CN214367729U - Sliding sealing structure - Google Patents

Abstract

The utility model discloses a sliding seal structure, include: the device comprises a top seat, a front baffle, a rear baffle, a left baffle, a right baffle and a lower baffle, wherein the front baffle, the rear baffle, the left baffle, the right baffle and the lower baffle are arranged below the top seat, the left baffle and the right baffle are expanded outwards and inclined downwards away from the center of the top seat from top to bottom, a gap is reserved between the front baffle and the lower baffle, a moving carrier is arranged in the gap, the front baffle and the lower baffle are respectively connected with the moving carrier, an avoidance groove is formed in the rear baffle, and the lower baffle is arranged in the avoidance groove in a penetrating manner; a hollow cavity for protecting a driving piece for driving the movable carrier to move is enclosed among the front baffle, the rear baffle, the left baffle, the right baffle, the lower baffle and the top seat; the left side and the right side of the lower baffle are respectively attached to the left baffle and the right baffle, a guide groove which is obliquely arranged and gradually enlarged from top to bottom is formed between the left baffle and the right baffle, and the cavity is always in a sealed state when the movable carrier moves; the cavity is still in a sealed state due to the movement of the lower baffle along with the moving carrier, so that the waterproof effect is achieved on the driving piece in the cavity.

Description

Sliding sealing structure

Technical Field

The utility model relates to a metal processing technology field, in particular to sliding seal structure.

Background

At present, a physical grinding and brushing mode is adopted for metal surface treatment, the grinding and brushing mode is usually carried out in a water environment in order to quickly remove substances brushed by a grinding and brushing roller, but a grinding and brushing roller is supported by a movable carrier to rotate, the movable carrier is supported by a supporting piece to keep the grinding and brushing roller not to be disengaged, and when the grinding and brushing roller needs to be replaced, the movable carrier is driven by a driving piece to move; however, the driving member is usually driven by the driving body, the driving body is an oil cylinder or a push rod motor, the driving member is a push rod of the oil cylinder or the push rod motor, the push rod itself and a joint of the push rod and the driving body need to be waterproof, a waterproof rubber sleeve is generally added, but along with the occurrence of aging or corrosion, the rubber sleeve is still capable of water inflow due to failure, so that the oil cylinder or the push rod motor serving as the driving body is damaged or the service life of the oil cylinder or the push rod motor is shortened.

Disclosure of Invention

The utility model discloses not enough to above-mentioned prior art provides a sliding seal structure, and this sliding seal structure closes through enclosing of each baffle and has formed a hollow cavity, and this seal structure sets movable to the baffle down, and the baffle makes the cavity still be in encapsulated situation along with the removal of removing the carrier down, has just so played waterproof effect to the driving piece that is in the cavity.

The technical scheme of the utility model is realized like this:

a sliding seal structure comprising: the upper parts of the left baffle and the right baffle are fixedly connected with the top seat, the left baffle and the right baffle are outwards expanded and downwards inclined away from the center of the top seat from top to bottom, the rear baffle is vertically arranged with the top seat, the front baffle is also vertically arranged with the top seat, a gap is reserved between the front baffle and the lower baffle, a movable carrier is arranged in the gap, the front baffle and the lower baffle are respectively connected with the movable carrier, the lower baffle is vertically arranged with the rear baffle, an avoiding groove for the lower baffle to slide is formed in the rear baffle, the shape of the avoiding groove is the same as the shape of the section of the lower baffle, and the lower baffle is arranged in the avoiding groove in a penetrating manner; a hollow cavity for protecting a driving piece for driving the movable carrier to move is enclosed among the front baffle, the rear baffle, the left baffle, the right baffle, the lower baffle and the top seat; the left side and the right side of the lower baffle are respectively attached to the left baffle and the right baffle, a guide groove which is obliquely arranged and gradually enlarged from top to bottom is formed between the left baffle and the right baffle, and the cavity is always in a sealing state when the movable carrier moves.

