block.

A use method of an oil exploitation pump fixing device comprises the following steps:

firstly, extending input pipes at two ends of a mining pump body to the outside of a fixed box through a first mounting groove, and sealing through a first sealing mechanism; extending an output pipe at the top of the mining pump body to the outside of the fixed box through a second mounting groove, and sealing through a second sealing mechanism;

secondly, the adjusting motor drives the adjusting plate to slide in the adjusting groove through the adjusting mechanism, so that the height of the mining pump can be adjusted conveniently;

and thirdly, transmitting vibration generated during the operation of the mining pump to a damping mechanism through a fixed box, and damping the mining pump body through the damping mechanism to improve the working safety of the mining pump.

The invention has the beneficial effects that:

according to the invention, the first sealing mechanism is arranged, so that the rotating handle drives the first threaded rod to rotate, the two first sliding seats are driven to be close to each other, the first sealing annular plates are driven to be close to each other through the sliding rods, the input pipe penetrating through the first mounting groove is sealed, and the second sealing mechanism is arranged, so that during mounting, the handle is pulled to pull the pull rod so as to drive the second sealing annular plates to expand, the output pipe is mounted in the second mounting groove, and the second sealing annular plates seal the output pipe under the action of the sealing spring; make the mining pump body have good operational environment in the fixed box, increase the life of mining pump, also played the fixed action to input tube and output tube simultaneously, strengthened the job stabilization nature of mining pump.

Through setting up adjustment mechanism for the adjustment motor drives the second threaded rod and rotates, thereby drives two second sliding seats and is close to each other or deviates from, and two connecting rods of cooperation drive the regulating plate and slide in the adjustment tank, realize the ascending and descending of fixed case in vertical side, are convenient for adjust the height of mining pump, improve fixing device's practicality, facilitate the use.

Through setting up damper, make the vibrations that the mining pump produced at the during operation transmit the shock attenuation board through fixed case on, thereby drive the downstream of second backup pad, thereby extrude first damping spring, make it produce deformation and realize the shock attenuation, first shock attenuation pole drives first sliding block lapse simultaneously, make the second shock attenuation pole drive the second sliding block and slide in the damper chamber, extrude second damping spring, make it produce deformation and further realize the shock attenuation, thereby make the vibration that the mining pump produced weaken, improve the stability of device, increase the work security of mining pump.

Drawings

The invention is described in further detail below with reference to the figures and specific embodiments.

FIG. 1 is a schematic view showing the overall construction of an oil recovery pump fixing device according to the present invention;

FIG. 2 is a schematic view showing the internal structure of the fixing case of the present invention;

FIG. 3 is a schematic illustration of the construction of the production pump body of the present invention;

FIG. 4 is a schematic structural view of a first sealing mechanism of the present invention;

FIG. 5 is a schematic structural view of a second sealing mechanism of the present invention;

FIG. 6 is a schematic structural view of the adjustment mechanism of the present invention;

FIG. 7 is a schematic view of the structure of the shock absorbing mechanism of the present invention;

fig. 8 is a schematic view showing the inner structure of the damping chamber according to the present invention.

In the figure: 1. a fixed box; 2. a production pump body; 3. a first sealing mechanism; 4. a second sealing mechanism; 5. an adjustment mechanism; 6. a damping mechanism; 101. a first mounting groove; 102. a second mounting groove; 201. a fixing plate; 202. a reinforcing plate; 301. a sealed chamber; 302. a sliding groove; 303. a first threaded rod; 304. a first sliding seat; 305. a slide bar; 306. a first sealing annular plate; 307. rotating the handle; 401. a sealing disc; 402. a pull rod; 403. a second sealing annular plate; 404. pulling the handle; 405. a seal spring; 501. a conditioning chamber; 502. an adjustment groove; 503. an adjusting plate; 504. a second threaded rod; 505. a second sliding seat; 506. a connecting rod; 507. adjusting the motor; 601. a damping chamber; 602. a damping groove; 603. a damper plate; 604. a first support plate; 605. a second support plate; 606. a shock absorbing seat; 607. a first damping spring; 608. a first slider; 609. a first shock-absorbing lever; 610. a second slider; 611. a second shock-absorbing lever; 612. a second damping spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-8, the present invention provides a technical solution:

an oil production pump fixing device comprises a fixing box 1, wherein an oil production pump body 2 is arranged inside the fixing box 1, first mounting grooves 101 which are symmetrically distributed are formed in the two sides of the fixing box 1 in a penetrating mode, a second mounting groove 102 is formed in the top of the fixing box 1 in a penetrating mode, first sealing mechanisms 3 which are symmetrically distributed and used for sealing the first mounting grooves 101 are arranged on the two sides of the inside of the fixing box 1, and a second sealing mechanism 4 which is used for sealing the second mounting groove 102 is arranged at the top end of the inside of the fixing box 1;

an adjusting mechanism 5 for adjusting the height of the mining pump body 2 is arranged below the fixed box 1, and a damping mechanism 6 for reducing the working vibration of the mining pump body 2 is arranged below the adjusting mechanism 5.

