Bathtub with integrated support and apron board framework

Abstract

The invention belongs to the technical field of sanitary products, particularly relates to a bathtub with a support integrated with an apron board framework, and aims to solve the problem of poor stability of leveling measures of an existing bathtub with the support integrated with the apron board framework. The bathtub comprises a bathtub body and four tubular columns, the four tubular columns are mutually symmetrical, the tubular columns are located outside the bathtub body, the outer portions of the tubular columns are fixedly connected with a first connecting rod and a second connecting rod which are mutually symmetrical, and the first connecting rod and the second connecting rod are fixedly connected with the outer portions of the adjacent tubular columns. According to the bathtub with the support and the apron board framework integrated, the leveling posture of the bathtub body can be effectively locked after the bathtub body is leveled, and therefore in the using process of the bathtub body, the situation that the leveling posture of the bathtub body is deformed or even the bathtub body is unstable due to load bearing is avoided; the stability and the use function of the bathtub body are greatly improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of bathroom products, and particularly relates to a bathtub with a support and a skirt frame integrated. BACKGROUND

[0002] A bathtub is a plumbing fixture for bathing or showering, usually installed in a private bathroom. Most modern bathtubs are made of acrylic or fiberglass, but tubs have also been made of porcelain, steel, and other materials. Most bathtubs are rectangular and often have a flat bottom and low sides (known as 'full' tubs). Some bathtubs have high sides or are shaped like a circle or oval (known as'soaker' tubs).

[0003] The existing bathtub with a support and a skirt frame integrated is too simple in the leveling process of the bathtub, which causes the leveling measure to deform and fail due to the weight of the bathtub in the subsequent use process, thereby affecting the use function of the bathtub. SUMMARY

[0004] The present application discloses a bathtub with a support and a skirt frame integrated, which aims to solve the technical problem of poor stability of the leveling measure of the existing bathtub with a support and a skirt frame integrated in the background art.

[0005] The bathtub with a support and a skirt frame integrated provided by the present application comprises a bathtub body; Four pipe columns, the four pipe columns are symmetrical to each other, the pipe columns are located outside the bathtub body, and the outside of the pipe columns is fixedly connected with two symmetrical connecting rods one and connecting rods two, the connecting rods one and the connecting rods two are fixedly connected with the outside of the adjacent pipe columns; A skirt one, the skirt one is located outside the bathtub body, and the upper side of the skirt one is attached to the outside of the bathtub body; A skirt two, the skirt two is located outside the bathtub body, the upper side of the skirt two is attached to the outside of the bathtub body, and the skirt two is attached to the opposite side, and the skirt one and the skirt two are located outside the pipe columns; Four leveling and stabilizing modules, the four leveling and stabilizing modules are respectively connected with the bottom of the four pipe columns, and the leveling and stabilizing modules are used for locking the posture of the bathtub body after the bathtub body is leveled.

[0006] In a preferred scheme, the leveling stabilizing module comprises a ball seat, the bottom of each of the four pipe columns is fixedly connected with a ball seat, the inner wall of the ball seat is provided with a ball head, the outer part of the ball head is fixedly connected with a support rod, and the bottom of the support rod is movably connected with a threaded rod, the outer part of the threaded rod is rotatably connected with a stabilizing seat through external threads; the bottom of each of the four stabilizing seats is fixedly connected with a rubber pad, the outer part of the threaded rod is provided with a rotating seat, the outer part of the rotating seat is fixedly connected with a knob, and four circumferentially equidistant curved grooves are formed in the outer part of the rotating seat; each of the four rotating seats is movably connected with the side opposite to the stabilizing seat on the same side, the outer part of the rotating seat is slidably connected with a sleeve, four circumferentially equidistant circular holes are formed in the sleeve, a ball is slidably connected in each of the circular holes, the outer part of the ball is in contact with the inner wall of the curved groove on the same side, and the inner wall of the sleeve is fixedly connected with the outer part of the stabilizing seat on the same side; the outer part of each of the four sleeves is slidably connected with an adjusting ring, an annular groove one is formed in the inner wall of the adjusting ring, a fixing ring is fixedly connected with the outer part of the sleeve, a spring is fixedly connected with the side of the fixing ring close to the stabilizing seat, and the end of the spring away from the fixing ring is fixedly connected with the inner wall of the annular groove one on the same side; an annular groove two is formed in the inner wall of each of the four adjusting rings, the inner wall of the annular groove two is in contact with the outer part of the ball on the same side, a tapered groove is formed in the inner wall of the side of the annular groove two close to the stabilizing seat, and a hidden fixing module is arranged on the pipe column.