Preferably, the lower baffle comprises a base plate in the middle and V-shaped baffles symmetrically arranged at the left end and the right end of the base plate, the opening of each V-shaped baffle faces downwards, each V-shaped baffle comprises a first extension plate and a second extension plate, the upper ends of the first extension plate and the second extension plate are fixedly connected to form an inverted V-shaped included angle, the lower end of the second extension plate is fixedly connected with the side edge of the base plate, sliding attachment plates extend from the lower ends of the left baffle and the right baffle to the middle of the protective cover obliquely upwards respectively, a V-shaped outer protection groove is formed between each sliding attachment plate and the adjacent left baffle or right baffle, and the first extension plate is inserted into the outer protection groove and attached to the sliding attachment plates. Due to the design, the sealing of the inner space of the cavity is protected doubly, the first extending plate is attached to the sliding attaching plate, so that the lower baffle plate is sealed with the left baffle plate and the right baffle plate, the upper ends of the sliding attaching plate extending out of the left baffle plate and the right baffle plate are attached to and contacted with the V-shaped partition plate, and an inclined angle is formed between the attaching surfaces of the left baffle plate and the right baffle plate and the horizontal plane, so that the flow guide effect is achieved; the driving piece is hidden between the two V-shaped partition plates, and the V-shaped partition plates are higher than the base plate to form a hidden groove, so that water sealing protection is formed.

Preferably, the diversion trench is an inverted V-shaped launder formed between the joint of the first extension plate and the sliding attachment plate and the second extension plate. The water drops naturally slide along the groove surface when splashing to the diversion trench to form first heavy sealing protection.

Preferably, the outer protection groove of the V-shaped partition forms a first protection groove, and the inner protection groove formed between the base plate and the two V-shaped partition plates forms a second protection groove. The shape of the lower baffle and the matching of the lower baffle and the left baffle and the right baffle form three protection grooves in the cavity, even if moisture breaks through the diversion trench and enters the cavity, the moisture can enter the outer protection groove firstly, the outer protection groove is positioned beside the V-shaped partition plate, and the driving piece is positioned in the inner protection groove formed by the V-shaped partition plate and the base plate, so that triple protection is formed; not only the sliding of the lower baffle is not hindered, but also the sealing is obtained during the moving process.

Preferably, the driving part is a movable push rod, the push rod is connected with a push rod motor, the push rod motor main body is arranged outside the rear baffle, and a protective sleeve is arranged at the joint of the push rod motor main body and the push rod. The push rod motor main part is outside the protection casing, and the junction of push rod motor main part and backplate can set up the seal cover in order to seal, prevents that moisture from getting into.

Adopted above-mentioned technical scheme the utility model discloses a design departure point, theory and beneficial effect are:

1. the sliding sealing structure forms a hollow cavity by enclosing of the baffles, the sealing structure sets the baffles into a fixed type, the lower baffles into a movable type, and the lower baffles enable the cavity to be still in a sealing state along with the movement of the movable carrier, so that a waterproof effect is achieved on the driving part in the cavity.

2. The left side and the right side of the baffle plate are respectively attached to the left baffle plate and the right baffle plate, and an inclined diversion trench is formed between the baffle plate and the left baffle plate and between the baffle plate and the right baffle plate, water drops naturally slide down along the trench surface when splashing to the diversion trench, and a heavy seal protection is formed, so that water is not easy to enter the first protection trench from a gap of a contact surface.

3. The shape design of baffle down is two V-arrangement baffles that the opening down set up for left and right interval for its cooperation with left and right baffle makes formed the twice protection groove in the cavity, even if have moisture to enter into the cavity also can enter into first protection inslot earlier, and first protection groove is in V-arrangement baffle side, and the push rod has the V-arrangement baffle to block, consequently has formed duplicate protection.