A fixed plate 201 is fixed at the bottom end inside the fixed box 1, the bottom of the mining pump body 2 is fixed with the top of the fixed plate 201, reinforcing plates 202 which are symmetrically distributed are fixed between the two sides of the mining pump body 2 and the fixed plate 201, and the reinforcing plates 202 are used for improving the stability of the mining pump body 2;

the both ends of exploitation pump body 2 are installed the symmetric distribution and the input tube of first mounting groove 101 looks adaptation, and the output tube of second mounting groove 102 looks adaptation is installed at the top of exploitation pump body 2.

First sealing mechanism 3 includes with the fixed sealed room 301 of the inside lateral wall of fixed case 1, sliding tray 302 has been seted up at the top of sealed room 301, the inside of sealed room 301 rotates and is connected with first threaded rod 303, the first sliding seat 304 of symmetric distribution has been cup jointed at the surface both ends of first threaded rod 303, the top of first sliding seat 304 is fixed with slide bar 305, slide bar 305's top is passed slide tray 302 and with sliding tray 302 sliding connection, the top of two slide bars 305 is fixed with the first sealed annular plate 306 of symmetric distribution.

One end of the first threaded rod 303 penetrates through the sealing chamber 301 and is fixed with a rotating handle 307, both ends of the outer surface of the first threaded rod 303 are respectively provided with a positive thread and a negative thread, the two first sliding seats 304 are respectively in threaded connection with the positive thread and the negative thread on the first threaded rod 303, and the bottom of the first sliding seat 304 is in sliding connection with the bottom end inside the sealing chamber 301. Through setting up first sealing mechanism 3, make to rotate handle 307 and drive first threaded rod 303 and rotate, thereby drive two first sliding seats 304 and be close to each other, it is close to each other to drive first sealed annular slab 306 through slide bar 305, seal the input tube that passes first mounting groove 101, make mining pump body 2 have good operational environment in the set casing 1, increase the life of mining pump, also played the fixed action to the input tube simultaneously, strengthen the job stabilization nature of mining pump.

The second sealing mechanism 4 comprises a sealing disc 401 fixed to the top end of the inside of the fixed box 1, the sealing disc 401 is of a hollow structure, a plurality of annular pull rods 402 distributed uniformly penetrate through the side surface of the sealing disc 401, the pull rods 402 are connected with the sealing disc 401 in a sliding mode, a second sealing annular plate 403 is fixed to one end, located inside the sealing disc 401, of each pull rod 402, a pulling handle 404 is fixed to the other end of each pull rod 402, a sealing spring 405 is sleeved on the outer surface of each pull rod 402, and two ends of each sealing spring 405 are fixed to the inner side surfaces of the second sealing annular plate 403 and the sealing disc 401 respectively. Through setting up second sealing mechanism 4, during the installation, pulling handle 404 pulls pull rod 402 thereby drives second sealing annular plate 403 and expandes, installs the output tube in second mounting groove 102, makes second sealing annular plate 403 seal the output tube under sealing spring 405's effect.

Adjustment mechanism 5 includes adjustment chamber 501, adjustment tank 502 has been seted up at adjustment chamber 501's top, adjustment tank 502's inside sliding connection has adjustment plate 503, adjustment plate 503's top is fixed with the outside bottom of fixed case 1, adjustment chamber 501's inside both sides wall rotates and is connected with second threaded rod 504, the surface both ends cover of second threaded rod 504 is equipped with symmetric distribution's second sliding seat 505, two second sliding seat 505's top respectively with be connected with connecting rod 506 between adjustment plate 503's the bottom both ends, the both ends of connecting rod 506 respectively with second sliding seat 505 and between the adjustment plate 503 between hinged joint.

