阅读说明：本技术 一种混凝土浇筑用自结网式散点内振球 (Self-netting type scattering point internal vibration ball for concrete pouring ) 是由 周德超 赵永 赵先峰 于 2020-07-22 设计创作，主要内容包括：本发明公开了一种混凝土浇筑用自结网式散点内振球,属于建筑技术领域,可以实现在混凝土浇筑过程中投入自结网式散点内振球,用来代替传统的混凝土振捣器对混凝土进行振捣,无需技术人员现场实际操作,与混凝土振捣器相比,自结网式散点内振球是在混凝土内部,依靠混凝土中的水分与水崩解振捣球发生崩解反应带来的高频震动,对混凝土进行高质量的振捣,同时在崩解时会释放大量的微小气泡,可以充当引气剂改善混凝土拌合物的和易性、保水性和粘聚性,提高混凝土流动性,并且在振动作用结束后通过释放出来的自硬化结网传振棒在混凝土内进行延伸,并依靠双磁网点球建立高强度的粘接,从而在混凝土形成补强网,配合内振球体显著提高混凝土的成型强度。(The invention discloses a self-netting type scattering point internal vibrating ball for concrete pouring, which belongs to the technical field of buildings, can realize that the self-netting type scattering point internal vibrating ball is put into the concrete pouring process to replace a traditional concrete vibrator to vibrate concrete without the on-site actual operation of technical personnel, compared with the concrete vibrator, the self-netting type scattering point internal vibrating ball is arranged in the concrete, vibrates the concrete with high quality by means of high-frequency vibration caused by disintegration reaction of water in the concrete and the water disintegration vibrating ball, releases a large amount of tiny bubbles during disintegration, can serve as an air entraining agent to improve the workability, water retention and cohesiveness of concrete mixtures and improve the fluidity of the concrete, and extends in the concrete through a released self-hardening netting vibration rod after the vibration action is finished, and establishes high-strength bonding by means of double magnetic net point balls, thereby forming a reinforcing net in the concrete and obviously improving the forming strength of the concrete by matching with the internal vibration ball body.)

1. The utility model provides a concrete placement is with loosing some internal vibration balls from net formula that ties which characterized in that: comprises an inner vibrating ball body (1), a plurality of water-disintegrating vibrating balls (5) which are evenly distributed are embedded and connected in the inner vibrating ball body (1), a plurality of water inlets (2) corresponding to the water-disintegrating vibrating balls (5) are arranged on the outer surface of the inner vibrating ball body (1), one end, away from the water inlets (2), of each water-disintegrating vibrating ball (5) is connected with a fixed magnet (6), a self-hardening netting vibration transmission rod (3) is connected on each fixed magnet (6), each self-hardening netting vibration transmission rod (3) penetrates through each water-disintegrating vibrating ball (5) and extends to the outer side of each water inlet (2), one end, away from each fixed magnet (6), of each self-hardening netting vibration transmission rod (3) is connected with a double-magnetic netting point ball (4) which is magnetically repelled by the fixed magnet (6), a plurality of steam escape holes (7) connected with the water-disintegrating vibrating balls (5) are also arranged on the outer surface of the inner vibrating ball body (1), and every group steam escape hole (7) ring array distributes in inlet opening (2) circumference, steam escape hole (7) are close to the port department of water disintegration vibrating ball (5) and are connected with waterproof ventilated membrane (8).

2. The self-tied type scattering internal vibrating ball for concrete pouring according to claim 1, wherein: the outside parcel of water disintegration tamping ball (5) has inflation cover (10), and inflation cover (10) and internal wall connection of spheroid (1) that shakes in, the mounting plate that blocks water (11) that polylith evenly distributed are all inlayed at both ends about inflation cover (10), and in mounting plate that blocks water (11) extended to water disintegration tamping ball (5).

3. The self-tied type scattering internal vibrating ball for concrete pouring according to claim 2, wherein: the left and right ends of the water-blocking fastening pieces (11) are distributed in the water-disintegrating vibrating ball (5) in a staggered manner, the water-blocking fastening pieces (11) extend to the central line of the water-disintegrating vibrating ball (5), and the self-hardening netting vibration transmission rod (3) spirally rises around the water-blocking fastening pieces (11) in the water-disintegrating vibrating ball (5).