Drawings

FIG. 1 is a side view of a movable bearing seat in an operating position according to embodiment 1;

FIG. 2 is a schematic perspective view of the movable bearing seat of embodiment 1 in an operating position;

FIG. 3 is a sectional view showing the fitting among the slider, the rail seat and the locking piece in embodiment 1;

fig. 4 is a schematic perspective view of the slide block and the locking block in embodiment 1;

FIG. 5 is a sectional view showing the engagement of the slider with the locking block in embodiment 1;

FIG. 6 is a schematic perspective view of the slide block and the slide rail seat in accordance with embodiment 1;

FIG. 7 is a schematic perspective view of the embodiment 1 in which the push rod connects the slide block and the locking block via the support;

fig. 8 is a first perspective view illustrating the positions of the protective cover and the slide rail seat in embodiment 1;

fig. 9 is a schematic perspective view of the position of the protective cover and the slide rail seat in embodiment 1;

FIG. 10 is a schematic perspective view showing the structure of the movable front baffle, the lower baffle and the sliding seal block mounted on the movable bearing block in embodiment 1;

FIG. 11 is a schematic perspective view of the shield according to example 1;

FIG. 12 is a schematic perspective view showing the arrangement of the left, right and rear fenders and the fixed front fender and the slide rail seat in embodiment 1;

FIG. 13 is a schematic view of the scale breaking roller in the working state and the protective cover opened in the embodiment 1;

FIG. 14 is a schematic plan view showing a fitting structure of a lower baffle plate and left and right baffle plates in embodiment 1;

FIG. 15 is a schematic perspective view of the shield according to embodiment 2;

FIG. 16 is a schematic perspective view showing the assembly of the left, right and rear fenders and the fixed front fender with the slide rail seat in embodiment 2;

FIG. 17 is a schematic view showing the structure of a push rod in a lower baffle plate in embodiment 2;

FIG. 18 is a schematic structural view showing a slide fit of a lower baffle plate and a back baffle plate in embodiment 2;

fig. 19 is a schematic structural view of the sliding fitting of the lower baffle plate and the tailgate escape groove in embodiment 2;

FIG. 20 is a schematic view showing the structure of the lower baffle plate, the left baffle plate and the right baffle plate in embodiment 2;

fig. 21 is a plan view schematically showing the fitting of the lower baffle plate to the left and right baffle plates in embodiment 2.

The figures are numbered: a work roll stand 1; a slide rail seat 2; a slider 3; a locking block 4; an elastic drive mechanism 5; a scale breaking roller 6; a fixed bearing seat 7; a movable bearing support 8; a dovetail groove 9; a first inclined surface 10; a top surface 11; a flat groove 12; a chute 13; a second inclined surface 14; a support lug 15; a support 16; a push rod motor 17; a push rod 18; a spring 19; a slide bar 20; a first circular hole 21; a limit nut 22; a connecting rod 23; a thick rod 24; a threaded rod 25; a second circular hole 26; a lock nut 27; a protective cover 28; a front baffle 29; a tailgate 30; a left baffle plate 31; a right baffle 32; a lower baffle 33; a fixed front baffle 34; moving the front baffle 35; an avoidance slot 36; a concave circular arc opening 37; an arc boss 38; a fixed seal block 39; a sliding seal block 40; a holder 41; a base plate 341; a U-shaped spacer 342; an upper plate 3421; a first droop plate 3422; a second droop plate 3423; a transition plate 312; a slide support plate 313; a partition groove 3131; a second protection groove 3132; a V-shaped baffle 343; a first extension plate 3431; a second extension plate 3432; a slide-bonded plate 311; an outer protective groove 3111; an inner protective groove 3112; guiding gutter 3113.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

In the description of the present invention, the term "at least one" means one or more unless explicitly defined otherwise. The terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The specific implementation manner of the utility model is as follows:

example 1: the utility model provides a sliding sealing structure which is an important component of a movable bearing seat propping mechanism; as shown in fig. 1-14, the movable bearing seat tightening mechanism includes a work roll seat 1, a slide rail seat 2, a slide block 3, a locking block 4 and an elastic driving mechanism 5; the slide rail seat 2 is a top seat in the slide sealing structure.