[0007] In a preferred scheme, the hidden fixing module comprises a sleeve, a circular groove is formed in each of the four pipe columns, a sleeve is fixedly connected in the circular groove, the outer part of the sleeve is slidably connected with an insertion pipe, the outer part of the insertion pipe is in sliding contact with the inner wall of the circular groove on the same side, and the side of the insertion pipe opposite to the sleeve is fixedly connected with the apron one or the apron two on the same side; a plurality of circumferentially equidistant connecting rods are fixedly connected with the side of the insertion pipe close to the sleeve, the same abutting ring is fixedly connected with the side of the connecting rod away from the insertion pipe, the inner wall of the abutting ring is slidably connected with the outer part of the sleeve, the side of the abutting ring opposite to the sleeve is abutted, a sliding rod is slidably connected in the sleeve, and a short rod is movably connected with the side of the sliding rod away from the sleeve; an L-shaped groove is formed in each of the four sleeves, a limiting block is clamped in the L-shaped groove, the side of the limiting block opposite to the short rod on the same side is fixedly connected, a pull ring is fixedly connected with the side of the short rod away from the sliding rod, and four circumferentially equidistant narrow grooves are formed in the sleeve; a locking plate is slidably connected in each of the narrow grooves, a circular rod is fixedly connected with the inner wall of the narrow groove, the outer part of the circular rod is movably connected with one end of the locking plate, a torsion spring is arranged between the locking plate and the circular rod, the end of the locking plate away from the torsion spring is fixedly connected with a push-pull plate, the end of the push-pull plate away from the locking plate is movably connected with the outer part of the sliding rod on the same side, and the outer part of the locking plate is abutted with the outer part of the abutting ring on the same side.

[0008] From the above, the bath provided by the application has the advantages that the bath body can be effectively locked in the leveling posture after the leveling of the bath body is completed, so that the deformation of the leveling posture of the bath body caused by the bearing during the use of the bath body is avoided, and even the instability of the bath body is avoided, and the stability and the use function of the bath body are greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0009] Figure 1 The whole structure schematic view of the bath with the support and apron frame integrated provided by the application is shown in the figure. Figure 2 The explosion structure schematic view of the bath with the support and apron frame integrated provided by the application is shown in the figure. Figure 3 The leveling stable module structure schematic view of the bath with the support and apron frame integrated provided by the application is shown in the figure. Figure 4 The rotating seat structure schematic view of the bath with the support and apron frame integrated provided by the application is shown in the figure. Figure 5 The adjusting ring structure schematic view of the bath with the support and apron frame integrated provided by the application is shown in the figure. Figure 6 The hidden fixing module structure schematic view of the bath with the support and apron frame integrated provided by the application is shown in the figure. Figure 7 The sleeve and sliding rod structure schematic view of the bath with the support and apron frame integrated provided by the application is shown in the figure.

[0010] In the figure: 1, bath body; 2, apron one; 3, apron two; 4, pipe column; 5, connecting rod one; 6, connecting rod two; 7, leveling stable module; 701, ball seat; 702, ball head; 703, support rod; 704, threaded rod; 705, stable seat; 706, rubber pad; 707, rotating seat; 708, sleeve; 709, ball; 710, adjusting ring; 711, annular groove one; 712, spring; 713, annular groove two; 714, conical groove; 715, knob; 716, fixing ring; 717, curved groove; 8, hidden fixing module; 801, sleeve; 802, insertion pipe; 803, connecting rod; 804, fitting ring; 805, narrow groove; 806, sliding rod; 807, short rod; 808, pull ring; 809, limiting block; 810, L-shaped groove; 811, locking plate; 812, torsional spring; 813, push-pull plate. DETAILED DESCRIPTION

[0011] The technical solutions in the embodiments of the application will be clearly and completely described below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application.