4. The self-tied type scattering internal vibrating ball for concrete pouring according to claim 3, wherein: the self-hardening netting vibration transmission rod (3) comprises a self-straight base rod (31) and a self-hardening extension rod (32) which are connected with each other, the self-straight base rod (31) is positioned on the outer side of the water disintegration vibration ball (5) and extends out of the outer side of the water inlet hole (2), and the self-hardening extension rod (32) is embedded in the water disintegration vibration ball (5) and extends to the fixed magnet (6) to be connected with the fixed magnet.

5. The self-tied type scattering internal vibrating ball for concrete pouring according to claim 4, wherein: the self-hardening extension rod (32) comprises a plurality of turning blocks (321) and an isolation film roll (322) connected between the turning blocks (321), a stretch breaking pipe (323) is arranged in the isolation film roll (322), two ends of the stretch breaking pipe (323) are respectively connected with the two turning blocks (321), an internal hardening reactant (324) is filled in the stretch breaking pipe (323), and an external hardening reactant (325) is filled between the stretch breaking pipe (323) and the isolation film roll (322).

6. The self-tied type scattering internal vibrating ball for concrete pouring according to claim 5, wherein: the inner hardening reactant (324) and the outer hardening reactant (325) are made of two materials which react and harden rapidly after contacting, the turning block (321) is made of an elastic material, the isolation film roll (322) is made of a flexible material, and the stretch breaking pipe (323) is made of a brittle material.

7. The self-tied type scattering internal vibrating ball for concrete pouring according to claim 1, wherein: two magnetism net point balls (4) are including magnetism drive hemisphere (41) and connection hemisphere (43), magnetism drives hemisphere (41) and is connected between hemisphere (43) and be connected with magnetic shield (42), it has a plurality of evenly distributed's netting to trigger a section of thick bamboo (12) to connect hemisphere (43) in-connection, inlay in connecting hemisphere (43) and be connected with a plurality of and netting and trigger a section of thick bamboo (12) assorted and contain gluey sacculus (13), connect hemisphere (43) surface and set up a plurality of and glue outlet (14) that sacculus (13) are connected with containing.

8. The self-tied type scattering internal vibrating ball for concrete pouring according to claim 1, wherein: a net knotting trigger cylinder (12) internal sliding connection has friction ball cover (15), friction ball cover (15) internalization is inlayed and is had interior moving magnetic ball (16), friction ball cover (15) are kept away from net knotting trigger cylinder (12) diapire one end and are connected with many trigger needles (9).

9. The self-tied type scattering internal vibrating ball for concrete pouring according to claim 8, wherein: the friction ball sleeve (15) is made of friction materials, and the trigger needles (9) are distributed in a radial shape.

10. The self-tied type scattering internal vibrating ball for concrete pouring according to claim 1, wherein: the inner vibrating ball body (1) is made of high-strength materials, and the water disintegrating vibrating ball (5) is made of effervescent disintegrating agents.

Technical Field

The invention relates to the technical field of buildings, in particular to a self-netting type scattering point internal vibration ball for concrete pouring.

Background

The concrete pouring refers to a process of pouring concrete into a mold until the concrete is plasticized, in the civil engineering and building engineering, materials such as concrete are put into the mold to form a preset shape, the free height of the concrete is not more than 2m when the concrete is poured, and corresponding measures are taken when the free height of the concrete exceeds 3 m.

During the concrete pouring process, the concrete vibration is the most important part in ensuring the forming quality, and when the concrete is vibrated, the concrete pouring member mixed by a concrete mixer is required to remove air bubbles in the concrete and tamp the concrete so as to tightly combine the concrete, eliminate the phenomena of honeycomb pitted surface and the like of the concrete, improve the strength of the concrete and ensure the quality of the concrete member.