An adjusting motor 507 is fixed on one side wall of the outside of the adjusting chamber 501, one end of the second threaded rod 504 penetrates through the adjusting chamber 501 and is fixed with the output end of the adjusting motor 507, two ends of the outer surface of the second threaded rod 504 are respectively provided with a positive thread and a reverse thread which are symmetrically distributed, and the two second sliding seats 505 are respectively in threaded connection with the positive thread and the reverse thread on the second threaded rod 504. Through setting up adjustment mechanism 5 for accommodate motor 507 drives second threaded rod 504 and rotates, thereby drives two second sliding brackets 505 and is close to each other or deviates from, and two connecting rods 506 of cooperation drive regulating plate 503 and slide in adjustment tank 502, realize the ascending and descending of fixed case 1 in vertical side, are convenient for adjust the height of exploitation pump, improve fixing device's practicality, facilitate the use.

The damping mechanism 6 comprises a damping chamber 601, a damping groove 602 is formed in the top of the damping chamber 601, a damping plate 603 is connected in the damping groove 602 in a sliding manner, the top of the damping plate 603 is fixed to the outer bottom end of the adjusting chamber 501, first supporting plates 604 which are symmetrically distributed are fixed to two ends of the bottom of the damping plate 603, a second supporting plate 605 is fixed to the position, close to the middle, of the bottom of the first supporting plate 604, a damping seat 606 is arranged below the first supporting plate 604, the outer bottom end of the damping seat 606 is fixed to the inner bottom end of the damping chamber 601, and the bottom of the second supporting plate 605 penetrates through the top of the damping seat 606 and is connected with the damping seat 606 in a sliding manner;

a first damping spring 607 is fixed between the bottom of the second support plate 605 and the inner bottom end of the damping seat 606, two outer side walls of the damping seat 606 are slidably connected with first sliding blocks 608 which are symmetrically distributed, the two first sliding blocks 608 are respectively connected with first damping rods 609 with two ends of the bottom of the first support plate 604, second sliding blocks 610 which are symmetrically distributed are arranged at positions, close to the bottom ends, of two sides of the damping seat 606, the bottom of each second sliding block 610 is slidably connected with the inner bottom end of the damping chamber 601, and the second sliding blocks 610 and the first sliding blocks 608 are connected with second damping rods 611.

Two ends of the first shock absorbing rod 609 are respectively hinged with the bottom of the first supporting plate 604 and the first sliding block 608, two ends of the second shock absorbing rod 611 are respectively hinged with the first sliding block 608 and the second sliding block 610, and a second shock absorbing spring 612 is fixed between the second sliding block 610 and the outer side wall of the shock absorbing seat 606. Through setting up damper 6, make the vibrations that the mining pump produced at the during operation transmit to damping plate 603 through fixed case 1, thereby drive second backup pad 605 downstream, thereby extrude first damping spring 607, make it produce deformation and realize the shock attenuation, first shock attenuation pole 609 drives first sliding block 608 and slides down simultaneously, make second shock attenuation pole 611 drive second sliding block 610 and slide in damping chamber 601, extrude second damping spring 612, make it produce deformation and further realize the shock attenuation, thereby make the vibration that the mining pump produced weaken, the stability of the device is improved, increase the work safety of mining pump.

The working principle is as follows:

when the sealing device is used, input pipes at two ends of a mining pump body 2 extend to the outside of a fixed box 1 through a first mounting groove 101, a rotating handle 307 is rotated to drive a first threaded rod 303 to rotate, so that two first sliding seats 304 are driven to be close to each other, a first sealing annular plate 306 is driven to be close to each other through a sliding rod 305, and the outer surface of the input pipes is clamped to seal; pulling the handle 404 pulls the pull rod 402 to drive the second sealing annular plate 403 to expand, an output pipe at the top of the production pump body 2 extends to the outside of the fixing box 1 through the second mounting groove 102, and the second sealing annular plate 403 clamps the output pipe under the action of the sealing spring 405 to seal;

the adjusting motor 507 is started to drive the second threaded rod 504 to rotate, the second threaded rod 504 is in threaded connection with the two second sliding seats 505 to drive the two second sliding seats 505 to approach or depart from each other, and the two connecting rods 506 are matched to drive the adjusting plate 503 to slide in the adjusting groove 502, so that the height of the mining pump can be adjusted conveniently, and the mining pump is convenient to use;

the vibrations that the mining pump produced during operation are transmitted to damping plate 603 through fixed case 1 to drive second backup pad 605 downstream, extrude first damping spring 607, make it produce deformation and realize the shock attenuation, first shock attenuation pole 609 drives first sliding block 608 and slides downwards simultaneously, make second damping rod 611 drive second sliding block 610 and slide in damping chamber 601, extrude second damping spring 612, make it produce deformation and further realize the shock attenuation, increase the work security of mining pump.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation and a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention. Furthermore, "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through two or more elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.