[0012] The support and apron frame integrated bathtub disclosed by the application mainly applies to the scene where the stability of the leveling measure of the existing support and apron frame integrated bathtub is poor.

[0013] Referring to Figures 1-7 The support and apron frame integrated bathtub comprises a bathtub body 1. Four pipe columns 4, the four pipe columns 4 are symmetrical to each other, the pipe columns 4 are all located outside the bathtub body 1, and the outside of the pipe columns 4 are all connected with two symmetrical connecting rods one 5 and connecting rods two 6 through bolts, the connecting rods one 5 and the connecting rods two 6 are all connected with the outside of the adjacent pipe columns 4 through bolts. An apron one 2, the apron one 2 is located outside the bathtub body 1, and the upper side of the apron one 2 is attached to the outside of the bathtub body 1. An apron two 3, the apron two 3 is located outside the bathtub body 1, the upper side of the apron two 3 is attached to the outside of the bathtub body 1, and the apron two 3 is attached to the opposite side, and the apron one 2 and the apron two 3 are both located outside the pipe columns 4. Four leveling and stabilizing modules 7, the four leveling and stabilizing modules 7 are respectively connected with the bottom of the four pipe columns 4, and the leveling and stabilizing modules 7 are used to lock the posture of the bathtub body 1 after the bathtub body 1 is leveled.

[0014] The device can effectively lock the leveling posture of the bathtub body 1 after the leveling of the bathtub body 1 is completed by using the leveling and stabilizing modules 7, so that the deformation of the leveling posture of the bathtub body 1 caused by the bearing during the use of the bathtub body 1 or even the instability of the bathtub body 1 does not occur, and the stability and the use function of the bathtub body 1 are greatly improved.

[0015] Referring to Figure 3 , Figure 4 and Figure 5In a preferred embodiment, the leveling stabilizing module 7 comprises a ball seat 701, the bottom of each of the four pipe columns 4 is connected with the ball seat 701 through bolts, the inner wall of each of the ball seats 701 is provided with a ball head 702, the outer part of each of the ball heads 702 is connected with a support rod 703 through bolts, and the bottom of each of the support rods 703 is rotatably connected with a threaded rod 704 through a bearing, the outer part of each of the threaded rods 704 is rotatably connected with a stabilizing seat 705 through external threads, the bottom of each of the four stabilizing seats 705 is connected with a rubber pad 706 through bolts, the outer part of each of the threaded rods 704 is provided with a rotating seat 707, the outer part of each of the rotating seats 707 is connected with a knob 715 through bolts, and four circumferentially equidistantly distributed curved grooves 717 are formed in the outer part of each of the rotating seats 707; each of the four rotating seats 707 is rotatably connected with the side opposite to the stabilizing seat 705 on the same side, the outer part of each of the rotating seats 707 is slidably connected with a sleeve 708, four circumferentially equidistantly distributed round holes are formed in the sleeve 708, a ball 709 is slidably connected in each of the round holes, the outer part of each of the balls 709 is in contact with the inner wall of the curved groove 717 on the same side, and the inner wall of each of the sleeves 708 is connected with the outer part of the stabilizing seat 705 on the same side through bolts; the outer part of each of the four sleeves 708 is slidably connected with an adjusting ring 710, the inner wall of each of the adjusting rings 710 is provided with an annular groove one 711, the outer part of each of the sleeves 708 is connected with a fixing ring 716 through bolts, the side of each of the fixing rings 716 close to the stabilizing seat 705 is connected with a spring 712 through bolts, and the end of each of the springs 712 away from the fixing ring 716 is connected with the inner wall of the annular groove one 711 on the same side through bolts; the inner wall of each of the four adjusting rings 710 is provided with an annular groove two 713, the inner wall of each of the annular groove twos 713 is in contact with the outer part of the ball 709 on the same side, and the inner wall of the side of each of the annular groove twos 713 close to the stabilizing seat 705 is provided with a tapered groove 714, and each of the pipe columns 4 is provided with a hidden fixing module 8.