Carry out the used machines of mechanized tamping concrete and be the concrete vibrator, the kind of concrete vibrator is more, but the overwhelming majority concrete vibrator all needs the technical staff on the market to operate on the scene, technical staff's professional skill and physical requirement are examined very much on the one hand, artificially vibrate mostly and depend on directly perceived impression, often can appear leaking vibrating and smash regional or low quality region, this regional intensity is obvious not enough after the shaping, on the other hand has certain degree of difficulty and danger coefficient at site operation concrete vibrator, be difficult to guarantee technical staff's personal safety, the loss of manpower in addition to a certain extent, also mean construction cost's increase.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems in the prior art, the invention aims to provide a self-bonding net type scattering point internal vibrating ball for concrete pouring, which can be put into the self-bonding net type scattering point internal vibrating ball in the concrete pouring process to replace the traditional concrete vibrator to vibrate the concrete without the actual operation of technical personnel on site, compared with the concrete vibrator, the self-bonding net type scattering point internal vibrating ball is arranged in the concrete, the high-frequency vibration caused by the disintegration reaction of the water in the concrete and the water disintegration vibrating ball is utilized to vibrate the concrete with high quality, a large amount of micro bubbles are released during the disintegration, the self-bonding net type scattering point internal vibrating ball can be used as an air entraining agent to improve the workability, the water retention property and the cohesiveness of concrete mixtures, the concrete fluidity is improved, and the released self-curing net transmission rod extends in the concrete after the vibration action is finished, and high-strength bonding is established by means of the double-magnetic-dot ball, so that a reinforcing net is formed in the concrete, and the forming strength of the concrete is obviously improved by matching with the internal vibration ball.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

A self-netting type scattering internal vibrating ball for concrete pouring comprises an internal vibrating ball body, a plurality of water disintegration vibrating balls which are evenly distributed are embedded and connected in the internal vibrating ball body, a plurality of water inlet holes corresponding to the water disintegrating vibrating balls are arranged on the outer surface of the inner vibrating ball body, one end of each water disintegrating vibrating ball, far away from each water inlet hole, is connected with a fixed magnet, and the fixed magnet is connected with a self-hardening netting vibration transmission rod, and the self-hardening netting vibration transmission rod penetrates through the water disintegration vibration ball and extends to the outer side of the water inlet hole, one end of the self-hardening netting vibration transmission rod, which is far away from the immobile magnet, is connected with a double-magnetic net point ball which is magnetically repelled with the immobile magnet, the outer surface of the inner vibrating ball body is also provided with a plurality of groups of steam escape holes connected with the water disintegrating vibrating ball, and every group steam escape hole annular array distributes in inlet opening circumference, the port department that steam escape hole is close to water disintegration vibration ball is connected with waterproof ventilated membrane.

Further, the outside parcel of water disintegration tamping ball has the inflation cover, and inflation cover and the internal wall connection that shakes of internal vibration, the mounting plate that blocks water of polylith evenly distributed is all inlayed at the left and right both ends of inflation cover, and blocks water in the mounting plate extends to water disintegration tamping ball, the inflation cover can closely expand along with the consumption of water disintegration tamping ball all the time, thereby realize the fastening effect of continuation to water disintegration tamping ball, prevent the displacement that brings because of water disintegration tamping ball consumption, lead to partial self-hardening netting to pass the vibration stick and trigger the sclerosis action in advance, the mounting plate that blocks water then assists the inflation cover and play the reinforcing fastening effect to water disintegration tamping ball, can suitably delay the speed of disintegrating of water disintegration tamping ball simultaneously, thereby the extension is from the inside vibration effect time of ball at the concrete of nodal net formula scattering point internal vibration ball.

Furthermore, control both ends the mounting plate that blocks water distributes in water disintegration tamping ball crisscross, and the mounting plate that blocks water all extends the central line of water disintegration tamping ball, self-hardening netting biography vibration stick spirals around the water-blocking mounting plate in water disintegration tamping ball and rises, when improving to water disintegration tamping ball fastening strength, delays the speed of stretching to water disintegration interior moisture in the tamping ball, and self-hardening netting biography vibration stick can increase length in water disintegration tamping ball on the one hand, and on the other hand also can guide stretching of moisture, plays the effect of supplementary mounting plate that blocks water.

Furthermore, the self-hardening netting vibration transmission rod comprises a self-straight base rod and a self-hardening extension rod which are connected with each other, the self-straight base rod is positioned on the outer side of the water disintegration vibration ball and extends out of the outer side of the water inlet hole, the self-hardening extension rod is embedded in the water disintegration vibration ball and extends to the fixed magnet to be connected with the fixed magnet, the self-straight base rod is used for expanding the vibration action range in the initial state, and the self-hardening extension rod gradually expands and straightens and hardens along with the consumption of the water disintegration vibration ball to trigger the netting action.