The working roller seat 1 is used for installing a descaling roller 6 for descaling, a fixed bearing seat 7 and a movable bearing seat 8 are respectively arranged at two ends of the working roller seat 1, and the movable bearing seats are movable carriers in a sliding sealing structure; the scale breaking roller 6 is worn in the working process, when the scale breaking roller 6 is worn until the rust removing effect does not meet the processing requirement, a new scale breaking roller 6 needs to be replaced, and the working roller seat 1 is separated from or jointed with the scale breaking roller 6 by moving the bearing seat 8 away from or close to the fixed bearing seat 7 so as to achieve the purpose of roller replacement.

Specifically, a slide rail seat 2 is fixedly connected below a working roller seat 1, a sliding groove is formed below the slide rail seat 2, a sliding block 3 is connected with the slide rail seat 2, the sliding block 3 slides in the sliding groove, a movable bearing seat 8 is installed on the sliding block 3, the rear end of the sliding block 3 is connected with an elastic driving mechanism 5, and the elastic driving mechanism 5 drives the sliding block 3 to move along the sliding groove; when a new scale breaking roller 6 needs to be installed, the elastic driving mechanism 5 drives the sliding block 3 to move forwards along the sliding chute and drives the movable bearing seat 8 to be close to the fixed bearing seat 7, the scale breaking roller 6 is installed on the working roller seat 1 until a preset position is reached, and the shaft heads at two ends of the scale breaking roller 6 are respectively installed in the movable bearing seat 8 and the fixed bearing seat 7; when the old scale breaking roller 6 needs to be replaced, the elastic driving mechanism 5 drives the sliding block 3 to move backwards along the sliding groove and drives the movable bearing seat 8 to be far away from the fixed bearing seat 7 until the shaft head of the scale breaking roller 6 is separated from the movable bearing seat 8.

In order to prevent the slide block 3 from shaking and abrasion between the slide block 3 and the slide rail seat 2 caused by the high-speed rotation of the scale breaking roller 6, a locking block 4 is additionally arranged between the slide rail seat 2 and the slide block 3 to lock the slide block 3 and the slide rail seat 2.

In order to make the locking effect better, the following design is made:

as shown in fig. 3-6 and 8, the locking block 4 is configured to lock the slide block 3 and the slide rail seat 2, the locking block 4 is inserted between the slide block 3 and the slide rail seat 2, and the locking block 4 and the slide block 3 are pressed tightly by the inclined surface press fit to lock the slide block 3 and the slide rail seat 2.

The locking block 4 is a piece of inclined iron, and a first inclined plane 10 is formed on the bottom surface of the locking block 4; the downward groove wall of the sliding groove of the sliding rail seat 2 is a top surface 11, the top surface 11 is in contact with the upper surface of the sliding block 3, grooves along the moving direction of the sliding block 3 are correspondingly formed in the middle of the top surface 11 and the upper surface of the sliding block 3 and are respectively called a flat groove 12 and a chute 13, and the locking block 4 is embedded in the flat groove 12 and the chute 13; the chute 13 inclines downwards from front to back, a second inclined surface 14 is formed on the upper end surface of the sliding block 3 corresponding to the locking block 4, namely the upward chute wall of the chute 13 is the second inclined surface 14, and the first inclined surface 10 is abutted and matched with the second inclined surface 14; the sliding groove is a dovetail groove 9, the sliding block 3 is a trapezoidal sliding block 3 corresponding to the dovetail groove 9, and the sliding block 3 is hung on the sliding rail seat 2 through the dovetail groove 9.

After the new scale breaking roller 6 is installed in the movable bearing seat 8, the locking block 4 continuously penetrates into the flat groove 12 and the inclined groove 13, the locking block 4 and the slide rail seat 2 as well as the locking block 4 and the slide block 3 are extruded, the slide rail seat 2 and the slide block 3 are separated up and down, however, the slide block 3 is supported by the inclined surface of the dovetail groove 9 and blocks the slide block 3 from being separated, extrusion is also generated between the slide block 3 and the inclined surface of the dovetail groove 9, the slide block 3 is locked on the slide rail seat 2 and cannot move, the maximum static friction force which can be reached between contact surfaces which generate extrusion is increased, and the slide block 3 is further locked to move.