[0016] Specifically, after the bathtub body 1 is placed on the support composed of the pipe columns 4, the connecting rod one 5 and the connecting rod two 6, the adjusting ring 710 is pushed upward against the elastic force of the spring 712, the annular groove two 713 used for pressing the ball 709 moves upward, so that the ball 709 moves to the tapered groove 714, the ball 709 is unlocked from the curved groove 717, the knob 715 is rotated, the rotating seat 707 is driven to rotate by the knob 715, the threaded rod 704 is driven to ascend or descend on the stabilizing seat 705 by the rotating seat 707, so that the ball head 702 slides in the ball seat 701 and drives the pipe column 4 to slightly ascend or descend, after the height adjustment of the four pipe columns 4 is completed and the bathtub body 1 is leveled, the adjusting ring 710 is released, the annular groove two 713 descends back to the original position, the ball 709 is pressed back into the curved groove 717, the rotating seat 707 is locked, and the threaded rod 704 is no longer rotated.

[0017] In a specific application scenario, the leveling stabilizing module 7 is mainly suitable for the leveling and stabilizing link in the leveling and stabilizing process, that is, the leveling stabilizing module 7 can make the ball 709 quickly and conveniently complete the locking of the curved groove 717 by using the annular groove two 713 and the conical groove 714, so that the device can limit the rotating rotating seat 707 after leveling the bathtub body 1, and ensure that the adjusted posture is not affected. By rotating the ball head 702 in the ball seat 701 during the leveling and adjusting process, the influence of the stress system of the threaded rod 704 lifting on the pipe column 4 is greatly reduced, and the deformation risk of the support system formed by the pipe column 4, the connecting rod one 5 and the connecting rod two 6 is reduced.

[0018] Referring to Figure 6 and Figure 7 In a preferred embodiment, the hidden fixing module 8 comprises a sleeve 801, four pipe columns 4 are each provided with a circular groove, and the circular groove is connected with the sleeve 801 through a bolt. The outside of the sleeve 801 is slidingly connected with an insertion pipe 802, the outside of the insertion pipe 802 is slidingly connected with the inner wall of the same side circular groove, and the same side of the insertion pipe 802 is connected with the opposite side of the apron one 2 or the apron two 3 through a bolt. The side close to the sleeve 801 of the insertion pipe 802 is connected with a plurality of circumferentially equidistantly distributed connecting rods 803 through a bolt, the side away from the insertion pipe 802 of the connecting rod 803 is connected with the same abutting ring 804 through a bolt, the inner wall of the abutting ring 804 is slidingly connected with the outside of the sleeve 801, and the opposite side of the abutting ring 804 is abutted with the sleeve 801. The sleeve 801 is slidingly connected with a sliding rod 806, and the side away from the sleeve 801 of the sliding rod 806 is rotatably connected with a short rod 807 through a bearing. The four sleeves 801 are each provided with an L-shaped groove 810, and the L-shaped groove 810 is connected with a limiting block 809. The opposite side of the limiting block 809 and the same side of the short rod 807 is connected through a bolt, the side away from the sliding rod 806 of the short rod 807 is connected with a pull ring 808 through a bolt, and the sleeve 801 is provided with four circumferentially equidistantly distributed narrow grooves 805. A plurality of narrow grooves 805 are slidingly connected with a locking plate 811, the inner wall of the narrow groove 805 is connected with a round rod through a bolt, the outside of the round rod is rotatably connected with one end of the locking plate 811 through a bearing, a torsion spring 812 is arranged between the locking plate 811 and the round rod, and the end away from the torsion spring 812 of the locking plate 811 is connected with a push-pull plate 813 through a bolt. The end away from the locking plate 811 of the push-pull plate 813 is rotatably connected with the outside of the same side sliding rod 806 through a bearing, and the outside of the locking plate 811 is abutted with the outside of the same side abutting ring 804.

[0019] Specifically, when installing the skirt plate one 2 and the skirt plate two 3 on the pipe column 4, the insertion pipe 802 connected with the skirt plate one 2 is inserted into the round groove along the outside of the sleeve 801, the pull ring 808 is grabbed and pulled, the short rod 807 drives the sliding rod 806 to slide in the sleeve 801, the push-pull plate 813 drives the locking plate 811 to fold against the torsion of the torsion spring 812, the locking plate 811 tightly presses the fit ring 804 connected with the insertion pipe 802 on the sleeve 801, the skirt plate one 2 can no longer move, in the process of the sliding rod 806 sliding backward, the limiting block 809 connected with the short rod 807 slides in the L-shaped groove 810, after the locking plate 811 is perpendicular to the sleeve 801 and the fit ring 804 is locked, the pull ring 808 is turned lightly, the pull ring 808 drives the limiting block 809 on the short rod 807 to slide into the short side of the L-shaped groove 810, thereby completing the locking.