Furthermore, the self-hardening extension rod comprises a plurality of turning blocks and an isolation film roll connected between the turning blocks, a pulling and splitting pipe is arranged in the isolation film roll, two ends of the pulling and splitting pipe are respectively connected with the two turning blocks, an internal hardening reactant is filled in the pulling and splitting pipe, an external hardening reactant is filled between the pulling and splitting pipe and the isolation film roll, the turning blocks can enable the self-hardening extension rod to be folded at the end points in the water-disintegration vibrating ball, meanwhile, the cracking action of the pulling and splitting pipe cannot be triggered in advance, the pulling and splitting pipe is easy to crack after being pulled, so that the internal hardening reactant inside the pulling and the external hardening reactant are released to carry out contact reaction, and the self-hardening extension rod exposed out of the water-disintegration vibrating ball part is forced to start hardening.

Furthermore, the inner hardening reactant and the outer hardening reactant are made of two materials which react and harden rapidly after contacting, the turning block is made of an elastic material, the isolating membrane roll is made of a flexible material, and the stretch-breaking pipe is made of a brittle material.

Furthermore, the double-magnetic-net-point ball comprises a magnetic drive hemisphere and a connecting hemisphere, a magnetic isolation plate is connected between the magnetic drive hemisphere and the connecting hemisphere, a plurality of uniformly distributed net trigger cylinders are connected in the connecting hemisphere, a plurality of rubber-containing saccules matched with the net trigger cylinders are embedded and connected in the connecting hemisphere, a plurality of glue outlets connected with the rubber-containing saccules are arranged on the outer surface of the connecting hemisphere, the magnetic drive hemisphere and the immobile magnet are mutually matched to utilize magnetic repulsion, on one hand, the double-magnetic-net-point ball is forced to pull the self-hardening net vibration rod to carry out net bonding action in concrete, on the other hand, the self-hardening extension rod exposed out of the water-disintegration vibration ball part is forced to trigger hardening action under the pulling action, the self-hardening extension rod is ensured to be rapidly stretched and hardened under the pulling action after being exposed out of the water-disintegration vibration ball, and the magnetic isolation plate plays a role in shielding the magnetic field of the immobile magnet and the magnetic drive hemisphere, the interference to the net tying action of the connecting hemisphere is avoided.

Further, sliding connection has the friction ball cover in the netting trigger section of thick bamboo, the activity is inlayed and is had interior dynamic magnetism ball in the friction ball cover, the friction ball cover is kept away from netting trigger section of thick bamboo diapire one end and is connected with many trigger needles, when two magnetism net point balls on adjacent internal vibration spheroid are close to, because the magnetic attraction effect between the interior dynamic magnetism ball, be close to each other and force the trigger needle to puncture the gluey sacculus that contains that corresponds and release inside gluing agent, form the bonding of high strength when two magnetism point balls contact, improve the intensity behind the netting to fully carry out the reinforcement effect to the concrete in inside.

Furthermore, the friction ball sleeve is made of friction materials, the triggering needles are distributed in a radial mode, a certain friction coefficient is formed between the friction ball sleeve and the netting triggering cylinder, the phenomenon that the friction ball sleeve freely moves in the netting triggering cylinder to trigger bonding action in advance is avoided, and the radial distribution characteristics of the triggering needles can ensure that the friction ball sleeve can accurately puncture the rubber-containing saccule even if slight movement deviation exists, and internal adhesive is released.