The locking block 4 and the sliding block 3 are both driven by an elastic driving mechanism 5, the elastic driving mechanism 5 is connected to the locking block 4 and the sliding block 3 and drives the locking block 4 and the sliding block 3 to move forwards to a preset position along the sliding rail seat 2 together, and elasticity is generated to keep the trend of continuously pushing the sliding block 3 forwards, specifically:

as shown in fig. 6 and 7, the elastic driving mechanism 5 includes a support 16 with two support lugs 15 and a push rod motor 17 as a power source, the push rod motor 17 is an electric push rod, the push rod motor 17 is connected with a push rod 18 capable of extending and retracting, the push rod 18 is a driving member in a sliding sealing structure, one end of the push rod motor 17 is hinged with a support 41 extending from the work roller seat 1, one end of the push rod 18 is hinged with the support lug 15, the support 16 is connected with the slider 3 through a slide rod 20 sleeved with a spring 19, the support 16 outside the two support lugs 15 is provided with a first round hole 21 for the slide rod 20 to pass through, one end of the slide rod 20 is fixedly connected to the rear end of the slider 3, the other end of the slide rod 20 is provided with an external thread, and the end passes through the support 16 through the first round hole 21 and is connected with a limit nut 22; the spring 19 is positioned between the support 16 and the sliding block 3, a section of sliding rod 20 where the spring 19 is positioned is a polished rod, and the support 16 can slide along the section of sliding rod 20; in the inactive state, the spring 19 is in a compressed state, the spring 19 bearing against the slider 3 and the abutment 16, so that the abutment 16 bears against the limit nut 22.

The rear end of the locking block 4 is fixedly provided with a connecting rod 23 which comprises a thick rod 24 and a threaded rod 25 with the diameter smaller than that of the thick rod 24, namely the threaded rod 25 is a necking section at one end of the connecting rod 23; a second round hole 26 for the threaded rod 25 to pass through is formed in the support 16 between the two support lugs 15, and the diameter of the thick rod 24 is larger than that of the second round hole 26; the threaded rod 25 passes through the support 16 through the second circular hole 26 and is connected with a locking nut 27, and after the locking nut 27 is screwed, the support 16 is clamped by the locking nut 27 and the thick rod 24, so that the rigid connection between the locking block 4 and the support 16 is completed.

When a new scale breaking roller 6 needs to be replaced, the spring 19 is in a compressed state, and the elastic force generated by the spring 19 due to compression is larger than the friction force between the slide block 3 and the sliding groove, so the push rod 18 pushes the slide block 3 and the locking block 4 to move towards the scale breaking roller 6 synchronously along the sliding groove, when the shaft head of the scale breaking roller 6 is successfully installed in the movable bearing seat 8, the push rod 18 continues to push forwards, the slide block 3 is subjected to the reaction force from the scale breaking roller 6 and cannot be pushed by the push rod 18 continuously, but the reaction force is larger than the elastic force of the spring 19 at the moment, the spring 19 is compressed, so that the locking block 4 moves forwards relative to the slide block 3, the locking block 4 extends forwards into the flat groove 12 and the inclined groove 13, and the slide block 3 is locked with the slide rail seat 2, and the slide block 3 cannot shake due to high-speed rotation of the scale breaking roller 6; when the old scale breaking roller 6 needs to be replaced, the push rod 18 firstly pulls out the locking block 4 until the spring 19 recovers to the initial compression amount, the push rod 18 continuously pulls the support 16 backwards, and the support 16 pushes the limiting nut 22 and the locking nut 27 so as to drive the sliding block 3 and the locking block 4 to move backwards and away from the scale breaking roller 6 together until the shaft head of the scale breaking roller 6 is pulled out of the movable bearing seat 8.

Because the descaling roll 6 needs to spray water on a steel plate or a steel wire waiting for processing materials to flush impurities during operation, in order to prevent water mist or water flow from entering the main body of the push rod motor 17 through the push rod 18 to cause short circuit or damage, and further prevent the water mist from entering the sliding chute and the sliding block 3 to cause rusting and aging, a protective cover 28 is arranged around the sliding rail seat 2, the push rod 18 is positioned in the protective cover 28, and the sliding rail seat 2, the sliding block 3 and the push rod 18 can be sealed during the operation of the descaling roll 6.