[0020] In a specific application scenario, the hidden fixing module 8 is mainly suitable for the hidden fixing link in the hidden fixing process, that is, the hidden fixing module 8 can effectively quickly fix the insertion pipe 802 hidden behind the skirt plate one 2 or the skirt plate two 3 by using the locking plate 811, the torsion spring 812 and the push-pull plate 813, so that the skirt plate one 2 and the skirt plate two 3 can be tightly attached to each other outside the pipe column 4, greatly reducing the hole positions and the joints on the skirt plate one 2 and the skirt plate two 3, making the skirt plate one 2 and the skirt plate two 3 form an integral whole on the pipe column 4, and improving the appearance of the bathtub body 1 after installation.

[0021] Working principle: after placing the bathtub body 1 on the support composed of the pipe column 4, the connecting rod one 5 and the connecting rod two 6, overcoming the elastic force of the spring 712, gently push the adjusting ring 710 upwards, the annular groove two 713 used for pressing the ball 709 moves upwards, so that the ball 709 moves to the conical groove 714, the ball 709 is unlocked from the curved groove 717, the knob 715 is rotated, the rotating seat 707 is driven to rotate, the threaded rod 704 is driven to rise or fall on the stabilizing seat 705, so that the ball head 702 slides in the ball seat 701 and drives the pipe column 4 to slightly rise or fall, after adjusting the height of the four pipe columns 4 and leveling the bathtub body 1, release the adjusting ring 710, the annular groove two 713 descends to the original position, the ball 709 is pressed back into the curved groove 717, the rotating seat 707 is locked, the threaded rod 704 no longer rotates, when installing the apron one 2 and the apron two 3 on the pipe column 4, the insertion pipe 802 connected with the apron one 2 is inserted into the circular groove along the outside of the sleeve 801, the pull ring 808 is grabbed and pulled, the short rod 807 drives the sliding rod 806 to slide in the sleeve 801, so that the push-pull plate 813 drives the locking plate 811 to fold against the torsional force of the torsional spring 812, so that the locking plate 811 tightly presses the fit ring 804 connected with the insertion pipe 802 on the sleeve 801, so that the apron one 2 no longer moves, in the process of sliding the sliding rod 806 backward, the limiting block 809 connected with the short rod 807 slides in the L-shaped groove 810, after the locking plate 811 is perpendicular to the sleeve 801 and locks the fit ring 804, turn the pull ring 808 lightly, the limiting block 809 on the short rod 807 slides into the short side of the L-shaped groove 810, so as to complete the locking.

[0022] The above is only the preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A bath in which the frame and the apron are integrated, characterized in that, Including bathtub body (1); Four pipe columns (4), four pipe columns (4) are symmetrical with each other, pipe column (4) is located at the outside of bathtub body (1), and the outside of pipe column (4) is fixedly connected with two symmetrical connecting rod one (5) and connecting rod two (6), connecting rod one (5) and connecting rod two (6) are fixedly connected with the outside of adjacent pipe column (4); Skirt one (2), skirt one (2) is located at the outside of bathtub body (1), and the upper side of skirt one (2) is attached with the outside of bathtub body (1); Skirt two (3), skirt two (3) is located at the outside of bathtub body (1), the upper side of skirt two (3) is attached with the outside of bathtub body (1), and skirt two (3) is attached with the opposite side, and skirt one (2) and skirt two (3) are located at the outside of pipe column (4); Four leveling stable modules (7), four leveling stable modules (7) are respectively connected with the bottom of four pipe columns (4), and the leveling stable module (7) is used for locking the posture of bathtub body (1) after leveling bathtub body (1).

2. The combination of a bath and a skirt according to claim 1, wherein The leveling stable module (7) includes a ball seat (701), four pipe columns (4) are fixedly connected with the ball seat (701), the inner wall of the ball seat (701) is provided with a ball head (702), the outside of the ball head (702) is fixedly connected with a support rod (703), and the bottom of the support rod (703) is movably connected with a threaded rod (704), and the outside of the threaded rod (704) is rotatably connected with a stable seat (705) through external threads.