Further, the internal vibration spheroid adopts high strength material to make, the water disintegration ball that vibrates adopts the effervescent disintegrant to make, and the internal vibration spheroid directly buries in the concrete and can play local reinforcing effect, improves the mechanical strength in this region, and the water disintegration ball that vibrates is running into the moisture in the concrete after the reaction that disintegrates takes place fast, releases a large amount of gas to arouse the spheroidal high frequency vibrations of internal vibration, realize the effect of vibrating to the concrete, gaseous when escaping after the steam escape hole, form small bubble in the concrete and improve the performance of concrete.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

(1) the scheme can realize that the self-netting type scattering internal vibrating ball is put into the concrete pouring process to replace the traditional concrete vibrator to vibrate the concrete without the on-site actual operation of technical personnel, compared with the concrete vibrator, the self-connection net type scattering point internal vibrating ball is arranged in the concrete, and depends on the high-frequency vibration caused by the disintegration reaction between the moisture in the concrete and the water disintegration vibrating ball, the concrete is vibrated with high quality, and simultaneously, a large amount of micro bubbles can be released during disintegration, the micro bubbles can be used as an air entraining agent to improve the workability, water retention and cohesiveness of concrete mixture and improve the fluidity of the concrete, and after the vibration action is finished, the self-hardening netting vibration transmission rod released is extended in the concrete, and high-strength adhesion is established by means of the double-magnetic net-point balls, thereby forming a reinforcing net in the concrete and obviously improving the forming strength of the concrete by matching with the internal vibration ball body.

(2) The outside parcel of water disintegration ball of vibrating has the inflation cover, and inflation cover and the internal wall connection of spheroid that vibrates in, the mounting plate that blocks water of polylith evenly distributed is all inlayed at both ends about the inflation cover, and the mounting plate that blocks water extends to in the water disintegration ball of vibrating, the inflation cover can closely expand along with the consumption of water disintegration ball of vibrating all the time, thereby realize the fastening effect of continuation to the water disintegration ball of vibrating, prevent to appear because of the displacement that the water disintegration ball of vibrating consumed and bring, lead to partial self-hardening netting to pass the vibration stick to trigger the hardening action in advance, the mounting plate that blocks water then assists the inflation cover to play the reinforcing fastening effect to the water disintegration ball of vibrating, can suitably delay the speed of disintegrating of water disintegration ball of vibrating simultaneously, thereby the extension is from the net formula scattering point internal vibration ball at the inside vibration effect time of concrete.

(3) The fastening piece that blocks water of controlling both ends distributes in water disintegration tamping ball is crisscross, and the fastening piece that blocks water all extends the central line of water disintegration tamping ball, self-hardening netting biography vibration stick spirals around the fastening piece in water disintegration tamping ball and rises, when improving to water disintegration tamping ball fastening strength, delay the speed of stretching to water disintegration interior moisture in the tamping ball, self-hardening netting biography vibration stick can increase length in water disintegration tamping ball on the one hand, on the other hand also can guide stretching of moisture, play the effect of supplementary fastening piece that blocks water.

(4) The self-hardening netting vibration transmission rod comprises a self-straight base rod and a self-hardening extension rod which are connected with each other, the self-straight base rod is positioned on the outer side of the water disintegration vibration ball and extends out of the outer side of the water inlet hole, the self-hardening extension rod is embedded in the water disintegration vibration ball and extends to the fixed magnet to be connected with the self-hardening extension rod, the self-straight base rod is used for expanding the vibration action range in the initial state, and the self-hardening extension rod gradually expands and straightens and hardens along with the consumption of the water disintegration vibration ball to trigger the netting action.

(5) The self-hardening extension rod comprises a plurality of turning blocks and an isolating film roll connected between the turning blocks, a pulling and cracking tube is arranged in the isolating film roll, two ends of the pulling and cracking tube are respectively connected with the two turning blocks, an inner hardening reactant is filled in the pulling and cracking tube, an outer hardening reactant is filled between the pulling and cracking tube and the isolating film roll, the turning blocks can enable the self-hardening extension rod to be folded at the end points in the water disintegration vibrating ball, meanwhile, the cracking action of the pulling and cracking tube cannot be triggered in advance, the pulling and cracking tube is easy to crack after being pulled, so that the inner hardening reactant and the outer hardening reactant inside the self-hardening extension rod are released to carry out contact reaction, and the self-hardening extension rod at the part of the exposed water disintegration vibrating ball is forced to be hardened.

(6) The inner hardening reactant and the outer hardening reactant are made of two materials which react and harden quickly after contacting, the turning block is made of elastic material, the isolating membrane roll is made of flexible material, and the stretch-breaking pipe is made of brittle material.