As shown in fig. 8-14, the protecting cover 28 includes a front baffle 29, a rear baffle 30, a left baffle 31, a right baffle 32 and a lower baffle 33, and the push rod 18 extends into the protecting cover 28 from the rear baffle 30 and is located at the upper end of the lower baffle 33; the front baffle 29 comprises a fixed front baffle 34 and a movable front baffle 35, the left baffle, the right baffle, the rear baffle and the fixed front baffle 34 are respectively fixedly connected to the slide rail seat 2 through bolts, the front end of the lower baffle 33 is abutted against the movable bearing seat 8 and then fixedly connected, and the rear end of the movable front baffle 35 is abutted against the movable bearing seat 8 and then fixedly connected, and moves along with the movement of the slide block 3; an avoiding groove 36 for the lower baffle 33 to slide is formed in the rear baffle 30, and when the sliding block 3 retracts, a longer part of the lower baffle 33 protrudes out of the rear baffle 30; in order to prevent the scale breaking roller 6 from colliding with the protective cover 28, an upper concave arc opening 37 for the scale breaking roller 6 to enter and exit is formed below the fixed front baffle 34, and an arc boss 38 is arranged at a position, corresponding to the upper concave arc opening 37, of the movable front baffle 35, so that when the scale breaking roller 6 works, namely the movable front baffle 35 is attached to the fixed front baffle 34, the arc boss 38 blocks the upper concave arc opening 37, and water mist or water vapor is prevented from entering the protective cover 28.

More specifically, the lower baffle 33 and the left and right baffles 31 and 32 are sealed as follows: the lower baffle plate 33 comprises a base plate 341 in the middle and U-shaped partition plates 342 symmetrically arranged at the left and right ends of the base plate 341, the opening of the U-shaped partition plate 342 is downward, the U-shaped partition plate 342 comprises an upper plate 3421, and a first hanging plate 3422 and a second hanging plate 3423 which extend downward from the left and right ends of the upper plate 3421, the upper plate 3421 and the base plate 341 are staggered in the left and right direction and are parallel, and the lower end of the second hanging plate 3423 is fixedly connected with the side edge of the base plate 341; the lower ends of the left and right baffles 31 and 32 extend horizontally to the middle of the shield to form a transition plate 312, the side edge of the transition plate 312 close to the base plate 341 extends upwards to form a sliding support plate 313, a partition groove 3131 is formed between the sliding support plate 313 and the adjacent left baffle 31 or right baffle 32, and the first hanging plate 3422 is inserted into the adjacent partition groove 3131 and attached to the sliding support plate 313.

When the movable bearing pedestal 8 moves, the lower baffle 33 synchronously moves along with the movement, and the first hanging plate 3422 is always attached to the sliding support plate 313 in the moving process; the partition groove 3131 forms a first protection groove, a second protection groove 3132 is formed between the base plate 341 and the two U-shaped partition plates 342, and the push rod 18 is located in the second protection groove 3132 and suspended above the base plate 341.

Sealing blocks are arranged at gaps around the slide rail seat 2, each sealing block comprises a fixed sealing block 39 and a sliding sealing block 40, the fixed sealing blocks 39 are arranged above the slide rail seat 2 along the contour of the upper surface of the slide rail seat 2, and the fixed sealing blocks 39 are fixedly connected with the slide rail seat 2 and the working roller seat 1 so as to fill gaps between the upper part of the slide rail seat 2 and the working roller seat 1; the sliding seal block 40 is arranged between the sliding block 3 and the sliding rail seat 2, and the sliding seal block 40 moves along with the left baffle and the right baffle attached to the sliding block 3 so as to fill gaps between the sliding block 3 and the left baffle 31 and the right baffle 32.

Example 2: the embodiment 2 adopts another sliding sealing mode, the rest parts are the same as the embodiment 1, and the specific implementation mode is as follows: as shown in fig. 15-21, the lower baffle 33 includes a base plate 341 in a middle position and V-shaped partitions 343 symmetrically disposed at left and right ends of the base plate 341, the V-shaped partitions 343 have openings facing downward, the V-shaped partitions 343 include a first extension plate 3431 and a second extension plate 3432, and the first extension plate 3431 is fixed to an upper end of the second extension plate 3432 to form an inverted V-shaped included angle.