3. The combination of a bath and a skirt panel according to claim 2, wherein, The bottom of the stable seat (705) is fixedly connected with a rubber pad (706), the outside of the threaded rod (704) is provided with a rotating seat (707), the outside of the rotating seat (707) is fixedly connected with a knob (715), and four circumferentially equidistant curved grooves (717) are formed in the outside of the rotating seat (707).

4. The combination of a support and apron frame according to claim 3, wherein, The opposite side of the stable seat (705) on the same side of the rotating seat (707) is movably connected, the outside of the rotating seat (707) is movably connected with a sleeve (708), four circumferentially equidistant circular holes are formed in the sleeve (708), a ball (709) is movably connected in the circular hole, the outside of the ball (709) is attached with the inner wall of the curved groove (717) on the same side, and the inner wall of the sleeve (708) is fixedly connected with the outside of the stable seat (705) on the same side.

5. The combination of a support and apron frame for a bath according to claim 4, wherein, The outside of the sleeve (708) is movably connected with an adjusting ring (710), the inner wall of the adjusting ring (710) is provided with an annular groove one (711), the outside of the sleeve (708) is fixedly connected with a fixed ring (716), one side of the fixed ring (716) close to the stable seat (705) is fixedly connected with a spring (712), and the other end of the spring (712) away from the fixed ring (716) is fixedly connected with the inner wall of the annular groove one (711) on the same side.

6. The combination of a support and apron frame for a bath according to claim 5, wherein, The inner wall of each of the four adjusting rings (710) is provided with an annular groove two (713), the inner wall of the annular groove two (713) is in contact with the outer part of the ball (709) on the same side, and the inner wall of the side close to the stabilizing seat (705) of the annular groove two (713) is provided with a tapered groove (714), and the pipe column (4) is provided with a hidden fixing module (8).

7. The combination of a support and apron frame for a bath according to claim 6 wherein, The hidden fixing module (8) comprises a sleeve (801), four pipe columns (4) are provided with a circular groove, the circular groove is fixedly connected with the sleeve (801), the outer part of the sleeve (801) is slidably connected with an insertion pipe (802), the outer part of the insertion pipe (802) is in sliding contact with the inner wall of the circular groove on the same side, and the side opposite to the skirt plate one (2) or the skirt plate two (3) of the insertion pipe (802) is fixedly connected.

8. The spa of claim 7 wherein the support and apron framework are integrated. The side close to the sleeve (801) of the insertion pipe (802) is fixedly connected with a plurality of circumferentially equidistantly distributed connecting rods (803), the side away from the insertion pipe (802) of the connecting rod (803) is fixedly connected with the same abutting ring (804), the inner wall of the abutting ring (804) is slidably connected with the outer part of the sleeve (801), and the side opposite to the sleeve (801) of the abutting ring (804) is abutted, the sleeve (801) is slidably connected with a sliding rod (806), and the side away from the sleeve (801) of the sliding rod (806) is movably connected with a short rod (807).

9. The spa of claim 8, wherein the support and apron framework are integrated. The four sleeves (801) are provided with an L-shaped groove (810), the L-shaped groove (810) is clamped with a limiting block (809), the side opposite to the short rod (807) of the limiting block (809) is fixedly connected, the side away from the sliding rod (806) of the short rod (807) is fixedly connected with a pull ring (808), and the sleeve (801) is provided with four circumferentially equidistantly distributed narrow grooves (805).

10. The combination of a support and apron frame for a bath according to claim 9, wherein, A plurality of the narrow grooves (805) are slidably connected with a locking plate (811), the inner wall of the narrow groove (805) is fixedly connected with a circular rod, the outer part of the circular rod is movably connected with one end of the locking plate (811), a torsional spring (812) is arranged between the locking plate (811) and the circular rod, one end of the locking plate (811) away from the torsional spring (812) is fixedly connected with a push-pull plate (813), one end of the push-pull plate (813) away from the locking plate (811) is movably connected with the outer part of the sliding rod (806) on the same side, and the outer part of the locking plate (811) is abutted with the outer part of the abutting ring (804) on the same side.

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