(7) The double-magnetic-net-point ball comprises a magnetic drive hemisphere and a connecting hemisphere, a magnetic isolation plate is connected between the magnetic drive hemisphere and the connecting hemisphere, a plurality of uniformly distributed net-forming trigger cylinders are connected in the connecting hemisphere, a plurality of rubber-containing ball bags matched with the net-forming trigger cylinders are connected in the connecting hemisphere in an embedded mode, the outer surface of the connecting hemisphere is provided with a plurality of rubber outlets connected with the rubber-containing ball bags, the magnetic drive hemisphere and a fixed magnet are matched with each other to utilize a magnetic repulsion effect, on one hand, the double-magnetic-net-point ball pulling self-hardening net-forming vibration rod is forced to carry out net-forming action in concrete, on the other hand, the self-hardening extension rod exposed out of the water-disintegrating vibration ball part is forced to trigger hardening action under the pulling effect, the self-hardening extension rod is ensured to be rapidly tensioned and hardened under the pulling effect after being exposed out of the water-disintegrating vibration ball, the magnetic isolation plate plays a role in shielding the magnetic field of the fixed magnet and.

(8) Sliding connection has the friction ball cover in the netting triggers a section of thick bamboo, the interior activity of friction ball cover is inlayed and is had interior moving magnetic ball, the friction ball cover is kept away from the netting and is triggered a section of thick bamboo diapire one end and is connected with many trigger needles, shake two magnetic net point balls on the spheroid in adjacent when being close to, because the magnetic attraction effect between the interior moving magnetic ball, be close to each other and force the trigger needle to puncture the gluey sacculus that contains that corresponds and release inside gluing agent, form the bonding of high strength when two magnetic net point balls contact, improve the intensity behind the netting, thereby carry out the reinforcement effect in inside fully to the concrete.

(9) The friction ball sleeve is made of friction materials, the trigger needles are distributed in a radial mode, a certain friction coefficient is formed between the friction ball sleeve and the netting trigger cylinder, the phenomenon that the friction ball sleeve freely moves in the netting trigger cylinder to trigger bonding action in advance is avoided, and the radial distribution characteristics of the trigger needles can ensure that the friction ball sleeve can accurately puncture the rubber-containing saccule even if slight movement deviation exists, and internal adhesive is released.

(10) The internal vibrating spheroid adopts high strength material to make, the water disintegration ball that vibrates adopts the effervescent disintegrant to make, the internal vibrating spheroid directly buries and can play local reinforcing effect in the concrete, improve the mechanical strength in this region, the water disintegration ball that vibrates takes place the reaction of disintegrating after meetting the moisture in the concrete fast, release a large amount of gas, thereby arouse the high frequency vibrations of the internal vibrating spheroid, realize the effect of vibrating to the concrete, gaseous when escaping after the steam escape hole, form small bubble in the concrete and improve the performance of concrete.

Drawings

FIG. 1 is a schematic external view of the present invention;

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

FIG. 3 is a schematic view of the structure at A in FIG. 2;

FIG. 4 is a schematic structural view of a water-disintegrating vibrating ball portion of the present invention;

FIG. 5 is a schematic structural view of a self-hardening netting vibration bar of the present invention;

FIG. 6 is a schematic structural diagram of a dual magnetic halftone dot portion of the present invention;

fig. 7 is a schematic view of the internal structure of the netting trigger cylinder of the present invention.

The reference numbers in the figures illustrate:

1 internal vibration ball body, 2 water inlet holes, 3 self-hardening netting vibration transmission rod, 31 self-straight base rod, 32 self-hardening extension rod, 321 turning block, 322 isolating film roll, 323 tension tube, 324 internal hardening reactant, 325 external hardening reactant, 4 double-magnetic net point ball, 41 magnetic driving hemisphere, 42 magnetic isolation plate, 43 connecting hemisphere, 5 water disintegration vibration ball, 6 immobile magnet, 7 escape steam hole, 8 waterproof ventilated membrane, 9 trigger needle, 10 expansion sleeve, 11 water-blocking fastening sheet, 12 netting trigger cylinder, 13 glue-containing ball bag, 14 glue outlet, 15 friction ball sleeve and 16 internal dynamic magnetic ball.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.