The lower end of the second extension plate 3432 is fixedly connected with the side edge of the base plate 341; the lower ends of the left baffle 31 and the right baffle 32 extend out of a sliding joint plate 311 towards the middle of the protective cover obliquely upwards respectively, a V-shaped outer protection groove 3111 is formed between the sliding joint plate 311 and the adjacent left baffle 31 or right baffle 32 respectively, and the outer protection groove 3111 forms a first protection groove; the first extension plate 3431 is inserted into the adjacent outer protection groove 3111 and attached to the sliding attachment plate 311, an inverted V-shaped diversion groove 3113 is formed between the attachment position of the first extension plate 3431 and the sliding attachment plate 311 and the second extension plate 3432, and water drops naturally slide down along the groove surface when splashing on the diversion groove 3113 to form a second protection groove; the first extension plate 3431 is always attached to the sliding attachment plate 311 during the movement; an inner protective groove 3112 formed between the base plate 341 and the two V-shaped partition plates 343 is used as a third protective groove; when the movable bearing base 8 is moved, the lower baffle 33 follows the movement synchronously, and the push rod 18 is located in the inner protective groove 3112 and suspended above the base plate 341.

Claims (5)

1. A sliding seal structure characterized by comprising: the upper parts of the left baffle and the right baffle are fixedly connected with the top seat, the left baffle and the right baffle are outwards expanded and downwards inclined away from the center of the top seat from top to bottom, the rear baffle is vertically arranged with the top seat, the front baffle is also vertically arranged with the top seat, a gap is reserved between the front baffle and the lower baffle, a movable carrier is arranged in the gap, the front baffle and the lower baffle are respectively connected with the movable carrier, the lower baffle is vertically arranged with the rear baffle, an avoiding groove for the lower baffle to slide is formed in the rear baffle, the shape of the avoiding groove is the same as the shape of the section of the lower baffle, and the lower baffle is arranged in the avoiding groove in a penetrating manner; a hollow cavity for protecting a driving piece for driving the movable carrier to move is enclosed among the front baffle, the rear baffle, the left baffle, the right baffle, the lower baffle and the top seat; the left side and the right side of the lower baffle are respectively attached to the left baffle and the right baffle, a guide groove which is obliquely arranged and gradually enlarged from top to bottom is formed between the left baffle and the right baffle, and the cavity is always in a sealing state when the movable carrier moves.

2. The sliding seal structure according to claim 1, characterized in that: the lower baffle comprises a base plate in the middle and V-shaped baffles symmetrically arranged at the left end and the right end of the base plate, the openings of the V-shaped baffles face downwards, each V-shaped baffle comprises a first extension plate and a second extension plate, the upper ends of the first extension plate and the second extension plate are fixedly connected to form an inverted V-shaped included angle, the lower ends of the second extension plates are fixedly connected with the side edge of the base plate, sliding joint plates extend from the lower ends of the left baffle and the right baffle to the middle of the protective cover obliquely upwards respectively, a V-shaped outer protective groove is formed between each sliding joint plate and the adjacent left baffle or right baffle, and the first extension plates are inserted into the outer protective grooves and are jointed with the sliding joint plates.

3. The sliding seal structure according to claim 2, characterized in that: the diversion trench is an inverted V-shaped water flowing groove formed between the first extension plate and the joint of the sliding attaching plate and the second extension plate.

4. The sliding seal structure according to claim 3, wherein: the diversion trench forms a first protection trench, the outer protection trench forms a second protection trench, and a third protection trench is formed between the base plate and the two V-shaped partition plates.

5. The sliding seal structure according to claim 1, characterized in that: the driving piece is a movable push rod, the push rod is connected with a push rod motor, a push rod motor main body is arranged outside the rear baffle, and a protective sleeve is arranged at the joint of the push rod motor main body and the push rod.

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